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:
May. 21, 2013
Filed:
Dec. 18, 2008
Michihiko Namba, Kanagawa, JP;
Naoya Morohoshi, Shizuoka, JP;
Tohru Ohshima, Kanagawa, JP;
Akihiko Gotoh, Kanagawa, JP;
Kiyofumi Nagai, Tokyo, JP;
Michihiko Namba, Kanagawa, JP;
Naoya Morohoshi, Shizuoka, JP;
Tohru Ohshima, Kanagawa, JP;
Akihiko Gotoh, Kanagawa, JP;
Kiyofumi Nagai, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An ink-jet recording ink including water, a water-soluble organic solvent, a pigment as a colorant (B), and at least one fluorochemical surfactant selected from compounds represented by Structural Formula (1) below, Structural Formula (1) where Rdenotes any one of a hydrogen atom, an alkyl group and a perfluoroalkyl group, Rdenotes any one of a hydrogen atom, an alkyl group and a fluorine-containing group, Rf denotes a fluorine-containing group, and m and n each denote an integer of 1 or greater.