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Search The U. S. Patent Database

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BASF Patents -1976-2005

H&R (Symrise) Patents - 1976-2004

Quest Patents -1976-2005

Dragoco (Symrise) Patents - 1976-2005

Henkel Fragrance Patents - 1976-2005

Symrise Patents - 2004-2005

Firmenich Patents - 1996-2005

IFF Patents - 1996-2005

Takasago Patents - 1996-2005

Firmenich Patents - 1991-1995

IFF Patents - 1991-1995

Takasago Patents - 1991-1995

Firmenich Patents - 1986-1990

IFF Patents - 1986-1990

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IFF Patents - 1981-1985

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FD&O, Taste-Maker (Givaudan)

Nestle Patents - 1976-2005

International Flavors & Fragrances - US Patents, 1986-1990

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Pat. No.

Title

4978541

Oil-impervious, water retaining, silicon oxide derivative-containing food articles

4970163

Process for producing diol and lactone and microorganisms capable of same

4970068

Use of d-carvone as mosquito attractant

4966783

Use of sclareolide in augmenting or enhancing the organoleptic properties of foodstuffs

D311,653

Liquid soap dispensing container

4963285

2,4,4-irisubstituted tetrahydro pyranyl esters and organoleptic uses thereof

4962090

2,4-disubstituted and 2,2,4-trisubstituted tetrahydropyranyl-4-ethers, process for preparing same and perfumery uses thereof

4962089

Cyano-substituted sulfur-containing compounds, and compositions containing same and organoleptic uses thereof

4960754

3,7-dimethyl-6,7-dioxo-1,3-octadiene derivatives and organoleptic uses thereof

4960603

Use of sclareolide in augmenting or enhancing the organoleptic properties of foodstuffs

4960597

Flavoring with mixtures of lactones

4959209

Use of N,N-diethyl-m-toluamide and/or the ethyl ester of 2-methyl-3-pentenoic acid as insect attractants

4956481

Adamantane derivatives, compositions of matter containing same, processes for preparing said adamantane derivatives and said compositions, and organoleptic and deodorancy uses of said adamantane derivatives and said compositions

4950495

Tetrahydro-5-isopropyl-2-methyl-2-thiophene acetonitrile, organoleptic uses thereof and process for preparing same

4948608

Process for preparing oil-impervious, water retaining silicon oxide derivative-containing food products

4948597

Uses for augmenting or enhancing the aroma or taste of foodstuffs and chewing gums of schiff base reaction products of alkyl anthranilates

4946782

Process for preparing compositions containing unsaturated lactones, products produced thereby and organoleptic uses of said products

4943697

Microwave apparatus for baking and browning foodstuff

4942047

Process for preparing marinaded proteinaceous product and product produced thereby

4940592

Process for microwave chocolate flavor formation in and/or on foodstuffs and products produced thereby

4934609

Fragrance-containing polymeric particles suspended in antiperspirant and/or deodorant vehicle

4933488

Triisobutylene alcohols and esters, uses thereof in perfumery and halogenated intermediates useful for preparing same

4933321

Triisobutylene alcohols and esters, uses thereof in perfumery and halogenated intermediates useful for preparing same

4933320

Isomer-directed process for producing asymmetric ketones using catalytic Claisen rearrangement of allylic ethers, intermediates, and uses of products and intermediates of process in perfumery

4933319

Substituted tetrahydroindane derivatives and organoleptic uses of substituted tetrahydroindanes

4924026

Triisobutylene alcohols and esters, uses thereof in perfumery and halogenated intermediates useful for preparing same

4917913

Use of sclareolide in augmenting or enhancing the organoleptic properties of foodstuffs

4917301

Container with microporous membrane for dispensing vapor from volatile liquid

4915866

Schiff base reaction products of mixtures of aldehydes including helional and alkyl anthranilates; derivatives thereof; and organoleptic uses thereof

4915301

Container with sorbent member and microporous membrane for dispensing vapor from volatile liquid

4914083

Oxy-substituted-2-phenyl pyran derivatives and process for preparing same and perfumery uses thereof

4914082

S(4-hydroxy-1-isopropyl-4-methylhexyl) thioacetate, organoleptic uses thereof and process for preparing same

