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:
May. 12, 1992
Filed:
Jun. 15, 1990
Yasushi Kohno, Oyama, JP;
Eisuke Kojima, Koga, JP;
Kyorin Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
Cyclic anthranilic acid carboxylic acid derivatives of the following formula, ##STR1## wherein R.sup.1 is hydrogen atom, carboxyl group, lower alkoxy carbonyl group having 1 to 3 carbon atoms, or phenyl group which may be substituted, r.sup.2 and R.sup.4 are each independently a hydrogen atom, lower alkyl group having 1 to 3 carbon atoms or benzyl group, R.sup.3 is a hydrogen atom, halogen atom, nitro group, amino group, cyano group, carbamoyl group, carboxyl group, lower alkanoylamino group having 1 to 4 carbon atoms, benzoylamino group, lower alkylsulfonylamino group having 1 to 3 carbon atoms or phenylsulfonylamino group which may be substituted by methyl group; the acid addition or alkali salts thereof, are useful as drugs treat autoimmune diseases, antirheumatic agents and therapeutic or prophylactic agents to treat metabolic bone diseases.