Patents by Inventor Dawn Lock

Dawn Lock 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).

  • Treatment of non-trans fats, fatty acids and sunscreen stains with a chelating agent
    Patent number: 8759272
    Abstract: The invention relates to methods and compositions for treating non-trans fats, fatty acids and sunscreen stains with a chelating agent. The invention also relates to methods for reducing the frequency of laundry fires with a chelating agent.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: June 24, 2014
    Assignee: Ecolab USA Inc.
    Inventors: Victor F. Man, Yvonne M. Killeen, Stephen B. Christensen, Joanna A. Pham, Dawn Lock
  • Treatment of non-trans fats, fatty acids and sunscreen stains with a chelating agent
    Patent number: 8361950
    Abstract: The invention relates to methods and compositions for treating non-trans fats, fatty acids and sunscreen stains with a chelating agent. The invention also relates to methods for reducing the frequency of laundry fires with a chelating agent.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: January 29, 2013
    Assignee: Ecolab USA Inc.
    Inventors: Victor F. Man, Yvonne M. Killeen, Stephen B. Christensen, Joanna A. Pham, Dawn Lock
  • Laundry composition for treatment of sunscreen stains based on extended chain nonionic surfactants
    Patent number: 8314057
    Abstract: The invention discloses synergistic combinations of surfactants blends and cleaning composition. In certain embodiments a surfactant system is disclosed which includes extended anionic surfactants, linker surfactants, and a multiply charged cation component. This system forms emulsions with, and can remove greasy and oily stains, even those comprised of non-trans fats. In another embodiment anionic surfactants are combined with a solvent, and amine oxide to remove sunscreen stains. The compositions may be used alone, as a pre-spotter or other pre-treatment or as a part of a soft surface or hard surface cleaning composition.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: November 20, 2012
    Assignee: Ecolab USA Inc.
    Inventors: Stephen B. Christensen, Joanna A. Pham, Victor Fuk-Pong Man, Michael Charles DeNoma, Yvonne Marie Killeen, Steven Eugene Lentsch, Dawn Lock