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. 06, 1988
Filed:
Apr. 02, 1987
Applicant:
Inventors:
Takashi Terada, Yono, JP;
Tetsushi Saino, Yono, JP;
Terukatsu Sakurai, Omiya, JP;
Hamao Umezawa, Tokyo, JP;
Masaaki Ishizuka, Tokyo, JP;
Assignee:
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562448 ;
Abstract
A stable, non-hygroscopic, crystalline .gamma.-form of bestatin is prepared from the .alpha.- or .beta.-form of bestatin by heating at a temperature of from about 148.degree. C. to the melting point of bestatin, or by suspending or kneading in certain specified solvents.