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. 02, 1976
Filed:
Nov. 02, 1964
Applicant:
Inventors:
Herbert H Silvestri, DeWitt, NY (US);
David A Johnson, Fayetteville, NY (US);
Assignee:
Bristol-Myers Company, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602391 ; 424271 ;
Abstract
1. A new crystalline form of D-6-(2-amino-2-phenyl-acetamido)penicillanic acid characterized by being substantially free of water in the chemically bound state, having a molecular weight of about 349, having an infrared spectrograph as disclosed in FIG. 1 of the drawings, and possessing substantially greater storage stability than hydrated crystalline D-6-(2-amino-2-phenyl-acetamido)penicillanic acid.