1
Kumiko Mafune, Tsuyoshi Eida, Keiichi Murai, Yoshifumi Hattori, Mayumi Yamamoto, Osamu Nishiwaki, Yoshihisa Takizawa, Takao Yamamoto, Akira Nagashima, Masahiko Tonogaki, Shinichi Sato, Ryuji Katsuragi, Mikio Sanada, Hisashi Teraoka, Eriko Saito: Ink, and ink-jet recording method and instrument using the same. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, September 19, 1995: US05451251 (85 worldwide citation)

Disclosed herein is an ink comprising a coloring material and a liquid medium dissolving the coloring material therein, wherein the ink comprises a dye having at least one ammonium ion as a counter ion and an ammonium salt of an inorganic or organic acid.


2
Kumiko Mafune, Mayumi Yamamoto, Akira Nagashima, Mikio Sanada, Eriko Saito: Ink-jet ink. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 5, 1996: US05571313 (72 worldwide citation)

Disclosed herein is an ink-jet ink comprising in combination at least one compound selected from nitrogen compounds consisting of secondary amines and derivatives thereof, tertiary amines and derivative thereof, and complexes thereof and having at least one group selected from the group consisting o ...


3
Yutaka Kurabayashi, Yoshifumi Hattori, Mayumi Yamamoto, Yoshihisa Takizawa, Shinya Mishina, Shinichi Sato, Mikio Sanada, Katsuhiko Takahashi, Eriko Ono, Masashi Ogasawara: Ink-jet recording process using liquid formulation and ink in combination. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, February 22, 2000: US06027210 (67 worldwide citation)

Provided is an ink-jet recording process for forming a color image on a recording medium using a liquid formulation and a color ink in combination, wherein the liquid formulation contains a cationic polymer having a weight-average molecular weight in the range of from 400 to 1,400, and the liquid fo ...


4
Shinya Mishina, Shinichi Sato, Mikio Sanada, Koichi Osumi: Ink, ink set, ink cartridge, printing unit, image printing apparatus, ink-jet printing method, and coloring material. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, January 28, 2003: US06511534 (65 worldwide citation)

An ink is provided which is capable of giving higher density of the printed image and has improved color developability with the light fastness and image stability maintained, and suppressing occurrence of bleeding in color image formation. The ink contains a capsuled coloring material constituted o ...


5
Koichi Osumi, Yoshifumi Hattori, Yoshihisa Takizawa, Shinya Mishina, Mikio Sanada, Hisashi Teraoka, Yuko Yakushigawa: Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, December 25, 2001: US06332919 (57 worldwide citation)

Provided is a black ink capable of mitigating the dependency on image quality of recording media and giving a high quality image stably, which comprises at least one salt selected from the group consisting of (M1)


6
Koichi Osumi, Yoshifumi Hattori, Yoshihisa Takizawa, Shinya Mishina, Mikio Sanada, Hisashi Teraoka, Yuko Yakushigawa: Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, August 28, 2001: US06280513 (57 worldwide citation)

Provided is a black ink capable of mitigating the dependency on image quality of recording media and giving a high quality image stably, which comprises at least one salt selected from the group consisting of (M1)


7
Yoichi Takada, Yoshihisa Takizawa, Shinya Mishina, Mikio Sanada, Hisashi Teraoka, Koichi Osumi: Ink, ink-jet recording process, recording unit, ink cartridge and ink-jet recording apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, April 24, 2001: US06221141 (57 worldwide citation)

Disclosed herein is a pigment ink comprising self-dispersing type carbon black to the surface of which at least one hydrophilic group is bonded through another atomic group, an aqueous medium, and a silicon compound. The pigment ink can form images excellent in fastness properties such as water fast ...


8
Yui Tokuda, Mikio Sanada, Yoshihisa Takizawa, Masashi Ogasawara, Tomonari Watanabe, Takashi Imai, Yasuhiro Nito, Tetsu Iwata, Shinichi Hakamada, Sadayuki Sugama: Aqueous ink, ink-jet recording method, ink cartridge, recording unit, ink-jet recording apparatus and image forming method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, October 2, 2007: US07276112 (51 worldwide citation)

Disclosed is an aqueous ink comprising at least water, a plurality of water-soluble organic solvents and a coloring material. The coloring material is a pigment, and, it contains a pigment particle having at least one ionic group bonded to a surface of the pigment particle directly or via another at ...


9
Koichi Osumi, Shinya Mishina, Mikio Sanada, Hisashi Teraoka: Ink, ink-jet recording process, recording unit, ink cartridge and ink-jet recording apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, April 23, 2002: US06375317 (50 worldwide citation)

An ink comprising particles of self-dispersing carbon black having at least one hydrophilic group at the surface thereof, and calcium in an aqueous medium. The ink can form images excellent in fastness properties such as water fastness and light fastness and character quality, and can be stably ejec ...


10
Mikio Sanada, Yoshihisa Takizawa, Katsuhiko Takahashi, Masashi Ogasawara, Yoichi Takada, Tomonari Watanabe, Yui Tokuda: Aqueous ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, February 28, 2006: US07005461 (49 worldwide citation)

The present invention relates to an aqueous ink, particularly an aqueous ink suitable for ink jet recording. The ink is an aqueous ink comprising a modified pigment having organic groups chemically attached to the surface of a particle of the pigment and an aqueous medium which is a dispersant of th ...