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:
Feb. 23, 2010
Filed:
Jun. 10, 2005
Nobuyuki Takizawa, Wakayama, JP;
Shigeki Nagashima, Wakayama, JP;
Takehiro Tsutsumi, Osaka, JP;
KAO Corporation, Tokyo, JP;
Abstract
A polymeric dispersant containing a vinyl polymer having a constitutional unit represented by the following formula 1: wherein Ris a hydrogen atom or a methyl group, Rand Rmay be the same or different and are each independently an alkylene group having from 2 to 18 carbon atoms or an arylene group having from 6 to 18 carbon atoms, Ris an alkylene group having from 4 to 18 carbon atoms or an arylene group having from 6 to 18 carbon atoms, Mand Mmay be the same or different and are each independently a hydrogen atom or a cation, k and m may be the same or different and are each independently a number from 0 to 20, and L is a number from 1 to 20, with the proviso that L is 2 or more when k is zero. The polymeric dispersant is used for the production of a water dispersion for ink-jet printing. The water dispersion for ink-jet printing is used for the production of a water-based ink for ink-jet printing.