Fitzpatrick, Cella, Harper & Scinto
Aqueous ink, organic pigment powder, ink cartridge, recording unit and ink-jet recording apparatus
Aqueous pigment ink and organic pigment powder are used for ink-jet recording to form high quality images. Organic pigment powder is prepared by finely granulating an organic pigment containing anthraquinone as principal ingredient by means of a vapor phase method to such an extent that the produced powder shows a number average particle diameter of primary particles of 10 to 50 nm. An aqueous ink contains such organic pigment powder.
Canon Kabushiki Kaisha
C C
C09D C09B
inventional inventional
Shinichi Masaaki Shoji Koromo
Tochihara Hiro Koike Shirota