Patent · US Active

Carbon dioxide sorbents

US8598070B1 · kind B1 · utility

20Cited by
11References
7Claims
0Family size

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Inventors

Key dates

Filing dateMay 17, 2013
Grant dateDec 3, 2013
Priority date
Expiry dateMay 17, 2033

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/151
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Improved CO2 sorbents comprised of a mesoporous silica functionalized with a polyamine are obtained by the in-situ polymerization of azetidine. Also included herein are processes utilizing the improved CO2 sorbents wherein CO2 is chemisorbed onto the polyamine portion of the sorbent and the process is thermally reversible.

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