Patents by Inventor Michael Gayle Schafer

Michael Gayle Schafer 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: 7214650
    Abstract: Compositions comprising one or more polymeric suds volume and suds duration enhances which are mild on the user's skin. The polymeric suds enhances are suitable for use in methods which in use as compositions light duty liquid, LDL compositions, hand dishwashing compositions, laundry bars, personal cleansing compositions and the like.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: May 8, 2007
    Assignee: The Procter & Gamble Co.
    Inventors: Chandrika Kasturi, Michael Gayle Schafer, Marsha Jean Spears, Howard David Hutton, III, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper
  • Patent number: 7169745
    Abstract: The present invention relates to hand shishwashing compositions comprising polymeric suds volume and suds duration enhancers. These polymeric materials provide enhanced suds volume and suds duration during hand dishwashing.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: January 30, 2007
    Assignee: The Procter & Gamble Co.
    Inventors: Chandrika Kasturi, Michael Gayle Schafer, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper, Patricia Sara Berger, Jean-Francois Bodet
  • Patent number: 6903064
    Abstract: The present invention relates to detergent compositions comprising polymeric suds volume and suds duration enhancers. These polymeric materials provide enhanced suds volume and suds duration during cleaning.
    Type: Grant
    Filed: May 25, 2000
    Date of Patent: June 7, 2005
    Assignee: Procter & Gamble Company
    Inventors: Chandrika Kasturi, Michael Gayle Schafer, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper, Patricia Sara Berger, Jean-Francois Bodet
  • Patent number: 6827795
    Abstract: Method of improving the skin feel or mildness to the skin of various detergent compositions, such as hand dish washing compositions, hand laundry bars, shampoos and other personal cleansing compositions.
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: December 7, 2004
    Assignee: Procter & Gamble Company
    Inventors: Chandrika Kasturi, Michael Gayle Schafer, Marsha Jean Spears, Howard David Hutton, III, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper
  • Patent number: 6528477
    Abstract: The present invention relates to liquid detergent compositions comprising a polymeric material which is a suds enhancer and a suds volume extender, said compositions having increased effectiveness for preventing re-deposition of grease during hand washing. The polymeric material which are suitable as suds volume and suds endurance enhancers comprise an effective amount of a polymeric suds stabilizer comprise: i) units capable of having a cationic charge at a pH of from about 4 to about 12; provided that said suds stabilizer has an average cationic charge density from about 0.0005 to about 0.05 units per 100 daltons molecular weight at a pH of from about 4 to about 12;.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: March 4, 2003
    Assignee: Procter & Gamble Company
    Inventors: Chandrika Kasturi, Michael Gayle Schafer, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper
  • Publication number: 20020169097
    Abstract: The present invention relates to liquid detergent compositions comprising a polymeric material which is a suds enhancer and a suds volume extender, said compositions having increased effectiveness for preventing re-deposition of grease during hand washing.
    Type: Application
    Filed: March 27, 2002
    Publication date: November 14, 2002
    Inventors: Chandrika Kasturi, Michael Gayle Schafer, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper
  • Patent number: 6372708
    Abstract: The present invention relates to liquid detergent compositions comprising a polymeric material which is a suds enhancer and a suds volume extender, said compositions having increased effectiveness for preventing re-deposition of grease during hand washing. The polymeric material which are suitable as suds volume and suds endurance enhancers comprise an effective amount of a polymeric suds stabilizer comprise: i) units capable of having a cationic charge at a pH of from about 4 to about 12; provided that said suds stabilizer has an average cationic charge density from about 0.0005 to about 0.05 units per 100 daltons molecular weight at a pH of from about 4 to about 12.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: April 16, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Chandrika Kasturi, Michael Gayle Schafer, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper
  • Patent number: 6369012
    Abstract: The present invention relates to liquid detergent compositions comprising polymeric suds volume and suds duration enhancers. These polymeric materials provide enhanced suds volume and suds duration during hand washing of dishwasher, flatware, and pots and pans. The present invention also relates to methods for providing detergent compositions which have enduring suds volume and suds retention when hand washing of said dishwasher items.
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: April 9, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Chandrika Kasturi, Michael Gayle Schafer, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper
  • Patent number: 6277811
    Abstract: The present invention relates to zwitterionic suds stabilizers suitable for use in liquid detergent compositions, said zwitterionic suds stabilizers provide enhanced suds volume and suds retention thereby signaling the lasting efficacy of the detersive ingredients. The compositions of the present invention also have increased effectiveness for preventing redeposition of grease from the wash solution.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: August 21, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Chandrika Kasturi, Michael Gayle Schafer, Mark Robert Sivik, Bernard William Kluesener
  • Patent number: 6207631
    Abstract: The present invention relates to liquid detergent compositions comprising polymeric suds volume and suds duration enhancers. These polymeric materials provide enhanced suds volume and suds duration during hand washing of dishware, flatware, and pots and pans. The present invention also relates to methods for providing detergent compositions which have enduring suds volume and suds retention when hand washing of said dishware items.
    Type: Grant
    Filed: May 18, 2000
    Date of Patent: March 27, 2001
    Assignee: The Procter & Gamble Company
    Inventors: Chandrika Kasturi, Michael Gayle Schafer, Mark Robert Sivik, Bernard William Kluesener, William Michael Scheper