4913918

Oil-impregnated and water-retaining coated food articles

4911906

Use of dibutyl succinate as an insect attractants

4909854

Process for augmenting or enhancing the aroma or taste of smoking tobacco or smoking tobacco articles using tricyclic alcohols, ethers and/or esters and smoking tobacco compositions and articles so modified

4906610

Tetrahydro-5-isopropyl-2-methyl-2-thiophene acetonitrile, organoleptic uses thereof and process for preparing same

4904490

Process for microwave browning and product produced thereby

4902840

Substituted tetrahydroindane derivatives and organoleptic uses of substituted tetrahydroindanes

4902672

Polyalkyl indanyl n-propyl and allyl ethers and perfumery uses thereof

4902504

Use of dibutyl succinate, dimethyl disulfide and mixtures of same as mosquito attractants

4900718

3-(2-bornyloxy)-2-methyl-1-propanol and perfumery uses thereof

4886897

S(4-hydroxy-1-isopropyl-4-methylhexyl) thioacetate

4886662

Use of alpha-terpineol as insect attractant

4883884

Tetrahydro-5-isopropyl-2-methyl-2-thiophene acetonitrile, organoleptic uses thereof and process for preparing same

4883680

Process for preparing dry acetaldehyde and product produced thereby

4882184

Process for microwave browning and product produced thereby

4880640

Flavoring with schiff base reaction products of alkyl anthranilates

4880625

Use of N,N-diethyl-m-toluamide and/or the ethyl ester of 2-methyl-3-pentenoic acid as insect attractants

4879271

Schiff base reaction products of alkyl anthranilates and organoleptic uses thereof and deodorancy uses thereof

4877769

6,7-(epithio)-3,7-dimethyl-1,3-octadiene and use thereof in augmenting or enhancing aroma of perfume compositions, colognes and perfurmed articles

Pat. No.

Title

4877629

Process for preparing a coated food product

4877628

Process for preparing a coated food product

4876087

Use of N,N-diethyl-m-toluamide and/or the ethyl ester of 2-methyl-3-pentenoic acid as mosquito attractants

4865853

Flavoring with schiff base reaction products of aldehydes and alkyl anthranilates

4863631

Dimethyl substituted alkyl nitriles, perfume and bleach compositions containing same organoleptic uses thereof and process intermediates for producing same

4859463

Use of methyl-isoeugenol, n-dodecanol and mixtures of same as insect attractants

4853413

Repelling animals with compositions comprising citronellyl nitrile, citronellol and, optionally methyl terpenyl ether, lemon oil, caryophyllene, isopulegol, isopulegyl acetate and quinine or one or more of its salts

4853369

Schiff base reaction product of ethyl vanillin and methyl anthranilate and organoleptic uses thereof

4847292

Repelling animals with compositions comprising citronellyl nitrile, citronellol, alpha-terpinyl methyl ether and lemon oil

4842761

Compositions and methods for controlled release of fragrance-bearing substances

4840801

Use of Schiff base reaction product of methyl anthranilate and canthoxal in augmenting or enhancing aroma or taste of foodstuff or chewing gum

4839083

Schiff base reaction products of mixtures of aldehydes including helional and alkyl anthranilates; derivatives thereof; and organoleptic uses thereof

4824828

Schiff base reaction products of aldehydes and alkyl anthranilates and organoleptic uses thereof

4822515

Ethyl norbornyl alkyl ethers, organoleptic uses thereof and process for preparing same

4818526

Use of dibutyl succinate, dimethyl disulfide and mixtures of same as mosquito attractants

4816248

Use of N,N-diethyl-m-toluamide and/or the ethyl ester of 2-methyl-3-pentenoic acid as mosquito attractants

4808403

Use of N,N-diethyl-m-toluamide and/or the ethyl ester of 2-methyl-3-pentenoic acid as insect attractants

4806522

2-alkanoyl-2-(1-penten-1-yl)cyclohexanones, process for preparing same, and organoleptic uses thereof and intermediates useful in said process

4806363

Flavoring with schif base reaction products of alkyl anthranilates

4801448

Use of dibutyl succinate, dimethyl disulfide and mixtures of same as insect attractants

4801446

Use of methyl-isoeugenol, n-dodecanol, 1-(2-butenoyl)-2,6,6-trimethyl-1,3-cyclohexadiene and mixtures of same as insect attractants

