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:
Aug. 28, 2007
Filed:
May. 27, 2003
Applicants:
Olaf Schupp, Frankfurt am Main, DE;
Felix W. Grimm, Hofheim, DE;
Manfred Opravil, Karben, DE;
Joachim Weber, Frankfurt am Main, DE;
Inventors:
Olaf Schupp, Frankfurt am Main, DE;
Felix W. Grimm, Hofheim, DE;
Manfred Opravil, Karben, DE;
Joachim Weber, Frankfurt am Main, DE;
Assignee:
Clariant Produkte (Deutschland) GmbH, Sulzbach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 33/153 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for the production of a diazo pigment, or a mixture of diazo pigments, according to formula (I) of the specification by azo coupling, wherein the azo coupling product is subjected to a finish in an organic solvent or in an agueous organic solvent with a neutral or alkaline pH.