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. 25, 2008
Filed:
Jan. 31, 2003
Applicants:
Hans Joachim Metz, Darmstadt, DE;
Thomas Hundsdorf, Weiterstadt, DE;
Klaus Brychcy, Frankfurt am Main, DE;
Andreas Stohr, Freinsheim, DE;
Inventors:
Hans Joachim Metz, Darmstadt, DE;
Thomas Hundsdorf, Weiterstadt, DE;
Klaus Brychcy, Frankfurt am Main, DE;
Andreas Stohr, Freinsheim, DE;
Assignee:
Clariant Produkte (Deutschland) GmbH, Silzbach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/34 (2006.01); C09B 67/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for distortion-free pigmentation of partly-crystalline plastics, characterized in that a phthalocyanine pigment is used which has been heated to a temperature of at least 80° C. as a suspension in an acid-free organic medium in the presence of a base.