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:
Mar. 10, 2009
Filed:
Oct. 28, 2004
Applicants:
Gang Chen, Langley, CA;
Jason Crawford, Burnaby, CA;
Renato Skerlj, Vancouver, CA;
Inventors:
Assignee:
Genzyme Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 213/127 (2006.01);
U.S. Cl.
CPC ...
Abstract
Methods for preparing 2,6-diaryl piperidine derivatives are described. More particularly, 2,6-diaryl piperidines having formula 1-4 are prepared by cyclocondensation of an aryl or heteroaryl aldehyde with 1,3-acetonedicarboxylic acid.