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. 08, 2017
Filed:
Oct. 31, 2006
Elizabeth G. Burns, Windham, NH (US);
James A. Belmont, Acton, MA (US);
Robert J. Nick, Pepperell, MA (US);
Feng Gu, Westford, MA (US);
Elizabeth G. Burns, Windham, NH (US);
James A. Belmont, Acton, MA (US);
Robert J. Nick, Pepperell, MA (US);
Feng Gu, Westford, MA (US);
Cabot Corporation, Boston, MA (US);
Abstract
The present invention relates to a modified colorant comprising a colorant having at least one polymer attached or adsorbed thereto. The polymer comprises at least one functional group, and various embodiments of the functional group are disclosed. For each of these embodiments, preferably the functional group has a defined calcium index value. Also disclosed are various uses for these modified colorants, including inkjet ink compositions. Thus, the present invention further relates to an inkjet ink composition comprising a) a liquid vehicle, b) at least one colorant, and c) at least one polymer comprising at least one functional group as described herein.