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. 28, 2012
Filed:
Sep. 21, 2009
Applicant:
Hisako Tonishi, Kariya, JP;
Inventor:
Hisako Tonishi, Kariya, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The water base ink for ink jet recording of the present invention is a water base ink for ink-jet recording containing a coloring agent, water, a penetrant, and a surfactant; wherein the penetrant includes diethylene glycol n-hexyl ether (A); the surfactant includes at least one surfactant (B) selected from the group consisting of alkyl sulfonate, alkylbenzene sulfonate, alkyl carboxylate, and polyoxyethylene alkyl ether sulfate; a weight ratio (B/A) of (B) with respect to (A) is not less than 0.10; and the (A) is contained in the ink in an amount of 1.0% by weight to 2.5% by weight.