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:
Jun. 30, 2009
Filed:
Apr. 19, 2006
Applicants:
Masahiro Yatake, Nagano-ken, JP;
Yasuhiro Oki, Nagano-ken, JP;
Motoki Masuda, Nagano-ken, JP;
Hiroko Hayashi, Nagano-ken, JP;
Inventors:
Masahiro Yatake, Nagano-ken, JP;
Yasuhiro Oki, Nagano-ken, JP;
Motoki Masuda, Nagano-ken, JP;
Hiroko Hayashi, Nagano-ken, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink for inkjet recording of the invention includes water and a pigment, where the pigment is dispersed using a polymer having a refractive index of at least 1.58 or more, an acid value of 50 mgKOH/g to 120 mgKOH/g, and a weight average molecular weight of 20000 to 120000. It is preferable that the polymer is prepared by using a (meta)acrylate and/or a sulfur-containing (meth)acrylate which have at least a plurality of aromatic rings.