MUMBAI, India, Sept. 14 -- Intellectual Property India has published a patent application (202617060457 A) filed by Climeworks AG on May 12, 2026, for Sorbent Materials For Co2 Capture, Uses Thereof And Methods For Making Same.
Inventors include Yoshida, Tomohide; Gropp, Cornelius; Traeger, Hanna; and Baettig, Julia.
The application for the patent was published on September 11, 2026, under issue no. 37/2026.
Abstract: Sorbent material capable of reversibly binding carbon dioxide, for separating gaseous carbon dioxide from a gas mixture, preferably from at least one of ambient atmospheric air (1), flue gas and biogas, preferably for direct air capture, in particular using a temperature, vacuum, or temperature/vacuum swing process, wherein said sorbent material (3) is a particulate copolymeric material based on at least one of amino mono allyl and amino mono vinyl monomeric building blocks or precursors thereof copolymerized and cross-linked with divinyl building blocks, wherein the at least one of amino mono allyl and amino mono vinyl monomeric building blocks or precursors thereof are non-aromatic monomeric building blocks with 2 - 4 carbon atoms, and wherein the molar proportion of the divinyl building blocks to the sum of the divinyl building blocks and the at least one of amino mono allyl and amino mono vinyl monomeric building blocks or precursors thereof and, if present, further building blocks, is in the range of 10-20%.
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