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:
Dec. 22, 2015
Filed:
Mar. 10, 2014
Keita Katoh, Shizuoka, JP;
Mitsuru Naruse, Shizuoka, JP;
Akihiko Matsuyama, Shizuoka, JP;
Masayasu Nonogaki, Shizuoka, JP;
Minoru Hakiri, Shizuoka, JP;
Yuusuke Koizuka, Shizuoka, JP;
Kazukiyo Nagai, Shizuoka, JP;
Nobuyuki Sakamoto, Ibaraki, JP;
Yosuke Matsuoka, Ibaraki, JP;
Masatomo Takahashi, Ibaraki, JP;
Keita Katoh, Shizuoka, JP;
Mitsuru Naruse, Shizuoka, JP;
Akihiko Matsuyama, Shizuoka, JP;
Masayasu Nonogaki, Shizuoka, JP;
Minoru Hakiri, Shizuoka, JP;
Yuusuke Koizuka, Shizuoka, JP;
Kazukiyo Nagai, Shizuoka, JP;
Nobuyuki Sakamoto, Ibaraki, JP;
Yosuke Matsuoka, Ibaraki, JP;
Masatomo Takahashi, Ibaraki, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
An inkjet recording ink, including: water; a water-soluble solvent; a pigment; and a phosphate group-containing copolymer, wherein the phosphate group-containing copolymer includes a structural unit represented by the following general formula (1) and a structural unit represented by the following structural formula (1): wherein, in the general formula (1), Rrepresents either of a hydrogen atom and a methyl group; and Mrepresents any of an alkali metal ion, an organic ammonium ion, an organic amine ion and a hydrogen ion, one-half or more of the Min the copolymer is an alkali metal ion, an organic ammonium ion or an organic amine, and the remainder is a hydrogen ion:
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile