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:
Oct. 18, 2005
Filed:
Sep. 18, 2002
Mamoru Soga, Osaka, JP;
Takatoshi Minoda, Kumamoto, JP;
Hidekazu Arase, Hyogo, JP;
Masaichiro Tatekawa, Osaka, JP;
Mamoru Soga, Osaka, JP;
Takatoshi Minoda, Kumamoto, JP;
Hidekazu Arase, Hyogo, JP;
Masaichiro Tatekawa, Osaka, JP;
Matsushtia Electric Industrial Co., Ltd., Osaka, JP;
Abstract
Changes of ink properties are prevented in an ink jet recording head, an ink cartridge, and a recording apparatus which include ink containing a dye having an anion group, a humectant, a penetrant, water, and a hydrolyzable silane compound having an amino group. Resin or rubber which contains a hydrogen ion releasing additive is used for a member of the apparatus with which ink for ink jet recording comes in contact. The content of the additive in the material is not less than 0.001% by mass and not more than 0.1% by mass. The additive includes at least an acid, a ketone, and a functional group of ester each of which exhibits acidic properties.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile