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:
Dec. 09, 1980
Filed:
May. 10, 1979
Applicant:
Inventor:
Fridolin Babler, Allschwil, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ;
U.S. Cl.
CPC ...
260 4221 ;
Abstract
A process for pigmenting polyolefins and rigid polyvinyl chloride, which comprises the use of perylenetetracarboxylic acid diimide pigments of the formula ##STR1## wherein R.sub.1 represents an aliphatic or cycloaliphatic radical of at least 12 carbon atoms and R.sub.2 represents hydrogen or an aliphatic or cycloaliphatic radical. These pigments are exceptionally suitable for pigmenting polyolefins and rigid polyvinyl chloride.