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:
Jul. 23, 2019
Filed:
Oct. 24, 2018
Applicant:
Admatechs Co., Ltd., Miyoshi-shi, JP;
Inventors:
Shinta Hagimoto, Miyoshi, JP;
Nobutaka Tomita, Miyoshi, JP;
Assignee:
ADMATECHS CO., LTD., Miyoshi-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 3/11 (2006.01); C08K 3/36 (2006.01); C08K 9/02 (2006.01); C01B 33/18 (2006.01);
U.S. Cl.
CPC ...
C01B 33/18 (2013.01); C08J 3/11 (2013.01); C08K 3/36 (2013.01); C08K 9/02 (2013.01); C01P 2002/02 (2013.01); C01P 2004/03 (2013.01); C01P 2004/60 (2013.01); C08J 2300/22 (2013.01); C08J 2300/24 (2013.01);
Abstract
A crystalline silica particulate material contains zinc (Zn) in an amount of 1 ppm or more, exhibits a volume average particle diameter of 200 μm or less, and is composed mainly of crystalline silica.