4795836

2-alkanoyl-2-(1-penten-1-yl)cyclohexanones, process for preparing same, and organoleptic uses thereof and intermediates useful in said process

4794193

Process for preparing 4,4A,5,6-tetrahydro-7-methyl-2-(3H)-naphthalenone, intermediates used in said process and novel crystalline form of same

4791222

Process for preparing dihydromyrcenol and dihydromyrcenyl acetate

4788337

2-alkanoyl-2-(1-penten-1-yl)cyclohexanones, process for preparing same, and organoleptic uses thereof and intermediates useful in said process

4782192

Tricyclic alcohols, ethers and esters, process for preparing same and use thereof in augmenting or enhancing the organoleptic properties of consumable materials

4780564

Allyl 4-cyclooctenyl glycolate, organoleptic uses thereof, process for preparing same and intermediates useful in said process

4775720

Schiff base reaction products of aldehydes and alkyl anthranilates and organoleptic uses thereof

4772583

Beta-alkylidene phenethyl alcohol esters and ethers, organoleptic uses thereof and processes for preparing same

4772411

Ethyl norbornyl alkyl ethers, organoleptic uses thereof and process for preparing same

4764367

Use of C.sub.8 -t-alkanols and C.sub.5 -C.sub.11 -omega-alken-1-ols in attracting insects

4759228

Process for determination of repellency and attractancy

RE32,721

Bridged ketones and process for preparing same

4756840

Beta-alkylidene phenethyl alcohols, organoleptic uses thereof and processes for preparing same

4755502

Allyl-4-cyclooctenyl glycolate, organoleptic uses thereof, process for preparing same and intermediates useful in said process

4751933

Use of hydroxybornyloxybutanes in augmenting or enhancing the aroma or taste of smoking tobacco articles and smoking tobacco compositions

4749681

Polyalkyl-substituted oxocycloheptane derivatives, organoleptic uses thereof and processes for preparing same

4748860

Apparatus for determination of insect repellency and attractancy

4742044

Aralkoxy, alkoxy, alkadienyloxy and alkenyloxy-1,3,2-dioxaborinane derivatives and uses thereof in augmenting or enhancing the aroma of perfume compositions, perfumed articles and perfumed polymers

4739105

Esters of alkylthioalkanoic acids and uses thereof in augmenting or enhancing the aroma or taste of foodstuffs

4735932

Allyl ester of 2-cyclopentyloxyacetic acid compositions

4735803

Repelling animals with compositions comprising lemon oil and alpha-terpinyl methyl ether

4731243

Antiperspirant and/or deodorant stick having suspended therein fragrance-containing polymeric particles

4727197

Process for preparing natural benzaldehyde and acetaldehyde natural benzaldehyde and acetaldehyde compositions, products produced thereby and organoleptic utilities therefor

4727058

Process for preparing natural benzaldehyde and acetaldehyde, natural benzaldehyde and acetaldehyde compositions, products produced thereby and organoleptic utilities therefor

4726384

Process for preparing natural benzaldehyde and acetaldehyde, natural benzaldehyde and acetaldehyde compositions, products produced thereby and organcleptic utilities therefor

4720481

Cyclohexenyl pyridine derivatives, organoleptic uses of same and processes for preparing same

4716249

Process for preparing natural benzaldehyde and acetaldehyde

4715981

Process for augmenting or enhancing the aroma of detergents using mixtures of hydroxybornyloxybutanes

4709707

Use of 4,4A,5,6-tetrahydro-7-methyl-2-(3H) naphthalenone in augmenting or enhancing the aroma or taste of smoking tobacco and smoking tobacco articles

Pat. No.

