1
Itaru Tsuji, Shinichi Tochihara, Hiroshi Tomioka, Koichi Osumi, Hiroyuki Takuhara, Minako Kawabe, Hideki Yamakami: Ink jet recording ink, ink jet recording method, ink cartridge, and ink jet recording apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 17, 2007: US07244299 (27 worldwide citation)

An ink jet recording ink comprising at least a copper phthalocyanine dye represented by the following general formula (1) and a compound represented by the following general formula (2):


2
Minako Kawabe, Koichi Osumi, Shinichi Tochihara, Hiroshi Tomioka, Hiroyuki Takuhara, Hideki Yamakami, Itaru Tsuji: Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, April 24, 2007: US07208033 (26 worldwide citation)

An ink comprising yellow colorants and a colorant having a phthalocyanine skeleton, in which the yellow colorants are at least a colorant represented by the following general formula I and C.I. Direct Yellow 132


3
Shinichi Hakamada, Yoichi Takada, Yasuhiro Nito, Masashi Tsujimura, Toshifumi Akasaka, Shinya Mishina: Aqueous ink, ink jet recording method, ink cartridge and ink jet recording apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 28, 2015: US09090789 (3 worldwide citation)

An aqueous ink comprising water, a water-soluble organic solvent and at least two pigments. The aqueous ink is used together with a reaction liquid containing a reactive component that reacts with the aqueous ink to cause aggregation or gelation of the aqueous ink. The at least two pigments have a d ...


4
Hiroshi Kakikawa, Masako Udagawa, Shuichi Okazaki, Yuuhei Shimizu, Hideyuki Takai, Shinichi Hakamada, Kouhei Nakagawa, Hideki Takayama: Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus. Canon Kabushiki Kaisha, Canon U IP Division, September 25, 2012: US08273168 (3 worldwide citation)

An ink contains at least a pigment, wherein the pigment is a solid solution of C.I. Pigment Red 202 and C.I. Pigment Violet 19, and a primary particle diameter D (nm) of the pigment and a 50%-cumulative diameter D50 (nm) in particle diameter distribution of the pigment satisfy a relation of D×0.95≦( ...


5
Tomoya Yamamoto, Suzuka Ueno, Yukiko Tachibana: Ink-jet water-based ink, ink-jet recording method, ink cartridge and ink-jet recording apparatus. Canon Finetech, Fitzpatrick Cella Harper & Scinto, January 27, 2009: US07481525 (1 worldwide citation)

The invention provides an ink-jet water-based ink that can stably record images having high fastness properties and excellent quality over a long period of time even in any case, and further provides an ink-jet recording method, by which images having excellent fastness properties and quality can be ...


6
Tomoya Yamamoto, Suzuka Ueno, Yukiko Tachibana: Ink jet aqueous ink, ink jet recording method, ink cartridge and ink jet recording apparatus. Canon Finetech, Fitzpatrick Cella Harper & Scinto, August 10, 2010: US07771526 (1 worldwide citation)

An ink jet aqueous ink mainly containing a water-insoluble coloring material, a water-soluble organic solvent, an auxiliary ingredient and water is characterized by containing as an auxiliary ingredient at least one ethylene oxide adduct of an ester of cholesterin, lanosterin or agnosterin and a hyd ...


7
Masako Udagawa, Shuichi Okazaki, Hiroshi Kakikawa, Yuuhei Shimizu, Shinichi Hakamada, Hideyuki Takai: Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus. Canon Kabushiki Kaisha, Canon U IP Division, July 10, 2012: US08216355 (1 worldwide citation)

An ink contains at least a pigment, wherein the pigment is C.I. Pigment Red 282, and a primary particle diameter D (nm) of the pigment and a 50%-cumulative diameter D50 (nm) in particle diameter distribution of the pigment satisfy a relation of D×0.95≦D50≦150, and a 90%-cumulative diameter D90 (nm) ...


8
Udagawa Masako, Okazaki Shuichi, Kakikawa Hiroshi, Shimizu Yuuhei, Hakamada Shinichi, Takai Hideyuki: Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus. Canon, August 11, 2010: EP2216374-A1 (1 worldwide citation)

An ink contains at least a pigment, wherein the pigment is C.I. Pigment Red 282, and a primary particle diameter D (nm) of the pigment and a 50%-cumulative diameter D50 (nm) in particle diameter distribution of the pigment satisfy a relation of D0.95 D50 150, and a 90%-cumulative diameter D90 (nm) i ...


9
Hiroshi Kakikawa, Masako Udagawa, Shuichi Okazaki, Yuuhei Shimizu, Hideyuki Takai, Shinichi Hakamada, Kouhei Nakagawa, Hideki Takayama: Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus. Canon Kabushiki Kaisha, Canon U IP Division, April 29, 2014: USRE044863

An ink contains at least a pigment, wherein the pigment is a solid solution of C.I. Pigment Red 202 and C.I. Pigment Violet 19, and a primary particle diameter D (nm) of the pigment and a 50%-cumulative diameter D50 (nm) in particle diameter distribution of the pigment satisfy a relation of D×0.95≦( ...


10
Junko Chizuwa, Tomoya Yamamoto, Takayuki Ookawa, Suzuka Ueno: Pigment dispersion liquid, ink jet recording ink, ink jet recording method, ink cartridge and ink jet recording apparatus. Canon Finetech, Fitzpatrick Cella Harper & Scinto, October 25, 2011: US08043423

A pigment dispersion liquid capable of stably recording images having high fastness and excellent quality for a long term in any cases has been provided. A pigment dispersion liquid mainly containing a polymer dispersant, a pigment and water, wherein the polymer dispersant is a copolymer comprised o ...