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. 24, 2006
Filed:
Jul. 16, 2003
Yukio Sugita, Kanagawa, JP;
Mitsuyoshi Tamura, Kanagawa, JP;
Masahiro Nakamura, Nagano-Ken, JP;
Seiji Mochizuki, Nagano-Ken, JP;
Makoto Otsuki, Nagano-Ken, JP;
Yukio Sugita, Kanagawa, JP;
Mitsuyoshi Tamura, Kanagawa, JP;
Masahiro Nakamura, Nagano-Ken, JP;
Seiji Mochizuki, Nagano-Ken, JP;
Makoto Otsuki, Nagano-Ken, JP;
The Intec Inc., Tokyo, JP;
Seiko Epson Corporation, Kanagawa, JP;
Abstract
An oil-based ink composition for ink jet recording of the present invention contains a colorant and at least 50% by weight of a mixed solvent made by mixing from 0.02 to 4 parts by weight of a lactone-type solvent with 1 part by weight of polyoxyethylene glycol dialkyl ether represented by the following general formula (1):R—(OCH)—OR  General Formula (1)(wherein R, Rrepresent alkyl groups having from 1 to 3 carbon atoms and can be the same or different, and n is an integer from 2 to 4). The oil-based ink composition can be suitably used for printing on a polyvinyl chloride substrate and is excellent in all of print quality, printing stability, dry characteristics of printed matter, and storage stability of ink.