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:
Jan. 12, 1988
Filed:
May. 20, 1985
Applicant:
Inventors:
Hamao Umezawa, Tokyo, JP;
Tomio Takeuchi, Tokyo, JP;
Takaaki Aoyagi, Fujisawa, JP;
Mitsugu Hachisu, Yokohama, JP;
Masao Hirayama, Yokosuka, JP;
Shinjiro Murata, Yokohama, JP;
Shunzo Fukatsu, Tokyo, JP;
Assignee:
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
514513 ; 558254 ; 564162 ; 560 16 ; 562426 ; 514562 ; 514540 ; 514538 ;
Abstract
New 3-[N-(mercaptoacyl)]amino-4-arylbutanoic acid derivatives are now provided, which exhibit analgesic activity and are effective to enhance the analgesia induced by a known analgesic compound, ]D-ala.sup.2,met.sup.5 ]-enkephalin (DAME).