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:
Nov. 24, 2015
Filed:
Feb. 01, 2011
Tsutomu Yamamoto, Iwaki, JP;
Harunobu Saito, Iwaki, JP;
Mika Onai, Iwaki, JP;
Atsuki Terabe, Iwaki, JP;
Masaru Mikami, Iwaki, JP;
Tsutomu Yamamoto, Iwaki, JP;
Harunobu Saito, Iwaki, JP;
Mika Onai, Iwaki, JP;
Atsuki Terabe, Iwaki, JP;
Masaru Mikami, Iwaki, JP;
Sakai Chemical Industry Co., Ltd., Osaka, JP;
Abstract
Disclosed are titanium dioxide-containing composite particles which can maintain whiteness of natural titanium dioxide even after calcination step, and can provide titanium dioxide-containing composite particles having excellent weather resistance. In each of the composite particles, at least one oxide layer containing silicon oxide and zirconium oxide is provided as coating components of titanium dioxide. That is, provided are composite particles including a base that contains titanium dioxide and at least one oxide layer that contains silicon oxide and zirconium oxide provided on the base, and a method of producing the composite particles.