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:
Mar. 05, 1985
Filed:
Dec. 09, 1982
Applicant:
Inventors:
Chung-Chen Wei, Cedar Knolls, NJ (US);
Manfred Weigele, North Caldwell, NJ (US);
Assignee:
Hoffmann-La Roche Inc., Nutley, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 560 27 ; 560 28 ; 560 29 ; 560159 ; 549362 ; 549436 ; 549441 ; 549452 ; 549315 ; 2602 / ;
Abstract
A novel enantiomeric synthesis from ascorbic acid of (3S,4S)-3-amino-4-carbamoyloxymethyl-2-azetidinone-1-sulfate, an intermediate for an antibiotic compound.