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:
Dec. 20, 2005
Filed:
Sep. 30, 2003
Shinichi Sato, Kanagawa, JP;
Yuko Sato, Kanagawa, JP;
Yuko Takada, Kanagawa, JP;
Yoshihide Aikawa, Kanagawa, JP;
Shinichi Sato, Kanagawa, JP;
Yuko Sato, Kanagawa, JP;
Yuko Takada, Kanagawa, JP;
Yoshihide Aikawa, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An aqueous ink comprises a phthalocyanine dye represented by a general formula (I) and an aqueous medium, wherein the phthalocyanine dye does not contain a component of x+y=2 but at least contains components of x+y=3 and x+y=4, the content of the component of x+y=4 is larger than the content of the component of x+y=3, and the aqueous medium contains an amine compound having a vapor pressure of 0.01 mmHg or higher at 20-25° C.:wherein CuPc represents a copper phthalocyanine residue; x represents 1, 2, 3 or 4 and y represent 0, 1, 2 or 3.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile