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:
Dec. 01, 2020
Filed:
Feb. 24, 2016
Applicant:
Dexerials Corporation, Tokyo, JP;
Inventors:
Masato Hasegawa, Tokyo, JP;
Ryu Shimada, Tokyo, JP;
Assignee:
DEXERIALS CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/56 (2006.01); C02F 1/52 (2006.01); C02F 11/14 (2019.01); B01J 20/24 (2006.01); C02F 1/64 (2006.01); C02F 101/10 (2006.01); C02F 101/14 (2006.01); C02F 101/20 (2006.01); C02F 101/22 (2006.01);
U.S. Cl.
CPC ...
C02F 1/56 (2013.01); B01J 20/24 (2013.01); C02F 1/52 (2013.01); C02F 1/5263 (2013.01); C02F 1/64 (2013.01); C02F 11/14 (2013.01); C02F 2101/103 (2013.01); C02F 2101/14 (2013.01); C02F 2101/20 (2013.01); C02F 2101/203 (2013.01); C02F 2101/22 (2013.01);
Abstract
Provided is a filtration aid used when filtering, for example, sludge generated in a purification treatment process for water such as industrial wastewater and including a pulverized product ofwherein a median diameter of the pulverized product is 150 micrometers or greater.