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:
Dec. 12, 2005
Filed:
Jul. 20, 2003
Applicants:
Mitsuo Ohashi, Saitama-ken, JP;
Katsuya Awano, Tochigi-ken, JP;
Toshio Tanaka, Tochigi-ken, JP;
Tetsuya Kimura, Tochigi-ken, JP;
Inventors:
Mitsuo Ohashi, Saitama-ken, JP;
Katsuya Awano, Tochigi-ken, JP;
Toshio Tanaka, Tochigi-ken, JP;
Tetsuya Kimura, Tochigi-ken, JP;
Assignee:
Kyorin Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C032/00 ;
U.S. Cl.
CPC ...
Abstract
Phenoxyalkylcarboxylic acid derivative represented by the following formula,wherein Rindicates hydrogen atom, methyl group or ethyl group, m is an integer from 2 to 5, and n is an integer from 3 to 8, Xand Xeach independently represent sulfur atom, oxygen atom, sulfinyl group or sulfonyl group, proviso Xand Xare not simultaneously oxygen atom; their alkali salts and hydrates thereof are useful as antiallergic agents.