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:
Jun. 25, 1996
Filed:
Aug. 23, 1994
Toshinori Fukui, Toyonaki, JP;
Nobuyuki Katsuda, Ashiya, JP;
Shinichi Yabushita, Mishima-gun, JP;
Shuhei Hashizume, Osaka, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A composition containing benzodifuranone compounds for coloring hydrophobic materials in red which comprises at least one compound selected from the group of benzodifuranone compounds represented by the formula (I): ##STR1## wherein R.sub.1 represents a methylene group, a hydroxide group or a straight chain or branched C.sub.2-6 alkylene group which may be substituted by a C.sub.1-4 alkoxy or C.sub.1-4 alkylcarbonyloxy group, Q represents a 5- or 6-membered saturated or unsaturated heterocyclic ring residue which may be substituted; and at least one compound selected from the group consisting of benzeneazo compounds and/or benzothiazolazo compounds.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile