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:
May. 24, 2011
Filed:
Jan. 31, 2007
Alexander I. Shakhnovich, Westford, MA (US);
Darryl S. Williams, Groton, MA (US);
Joseph B. Carroll, Bradford, MA (US);
Alexander I. Shakhnovich, Westford, MA (US);
Darryl S. Williams, Groton, MA (US);
Joseph B. Carroll, Bradford, MA (US);
Cabot Corporation, Boston, MA (US);
Abstract
The present invention relates to an inkjet ink composition comprising a liquid vehicle, a pigment, and a polymeric dispersant. In one embodiment, the pigment comprises a colorant having the formula A-(B)or is a carbon black pigment and the polymeric dispersant comprises a polymeric group and at least one group having the formula -A'-(B)(C), wherein A and A′ are organic chromophore groups. In a second embodiment, the polymeric dispersant comprises a polymeric group and an organic chromophore group capable of interacting with the pigment.