Patents by Inventor Karen Marie Kershner

Karen Marie Kershner 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).

  • Cleaning methods and/or articles for hard surfaces
    Patent number: 6302969
    Abstract: Basic cleaning compositions using toxicologically-acceptable ingredients for cleaning hard surfaces are provided. Compositions safe for use on surfaces which are contacted by food intended for ingestion by humans or lower animals, even when the compositions are incompletely removed from the cleansed surface, are described. Liquid formulations comprising surfactant, such as sodium alkyl sulfate, sodium alkylbenzene sulfonate, etc., and having a pH of above 11.6 are contacted directly onto hard surfaces to remove soil and unwanted deposits. Articles for applying the compositions to hard surfaces by spraying are disclosed.
    Type: Grant
    Filed: April 17, 2001
    Date of Patent: October 16, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Heather Lynn Moster, Brian Joseph Roselle, David Kent Rollins, Karen Marie Kershner
  • Cleaning methods and/or articles for hard surfaces
    Publication number: 20010014655
    Abstract: Basic cleaning compositions using toxicologically-acceptable ingredients for cleaning hard surfaces are provided. Compositions safe for use on surfaces which are contacted by food intended for ingestion by humans or lower animals, even when the compositions are incompletely removed from the cleansed surface, are described. Liquid formulations comprising surfactant, such as sodium alkyl sulfate, sodium alkylbenzene sulfonate, etc., and having a pH of above 11.6 are contacted directly onto hard surfaces to remove soil and unwanted deposits. Articles for applying the compositions to hard surfaces by spraying are disclosed.
    Type: Application
    Filed: April 17, 2001
    Publication date: August 16, 2001
    Applicant: The Procter & Gamble Company
    Inventors: Heather Lynn Moster, Brian Joseph Roselle, David Kent Rollins, Karen Marie Kershner
  • Cleaning sheet
    Patent number: D673745
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: January 1, 2013
    Assignee: The Procter & Gamble Company
    Inventors: David John Pung, Mimi Gizaw Daniel, George Junior Angelo Patrick, Sylvie Marguerite Linneman, Karen Marie Kershner
  • Cleaning sheet
    Patent number: D673746
    Type: Grant
    Filed: June 20, 2012
    Date of Patent: January 1, 2013
    Assignee: The Procter & Gamble Company
    Inventors: David John Pung, Mimi Gizaw Daniel, George Junior Angelo Patrick, Sylvie Marguerite Linneman, Karen Marie Kershner
  • Cleaning sheet
    Patent number: D683094
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: May 21, 2013
    Assignee: The Procter & Gamble Company
    Inventors: David John Pung, Mimi Grizaw Daniel, George Junior Angelo Patrick, Sylvie Marguerite Linneman, Karen Marie Kershner
  • Cleaning sheet
    Patent number: D692631
    Type: Grant
    Filed: May 14, 2013
    Date of Patent: October 29, 2013
    Assignee: The Procter & Gamble Company
    Inventors: David John Pung, Mimi Grizaw Daniel, George Junior Angelo Patrick, Sylvie Marguerite Linneman, Karen Marie Kershner