W. Geoffrey Chan

Person

Henrico, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Incorporation of ammonia release compounds in smoking articles
- Patent number 10,051,883
- Issue date Aug 21, 2018
- Philip Morris USA Inc.
- Lixin Xue
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Smoking article including alkanoylated glycoside
- Patent number 9,034,106
- Issue date May 19, 2015
- Philip Morris USA Inc.
- W. Geoffrey Chan
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Method of making a cigarette and method of reducing cytotoxicity in...
- Patent number 8,555,897
- Issue date Oct 15, 2013
- Philip Morris USA Inc.
- Lixin Xue
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Smoking articles and method for treating tobacco material with a su...
- Patent number 8,176,923
- Issue date May 15, 2012
- Philip Morris USA Inc.
- Lixin Xue
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Incorporation of ammonia-release compounds in smoking articles
- Patent number 8,042,552
- Issue date Oct 25, 2011
- Philip Morris USA Inc.
- Lixin Xue
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Reduction of phenolic compound precursors in tobacco
- Patent number 7,581,543
- Issue date Sep 1, 2009
- Philip Morris USA Inc.
- Thomas E. McGrath
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Cigarette paper having heat-degradable filler particles, and cigare...
- Patent number 6,817,365
- Issue date Nov 16, 2004
- Philip Morris USA Inc.
- Mohammad Hajaligol
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Cigarette smoking products containing a vanillin-release additive
- Patent number 5,538,018
- Issue date Jul 23, 1996
- Philip Morris Incorporated
- W. Geoffrey Chan
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Smoking compositions containing an .alpha.-alkylcinnamaldehyde-rele...
- Patent number 5,301,693
- Issue date Apr 12, 1994
- Philip Morris Incorporated
- W. Geoffrey Chan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Smoking compositions containing an oxalate flavorant-release additive
- Patent number 5,256,785
- Issue date Oct 26, 1993
- Philip Morris Incorporated
- W. Geoffrey Chan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oxalate esters
- Patent number 5,241,105
- Issue date Aug 31, 1993
- Philip Morris Incorporated
- W. Geoffrey Chan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Smoking compositions containing a vanillin-release additive
- Patent number 5,228,461
- Issue date Jul 20, 1993
- Philip Morris Incorporated
- W. Geoffrey Chan
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Smoking compositions containing a pyrazine-ethanol flavorant-releas...
- Patent number 5,218,118
- Issue date Jun 8, 1993
- Philip Morris Incorporated
- W. Geoffrey Chan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Smoking compositions containing a pyrazineethanol flavorant-release...
- Patent number 5,174,308
- Issue date Dec 29, 1992
- Philip Morris Incorporated
- W. Geoffrey Chan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Smoking compositions containing an oxalate flavorant-release additive
- Patent number 5,172,706
- Issue date Dec 22, 1992
- Philip Morris Incorporated
- W. Geoffrey Chan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Smoking compositions containing a vanillin-release additive
- Patent number 5,172,704
- Issue date Dec 22, 1992
- Philip Morris Incorporated
- W. Geoffrey Chan
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Smoking compositions containing a menthol-release additive
- Patent number 5,139,034
- Issue date Aug 18, 1992
- Philip Morris Incorporated
- W. Geoffrey Chan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Beta-hydroxyesters for use as vanillin-release additives in smoking...
- Patent number 5,129,954
- Issue date Jul 14, 1992
- Philip Morris Incorporated
- W. Geoffrey Chan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
.beta.-hydroxy-.gamma.-ketoester flavorant-release additives
- Patent number 4,701,282
- Issue date Oct 20, 1987
- Philip Morris Incorporated
- W. Geoffrey Chan
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Grant
Smoking compositions containing a .beta.-hydroxy-.gamma.-ketoester...
- Patent number 4,538,627
- Issue date Sep 3, 1985
- Philip Morris Incorporated
- W. Geoffrey Chan
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

