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. 25, 1984
Filed:
May. 03, 1982
Georg Cseh, Arlesheim, CH;
Stefan Hari, Allschwil, CH;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
Monoazo pigment compounds of the formula ##STR1## wherein X is a group of the formula ##STR2## R is hydrogen or methyl, R.sub.1 and R.sub.2 are hydrogen, chlorine, methyl or methoxy, Y is methyl or phenyl, or Y is --O, --S--, --N(R.sub.3)-- or --C(R.sub.4).dbd.CH--, each of which is bound on the ring A in the ortho-position with respect to the --NHCO-- group to form a benzoxazolone, benzothiazolone, benzimidazolone or quinolone-2, with R.sub.3 and R.sub.4 being hydrogen or methyl, and m and n independently of one another are each 1 or 2, are useful as high-grade pigments, for pigmenting high-molecular weight organic material. The pigments are distinguished in particular by good fastness to light, migration and weather.