Patent · US Active

Carbon dioxide sorbents

US8470074B2 · kind B2 · utility

38Cited by

11References

14Claims

0Family size

Assignee

EXXONMOBIL RESEARCH AND ENGINEERING COMPANY · US

Inventors

Lisa Saunders Baugh · Ringoes, US
David C. Calabro · Bound Brook, US
Quanchang Li
Enock Berluche · Phillipsburg, US

Key dates

Filing date	Dec 20, 2010
Grant date	Jun 25, 2013
Priority date	—
Expiry date	Jun 14, 2031

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.