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:
Aug. 25, 1992
Filed:
Sep. 25, 1989
Applicant:
Inventors:
Mitsuaki Takenaka, Ube, JP;
Masanori Watanabe, Ube, JP;
Assignee:
Ube Industries, Ltd., Ube, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
5142242 ; 544 52 ;
Abstract
A compound represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 each represent a hydrogen atom, a halogen atom, a nitro group, a lower alkyl group or a trifluoromethyl group; R.sup.3 represents a hydrogen atom, a lower alkyl group, a phenyl group or a lower alkoxy-carbonyl group; R.sup.4 and R.sup.5 each represent a hydrogen atom or a lower alkyl group; R.sup.6 represents a halogen atom; and X represents an oxygen atom or a sulfur atom,