The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 2003
Filed:
Jan. 24, 2002
Applicant:
Inventors:
Shinichi Tochihara, Kanagawa, JP;
Shoji Koike, Kanagawa, JP;
Masaaki Hiro, Kanagawa, JP;
Koromo Shirota, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/01 ; C09D 1/100 ;
U.S. Cl.
CPC ...
B41J 2/01 ; C09D 1/100 ;
Abstract
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.
Tochihara, Shinichi. (2003). Aqueous ink, organic pigment powder, ink cartridge, recording unit and ink-jet recording apparatus (U.S. Patent No. 6619791). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6619791
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile