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:
Feb. 17, 2009
Filed:
Dec. 20, 2006
Applicants:
Karel Pospisilik, Krtiny, CZ;
Lambertus Thijs, Wijchen, NL;
Inventors:
Karel Pospisilik, Krtiny, CZ;
Lambertus Thijs, Wijchen, NL;
Assignee:
Synthon IP Inc., Gainesville, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 213/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Desvenlafaxine is formed from venlafaxine by the use of a demethylating agent comprising a metal sulfide, such as sodium sulfide, and optionally selenium.