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. 31, 2007
Filed:
Oct. 12, 2006
Applicants:
Gary Bernard Womack, Hopewell, NJ (US);
Roger Leslie Snowden, Viry, FR;
Hervé Mosimann, Carouge, CH;
Anthony Alexander Birkbeck, Geneva, CH;
Inventors:
Gary Bernard Womack, Hopewell, NJ (US);
Roger Leslie Snowden, Viry, FR;
Hervé Mosimann, Carouge, CH;
Anthony Alexander Birkbeck, Geneva, CH;
Assignee:
Firmenich SA, Geneva, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 67/02 (2006.01); A61K 8/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a process for making indenol esters or ethers from an α-substituted cinnamic aldehyde derivative such as an acetal or an acylal. Said reaction is promoted by the use of strong mineral acids, sulphonic acids, acidic zeolites or Lewis acids.