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:
Sep. 04, 1990
Filed:
Oct. 07, 1988
Applicant:
Inventors:
Shuntaro Takano, Toyama, JP;
Chosaku Yoshida, Tokaoka, JP;
Takihiro Inaba, Namerikawa, JP;
Keiichi Tanaka, Toyama, JP;
Ryuko Takeno, Toyama, JP;
Hideyoshi Nagaki, Toyama, JP;
Tomoya Shimotori, Toyama, JP;
Shinji Makino, Kurobe, JP;
Assignee:
Toyama Chemical Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514456 ; 549403 ; 549402 ; 549401 ; 549400 ; 549 60 ; 548953 ; 548950 ; 548525 ; 548336 ; 548327 ; 5482664 ; 5482622 ; 548256 ; 548253 ; 548251 ; 548248 ; 548245 ; 548244 ; 548243 ; 548236 ; 548234 ; 548230 ; 548228 ; 548225 ; 548214 ; 548213 ; 548195 ; 548194 ; 548188 ; 548187 ; 548184 ; 548159 ; 548143 ; 548136 ; 548129 ; 548128 ; 548127 ; 546269 ; 546196 ; 546167 ; 546164 ; 546159 ; 546148 ; 546143 ; 546133 ; 544405 ; 544376 ; 544333 ; 544322 ; 544238 ; 544212 ; 544180 ; 544179 ; 544151 ; 514444 ; 514422 ; 514397 ; 514383 ; 514382 ; 514375 ; 514374 ; 514372 ; 514365 ; 514364 ; 514363 ; 514361 ; 514359 ; 514352 ; 514345 ; 514337 ; 514320 ; 514314 ; 514308 ; 514305 ; 514256 ; 514255 ; 5142335 ; 514210 ;
Abstract
This invention relates to a 4H-1-benzopyran-4-one derivative represented by the formula: ##STR1## or a salt thereof, a process for producing the same and a pharmaceutical composition comprising the same as active ingredient.