Patents by Inventor William M. Hearon

William M. Hearon 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).

  • Process of making L-gulono gamma lactone
    Patent number: 4337202
    Abstract: L-gulono gamma lactone is made in a one-step process by the simultaneous hydrolysis and catalytic reduction with hydrogen in acid medium of polyglucuronic acid or a lower alkyl glucuronoside. A use statement--L gulono gamma lactone can be converted chemically or biologically to L-ascorbic acid (vitamin C).
    Type: Grant
    Filed: April 16, 1981
    Date of Patent: June 29, 1982
    Assignee: Boise Cascade Corporation
    Inventors: William M. Hearon, John F. Witte
  • Separating phenols from alkaline pulping spent liquors
    Patent number: 4208350
    Abstract: Phenol, ortho-cresol, meta- and para-cresols, guaiacol, vanillin, acetovanillone and other phenols are separated from alkaline pulping spent liquors by extracting the alkaline liquors with a lower aliphatic alcohol having from 2-5 carbon atoms inclusive, separating the solvent and aqueous phases, and thereafter separating the phenols from the solvent phase.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: June 17, 1980
    Assignee: Boise Cascade Corporation
    Inventors: William M. Hearon, Cheng F. Lo
  • Producing glycine by the reductive amination of glyoxylic acid
    Patent number: 4073804
    Abstract: Glycine is produced by the reductive amination of glyoxylic acid in a reaction mixture comprising glyoxylic acid, ammonia, water and a water-soluble organic solvent for glyoxylic acid, in an atmosphere of hydrogen, using a rhodium hydrogenation catalyst.
    Type: Grant
    Filed: May 4, 1976
    Date of Patent: February 14, 1978
    Assignee: Boise Cascade Corporation
    Inventors: William M. Hearon, Lo C. Fan