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:
Nov. 06, 2012
Filed:
Jul. 07, 2010
Mariko Kojima, Komae, JP;
Tomohiro Inoue, Yokohama, JP;
Akihiko Gotoh, Atsugi, JP;
Michihiko Namba, Yokohama, JP;
Hisashi Habashi, Isehara, JP;
Akiko Bannai, Tokyo, JP;
Kiyofumi Nagai, Machida, JP;
Mariko Kojima, Komae, JP;
Tomohiro Inoue, Yokohama, JP;
Akihiko Gotoh, Atsugi, JP;
Michihiko Namba, Yokohama, JP;
Hisashi Habashi, Isehara, JP;
Akiko Bannai, Tokyo, JP;
Kiyofumi Nagai, Machida, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
The object of the invention to provide a recording ink with excellent discharge stability and storage stability, which rapidly penetrates into a recording medium and forms a coating, and which will never generate smearing upon high-speed printing or double-sided printing, and which excels in marker resistance, and which enables high quality image recording with less bleeding, and the ink cartridge, the ink record, the inkjet recording apparatus, and the inkjet recording method using the recording ink. The recording ink containing at least water, a colorant, a resin fine-particle, a water-soluble organic solvent and a penetrant, in which the penetrant is a diol compound whose carbon number is 7 to 11 and the resin fine-particle is a silicone modified acrylic resin not containing a hydrolyzable silyl group.