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:
Mar. 20, 1990
Filed:
Jul. 20, 1987
Applicant:
Inventors:
Yasuo Kawamura, Funabashi, JP;
Tomoyuki Ogura, Funabashi, JP;
Yasuo Kawamura, Funabashi, JP;
Masayoshi Hirose, Minamisaitama, JP;
Kiminori Hirata, Minamisaitama, JP;
Masaki Kudo, Minamisaitama, JP;
Toshiro Miyake, Minamisaitama, JP;
Assignee:
Nissan Chemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
514247 ; 514252 ; 544238 ; 544239 ; 544240 ; 544241 ;
Abstract
Novel 3(2H)-pyridazinone derivatives of the formula (I): ##STR1## wherein, X represents a halogen, an alkyl, a haloalkyl, a haloalkoxy atoms, NO.sub.2, an alkoxy or ##STR2## (wherein, R represents an alkyl); n is 1 to 4;