Inventor

SHU CHI-KUEN

US16 patents

⚠️ This page may combine multiple inventors who share the name “SHU CHI-KUEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

INT FLAVORS & FRAGRANCES INC

10 patents

US4235938ANov 25, 1980

Flavoring with crystalline pure 2,4,6-tri-isobutyl dihydro-1,3,5-dithiazine

INT FLAVORS & FRAGRANCES INC6 citations74

US4234616ANov 18, 1980

Flavoring with mixtures of 2,5-dialkyl dihydrofuranones and 2,4,5-trialkyl dihydrofuranones

INT FLAVORS & FRAGRANCES INC11 citations74

US4228278AOct 14, 1980

Flavoring with mixture of 2,5-dimethyl-3-acetyl-furan and 3,5-di-(2-methylpropyl)-1,2,4-trithiolane

INT FLAVORS & FRAGRANCES INC4 citations63

US4259507AMar 31, 1981

3,5-Di-(2-methylpropyl)-1,2,4-trithiolane and uses thereof for augmenting or enhancing the flavor or aroma of a foodstuff

INT FLAVORS & FRAGRANCES INC5 citations63

US4200741AApr 29, 1980

Use of crystalline pure or substantially pure 2,4,6-tri-isobutyl-1,3,5-dithiazine and process for preparing same

INT FLAVORS & FRAGRANCES INC3 citations63

US4568486AFeb 4, 1986

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

INT FLAVORS & FRAGRANCES INC1 citations52

US4200742AApr 29, 1980

Crystalline pure 2,4,6-tri-isobutyl dihydro-1,3,5-dithiazine

INT FLAVORS & FRAGRANCES INC0 citations52

REYNOLDS TOBACCO CO R

5 patents

US5060669AOct 29, 1991

Tobacco treatment process

REYNOLDS TOBACCO CO R366 citations98

US5413122AMay 9, 1995

Method of providing flavorful and aromatic compounds

REYNOLDS TOBACCO CO R29 citations91

US5962662AOct 5, 1999

Method for producing a flavorful and aromatic composition for use in smoking articles

REYNOLDS TOBACCO CO R24 citations90

US6030462AFeb 29, 2000

Smoking article having increased amino acid content

REYNOLDS TOBACCO CO R19 citations89

US5370139ADec 6, 1994

Tobacco treatment process

REYNOLDS TOBACCO CO R29 citations88

(unassigned)

1 patent

US6695924B1Feb 24, 2004

Method of improving flavor in smoking article

40 citations89

SHU CHI-KUEN

INT FLAVORS & FRAGRANCES INC

Flavoring with crystalline pure 2,4,6-tri-isobutyl dihydro-1,3,5-dithiazine

Flavoring with mixtures of 2,5-dialkyl dihydrofuranones and 2,4,5-trialkyl dihydrofuranones

Preparation of 2,4,6-tri-isobutyl dihydro-1,3,5-dithiazine

Uses of terpene dimers in perfumery processes and products

Flavoring with 3,5-di-(2-methylpropyl)-1,2,4-trithiolane

Flavoring with mixture of 2,5-dimethyl-3-acetyl-furan and 3,5-di-(2-methylpropyl)-1,2,4-trithiolane

3,5-Di-(2-methylpropyl)-1,2,4-trithiolane and uses thereof for augmenting or enhancing the flavor or aroma of a foodstuff

Use of crystalline pure or substantially pure 2,4,6-tri-isobutyl-1,3,5-dithiazine and process for preparing same

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

Crystalline pure 2,4,6-tri-isobutyl dihydro-1,3,5-dithiazine

REYNOLDS TOBACCO CO R

Tobacco treatment process

Method of providing flavorful and aromatic compounds

Method for producing a flavorful and aromatic composition for use in smoking articles

Smoking article having increased amino acid content

Tobacco treatment process

(unassigned)

Method of improving flavor in smoking article