Patent · US Active

Carbonaceous material, method for producing same, filter for water purification and water purifier

US12258276B2 · kind B2 · utility

0Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 22, 2020
Grant dateMar 25, 2025
Priority date
Expiry dateFeb 25, 2042

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2101/322
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

One aspect of the present invention relates to a carbonaceous material which has a benzene adsorption of 25 to 40% and a vitamin B12 adsorption of 13.0 to 50.0 mg/g, while having a pore volume of mesopores of 0.070 to 0.150 cm3/g as calculated from a nitrogen adsorption isotherm by means of a BJH method.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.