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:
Oct. 19, 1976
Filed:
Dec. 05, 1974
Theresa Y Cheng, Newark, NJ (US);
Sandor Karady, Elizabeth, NJ (US);
Seemon H Pines, Murray Hill, NJ (US);
Meyer Sletzinger, North Plainfield, NJ (US);
Merck & Co., Inc., Rahway, NJ (US);
Abstract
Process for preparing an ester of 3-substituted methyl-7-acylamido-7-methoxy(or hydrogen)-2-cephem-4-carboxylic acid and its corresponding sulfoxide by treating an ester of 3-carbamoyloxymethyl(or 3-lower alkanoyloxymethyl)-7-acylamido-7-methoxy(or hydrogen)-2-cephem-4-carboxyli c acid with a hydrohalic acid or another compound containing an active hydrogen and then with an oxidizing agent. The products obtained are useful as intermediates in the preparation of antibiotics.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile