Patents by Inventor Charles M. Cai

Charles M. Cai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • POLYURETHANES AND METHODS TO PREPARE POLYURETHANES
    Publication number: 20230365740
    Abstract: The invention provides a method of production of biogenic lignin-based polyurethane having soft-segments from the co-polymerization of an organosolv lignin or other low molecular weight lignin and a monomeric polyol. The invention also provides polyurethanes having unique and beneficial properties.
    Type: Application
    Filed: April 26, 2023
    Publication date: November 16, 2023
    Inventors: Charles M. Cai, Yun-Yan Wang, Arthur Ragauskas
  • CO-SOLVENT TO PRODUCE REACTIVE INTERMEDIATES FROM BIOMASS
    Publication number: 20200399722
    Abstract: The disclosure provides a system for production of reactive intermediates from lignocellulosic biomass. The reactive intermediates can be used as platform chemicals for biological conversions or can be further catalytically upgraded to be used as “drop in” reagents for fuels. The disclosure provides methods and compositions useful for processing biomass to biofuels and intermediates.
    Type: Application
    Filed: August 31, 2020
    Publication date: December 24, 2020
    Inventors: Charles M. Cai, Charles E. Wyman, Taiying Zhang, Rajeev Kumar
  • Co-solvent to produce reactive intermediates from biomass
    Patent number: 10774394
    Abstract: The disclosure provides a system for production of reactive intermediates from lignocellulosic biomass. The reactive intermediates can be used as platform chemicals for biological conversions or can be further catalytically upgraded to be used as “drop in” reagents for fuels. The disclosure provides methods and compositions useful for processing biomass to biofuels and intermediates.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: September 15, 2020
    Assignee: The Regents of the University of California
    Inventors: Charles M. Cai, Charles E. Wyman, Taiying Zhang, Rajeev Kumar
  • CO-SOLVENT TO PRODUCE REACTIVE INTERMEDIATES FROM BIOMASS
    Publication number: 20160076112
    Abstract: The disclosure provides a system for production of reactive intermediates from lignocellulosic biomass. The reactive intermediates can be used as platform chemicals for biological conversions or can be further catalytically upgraded to be used as “drop in” reagents for fuels. The disclosure provides methods and compositions useful for processing biomass to biofuels and intermediates.
    Type: Application
    Filed: April 25, 2014
    Publication date: March 17, 2016
    Inventors: Charles M. Cai, Charles E. Wyman, Taiying Zhang, Rajeev Kumar