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:
Jun. 25, 2024
Filed:
Oct. 23, 2019
Cabot Corporation, Boston, MA (US);
Tianqi Liu, Boxborough, MA (US);
Jinqi Xu, Westford, MA (US);
Cabot Corporation, Boston, MA (US);
Abstract
Disclosed herein are inkjet ink compositions comprising: at least one pigment having attached at least one organic group having a calcium index value greater than a calcium index value of 1,2,3-benzene tricarboxylic acid; at least one acrylic polymer having an acid number of at least 150 KOH/g and a weight average molecular weight ranging from 1,000 to 15,000, wherein the at least one acrylic polymer is at least partially neutralized with a base having the following structure: wherein: A is a C-Calkyl, Ris selected from H, C-Calkyl, an amine having the formula —NRR, and a guanidine residue having the formula —N(R)—C(═NH)—N(R)(R), wherein Rto Rare independently selected from H and C-Calkyl, and Ris selected from H, C-Calkyl, and an acid group. The inkjet ink composition further comprises an aqueous liquid medium.