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.

Date of Patent:
Oct. 12, 2021

Filed:

Jan. 05, 2018
Applicant:

Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;

Inventors:

Tetsuro Itagaki, Tokyo, JP;

Hirokazu Matsushita, Tokyo, JP;

Norito Morishita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 8/06 (2006.01); A61K 8/25 (2006.01); A61K 8/58 (2006.01); A61Q 17/04 (2006.01); A61K 8/27 (2006.01); A61K 8/28 (2006.01);
U.S. Cl.
CPC ...
A61K 8/062 (2013.01); A61K 8/25 (2013.01); A61K 8/27 (2013.01); A61K 8/28 (2013.01); A61K 8/585 (2013.01); A61Q 17/04 (2013.01); A61K 2800/412 (2013.01); A61K 2800/622 (2013.01); A61K 2800/651 (2013.01); A61K 2800/82 (2013.01);
Abstract

In an ultraviolet-shielding particle coated with silicon oxide of the present invention, a surface of the ultraviolet-shielding particle is coated with a silicon oxide coat, at least one functional group selected from the group consisting of an alkyl group, an alkenyl group, and a cycloalkyl group is present on a surface of the silicon oxide coat, and a content of the functional group is 0.0001% by mass or more and 0.30% by mass or less.


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