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:
Sep. 13, 1977
Filed:
Dec. 31, 1975
Applicant:
Inventors:
Keiichi Sugimoto, Kawanishi, JA;
Koji Nishijima, Ibaraki, JA;
Tadashi Hanaoka, Suita, JA;
Hiroshi Akimoto, Nishinomiya, JA;
Nobuharu Kakeya, Kawanishi, JA;
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602391 ; 424271 ;
Abstract
Novel d-.alpha.-isobutylsulfobenzylpenicillin hemi-solvate crystals of the formula: ##STR1## (wherein A is a solvent selected from the class consisting of alcohols, ketones, ethers and esters) have excellent antibacterial activities and improved stability in terms of shelf-life.