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. 06, 1998
Filed:
Apr. 20, 1995
Sadao Ishihara, Tokyo, JP;
Fujio Saito, Tokyo, JP;
Takao Yoshioka, Tokyo, JP;
Hiroyuki Koike, Tokyo, JP;
Shigeki Miyake, Tokyo, JP;
Hiroshi Mizuno, Tokyo, JP;
Sankyo Company, Limited, Tokyo, JP;
Abstract
An amino acid compound of the formula: R.sup.1 NH--CH(R.sup.2)--COHN--A--ONO.sub.2, wherein R.sup.1 represents a hydrogen atom, a C.sub.1 -C.sub.7 alkanoyl group, a C.sub.1 -C.sub.6 alkoxycarbonyl group, a C.sub.6 -C.sub.10 arylcarbonyl group, a C.sub.7 -C.sub.13 aralkylcarbonyl group, a C.sub.7 -C.sub.13 aralkyloxycarbonyl group or a 5- or 6-membered aromatic heterocyclic carbonyl group; R.sup.2 represents a substituted C.sub.1 -C.sub.6 alkyl group; and A represents a C.sub.2 -C.sub.5 alkylene group; and pharmacologically acceptable salts thereof. The amino acid compound has an excellent vasodilator action for collateral vessels and is useful for treating angina pectoris.