Patents by Inventor Wootung G. Chan

Wootung G. Chan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5137578
    Abstract: This invention provides smoking compositions which contain a novel flavorant-release additive.Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as 4'-formyl-2'-methoxyphenyl 4,6-O-cinnamylidene-.beta.-D-glucopyranoside pyrolyzes into cinnamaldehyde and vanillin flavorants as volatile components of the cigarette smoke.
    Type: Grant
    Filed: February 26, 1991
    Date of Patent: August 11, 1992
    Assignees: Philip Morris Incorporated, Philip Morris Products Inc.
    Inventor: Wootung G. Chan