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. 06, 2012
Filed:
Sep. 16, 2008
Tanja Reipen, Mainz, DE;
Jens Reichwagen, Thun, CH;
Matthias Ganschow, Wiesbaden, DE;
Carsten Plueg, Muehltal / Niederbeerbach, DE;
Lars Schneider, Liederbach, DE;
Tanja Reipen, Mainz, DE;
Jens Reichwagen, Thun, CH;
Matthias Ganschow, Wiesbaden, DE;
Carsten Plueg, Muehltal / Niederbeerbach, DE;
Lars Schneider, Liederbach, DE;
Clariant Finance (BVI) Limited, Tortola, VG;
Abstract
The invention relates to a pigment composition that is composed of compounds of formulas (I), (II) and (III), is characterized by a average particle size dranging from 10 to 60 nm, less than 5% by volume of the particles being greater than 70 nm, and can be obtained by reacting of 1 mol of a succinic acid diester with 2 mol of a mixture of nitriles A-CN and B-CN nitriles, the molar ratio of A-CN and B-CN in the nitrile mixture being in the range from 99.5:0.5 to 85.0:15.