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:
Feb. 28, 2012
Filed:
Jul. 30, 2008
Applicants:
Joachim Jesse, Weisenheim, DE;
Matthias Klueglein, Ludwigshafen, DE;
Richard Van Gelder, Speyer, DE;
Wolfgang Best, Freinsheim, DE;
Inventors:
Joachim Jesse, Weisenheim, DE;
Matthias Klueglein, Ludwigshafen, DE;
Richard Van Gelder, Speyer, DE;
Wolfgang Best, Freinsheim, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09B 67/04 (2006.01); C09B 67/20 (2006.01); C09B 67/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of finishing an organic pigment by dry-comminuting said pigment in the presence of a sulfonato-functional condensation product of an arylsulfonic acid and at least one aliphatic aldehyde having 1 to 6 C atoms as crystallization modifier, dispersing the resulting mixture of pigment and crystallization modifier in mineral acid, and swelling the pigment in the presence of the crystallization modifier in mineral acid.