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:
Jan. 08, 1980
Filed:
Aug. 30, 1978
Applicant:
Inventors:
Cornelis A Bruynes, Koudekerk, NL;
Jan J de Koning, Rijswijk, NL;
Assignee:
Gist-Brocades N.V., Delft, NL;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544 16 ; 424246 ;
Abstract
An improved process for the preparation of 3-bromomethyl-3-cephem sulfoxide derivatives of the formula ##STR1## wherein R.sub.1 is an acylamido group and R.sub.2 is a group protecting the carboxy radical which are valuable intermediates for the preparation of various therapeutically useful cephalosporanic acid derivatives.
Quick Actions:
Bruynes, Cornelis. (1980). Preparation of 3-bromomethyl-3-cephem sulfoxides (U.S. Patent No. 4182870). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4182870
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile