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. 17, 2007
Filed:
Aug. 25, 2003
Applicant:
Seiji Aida, Tokyo, JP;
Inventor:
Seiji Aida, Tokyo, JP;
Assignee:
Toyo Ink Mfg. Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2006.01); C08F 267/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an aqueous pigment dispersion that shows excellent dispersibility and storage stability, an inkjet ink that shows excellent jetability, water resistance, and adhesion, and a process for producing an aqueous pigment dispersion that shows excellent dispersibility and storage stability, as well as superior jetability, water resistance and adhesion. An aqueous pigment dispersion of the present invention comprises a dispersion formed by dispersing a monoalkyl maleate graft polymer of a maleic anhydride/α-olefin copolymer in water in the presence of a base, a pigment, and an aqueous medium.