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Conversion of lignin into a water-soluble polyacid using a MOF catalyst

United States Patent

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October 13, 2020
View the Complete Patent at the US Patent & Trademark Office
A process for valorization of lignin includes the steps of mixing lignin; a MOF catalyst metalated with a metal atom selected from the group consisting of Fe, Mn, Co, Cu, or Ni, and combinations thereof; an oxidizing agent; and an aqueous solvent. The product of this process, a charged polyacid-containing species derived from lignin, may be included in a dispersion with a dispersible particulate material, and an aqueous dispersing medium.
15/ 452,487
March 7, 2017
C08H 7/00 (20110101)C09D 11/08 (20060101)C09D 11/107 (20140101)B01J 31/16 (20060101)C08L 97/00 (20060101)
STATEMENT OF GOVERNMENTAL INTEREST This invention was developed under contract DE-AC04-94AL85000 between Sandia Corporation and the U.S. Department of Energy. The U.S. Government has certain rights in this invention.