Title

4701548

Thioalkanoic acid esters of phenylalkanols

RE32,513

Method for dispensing at a visibly detectable rate, continuously or discontinuously, for discrete periods of time at a steady rate, a volatile composition of matter from a container into the atmosphere as well as the container used in the method

4696676

Use of 1-nonen-3-ol for repelling insects

4695473

Flavoring with gem dithioethers of phenylalkanes

4694106

Methylthioionene derivatives and use thereof in augmenting or enhancing the aroma or taste of foodstuffs

4693890

Use of 1-nonen-3-ol for repelling insects

4689428

Methylthioalkanoic acid esters of citronellol

4686310

2-isopropenyl-5-methylcyclopentanealkanols derivatives and organoleptic uses or same

4686307

Preparation of naturally-occurring C.sub.2 -C.sub.5 alkyl esters of C.sub.4 -C.sub.5 carboxylic acids by means of fermentation of C.sub.5 -C.sub.6 amino acids in the presence of C.sub.2 -C.sub.5 alcohols

4683342

Process for preparing natural benzaldehyde and acetaldehyde, natural benzaldehyde and acetaldehyde compositions, products produced thereby and organoleptic utilities therefor

4681976

Process for preparing alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones

4680142

Process for preparing 4,4A,5,6-tetrahydro-7-methyl-2-(3H)-naphthalenone, intermediates used in said process and novel crystalline form of same

4677223

Mercapto-C.sub.2 -C.sub.3 -alkanoic esters of citronellol, geraniol, homologues thereof and partially saturated derivatives thereof

4677207

Norbornyl pyridine derivatives

4673533

Oxobicyclononane derivatives, process for producing same and organoleptic uses thereof

4671959

Method of causing the reduction of physiological and/or subjective reactivity to stress in humans being subjected to stress conditions

4670463

Method of causing the reduction of physiological and/or subjective reactivity to stress in humans being subjected to stress conditions

4670264

Method of causing the reduction of physiological and/or subjective reactivity to stress in humans being subjected to stress conditions

4668817

Alkyl substituted para-carboalkoxy cyclohexanones

4668432

Alkyl-substituted-oxo-spirodecenene derivatives, organoleptic utility thereof and processes for preparing same

4668431

Hydroxybornyloxybutanes and organoleptic uses thereof

4666728

Flavoring with methylthioalkanoic acid esters of cis-3-hexenol and citronellol

4666630

Perfumery uses of norbornylbutadiene-acrolein adducts

4666629

Process for preparing mixture containing 2-campholenylidenbutanol, product produced thereby and perfumery uses thereof

4663476

Methylthioalkanoic acid ester of cis-3-hexenol

4658067

Dialkylthioalkenes, dialkylthioalkylcycloalkenes and monoalkylthioalkenylcycloalkenes and organoleptic uses thereof

4657862

Preparation of naturally-occurring C2-C5 alkyl esters of C4-C5 carboxylic acids by means of fermentation of C5-C6 amino acids in the presence of C2-C5 alcohols

4654218

Flavoring with methylthioalkanoic acid esters of citronellol

4652682

Ortho-dioxybenzaldehyde dimethyl mercaptals and use thereof in augmenting or enhancing the aroma or taste of foodstuffs

4652670

Cycloalkyl esters of mercaptoalkanoic acids

4652400

5-nitro-1,1,2,3,3-pentamethyl indane derivatives and perfumery uses thereof

4650898

Uses of methyl phenyl pentanol derivatives in augmenting or enhancing the aroma or taste of consumable materials

4650603

Single phase liquid mixture of tricyclic isochroman derivative mixture and acetyl tetrahydronaphthalene derivative mixture

4643903

Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof

4639330

Alkyl-substituted spirodecenone derivatives, organoleptic utility thereof and processes for preparing same

4636333

Alkoxy-substituted polyhydroindan carboxaldehydes

4634595

Thioalkanoic acid esters of phenylalkanols

4634547

Organoleptic uses of bicyclononenyl alcohols

4632831

Uses of methyl phenyl pentanol derivatives in augmenting or enhancing the aroma or taste of consumable materials

4631194

Esters of alkylthioalkanoic acids

4629805

Alkyl substituted and unsubstituted para-carboalkoxy cyclohexanones and organoleptic uses thereof

4629586

Hexynyl alkanoates and organoleptic uses thereof

4627935

2-isopropenyl-5-methylcyclopentanealkanols, esters thereof and organoleptic uses of same

4627934

Single phase clear liquid after-shave treatment product containing aloe vera

4627449

Process for augmenting or enhancing aroma or taste of smoking tobacco and smoking tobacco article using aldehyde composition

4626599

Dithioethers of 2-phenyl-2-alkenals and organoleptic uses thereof

4626440

Flavoring with dialkylthioalkenes, dialkylthioalkylcycloalkenes and monoalkenylcycloalkens

4623749

Synthesis of triconjugated dienones and novel intermediates used in said process

4623547

Flavoring with dialkylthioalkenes, dialkylthioalkylcycloalkenes and monoalkylthioalkenylcycloalkenes

4623538

Flavoring with dithioethers of 2-phenyl-2-alkenals

Pat. No.

Title

4622172

Alkyl-substituted spiroundecenone derivatives, organoleptic utility thereof and processes for preparing same

4622171

Polyhydroindan carboxaldehydes and uses thereof in augmenting or enhancing the aromas of perfume compositions, colognes and perfumed articles

4620945

Mixtures of one or more t-mercapto terpene isomers and .alpha.-terpineol, .beta.-phenylethyl alcohol, 3-methyl-1-phenyl-pentanol-5 and/or butanoyl cyclohexane derivatives, organoleptic uses thereof and process for preparing same

4620041

Ether carbinols

4620039

Norbornylbutadiene-acrolein adducts

4619781

Process for preparing mixture containing 2-campholenylidenbutanol, product produced thereby and perfumery uses thereof

4619780

Ether carbinols, process for preparing same, products produced according to said processes containing said ether carbinols, organoleptic uses thereof, ether carboxaldehydes and organoleptic uses thereof

4617419

Process for preparing natural benzaldehyde and acetaldehyde, natural benzaldehyde and acetaldehyde compositions, products produced thereby and organoleptic utilities therefor

4617145

1-methyl-2(2-methylbutyl) cyclohexanol derivatives and organoleptic uses thereof

4617144

Organoleptic uses of tertiary hydroxyl carboxaldehydes

4616095

Isomer-directed process for producing asymmetric ketones using catalytic claisen rearrangement of allylic ethers, intermediates, and uses of products and intermediates of process in perfumery

4615830

Isomer-directed process for producing asymmetric ketones using catalytic Claisen rearrangement of allylic ethers, intermediates, and uses of products and intermediates of process in perfumery

4614831

Process for preparing alkyl substituted para-carboalkoxy cyclohexanones

4614611

Organoleptic uses of para-methylacetophenone dimethylacetal

4614610

Branched chain saturated ketones and organoleptic uses thereof

4614299

Article which dispenses at a constant rate a volatile composition, and process for using same

4613706

Isomer-directed process for producing asymmetric ketones using catalytic Claisen rearrangement of allylic ethers, intermediates, and uses of products and intermediates of process in perfumery

4613511

Flavoring with dialkylthioalkenes, dialkylthioalkylcycloalkenes and monoalkylthioalkenylcycloalkenes

4613510

Flavoring with Mercapto-C.sub.2 -C.sub.3 -alkanoic esters

4610812

Uses of methyl phenyl pentanol derivatives in augmenting or enhancing the aroma or taste of consumable materials

4609754

Process for the production of isosolanone and solanone, intermediates useful in said process and organoleptic uses of said intermediates

4608196

Preparing tertiary hydroxyl carboxaldehyde containing perfume compositions

4608195

Preparing a tertiary hydroxyl carboxaldehyde containing perfume composition

4608194

Oxobicyclononane derivatives, process for producing same and organoleptic uses thereof

4608193

Isochroman derivatives and organoleptic uses thereof

4605793

Methyl substituted pinyl oxopentenes, organoleptic uses thereof and process for preparing same

4605165

Constant rate volatile composition dispensing article and process for using same

4604487

Process for preparing phenyl alkanol and perfumery uses of resulting product

4604232

Methyl-substituted cyclohexenyl acetaldehydes, organoleptic uses thereof, processes for producing same and intermediates useful therein

4601850

1-hydroxymethyl-2-isopropenyl-1,5-dimethylcyclopentane, n-propyl ester thereof and organoleptic uses thereof

4601835

Hydroxyalkoxy norbornyl ethers, process for preparing same and organoleptic uses thereof

4600576

Thiogeranyl esters and organoleptic uses thereof

4599468

Ether carboxaldehydes

4599237

Flavoring with methylthioionene derivatives

4596671

Use of 4(2'-butyl) phenyl acetate in augmenting or enhancing the leather aroma of perfume compositions, colognes, perfumed polymers and perfumed articles

4595525

Composition and process for augmenting, enhancing or imparting a leather aroma to consumable materials

4594464

Methyl phenethyl acetal of 2-butynal

4594254

Flavoring with methylthioalkanoic acid esters

4593143

Hydroxyalkoxy norbornyl ethers

4591451

Methyl substituted pinyl oxopentenes and organoleptic uses thereof

4590082

Flavoring with cycloalkyl esters of mercaptoalkanoic acids

4588521

Methyl phenethyl acetal of 2-butynal, process for preparing same and organoleptic uses thereof

4587981

Use of norbornyl pyridine derivatives in augmenting or enhancing the aroma of tobacco and in flavored tobacco composition

4585663

Flavoring with gem dithioethers of phenylalkanes

4585582

Perfumery uses of 2-n-pentyl-2-cyclohexen-1-one

4584409

Tertiary hydroxyl carboxaldehydes

4584128

Mixture of one or more t-mercapto terpene isomers and .alpha.-terpineol organoleptic uses thereof

4582634

Use in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles of 1-phenylpenten-4-one-1 and methyl homologues thereof

4582633

Hydrocarbyloxy alkanals, organoleptic uses thereof and process for preparing same

4581160

2-acetoxy-4-(2-bornyloxy) butane and organoleptic uses thereof

Pat. No.

Title

4576742

Perfume uses of reactive product containing mono-oxomethyl substituted polyhydrodimethanonaphthalene derivatives

4576741

Isomer-directed process for producing asymmetric ketones using catalytic Claisen rearrangement of allylic ethers, intermediates, and uses of products and intermediates of process in perfumery

4576740

Tertiary pentamethylindanol derivatives and organoleptic uses thereof

4576739

Organoleptic tertiary hydroxyl carboxaldehydes

4576186

Use of pentamethylindanol derivatives in augmenting or enhancing the aroma or taste of smoking tobacco compositions or smoking tobacco articles

4572796

1,1,4,7-Tetramethyl-3-indanone, product produced thereby and organoleptic uses thereof

4571344

Flavoring with dithioethers of 2-phenyl-2-alkenals

4571343

Flavoring with ortho-dioxybenzaldehyde dimethyl mercaptals

4570008

2-Alkylidenyl-3-oxabicyclo[3.1.0]hexanes

4569771

Use of mixture comprising acetric or propionic acid esters of ortho methyl phenyl isopropanol and specified perfume compounds in augmenting or enhancing the aroma of a detergent or fabric softening article

4568538

Flavoring with norbornyl pyridine derivatives

4568486

Augmenting or enhancing the leather aroma of perfume compositions, perfumed polymers, colognes and perfumed articles of the diethyl ester of 2-isopropyl-3-oxosuccinic acid

4568470

Use of macrocyclic lactone in augmenting or enhancing aroma or taste of consumable materials

4565707

Flavoring with dialkylthioalkenes, dialkylthioalkylcycloalkenes and monoalkylthioalkenylcycloalkenes

4719105

Method, compositions and compounds useful in room fresheners employing cyclohexyl alcohol and ester derivatives

4663081

Liquid perfume composition

4657701

Perfumery compositions, products and methods

4622221

Method, compositions and compounds, useful in room fresheners employing cyclohexyl alcohol and ester derivatives

4606849

Perfumery compositions


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Aldehydes - GRAS: Odor Properties and Molecular Visualization
Alkenols: Odor Properties and Molecular Visualization
Burnt Sugar Notes: Odor Properties and Molecular Visualization
delta-Lactones - GRAS: Odor Properties and Molecular Visualization
Esters - GRAS: Odor Properties and Molecular Visualization
gamma-Lactones - GRAS: Odor Properties and Molecular Visualization
Pyrazines - GRAS: Odor Properties and Molecular Visualization
Odor Thesholds of GRAS Flavor Chemicals
Olfaction - A Review

Carotenoids- Precursors of Important Fragrance & Flavor Constituents
Boronia - Aromas from Carotenoids
Saffron - Aromas from Carotenoids
Rose - Aromas from Carotenoids
Osmanthus - Aromas from Carotenoids
Tobacco - Aromas from Carotenoids
Lycopene - The Ultimate Phytochemical Nutraceutical?

Smoke Flavor I. -The Flavor of Hardwood Smoke
Smoke Flavor II. - Dark Fire-Cured Tobacco