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.

Date of Patent:
Mar. 25, 2025

Filed:

Jun. 18, 2019
Applicants:

Ad'all Co., Ltd., Kyoto, JP;

Unitika Ltd., Hyogo, JP;

Osaka Gas Chemicals Co., Ltd., Osaka, JP;

Inventors:

Tomoyasu Nakano, Kyoto, JP;

Hirokazu Shimizu, Kyoto, JP;

Keiji Sakai, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/20 (2006.01); B01J 20/30 (2006.01); C01B 32/336 (2017.01); C02F 1/28 (2023.01); C02F 101/36 (2006.01);
U.S. Cl.
CPC ...
C02F 1/283 (2013.01); B01J 20/20 (2013.01); B01J 20/30 (2013.01); C01B 32/336 (2017.08); C02F 2101/36 (2013.01); C02F 2303/185 (2013.01);
Abstract

There is provided an activated carbon having a high total trihalomethane filtration capacity, even in water treatment by passing water at a high superficial velocity (SV). In the activated carbon of the present invention, a pore volume A (cc/g) of pores with a size of 1.0 nm or less, of pore volumes calculated by the QSDFT method, is 0.300 cc/g or more, and elemental vanadium and/or a vanadium compound is contained.


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