Patents by Inventor Sharon J. Mitchell

Sharon J. Mitchell 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).

  • Liquid detergent composition contains abrasive particles, anionic and nonionic surfactants
    Patent number: 4457856
    Abstract: Abrasive liquid detergent compositions containing an anionic surfactant, a nonionic surfactant and a water-insoluble abrasive are disclosed.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: July 3, 1984
    Assignee: The Procter & Gamble Company
    Inventors: Sharon J. Mitchell, Jonathon Spinner
  • Detergent compositions for effective oily soil removal
    Patent number: 4180472
    Abstract: Compositions and methods for removing oily soils from fabrics involving treatment with specific mixtures of solvents and solvent soluble emulsifiers in an aqueous washing medium. The compositions herein can be employed singly in aqueous washing media to remove oily materials from fabrics or can be admixed with other materials suitable for use in a laundry procedure.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: December 25, 1979
    Assignee: The Procter & Gamble Company
    Inventors: Sharon J. Mitchell, Rodney M. Wise
  • Fabric care compositions containing smectite clay and starch
    Patent number: 4178254
    Abstract: Fabric care compositions are described containing a combination of smectite clay fabric softeners and a gelatinized starch sizing material. The compositions provide a desirable firm, crisp structure with a soft surface to fabrics treated in water dispersions of the composition.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: December 11, 1979
    Assignee: The Procter & Gamble Company
    Inventors: John W. Leikhim, Sharon J. Mitchell
  • Detergent compositions for effective oily soil removal
    Patent number: 4176080
    Abstract: Compositions and methods for removing oily soils from fabrics involving treatment with specific mixtures of solvents and solvent soluble emulsifiers in an aqueous washing medium followed by treatment with specified surface active agents to remove retained solvent from fabrics. The compositions herein can be employed singly in aqueous washing media to remove oily materials from fabrics or can be admixed with other materials suitable for use in a laundry procedure.
    Type: Grant
    Filed: October 3, 1977
    Date of Patent: November 27, 1979
    Assignee: The Procter & Gamble Company
    Inventors: Rodney M. Wise, Sharon J. Mitchell