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.

Date of Patent:
Oct. 28, 1980

Filed:

Mar. 28, 1978
Applicant:
Inventors:

Yasushi Suzuki, Yokohama, JP;

Kunio Tsukamoto, Tokyo, JP;

Nobuyoshi Minami, Yokohama, JP;

Yukio Hasegawa, Kawasaki, JP;

Tadaharu Watanabe, Kawasaki, JP;

Katsuhiko Miyasaka, Atsugi, JP;

Takashi Mikami, Tokyo, JP;

Satoshi Funakoshi, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
424244 ; 2602 / ; 2603 / ;
Abstract

Compounds of the general formula ##STR1## or their salts, esters or amide derivatives; and processes for their preparation. In the formula, R.sub.O represents hydrogen or lower alkyl, R.sub.2 represents hydrogen, halogen or nitro, R.sub.3 represents hydrogen or halogen, and R.sub.4 represents hydrogen or lower alkyl; and when R.sub.O is hydrogen, R.sub.2, R.sub.3 and R.sub.4 are all hydrogens and the group ##STR2## is present at the 2-position. These compounds exhibit superior analgesic and/or anti-inflammatory actions with little gastrointestinal troubles.


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