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:
Jan. 19, 2010
Filed:
Nov. 02, 2006
Applicants:
Jorge M. Lem, Geneva, CH;
Koenraad P. Vanhessche, Feigères, FR;
Cyril Mahaim, Geneva, CH;
Inventors:
Assignee:
Firmenich SA, Geneva, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 45/61 (2006.01); C07C 49/757 (2006.01); C07C 49/753 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to the field of organic synthesis and more particularly to a new process for the preparation of an acetal derivative of an alkyl 3-oxo-2-(2-oxoethyl)-1-cyclopentaneacetate. The invention also relates to a method to use said acetal derivative to prepare intermediates useful for the preparation of perfuming ingredients.