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US 8,945,826 B2Granted
Heat-stable carbonic anhydrases and their use
AssigneesNovozymes A/S, Novozymes North America, Inc.
InventorsMartin Borchert, Paria Saunders
Life of this patent
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Abstract
The present invention relates to use of Caminibacter carbonic anhydrase in CO2 extraction, e.g., from flue gas, natural gas, biogas or ambient air. The Caminibacter carbonic anhydrases are especially well suited for these purpose due to their extreme thermostability.
Claims20
A process for extracting carbon dioxide comprising treating a carbon dioxide-containing medium with a carbonic anhydrase, wherein the carbonic anhydrase is a polypeptide which is at least 80% identical to amino acid residues 28 to 259 or 36 to 259 of SEQ ID NO:
- 2, or at least 80% identical to amino acid residues 23 to 243 of SEQ ID NO:
- 13.
Dependencies are inferred from the claim text.