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. 10, 1991
Filed:
May. 19, 1989
Applicant:
Inventors:
Norio Minami, Ibaraki, JP;
Fumihiro Ozaki, Ibaraki, JP;
Keiji Ishibashi, Ibaraki, JP;
Yasuhiro Kabasawa, Ibaraki, JP;
Megumi Ikemori, Ibaraki, JP;
Toshiaki Ogawa, Ibaraki, JP;
Takanori Kawamura, Ibaraki, JP;
Assignee:
Eisai Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; A61K / ; A61K / ; A61K / ; C07D / ; C07D / ; C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514397 ; 514398 ; 514399 ; 514400 ; 540594 ; 540575 ; 544353 ; 544139 ; 544163 ; 544165 ; 544166 ; 544168 ; 544224 ; 544239 ; 544283 ; 544336 ; 544393 ; 546121 ; 546146 ; 546173 ; 546210 ; 546221 ; 546247 ; 546270 ; 546278 ; 546291 ; 546337 ; 548336 ; 548337 ; 548341 ; 548342 ; 548204 ; 548187 ; 548189 ; 548236 ; 548247 ; 548249 ; 5482694 ; 548372 ; 548378 ; 548455 ; 548460 ; 548485 ; 548491 ; 548495 ; 548561 ; 548567 ; 548568 ; 549366 ; 549441 ;
Abstract
A butenoic or propenoic acid derivative having the following formula in which G is an aryl or a heterocyclic ring, R11 and R12 are hydrogen or an alkyl, X is sulfur or oxygen, R2 and R3 are hydrogen, an substituent such as an alkyl and J is pyridyl or phenyl having substituents and a heterocyclic ring may be formed between R2, R3 and J is provided here and is useful in the pharmacological field. ##STR1##