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. 09, 2025
Filed:
Aug. 11, 2020
Futamura Kagaku Kabushiki Kaisha, Nagoya, JP;
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Nobuyoshi Yamashita, Tsukuba, JP;
Sachi Taniyasu, Tsukuba, JP;
Tsutomu Kousaka, Aichi, JP;
Makoto Yokoi, Minokamo, JP;
Chiharu Hori, Minokamo, JP;
Kodai Shimamura, Minokamo, JP;
Takuya Asano, Minokamo, JP;
FUTAMURA KAGAKU KABUSHIKI KAISHA, Nagoya, JP;
NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, Tokyo, JP;
Abstract
[SUMMARY] [OBJECT] To provide a per- and polyfluoroalkyl compound-adsorbing activated carbon having a high collection rate of per- and polyfluoroalkyl compounds in an atmospheric sample, and a filter body using the same. [ACHIEVING MEANS] A per- and polyfluoroalkyl compound-adsorbing activated carbon for desorbably adsorbing per- and polyfluoroalkyl compounds in an atmospheric sample, the activated carbon including an activated carbon adsorbent having a BET specific surface area of 900 m/g or more, a sum (V) of a volume of micropores of 1 nm or less of 0.35 cm/g or more, a sum (V) of a volume of mesopores of 2 to 60 nm of 0.02 cm/g or more, a volume difference (V) between the micropore volume (V) and the mesopore volume (V) of 0.45 or more, and a surface oxide amount of 0.10 meq/g or more.