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. 02, 1982
Filed:
Aug. 15, 1980
Hiromitsu Katsura, Tokorozawa, JP;
Shigeyuki Ehashi, Kawagoe, JP;
Junichi Tsuchida, Tokyo, JP;
Kenichi Kakimoto, Tokyo, JP;
Toyo Ink Manufacturing Co. Ltd., Tokyo, JP;
Abstract
There is provided a pigment composition comprising 100 parts by weight of a pigment and from 0.3 to 30 parts by weight of a colorless or slightly colored aromatic compound having the following general formula (I) ##STR1## wherein Q represents a residue of an aromatic polycyclic compound which is joined directly or through A to --SO.sub.2 -- radical of the compound of the formula (I), A represents a member selected from the group consisting of --O--, ##STR2## --S--, --CO--, --SO.sub.2 --, ##STR3## a divalent phenylene residue and a combination thereof, in which R.sub.4 and R.sub.5 represent, independently, a hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms, R.sub.1 and R.sub.2 represent, independently, a hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms, or together form a heterocyclic ring together with N* in the formula (I), R.sub.3 represents a hydrogen atom or an alkyl group containing from 1 to 20 carbon atoms, m is an integer of from 1 to 6 and n is an integer of from 1 to 3, as well as the use of such a pigment composition to color polyolefins, polyesters, vinyl resins, offset printing ink vehicles, gravure printing inks, nitrocellulose lacquers, room temperature drying or baking paints, urethane resin paints and the like.