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. 10, 1998
Filed:
Aug. 20, 1996
Applicant:
Inventor:
Alastair McAlpine Marr, Paisley, GB;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
106411 ; 106410 ;
Abstract
The present invention provides a composition comprising copper phthalocyanine containing 0-4 chlorine atoms having a crystal size in the range of from 0.01 to 0.2 .mu.m, and from 10 to 15% by weight of an ionic complex formed from copper phthalocyanine sulphonic acid and a quaternary amine of the formula (I) ##STR1## where R.sub.1 is a C.sub.1 -C.sub.6 alkyl group; R.sub.2 is a C.sub.1 -C.sub.18 alkyl group; R.sub.3 is the same as R.sub.2 or is a hydroxyethyl or ethoxylated ethyl group having up to 5 ethyleneoxy units: R.sub.4 is a hydroxyethyl or ethoxylated ethyl group having up to 5 ethyleneoxy units; and X is a halogen atom.