Patents by Inventor Robert Scott Leonard

Robert Scott Leonard 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).

  • Publication number: 20220265533
    Abstract: Hydrating oral care compositions including peroxide and water. Hydrating dentifrice compositions including peroxide and water. Hydrating oral care compositions including peroxide and water that can release at least about 1% of the peroxide within 120 seconds. Hydrating oral care compositions including peroxide and water that can release at least about 15% of the peroxide within 15 minutes.
    Type: Application
    Filed: January 18, 2022
    Publication date: August 25, 2022
    Inventors: Michael David Curtis, Robert Scott Leonard, Paul Albert Sagel, Jayanth Rajaiah
  • Publication number: 20160374903
    Abstract: Denture adhesive compositions having good hold and improved taste containing a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride. Compositions containing from about 25% to about 45%, by weight of the composition, of a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride containing a cationic salt function containing: i) from about 60% to about 72% cations selected from calcium, strontium, magnesium, or combinations thereof; ii) from 0% to about 10% sodium cations; iii) less than 1% zinc cations; and iv) from about 25% to about 40% of a free acid component; and further containing from about 15% to about 25%, by weight of the composition of a carboxymethyl cellulose having a molecular weight of from about 200,000 to about 1,000,000 daltons; and a carrier. Methods of improving the adhesion of dentures to the oral cavity by applying such compositions to dentures, the oral cavity, or both, and thereafter securing the denture to the ridge or palate of the oral cavity.
    Type: Application
    Filed: September 12, 2016
    Publication date: December 29, 2016
    Inventors: Jayanth RAJAIAH, Robert Scott Leonard, Rafael Edmundo BRAS, Franco MEDEIROS
  • Patent number: 9463145
    Abstract: Denture adhesive compositions having good hold and improved taste containing a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride. Compositions containing from about 25% to about 45%, by weight of the composition, of a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride containing a cationic salt function containing: i) from about 60% to about 72% cations selected from calcium, strontium, magnesium, or combinations thereof; ii) from 0% to about 10% sodium cations; iii) less than 1% zinc cations; and iv) from about 25% to about 40% of a free acid component; and further containing from about 15% to about 25%, by weight of the composition of a carboxymethyl cellulose having a molecular weight of from about 200,000 to about 1,000,000 daltons; and a carrier. Methods of improving the adhesion of dentures to the oral cavity by applying such compositions to dentures, the oral cavity, or both, and thereafter securing the denture to the ridge or palate of the oral cavity.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: October 11, 2016
    Assignee: THE PROCTER & GAMBLE COMPANY
    Inventors: Jayanth Rajaiah, Robert Scott Leonard, Rafael Edmundo Bras, Franco Medeiros
  • Patent number: 8835529
    Abstract: A denture adhesive composition having a denture adhesive component and a cohesion builder component. The cohesion builder component may be of salts of mono-phosphates, salts of di-phosphates, or salts of tri-phosphates.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: September 16, 2014
    Assignee: The Procter & Gamble Co.
    Inventors: Jayanth Rajaiah, Arif Ali Baig, Robert Scott Leonard
  • Publication number: 20140199659
    Abstract: Denture adhesive compositions having good hold and improved taste containing a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride. Compositions containing from about 25% to about 45%, by weight of the composition, of a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride containing a cationic salt function containing: i) from about 60% to about 72% cations selected from calcium, strontium, magnesium, or combinations thereof; ii) from 0% to about 10% sodium cations; iii) less than 1% zinc cations; and iv) from about 25% to about 40% of a free acid component; and further containing from about 15% to about 25%, by weight of the composition of a carboxymethyl cellulose having a molecular weight of from about 200,000 to about 1,000,000 daltons; and a carrier. Methods of improving the adhesion of dentures to the oral cavity by applying such compositions to dentures, the oral cavity, or both, and thereafter securing the denture to the ridge or palate of the oral cavity.
    Type: Application
    Filed: March 14, 2014
    Publication date: July 17, 2014
    Applicant: The Procter & Gamble Company
    Inventors: Jayanth (NMN) RAJAIAH, Robert Scott Leonard, Rafael Edmundo BRAS, Franco MEDEIROS
  • Patent number: 8735465
    Abstract: Denture adhesive compositions having good hold and improved taste containing a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride. Compositions containing from about 25% to about 45%, by weight of the composition, of a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride containing a cationic salt function containing: i) from about 60% to about 72% cations selected from calcium, strontium, magnesium, or combinations thereof; ii) from 0% to about 10% sodium cations; iii) less than 1% zinc cations; and iv) from about 25% to about 40% of a free acid component; and further containing from about 15% to about 25%, by weight of the composition of a carboxymethyl cellulose having a molecular weight of from about 200,000 to about 1,000,000 daltons; and a carrier. Methods of improving the adhesion of dentures to the oral cavity by applying such compositions to dentures, the oral cavity, or both, and thereafter securing the denture to the ridge or palate of the oral cavity.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: May 27, 2014
    Assignee: The Procter & Gamble Company
    Inventors: Jayanth Rajaiah, Robert Scott Leonard, Rafael Edmundo Bras, Franco Medeiros
  • Publication number: 20140100303
    Abstract: A denture adhesive composition having a denture adhesive component and a cohesion builder component. The cohesion builder component may be of salts of mono-phosphates, salts of di-phosphates, or salts of tri-phosphates.
