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:
Jun. 11, 1991
Filed:
Mar. 17, 1989
Applicant:
Inventors:
Mitsuo Ohashi, Ohmiya, JP;
Katsuya Awano, Oyama, JP;
Toshio Tanaka, Tochigi, JP;
Tetsuya Kimura, Tochigi, JP;
Assignee:
Kyorin Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560 53 ; 562464 ; 514543 ; 514571 ;
Abstract
Phenoxyalkylcarboxylic acid derivatives of the following formula, ##STR1## wherein R.sup.1 indicates a hydrogen atom, a methyl group or an ethyl group, m is equal to 2, 3 or 4, and n is equal to 3 or 4, their alkali salts and hydrates thereof are useful as antiallergic agents.