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. 07, 1982
Filed:
Apr. 01, 1981
Applicant:
Inventors:
Shinichi Kojima, Ashiya, JP;
Ten Koide, Takarazuka, JP;
Shigeo Ogino, Nishinomiya, JP;
Toshiro Tsuchiya, Minoo, JP;
Yoshito Kameno, Minoo, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07C / ;
U.S. Cl.
CPC ...
424177 ; 2601 / ;
Abstract
An acidic protease inhibitor obtained by allowing a compound of ##STR1## wherein X and Y are L-leucine or L-valine, or its salt, to react with an aluminum compound in a medium containing water and/or an alcohol, and further continuing the reaction after adjusting the pH of the system within a range of 4.5 to 7. The protease can stay long in stomach, have an action to protect ulcerated areas and retain the antiulcer effect for a long period of time.