The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 14, 1992
Filed:
Jun. 13, 1990
Applicant:
Inventors:
W Geoffrey Chan, Chesterfield, VA (US);
Yoram Houminer, Richmond, VA (US);
John B Paine, III, Richmond, VA (US);
Kenneth F Podraza, Richmond, VA (US);
Assignees:
Philip Morris Incorporated, New York, NY (US);
Philip Morris Products Inc., Richmond, VA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A24B / ; C07C / ;
U.S. Cl.
CPC ...
131276 ;
Abstract
This invention provides novel .beta.-hydroxyesters which have utility as a flavorant-release additive in smoking compositions. Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as ethyl 3-hydroxy-3-(4'-hydroxy-3'-methoxyphenyl)-2-phenylpropanoate pyrolyzes into vanillin and ethyl phenylacetate flavorants as volatile components of the cigarette smoke.