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. 19, 2002
Filed:
Dec. 08, 2000
Applicant:
Inventors:
Rüdiger Jung, Kelkheim, DE;
Klaus Kund, Langenscheid, DE;
Bernd Nestler, Frankfurt am Main, DE;
Martin U. Schmidt, Frankfurt am Main, DE;
Leonhard Unverdorben, Nidderau, DE;
Rudolf Steiner, Erlangen, DE;
Assignee:
Clariant GmbH, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 6/736 ;
U.S. Cl.
CPC ...
C09B 6/736 ;
Abstract
The invention provides a process for aftertreating organic pigments by causing the ground or unground crude organic pigment and liquid or supercritical carbon dioxide to act on one another.