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:
Oct. 27, 2015
Filed:
Aug. 09, 2011
Applicants:
Yuuki Yokohama, Kanagawa, JP;
Akihiko Gotoh, Kanagawa, JP;
Mariko Kojima, Tokyo, JP;
Inventors:
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/02 (2006.01); C09D 11/03 (2014.01); C09D 171/00 (2006.01); C09D 11/326 (2014.01); C09B 67/46 (2006.01);
U.S. Cl.
CPC ...
C09D 11/03 (2013.01); C09D 11/326 (2013.01); C09D 171/00 (2013.01); C09B 67/0084 (2013.01); Y10T 428/24901 (2015.01);
Abstract
Ink containing a pigment, an alcohol alkoxylate-based surfactant, a water-soluble organic solvent, water, and a dispersion agent represented by the following chemical structure 1, wherein the ink has a dynamic surface tension of 36 mN/m or less when the life of foam at 25° C. as measured by the maximum bubble pressure technique is 15 msec: where Rrepresents an alkyl group having one to four carbon atoms, an aryl group, and an aralkyl group having one to eight carbon atoms, L represents zero or an integer of from 1 to 7, and n represents an integer of from 20 to 80.