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. 07, 2004
Filed:
Apr. 18, 2003
Ricoh Company Limited, Tokyo, JP;
Abstract
A pigment dispersion including a pigment; a dispersant; and a dispersion medium including water, wherein the pigment is dispersed in the dispersion medium, wherein the average particle diameter D50 of the pigment is not greater than 50 nm and the standard deviation of the pigment particle diameter distribution thereof is less than the average particle diameter D50. An inkjet ink including the pigment dispersion and at least one of water, a water-soluble organic solvent and a surfactant. A method and apparatus for forming an image using the inkjet ink. An image produced by the image forming method and apparatus.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile