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. 09, 2021
Filed:
Dec. 27, 2016
Applicant:
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Inventor:
Teppei Yakubo, Tokyo, JP;
Assignee:
SUMITOMO OSAKA CEMENT CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 23/053 (2006.01); A61K 8/29 (2006.01); A61Q 1/02 (2006.01); A61K 8/02 (2006.01); A61K 8/04 (2006.01);
U.S. Cl.
CPC ...
C01G 23/053 (2013.01); A61K 8/022 (2013.01); A61K 8/0245 (2013.01); A61K 8/04 (2013.01); A61K 8/29 (2013.01); A61Q 1/02 (2013.01); A61K 2800/412 (2013.01); A61K 2800/413 (2013.01); A61K 2800/436 (2013.01); A61K 2800/61 (2013.01); A61K 2800/651 (2013.01); C01P 2004/03 (2013.01); C01P 2004/45 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01);
Abstract
Metal oxide powder formed of metal oxide particles, in which the metal oxide powder has first metal oxide particles having at least one protrusion portion and second metal oxide particles, the first metal oxide particles have an average primary particle diameter of 100 nm or more and 1,000 nm or less, the second metal oxide particles have an average primary particle diameter of less than 100 nm, and a fraction of a total mass of particles having a primary particle diameter of less than 100 nm in a total mass of the metal oxide powder is 0.3% by mass or more and 10% by mass or less.