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:
May. 04, 1976
Filed:
Jul. 10, 1974
Applicant:
Inventor:
Werner Kuster, Basel, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
2603145 ; 8 542 ; 8162 / ; 8178 / ; 8179 ; 106 23 ; 428432 ; 428470 ; 428474 ; 428537 ;
Abstract
Tetra-(alkylsulphamoyl)-copper phthalocyanines of the formula ##EQU1## WHEREIN CuPc denotes a copper phthalocyanine radical, R.sub.1, R.sub.2 and R.sub.3 denote alkyl radicals with a total of 7 - 12 C atoms, R.sub.4, R.sub.5 and R.sub.6 denote alkyl radicals with a total of 11 - 13 C atoms and n denotes 0 - 4 have a good solubility an alcohol and are particularly suitable for dyeing alcoholic solutions of film-forming polymers.