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.

Date of Patent:
Nov. 04, 2003

Filed:

Oct. 11, 2002
Applicant:
Inventors:

Wenxue Wu, Princeton Jct, NJ (US);

Hongbiao Liao, Edison, NJ (US);

David J Tsai, Warren, NJ (US);

Assignee:

Schering Corporation, Kenilworth, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract

In one embodiment, the present invention describes the synthesis of 4-(piperidyl)(2-pyridyl)methanone-(E)-O-methyloxime dihydrochloride, monohydrochloride and free base, and similar compounds, in high stereochemical purity.


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