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US 8,476,388 B2Granted
Polymeric acid catalysts and uses thereof
AssigneeMidori Renewables, Inc.
InventorsJohn M. Geremia, Brian M. Baynes, Ashish Dhawan
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Abstract
Polymers useful as catalysts in non-enzymatic saccharification processes are provided. Provided are also methods for hydrolyzing cellulosic materials into monosaccharides and/or oligosaccharides using these polymeric acid catalysts.
Claims25
A method for degrading biomass into one or more sugars, comprising:
- a) providing biomass;
- b) contacting the biomass with a polymer and a solvent to form a reaction mixture,
- wherein the polymer comprises acidic monomers and ionic monomers connected to form a polymeric backbone, wherein each acidic monomer comprises at least one Bronsted-Lowry acid, and wherein each ionic monomer independently comprises at least one nitrogen-containing cationic group or at least one phosphorous-containing cationic group;
- and
- c) degrading the biomass in the reaction mixture to produce a liquid phase and a solid phase, wherein the liquid phrase comprises one or more sugars, and wherein the solid phase comprises residual biomass.
2 more elements
Dependencies are inferred from the claim text.