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:
Apr. 27, 2010
Filed:
Nov. 28, 2006
Geert Deroover, Lier, BE;
Nicolas Point, Richwiller, FR;
Geert Deroover, Lier, BE;
Nicolas Point, Richwiller, FR;
Agfa Graphics NV, Mortsel, BE;
Abstract
A non-aqueous pigment dispersion includes a color pigment, a polymeric dispersant, and a dispersion synergist in a dispersion medium wherein the dispersion synergist is represented by Formula (I): wherein ARand ARrepresent a substituted or unsubstituted aromatic group, and R represents a substituted or unsubstituted aliphatic group, with the proviso that one of R, AR, and ARcontains at least one carboxylate anion and that the molecular weight of the anionic part of the dispersion synergist is smaller than 98% of the molecular weight of the color pigment. Also, methods of preparing the non-aqueous pigment dispersions.