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. 15, 2022
Filed:
Aug. 25, 2016
Applicant:
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Inventors:
Gaku Fujihashi, Tokyo, JP;
Shingo Hosoda, Tokyo, JP;
Kenichiro Nishida, Tokyo, JP;
Syunsuke Suma, Tokyo, JP;
Assignee:
SUMITOMO OSAKA CEMENT CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 8/27 (2006.01); A61Q 17/04 (2006.01); A61K 8/04 (2006.01); C01G 9/02 (2006.01);
U.S. Cl.
CPC ...
A61K 8/27 (2013.01); A61K 8/04 (2013.01); A61Q 17/04 (2013.01); C01G 9/02 (2013.01); C01P 2004/51 (2013.01); C01P 2004/54 (2013.01); C01P 2004/62 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01); C01P 2006/22 (2013.01); C01P 2006/40 (2013.01);
Abstract
Zinc oxide powder of the present invention contains zinc oxide particles, in which primary particles of the zinc oxide particles have a minor axis of 35 nm or more and 350 nm or less and have a Heywood diameter of 35 nm or more and 400 nm or less, and a coefficient of variation of a number distribution of the Heywood diameters of the primary particles of the zinc oxide powder is 50% or less.