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. 25, 2011
Filed:
Nov. 22, 2006
Applicants:
Jules A. Shafer, Gwynedd Valley, PA (US);
Vladislav V. Telyatnikov, Hatfield, PA (US);
Hao Wang, Singapore, SG;
Inventors:
Jules A. Shafer, Gwynedd Valley, PA (US);
Vladislav V. Telyatnikov, Hatfield, PA (US);
Hao Wang, Singapore, SG;
Assignee:
Controlled Chemicals, Inc., Colmar, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/485 (2006.01); C07D 489/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to processes for removal of Michael acceptors from certain compositions wherein the composition is treated with a thiol-containing compound under conditions sufficient to remove Michael acceptors and the resulting thiol-Michael adducts. Certain embodiments of the present invention enable quantification and/or removal of Michael acceptors and/or Michael acceptor precursors.