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:
Mar. 08, 2016
Filed:
Jan. 25, 2013
Applicant:
Sekisui Chemical Co., Ltd., Osaka, JP;
Inventors:
Yu Nagahara, Ibaraki, JP;
Takeshi Wakiya, Ibaraki, JP;
Assignee:
SEKISUI CHEMICAL CO., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01); G02B 1/06 (2006.01); C09D 11/037 (2014.01); C09D 11/106 (2014.01);
U.S. Cl.
CPC ...
G02B 1/06 (2013.01); C09D 11/037 (2013.01); C09D 11/106 (2013.01); G02B 26/005 (2013.01);
Abstract
The present invention relates to an ink for an electrowetting element comprising colorant particles and a solvent, wherein the colorant particles have a specific gravity of 2 or less and an average particle diameter of 20 to 300 nm, and wherein the content of the colorant particles in the ink is 5 to 50% by mass.