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:
Jul. 13, 2010
Filed:
Feb. 01, 2007
Kazumichi Nakahama, Tokyo, JP;
Takayuki Teshima, Yokohama, JP;
Yukio Hanyu, Isehara, JP;
Ryuji Higashi, Kawasaki, JP;
Kazumichi Nakahama, Tokyo, JP;
Takayuki Teshima, Yokohama, JP;
Yukio Hanyu, Isehara, JP;
Ryuji Higashi, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A process for preparing a pigment dispersion, which comprises mixing a first solvent composed of an organic solvent in which a pigment has been dissolved with a second solvent which lowers the solubility of the pigment in the presence of a dispersant, thereby precipitating and dispersing particles of the pigment in a mixed solvent, wherein a pigment derivative to which a hydrophobic substituent having affinity for the first solvent has been bonded is used as the pigment.