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. 01, 2011
Filed:
Aug. 12, 2005
Masahiro Nakamura, Nagano, JP;
Seiji Mochizuki, Nagano, JP;
Makoto Otsuki, Nagano, JP;
Yukio Sugita, Kanagawa, JP;
Shinichi Yoshimitsu, Kanagawa, JP;
Masahiro Nakamura, Nagano, JP;
Seiji Mochizuki, Nagano, JP;
Makoto Otsuki, Nagano, JP;
Yukio Sugita, Kanagawa, JP;
Shinichi Yoshimitsu, Kanagawa, JP;
Seiko Epson Corporation, Tokyo, JP;
The Inctec Inc., Yokohama-Shi, JP;
Abstract
The present invention relates to an ink jet ink which is an oil-based white ink for ink jet recording containing (a) titanium oxide having an average particle size of 0.15 to 0.25 μm, (b) a resin, (c) an organic solvent and (d) a nonionic surfactant, wherein the nonionic surfactant comprises at least one member selected from polyoxyethylene alkyl ethers and polyoxyethylene phenyl ethers. According to the invention, there can be provided an oil-based white ink for ink jet recording which is excellent in ejection stability and in recovery properties after standing for a long period of time.