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:
Dec. 18, 2008
Sze-ming Lee, Westford, MA (US);
Elizabeth G. Burns, Windham, NH (US);
Sarah A. Mandeville, Hopedale, MA (US);
Robert J. Nick, Pepperell, MA (US);
Dave S. Pope, Andover, MA (US);
Sze-Ming Lee, Westford, MA (US);
Elizabeth G. Burns, Windham, NH (US);
Sarah A. Mandeville, Hopedale, MA (US);
Robert J. Nick, Pepperell, MA (US);
Dave S. Pope, Andover, MA (US);
Cabot Corporation, Boston, MA (US);
Abstract
The present invention relates to a method of preparing a polymer modified pigment comprising the steps of, combining, in any order, a modified pigment comprising a pigment having attached at least one reactive group, a polymer comprising at least one functional group, and a non-reactive diluent, to form a reaction mixture, reacting the polymer and the modified pigment in the reaction mixture to form a mixture comprising the polymer modified pigment and the non-reactive diluent; and removing the non-reactive diluent from the mixture to form the polymer modified pigment. Also disclosed are the resulting polymer modified pigments and inkjet ink compositions comprising them.