Invention Grant
- Patent Title: Inkjet recording ink, ink cartridge and inkjet recording method
- Patent Title (中): 喷墨记录油墨,墨盒和喷墨记录方法
-
Application No.: US13419642Application Date: 2012-03-14
-
Publication No.: US08727523B2Publication Date: 2014-05-20
- Inventor: Takashi Tamai , Michihiko Namba , Akihiko Matsuyama
- Applicant: Takashi Tamai , Michihiko Namba , Akihiko Matsuyama
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2011-056937 20110315
- Main IPC: B41J2/01
- IPC: B41J2/01

Abstract:
An inkjet recording ink including: a colorant; surfactant A; surfactant B; a water-soluble organic solvent; and water, wherein the surfactant A is represented by General Formula (1), and the surfactant B is at least one selected from compounds represented by General Formulas (2a) and (2b): where Rf represents CF3, CF2CF3, (CF2)3F or (CF2)4F, X and Y each are an integer of 1 or greater, and X+Y=4 or 5; where R3 and R4 each represent a hydrogen atom or a C1-20 alkyl group, r is a real number of 0 to 7, and s is a real number of 1 to 10, where each of R3 and R4 represents a hydrogen atom or a C1-20 alkyl group, t is a real number of 0 to 7, and u is a real number of 1 to 10.
Public/Granted literature
- US20120236066A1 INKJET RECORDING INK, INK CARTRIDGE AND INKJET RECORDING METHOD Public/Granted day:2012-09-20
Information query
IPC分类: