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:
Nov. 28, 1989
Filed:
Jun. 22, 1987
Applicant:
Inventors:
Susumu Nakagawa, Okazaki, JP;
Ryosuke Ushijima, Okazaki, JP;
Fumio Nakano, Okazaki, JP;
Koji Yamada, Okazaki, JP;
Eiichi Mano, Kariya, JP;
Assignee:
Banyu Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
540222 ;
Abstract
A compound having the formula: ##STR1## wherein R.sup.1 is an amino group or a protected amino group, R.sup.2 is a hydrogen atom or a protecting group for a hydroxyl group, R.sup.3 represents negative charge, a hydrogen atom or a protecting group for a carboxyl group, and n is 0 or 1, and a salt thereof.