Patents by Inventor Winthrop D. Bellamy

Winthrop D. Bellamy 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).

  • Production of ethanol from cellulose using a thermophilic mixed culture
    Patent number: 4094742
    Abstract: A mixed culture of thermophilic cellulolytic sporocytophaga and thermophilic ethanol-producing bacillus is admixed with a suspension of cellulose in nutrient mineral broth and the resulting mixture is fermented at a pH ranging from 7 to 8 and at a temperature of 50.degree. C to 65.degree. C to produce ethanol.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: June 13, 1978
    Assignee: General Electric Company
    Inventor: Winthrop D. Bellamy
  • Decrystallization of cellulose
    Patent number: 4058411
    Abstract: A method for decrystallizing cellulose in natural cellulosic material which comprises admixing phosphoric acid with the cellulosic material to form a gel therewith, admixing tetrahydrofuran with the gel to extract the phosphoric acid forming a solution therewith and a precipitate of amorphous cellulose and recovering tetrahydrofuran and phosphoric acid from the solution for reuse in the process.
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: November 15, 1977
    Assignee: General Electric Company
    Inventors: Winthrop D. Bellamy, Fred F. Holub