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:
Feb. 17, 1976
Filed:
Jul. 25, 1974
Applicant:
Inventor:
John C Sheehan, Lexington, MA (US);
Assignee:
Massachusetts Institute of Technology, Cambridge, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 424246 ; 2602391 ;
Abstract
This invention relates to a new, biologically active material conforming to the formula ##SPC1## The material is formed by a process comprising displacement of the thiazolidine ring in Pencillin V and formation of the cephem system.