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. 23, 2010
Filed:
Mar. 10, 2006
Hiroto Nakamura, Nagano, JP;
Toshiyuki Miyabayashi, Nagano, JP;
Masahiro Yatake, Nagano, JP;
Hidehiko Komatsu, Nagano, JP;
Hiroto Nakamura, Nagano, JP;
Toshiyuki Miyabayashi, Nagano, JP;
Masahiro Yatake, Nagano, JP;
Hidehiko Komatsu, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
Provided are ink jet ink excellent in dispersion stability and ejection stability and capable of forming images with fastness, abrasion resistance, color developability, and high density with little feathering; a microencapsulated pigment (MCP) providing the ink and a process of making the same; and an aqueous dispersion of the MCP. The MCP comprises pigment particles having a hydrophilic group on their surface (hydrophilized pigment particles) and coated with a polymer by emulsion polymerization. The process comprises emulsion polymerization in the presence of the hydrophilized pigment particles. The ink essentially contains the MCP and water.