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:
Aug. 05, 2014
Filed:
Sep. 27, 2012
Applicant:
Riso Kagaku Corporation, Tokyo, JP;
Inventors:
Assignee:
Riso Kagaku Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 11/02 (2014.01);
U.S. Cl.
CPC ...
Abstract
A water-in-oil (W/O) emulsion ink having an ejection performance suitable for inkjet printing and superior storage stability at high temperature includes as emulsifiers, a polyglyceryl fatty acid ester (A) having a fatty acid moiety is isostearic acid or oleic acid with an HLB value of 7-14 and a glycerol polymerization degree of not less than 4, at least one nonionic surfactant (B) selected from (B-a) an esterification product of an organic compound with 3-5 hydroxyl groups and a fatty acid having 18 carbon atoms, (B-b) an alkyl glyceryl ether, (B-c) a diterpene alcohol and (B-d) a sucrose fatty acid ester having an HLB value of not more than 13.