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:
Jun. 01, 1976
Filed:
Feb. 11, 1975
Applicant:
Inventors:
Stjepan Kukolja, Indianapolis, IN (US);
Steven R Lammert, Greenwood, IN (US);
Assignee:
Eli Lilly and Company, Indianapolis, IN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
2602391 ; 2602 / ;
Abstract
A 7-acylamino-3-hydroxy-3-methylcepham-4-carboxylic acid ester is reacted with a mixture of a halogenating agent and a tertiary carboxamide to produce a 2-halomethylpenam compound, a useful intermediate for the preparation of desacetoxycephalosporins.
Kukolja, Stjepan. (1976). Preparation of 6-acylamino-2-methyl-2-halomethyl penams (U.S. Patent No. 3960844). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3960844
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile