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:
Feb. 27, 1996
Filed:
Jun. 03, 1994
Applicant:
Inventors:
Kiyofumi Ishikawa, Tsukuba, JP;
Takehiro Fukami, Tsukuba, JP;
Masaki Ihara, Tsukuba, JP;
Mitsuo Yano, Tsukuba, JP;
Assignee:
Banyu Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C07K / ;
U.S. Cl.
CPC ...
514 18 ; 514 19 ; 530330 ; 530331 ;
Abstract
A peptide derivative of the formula: ##STR1## is a novel compound having antagonism against three endothelin isopeptides. A 2-cyanotryptophan or a protected compound thereof, is an intermediate for the preparation of the endothelin antagonist.