    Type: Application
    Filed: October 4, 2012
    Publication date: April 10, 2014
    Applicant: THE PROCTER & GAMBLE COMPANY
    Inventors: Jayanth RAJAIAH, Arif Ali BAIG, Robert Scott LEONARD
  • Patent number: 8623388
    Abstract: A denture care composition comprising one or more denture care actives and one or more water insoluble carriers, wherein the composition is bioerodible, not a denture adhesive, and substantially free of polybutene with a molecular weight of about 300 to about 3000 when the composition is not an article, and is applied to dentures.
    Type: Grant
    Filed: October 25, 2010
    Date of Patent: January 7, 2014
    Assignee: The Procter & Gamble Company
    Inventors: Jayanth Rajaiah, Arif Ali Baig, Robert Scott Leonard, Elizabeth Anne Wilder, Franco Silva Medeiros, Luisa Navarro Cerda, Steven Daryl Smith
  • Publication number: 20120037038
    Abstract: The present invention relates to denture adhesive compositions. The denture adhesive compositions include an adhesive component and a viscosity index improver. The present invention is also directed to methods relating to the denture adhesive compositions.
    Type: Application
    Filed: November 4, 2010
    Publication date: February 16, 2012
    Inventors: Jayanth Rajaiah, Franco Silva Medeiros, Luisa Navarro Cerda, Robert Scott Leonard, Steven Daryl Smith, Mark William Hamersky, Rafael Edmundo Bras
  • Publication number: 20110223563
    Abstract: Denture adhesive compositions having good hold and improved taste containing a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride. Compositions containing from about 25% to about 45%, by weight of the composition, of a salt of a copolymer of alkyl vinyl ether-maleic acid or anhydride containing a cationic salt function containing: i) from about 60% to about 72% cations selected from calcium, strontium, magnesium, or combinations thereof; ii) from 0% to about 10% sodium cations; iii) less than 1% zinc cations; and iv) from about 25% to about 40% of a free acid component; and further containing from about 15% to about 25%, by weight of the composition of a carboxymethyl cellulose having a molecular weight of from about 200,000 to about 1,000,000 daltons; and a carrier. Methods of improving the adhesion of dentures to the oral cavity by applying such compositions to dentures, the oral cavity, or both, and thereafter securing the denture to the ridge or palate of the oral cavity.
    Type: Application
    Filed: March 9, 2011
    Publication date: September 15, 2011
    Inventors: Jayanth Rajaiah, Robert Scott Leonard, Rafael Edmundo Bras, Franco Medeiros
  • Publication number: 20110104219
    Abstract: A denture care composition comprising one or more denture care actives and one or more water insoluble carriers, wherein the composition is bioerodible, not a denture adhesive, and substantially free of polybutene with a molecular weight of about 300 to about 3000 when the composition is not an article, and is applied to dentures.
    Type: Application
    Filed: October 25, 2010
    Publication date: May 5, 2011
    Inventors: Jayanth Rajaiah, Arif Ali Baig, Robert Scott Leonard, Elizabeth Anne Wilder, Franco Silva Medeiros, Luisa Navarro Cerda, Steven Daryl Smith
  • Publication number: 20110094415
    Abstract: A denture adhesive article, comprising a denture adhesive component and a viscosity index improver, wherein the denture adhesive article is preformed.
    Type: Application
    Filed: November 4, 2010
    Publication date: April 28, 2011
    Inventors: Jayanth Rajaiah, Franco Silva Medeiros, Luisa Navarro Cerda, Robert Scott Leonard, Steven Daryl Smith, Mark William Hamersky, Rafael Edmundo Bras
  • Publication number: 20100317763
    Abstract: A denture adhesive article, comprising a denture adhesive component and a viscosity index improver, wherein the denture adhesive article is preformed.
    Type: Application
    Filed: August 17, 2009
    Publication date: December 16, 2010
    Inventors: Jayanth Rajaiah, Franco Silva Medeiros, Luisa Navarro Cerda, Robert Scott Leonard, Steven Daryl Smith, Mark William Hamersky, Rafael Edmundo Bras
  • Publication number: 20090238776
    Abstract: The present invention relates to oral care compositions. The oral care compositions include an adhesive component and an oral care active, and are combined with a viscosity index improver and/or a water insoluble component. The present invention is also directed to methods relating to the oral care compositions.
    Type: Application
    Filed: June 2, 2009
    Publication date: September 24, 2009
    Inventors: Arif Ali Baig, Jayanth Rajaiah, Franco Silva Medeiros, Luisa Navarro Cerda, Robert Scott Leonard, Steven Daryl Smith, Mark William Hamersky, Rafael Edmundo Bras
  • Publication number: 20090239972
    Abstract: The present invention relates to denture adhesive compositions. The denture adhesive compositions include an adhesive component and a viscosity index improver. The present invention is also directed to methods relating to the denture adhesive compositions.
    Type: Application
    Filed: June 2, 2009
    Publication date: September 24, 2009
    Inventors: Jayanth Rajaiah, Franco Silva Medeiros, Luisa Navarro Cerda, Robert Scott Leonard, Steven Daryl Smith, Mark William Hamersky, Rafael Edmundo Bras
  • Patent number: D734168
    Type: Grant
    Filed: July 8, 2013
    Date of Patent: July 14, 2015
    Assignee: THE PROCTER & GAMBLE CO
    Inventors: Jayanth Rajaiah, Robert Scott Leonard, Tina Marie Bernard, Luisa Navarro Cerda, Thinh Nguyen Ha