Patents by Inventor Shelley L. Dauderman

Shelley L. Dauderman 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).

  • Patent number: 5587356
    Abstract: Low cost, effective aqueous heavy duty liquid laundry detergent compositions are provided. Such compositions contain relatively low levels of an anionic/nonionic-based suffactant system along with a protease-containing enzyme component, a low-cost viscosity-enhancing agent and relativly large amounts of water. The anionic component of the surfactant system comprises a combination of alkyl sulfate and alkyl ether sulfate. The nonionic component of the suffactant system comprises fatty alcohol ethoxylates. Only minimal amounts of other detergent composition adjuvants are permitted in such compositions.
    Type: Grant
    Filed: April 3, 1995
    Date of Patent: December 24, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Shelley L. Dauderman, Linda C. McWilliams, Hari A. Nair, Gary G. Staud
  • Patent number: 5565135
    Abstract: Low cost, effective aqueous heavy duty liquid laundry detergent compositions are provided. Such compositions contain relatively low levels of an anionic/nonionic-based surfactant system along with a protease-containing enzyme component and relatively large amounts of water. The anionic component of the surfactant system comprises a combination of alkyl sulfate and alkyl ether sulfate. The nonionic component of the surfactant system comprises fatty alcohol ethoxylates. Only minimal amounts of other detergent composition adjuvants are permitted in such compositions.
    Type: Grant
    Filed: January 24, 1995
    Date of Patent: October 15, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Shelley L. Dauderman, Linda C. McWilliams, Hari A. Nair, Gary G. Staud