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:
May. 10, 2022
Filed:
Aug. 03, 2021
Applicant:
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
SUMITOMO OSAKA CEMENT CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 9/02 (2006.01); A61K 8/27 (2006.01); B82Y 40/00 (2011.01); C09D 1/00 (2006.01);
U.S. Cl.
CPC ...
C01G 9/02 (2013.01); A61K 8/27 (2013.01); A61K 2800/10 (2013.01); B82Y 40/00 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01); C09D 1/00 (2013.01);
Abstract
A zinc oxide powder in which a BET specific surface area of the powder is 8 m/g or more and 65 m/g or less, an apparent specific volume measured by a loose packing method of the powder is 1.0 mL/g or more and 7.5 mL/g or less, and a value indicated by (the apparent specific volume measured by the loose packing method/an apparent specific volume measured by a tapping method), which is obtained by dividing the apparent specific volume (mL/g) measured by the loose packing method by the apparent specific volume (mL/g) measured by the tapping method of the powder, is 1.50 or more and 2.50 or less.