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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.:

US 12269007 B1

PDFFull Text
Date of Patent:
Apr. 08, 2025

Filed:

Feb. 08, 2022

Activated carbon fiber sheet for motor vehicle canister

Applicant:

Nippon Paper Industries Co., Ltd., Tokyo, JP;

Inventors:

Daisuke Imai, Tokyo, JP;

Yoshihide Watanabe, Tokyo, JP;

Yuu Takata, Tokyo, JP;

Shunsuke Ozawa, Tokyo, JP;

Chie Yoshida, Tokyo, JP;

Assignee:

NIPPON PAPER INDUSTRIES CO., LTD., Tokyo, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Anthony R Shumate

Int. Cl.
CPC ...
B01D 53/22 (2006.01); B01D 53/04 (2006.01); B01J 20/20 (2006.01); B01J 20/28 (2006.01); C01B 32/30 (2017.01); D01F 9/16 (2006.01); D06C 7/04 (2006.01); F02M 25/08 (2006.01);
U.S. Cl.
CPC ...
B01J 20/20 (2013.01); B01D 53/0415 (2013.01); B01J 20/28011 (2013.01); B01J 20/28035 (2013.01); B01J 20/28066 (2013.01); B01J 20/28071 (2013.01); B01J 20/28073 (2013.01); B01J 20/28076 (2013.01); C01B 32/30 (2017.08); D01F 9/16 (2013.01); D06C 7/04 (2013.01); B01D 2253/102 (2013.01); B01D 2253/25 (2013.01); B01D 2253/304 (2013.01); B01D 2253/306 (2013.01); B01D 2253/308 (2013.01); B01D 2253/311 (2013.01); B01D 2259/4516 (2013.01); B01J 2220/42 (2013.01); B01J 2220/66 (2013.01); D10B 2401/10 (2013.01); D10B 2505/12 (2013.01); F02M 25/0854 (2013.01); F02M 2200/9046 (2013.01);
Abstract

An object is to provide an adsorbent using activated carbon fiber, the adsorbent being suitable for motor vehicle canisters and enabling reduction in pressure loss. An activated carbon fiber sheet for a motor vehicle canister fulfils the following conditions (1) to (4). (1) The sheet has a specific surface area ranging from 1100 to 2300 m/g. (2) The sheet has a density ranging from 0.010 to 0.200 g/cmor less. (3) The sheet has a thickness ranging from 0.1 to 100.00 mm. (4) The sheet has a fiber size of 13.0 μm or larger.

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