Patents by Inventor Robert J. Crawford

Robert J. Crawford 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).

  • Halogenation process in the presence of cyanoquinone catalyst
    Patent number: 4368140
    Abstract: Halogenation is carried out regiospecifically in the presence of a cyanoquinone.
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: January 11, 1983
    Assignee: The Procter & Gamble Company
    Inventor: Robert J. Crawford
  • Alpha-sulfoxide and alpha-sulfone carboxyl compounds
    Patent number: 4317779
    Abstract: Alpha-sulfoxide and alpha-sulfone carboxyl compounds useful as detergent surfactants are disclosed. The compounds are particularly effective in removing greasy/oily soils under cold water laundering conditions. Detergent compositions containing the compounds also preferably contain cosurfactants and builder materials.
    Type: Grant
    Filed: August 21, 1980
    Date of Patent: March 2, 1982
    Assignee: The Procter & Gamble Company
    Inventor: Robert J. Crawford
  • Synthesis of 1,4-bis(dicyanomethylene) cyclohexane
    Patent number: 4229364
    Abstract: 1,4-Bis(dicyanomethylene)cyclohexane is the chemical of choice for the synthesis of TCNQ. The present invention provides a simple convenient, three-step synthesis of 1,4-bis(dicyanomethylene)cyclohexane from hydroquinone which uses water as the reaction solvent.
    Type: Grant
    Filed: May 14, 1979
    Date of Patent: October 21, 1980
    Assignee: The Procter & Gamble Company
    Inventor: Robert J. Crawford
  • Halogenation process
    Patent number: 4148811
    Abstract: Halogenation is carried out regiospecifically in the presence of a cyanoquinone.
    Type: Grant
    Filed: July 12, 1977
    Date of Patent: April 10, 1979
    Assignee: The Procter & Gamble Company
    Inventor: Robert J. Crawford