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. 21, 2010
Filed:
Jan. 24, 2006
Hideyuki Ikoma, Yokohama, JP;
Yusuke Kobayashi, Yokohama, JP;
Hideyuki Ikoma, Yokohama, JP;
Yusuke Kobayashi, Yokohama, JP;
Mitsubishi Pencil Co., Ltd., Shinagawa-Ku, Tokyo, JP;
Abstract
Provided is a water-based ink composition for a writing instrument comprising at least a colorant and water, characterized by comprising an alkylene oxide-added glycerin ester in which a principal skeleton is glycerin and 60 to 150 moles of alkylene oxide is added thereto and in which the glycerin is ester-bonded with a carboxylic acid-containing substance in an amount of 0.1 to 30% by weight based on the total amount of the ink composition.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile