Patents by Inventor Michael David Curtis

Michael David Curtis 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: 12364655
    Abstract: Semisolid oral dispersions for improving the health and/or appearance of the oral cavity. The semisolid oral dispersions include hydrophilic active agent particles in hydrophobic phase. The hydrophilic active agent particles can include bleaching agents, antimicrobial agents, anticalculus agents, and/or combinations thereof. The hydrophilic active agent particle can have a solubility in water of at least about 20 parts, by weight of the particles, in about 100 parts, by weight, of water. The hydrophobic phase can be semisolid petrolatum.
    Type: Grant
    Filed: January 23, 2023
    Date of Patent: July 22, 2025
    Assignee: The Procter & Gamble Company
    Inventors: Jayanth Rajaiah, Paul Albert Sagel, Michael David Curtis
  • Patent number: 12251286
    Abstract: An applicator for the application of an oral care composition to an oral cavity. The applicator may include an applicator tip and an applicator handle detachably or non-detachably connected to a proximal end of the applicator tip. The applicator tip may include an external ridge, a plurality of internal ridges, and a plurality of internal channels between the plurality of internal ridges.
    Type: Grant
    Filed: April 18, 2024
    Date of Patent: March 18, 2025
    Assignee: The Procter & Gamble Company
    Inventors: Michael David Curtis, Jennifer Marie Hasse, Niranjan Ramji, Paul Albert Sagel, Joe Leon Washington, III, Laura Ashley Willis
  • Publication number: 20250057743
    Abstract: Oral care compositions including dicarboxylic acid and a fluoride ion source. A pH of the oral care composition can be from about 4.5 to about 7. The oral care composition can provide an enhanced anticaries benefit, a stain prevention benefit, and/or a stain removal benefit. The oral care composition can be a dentifrice composition that results in a calcium loss in dentin and/or enamel of less than 50 ppm.
    Type: Application
    Filed: November 4, 2024
    Publication date: February 20, 2025
    Inventors: Michael David Curtis, Andrew Frederic Groth, Paul Albert Sagel, Samuel James St. John
  • Publication number: 20240390127
    Abstract: A kit for the application of hydrophobic compositions to hydrophilic surfaces with an applicator device and a container for the hydrophobic composition. An applicator device for the application of an emulsion composition to wetted teeth. An applicator tip with at least one external ridge, a plurality of internal ridges, and a plurality of internal channels between the plurality of internal ridges. A container with a ribbon orifice for the dispensing of the emulsion composition.
    Type: Application
    Filed: August 1, 2024
    Publication date: November 28, 2024
    Inventors: Michael David Curtis, Jennifer Marie Hasse, Niranjan Ramji, Paul Albert Sagel, Joe Leon Washington, III, Laura Ashley Willis
  • Publication number: 20240350246
    Abstract: A method of treating teeth includes applying a semisolid oral dispersion to at least one tooth. The semisolid oral dispersion includes a hydrophilic discontinuous phase comprising bleaching agent particles and a hydrophobic continuous phase comprising petrolatum. The method further includes maintaining the semisolid oral dispersion on the at least one tooth for a first period of time, and, after the first period of time, directing a light radiation toward the at least one tooth for a second period of time, the first period of time having a duration greater than 50% of a total duration of the first period of time and the second period of time.
    Type: Application
    Filed: July 1, 2024
    Publication date: October 24, 2024
    Inventors: Paul Albert SAGEL, Jayanth RAJAIAH, Michael David Curtis
  • Patent number: 12059317
    Abstract: Semisolid oral dispersions for whitening teeth comprising a hydrophilic discontinuous phase and a hydrophobic continuous phase. The semisolid oral dispersions include a hydrophilic discontinuous phase comprising bleaching agent particles. The semisolid oral dispersions also include a hydrophobic continuous phase comprising petrolatum. The h bleaching agent particles can include peroxide compounds and/or hydrogen peroxide adducts. The bleaching agent particle can have a solubility in water of at least about 20 parts, by weight of the particles, in about 100 parts, by weight, of water.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: August 13, 2024
    Assignee: The Procter & Gamble Company
    Inventors: Paul Albert Sagel, Jayanth Rajaiah, Michael David Curtis
  • Publication number: 20240261078
    Abstract: An applicator for the application of an oral care composition to an oral cavity. The applicator may include an applicator tip and an applicator handle detachably or non-detachably connected to a proximal end of the applicator tip. The applicator tip may include an external ridge, a plurality of internal ridges, and a plurality of internal channels between the plurality of internal ridges.
    Type: Application
    Filed: April 18, 2024
    Publication date: August 8, 2024
    Inventors: Michael David Curtis, Jennifer Marie Hasse, Niranjan Ramji, Paul Albert Sagel, Joe Leon Washington, III, Laura Ashley Willis
  • Patent number: 12054314
    Abstract: An oral care product comprises a package comprising a container and an applicator tip attached to the container. The applicator tip comprises a material having a Shore A hardness of from about 15 to about 80 and has a dispensing orifice in fluid communication with the container. The dispensing orifice has a minimum diameter of at least about 0.5 mm, preferably at least about 1 mm. The oral care product further comprises an oral care composition contained within the container of the package, wherein the oral care composition comprises an oral care active and has a cone penetration value of from about 10 to about 500, preferably from about 100 to about 300.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: August 6, 2024
    Assignee: The Procter & Gamble Company
    Inventors: Michael David Curtis, Niranjan Ramji, Franco Silva Medeiros, Natalia Maria Ramon Martinez, Jayanth Rajaiah
  • Patent number: 11872099
    Abstract: Multi-phase oral care compositions for whitening teeth, including hydrophilic bleaching agent particles in a hydrophobic phase with a melting point of from about 40° C. to about 80° C. The hydrophilic bleaching agent particles can include peroxide compounds and/or hydrogen peroxide adducts. The hydrophilic bleaching agent particle can have a solubility in water of at least about 20 parts, by weight of the particles, in about 100 parts, by weight, of water.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: January 16, 2024
    Assignee: The Procter & Gamble Company
    Inventors: Paul Albert Sagel, Jayanth Rajaiah, Michael David Curtis
  • Publication number: 20230310286
    Abstract: A method for whitening teeth is provided where the method includes contacting at least one tooth surface with a semisolid oral dispersion. The semisolid oral dispersion may include solid hydrophilic active agent particles, where at least about 20 parts, by weight, of the solid hydrophilic active agent particles are soluble in about 100 parts, by weight, of water or the solid hydrophilic active agent particles swell by at least about 50% upon contact with water, and at least about 60%, by weight of the semisolid oral dispersion, of a semisolid hydrophobic phase.
    Type: Application
    Filed: June 6, 2023
    Publication date: October 5, 2023
    Inventors: Paul Albert SAGEL, Jayanth RAJAIAH, Michael David Curtis
  • Patent number: 11712408
    Abstract: The semisolid oral dispersions include hydrophilic active agent particles in hydrophobic phase. The hydrophilic active agent particles can include bleaching agents, antimicrobial agents, anticalculus agents, and/or combinations thereof. The hydrophilic active agent particle can have a solubility in water of at least about 20 parts, by weight of the particles, in about 100 parts, by weight, of water.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: August 1, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Paul Albert Sagel, Jayanth Rajaiah, Michael David Curtis
  • Publication number: 20230134577
    Abstract: Jammed oil-in-water emulsion toothpaste compositions. Anticavity jammed oil-in-water emulsion toothpaste compositions including fluoride. Anticavity jammed oil-in-water emulsion toothpaste compositions including an unexpectedly low amount of fluoride, such as less than 500 ppm of fluoride. An array of oral care compositions including a first anticavity jammed oil-in-water emulsion toothpaste including fluoride and a whitening composition, such as a second jammed oil-in-water emulsion toothpaste including peroxide.
    Type: Application
    Filed: September 14, 2022
    Publication date: May 4, 2023
    Inventors: Jayanth Rajaiah, Paul Albert Sagel, Michael David Curtis, Franco Silva Medeiros, James Albert Berta
  • Publication number: 20230112138
    Abstract: Jammed oil-in-water emulsion toothpaste compositions. Opaque jammed oil-in-water emulsion toothpaste compositions without an opacifier and/or abrasive. Toothpaste compositions including jammed oil-in-water emulsion wherein the opacity can be modified through physical manipulation. Toothpaste compositions comprising jammed oil-in-water emulsion wherein the toothpaste composition is opaque without a solid opacifier.
    Type: Application
    Filed: September 14, 2022
    Publication date: April 13, 2023
    Inventors: Jayanth Rajaiah, Paul Albert Sagel, Michael David Curtis, Franco Silva Medeiros, Angela Marie Creager, James Albert Berta
  • Publication number: 20230104834
    Abstract: Jammed oil-in-water emulsion toothpaste compositions. Jammed oil-in-water emulsion toothpaste compositions with unexpectedly high yield stress values. Toothpaste compositions including jammed oil-in-water emulsion wherein the yield stress of the toothpaste composition can be modified through physical manipulation. Arrays of oral care compositions including a first jammed oil-in-water emulsion toothpaste composition including oral care active agent and a second oral care composition including peroxide.
    Type: Application
    Filed: September 14, 2022
    Publication date: April 6, 2023
    Inventors: Jayanth Rajaiah, Paul Albert Sagel, Michael David Curtis, Franco Silva Medeiros, James Albert Berta
  • Patent number: 11607300
    Abstract: Multi-phase oral care compositions for whitening teeth including hydrophilic bleaching agent particles in a hydrophobic phase with a cone penetration consistency value of from about 25 to about 300. The hydrophilic bleaching agent particles can include peroxide compounds and/or hydrogen peroxide adducts. The hydrophilic bleaching agent particle can have a solubility in water of at least about 20 parts, by weight of the particles, in about 100 parts, by weight, of water.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: March 21, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Paul Albert Sagel, Jayanth Rajaiah, Michael David Curtis
  • Publication number: 20230044746
    Abstract: A dentifrice composition includes about 20% or greater, by weight of the dentifrice composition, of water, a fluoride ion source, a polyphosphate source comprising a first linear polyphosphate with an average chain length of from about 6 to about 21, and a pH of about 5 or less.
    Type: Application
    Filed: October 14, 2022
    Publication date: February 9, 2023
    Inventors: Niranjan Ramji, Michael David Curtis, Samuel James St. John, Kathleen Pearson, Lina Aurora Witte, Andrea Noland
  • Patent number: 11559473
    Abstract: Semisolid oral dispersions for improving the health and/or appearance of the oral cavity. The semisolid oral dispersions include hydrophilic active agent particles in hydrophobic phase. The hydrophilic active agent particles can include bleaching agents, antimicrobial agents, anticalculus agents, and/or combinations thereof. The hydrophilic active agent particle can have a solubility in water of at least about 20 parts, by weight of the particles, in about 100 parts, by weight, of water.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: January 24, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Paul Albert Sagel, Jayanth Rajaiah, Michael David Curtis
  • Patent number: 11471388
    Abstract: An oral care composition with one or more polyphosphates with about 20 wt % or more of water at a pH of about 5 or less. A dentifrice composition with one or more polyphosphates with about 20 wt % or more of water at a pH of about 5 or less. A mouth rinse composition with one or more polyphosphates with about 20 wt % or more of water at a pH of about 5 or less.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: October 18, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Niranjan Ramji, Michael David Curtis, Samuel James St. John, Kathleen Pearson, Lina Aurora Witte, Andrea Noland
  • Publication number: 20220265532
    Abstract: Oral care compositions including peroxide, alumina, and optionally water. Dentifrice compositions including peroxide, alumina, and optionally water. Dentifrice compositions including peroxide, calcined alumina, and optionally water. Dentifrice compositions including peroxide, calcined alumina, uncalcined alumina, and optionally water. Methods of use to whiten teeth using one or more of the disclosed compositions.
    Type: Application
    Filed: January 18, 2022
    Publication date: August 25, 2022
    Inventors: Michael David Curtis, Paul Albert Sagel, Samuel James St. John, Cara Blaney Woyak
  • 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