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:
Aug. 16, 2011
Filed:
Apr. 19, 2005
Applicants:
Haifang Mao, Shanghai, CN;
Hongguang Qian, Shanghai, CN;
Chen Chen, Shanghai, CN;
Inventors:
Assignee:
KRKA, Tovarna Zdravil, D.D., Novo Mesto, Novo Mesto, SI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 471/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Processes for the preparation of clopidogrel hydrogen sulfate of polymorphic form I are described which include use of specific solvents and process measures to avoid formation of undesired by-products.