Patents Applicationslast 30 patents

Information Patent Application
SMOKING ARTICLE INCLUDING ALKANOYLATED GLYCOSIDE AND METHOD OF MAKING
- Publication number 20190116867
- Publication date Apr 25, 2019
- Philip Morris USA Inc.
- W. Geoffrey Chan
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
INCORPORATION OF AMMONIA RELEASE COMPOUNDS IN SMOKING ARTICLES
- Publication number 20140041674
- Publication date Feb 13, 2014
- Philip Morris USA Inc.
- Lixin Xue
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
INCORPORATION OF AMMONIA RELEASE COMPOUNDS IN SMOKING ARTICLES
- Publication number 20120006340
- Publication date Jan 12, 2012
- Philip Morris USA Inc.
- Lixin Xue
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
SMOKING ARTICLE INCLUDING ALKANOYLATED GLYCOSIDE AND METHOD OF MAKING
- Publication number 20110232655
- Publication date Sep 29, 2011
- Philip Morris USA Inc.
- W. Geoffrey Chan
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
METHODS FOR REMOVING HEAVY METALS FROM AQUEOUS EXTRACTS OF TOBACCO
- Publication number 20110083684
- Publication date Apr 14, 2011
- Philip Morris USA Inc.
- Zhaohua Luan
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
Smoking articles and method for treating tobacco material with a su...
- Publication number 20090000632
- Publication date Jan 1, 2009
- Philip Morris USA Inc.
- Lixin Xue
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
Smoking articles and method for incorporating salts of lanthanide m...
- Publication number 20090000631
- Publication date Jan 1, 2009
- Philip Morris USA Inc.
- Lixin Xue
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
Incorporation of ammonia-release compounds in smoking articles
- Publication number 20070137666
- Publication date Jun 21, 2007
- Philip Morris USA Inc.
- Lixin Xue
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
Process of reducing generation of benzo[a]pyrene during smoking
- Publication number 20060162733
- Publication date Jul 27, 2006
- PHILIP MORRIS USA INC.
- Thomas E. McGrath
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
Reduction of phenolic compound precursors in tobacco
- Publication number 20050279374
- Publication date Dec 22, 2005
- PHILIP MORRIS USA INC.
- Thomas E. McGrath
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
Information Patent Application
Cigarette paper having heat-degradable filler particles, and cigare...
- Publication number 20030089377
- Publication date May 15, 2003
- Mohammad Hajaligol
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES

W. Geoffrey Chan

Person

Patents Grantslast 30 patents

Incorporation of ammonia release compounds in smoking articles

Smoking article including alkanoylated glycoside

Method of making a cigarette and method of reducing cytotoxicity in...

Smoking articles and method for treating tobacco material with a su...

Incorporation of ammonia-release compounds in smoking articles

Reduction of phenolic compound precursors in tobacco

Cigarette paper having heat-degradable filler particles, and cigare...

Cigarette smoking products containing a vanillin-release additive

Smoking compositions containing an .alpha.-alkylcinnamaldehyde-rele...

Smoking compositions containing an oxalate flavorant-release additive

Oxalate esters

Smoking compositions containing a vanillin-release additive

Smoking compositions containing a pyrazine-ethanol flavorant-releas...

Smoking compositions containing a pyrazineethanol flavorant-release...

Smoking compositions containing an oxalate flavorant-release additive

Smoking compositions containing a vanillin-release additive

Smoking compositions containing a menthol-release additive

Beta-hydroxyesters for use as vanillin-release additives in smoking...

.beta.-hydroxy-.gamma.-ketoester flavorant-release additives

Smoking compositions containing a .beta.-hydroxy-.gamma.-ketoester...

Patents Applicationslast 30 patents

SMOKING ARTICLE INCLUDING ALKANOYLATED GLYCOSIDE AND METHOD OF MAKING

INCORPORATION OF AMMONIA RELEASE COMPOUNDS IN SMOKING ARTICLES

INCORPORATION OF AMMONIA RELEASE COMPOUNDS IN SMOKING ARTICLES

SMOKING ARTICLE INCLUDING ALKANOYLATED GLYCOSIDE AND METHOD OF MAKING

METHODS FOR REMOVING HEAVY METALS FROM AQUEOUS EXTRACTS OF TOBACCO

Smoking articles and method for treating tobacco material with a su...

Smoking articles and method for incorporating salts of lanthanide m...

Incorporation of ammonia-release compounds in smoking articles

Process of reducing generation of benzo[a]pyrene during smoking

Reduction of phenolic compound precursors in tobacco

Cigarette paper having heat-degradable filler particles, and cigare...