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:
Jul. 26, 1983
Filed:
Sep. 21, 1981
Applicant:
Inventors:
Hamao Umezawa, Tokyo, JP;
Tomio Takeuchi, Tokyo, JP;
Takaaki Aoyagi, Fujisawa, JP;
Mitsugu Hachisu, Tokyo, JP;
Kenji Kawamura, Ohiso, JP;
Shunzo Fukatsu, Tokyo, JP;
Yasuharu Sekizawa, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424177 ;
Abstract
A new analgesic agent is now provided, which comprises as the active ingredient 3-amino-2-hydroxy-4-phenylbutanoic acid and some related compounds thereof. These compounds have now found to be effective as inhibitor against enkephalinase and as an agent for enhancing analgesic activity of morphine.