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:
Jan. 14, 1997

Filed:

Dec. 19, 1994
Applicant:
Inventors:

Gary M Lim, Fayetteville, NY (US);

John M Roubie, East Syracuse, NY (US);

Elizabeth A Garofalo, Marcellus, NY (US);

Assignee:

Bristol-Myers Squibb Company, New York, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
540222 ;
Abstract

The present invention provides an anhydrous acylation process for the preparation of antibiotic, cefepime dihydrochloride hydrate which is substantially free of the anti-isomer and the .DELTA..sup.2 isomer comprising the N-acylation of a silylated derivative of 7-amino-3-[(1-methyl-1-pyrrolidinio)-methyl]ceph-3-em-4-carboxylate with the syn-isomer of 2-(2-aminothiazol-4-yl)-2-methoxyimino acetyl chloride hydrochloride.


Find Patent Forward Citations

Lim, Gary. (1997). Process for the preparation of a cephalosporin antibiotic (U.S. Patent No. 5594129). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5594129

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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