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. 24, 2013
Filed:
Dec. 02, 2010
Hidefumi Iwasa, Yokohama, JP;
Shigeo Kiso, Yokohama, JP;
Terunobu Saitoh, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
Provided are an organic solvent dispersion of titanium oxide containing at least titanium oxide fine particles each having an average primary particle diameter of 3 nm or more to 50 nm or less; a titanate-based surface treatment agent formed of a compound represented by the following general formula (1):(RO)—Ti—X  (1)where Rrepresents a methyl, ethyl, or isopropyl group; X represents —O—SO—Ror —O—P(OH)O—O—PHO—O—R; Rrepresents an alkyl or aryl group having 1 to 16 carbon atoms; m represents a numerical value of 1 or more to 3 or less, and n represents a numerical value of 1 or more to 3 or less, provided that m+n=4; a polyether-based dispersant; and an alcohol-based solvent, and an optical material containing the organic solvent dispersion of titanium oxide and a resin.