US 11,944,933 B2
Tunable, rapid uptake, aminopolymer aerogel sorbent for direct air capture of CO2
Mahati Chintapalli, Mountain View, CA (US); Stephen Meckler, Boulder, CO (US); Gabriel Iftime, Newark, CA (US); Rahul Pandey, Cupertino, CA (US); Mary Louie, Menlo Park, CA (US); and Eugene Shin Ming Beh, Menlo Park, CA (US)
Assigned to XEROX CORPORATION, Norwalk, CT (US)
Filed by PALO ALTO RESEARCH CENTER INCORPORATED, Palo Alto, CA (US)
Filed on Dec. 21, 2022, as Appl. No. 18/069,549.
Application 18/069,549 is a continuation of application No. 17/211,588, filed on Mar. 24, 2021, granted, now 11,612,852.
Claims priority of provisional application 63/031,098, filed on May 28, 2020.
Prior Publication US 2023/0126616 A1, Apr. 27, 2023
Int. Cl. B01J 20/26 (2006.01); B01D 53/02 (2006.01); B01D 53/14 (2006.01); B01J 13/00 (2006.01); B01J 20/28 (2006.01); C08F 8/00 (2006.01); C08J 3/24 (2006.01); C08J 9/28 (2006.01)
CPC B01D 53/14 (2013.01) [B01J 13/0065 (2013.01); B01J 13/0091 (2013.01); B01J 20/264 (2013.01); C08J 3/24 (2013.01); B01D 2253/202 (2013.01); B01D 2253/311 (2013.01); B01D 2257/504 (2013.01); B01J 20/28057 (2013.01); B01J 20/28069 (2013.01); C08J 2205/026 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A primary amine polymer aerogel comprising greater than 5 wt. % of primary amine monomers covalently bound to cross-linking monomers, wherein the primary amine monomers are selected from vinyl amine.