1
Toshiyuki Uemura, Tsukasa Iguchi, Sunao Satake, Hisashi Uraki, Yasuharu Iida: Surface-treated organic pigment and process for the production thereof. Toyo Ink Manufacturing, Wenderoth Lind & Ponack L, July 27, 1999: US05928419 (73 worldwide citation)

A surface-treated organic pigment excellent in initial dispersibility and long-term dispersion stability in water and an organic solvent and free from the coagulation of pigment particles, obtained by reacting a sulfonating agent with an organic pigment dispersed in a solvent in which the organic pi ...


2
Seiji Aida, Tsutomu Fujigamori, Hisashi Uraki, Ichiro Toyoda, Sunao Satake, Seiji Sawada, Yasuharu Iida: Recording fluid for ink-jet printing and process for the production thereof. Toyo Ink Manufacturing, Wenderoth Lind & Ponack, February 10, 1998: US05716435 (34 worldwide citation)

A water-dispersed inkjet recording liquid excellent in water resistance and transparency and also excellent in the property of ejection from a nozzle, containing, as a colorant, a water-based dispersion of an organic pigment (A) having an average particle diameter of 10 to 150 nm (measured by laser ...


3
Hisashi Uraki, Seiji Sawada, Yasuharu Iida, Sunao Satake, Tsutomu Fujigamori, Seiji Aida: Inkjet recording liquid and process for the production thereof. Toyo Ink Manufacturing, Wenderoth Lind & Ponack L, February 29, 2000: US06031024 (23 worldwide citation)

An inkjet recording ink having excellent water resistance and having excellent ejection stability through a nozzle, which ink is obtained by dispersing colorant particles in a water-based liquid, the colorant particles being a product formed by coating each of resin particles having an average parti ...


4
Hisashi Uraki, Ichiro Toyoda, Shigeyuki Ehashi, Seiji Aida, Yasuharu Iida, Seiji Sawada, Akio Sato: Water-based ink-jet recording fluid. Toyo Ink Manufacturing, Oblon Spivak McClelland Maier & Neustadt P C, October 26, 1999: US05972087 (13 worldwide citation)

By use of recording liquid for water based inkjet with pigment and colloidal silica, it is possible to obtain prints print recorded on plain paper with good clearness and high quality and image of the print recorded material with sufficient water resistance and light resistance.


5
Seiji Aida, Tsutomu Fujigamori, Hisashi Uraki, Ichiro Toyoda, Sunao Satake, Seiji Sawada, Yasuharu Iida: Inkjet recording liquid and process for the production thereof. Toyo Ink Manufacturing, Wenderoth Lind & Ponack L, May 22, 2001: US06235099 (7 worldwide citation)

A water-dispersed inkjet recording liquid excellent in water resistance and transparency and also excellent in the property of ejection from a nozzle, containing, as a colorant, a water-based dispersion of an organic pigment (A) which is at least one member selected from the group consisting of a qu ...



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