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: 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: 20230157933
    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: Application
    Filed: January 23, 2023
    Publication date: May 25, 2023
    Inventors: Jayanth RAJAIAH, Paul Albert SAGEL, 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
  • Publication number: 20230107290
    Abstract: Jammed oil-in-water emulsion toothpaste compositions. Jammed oil-in-water emulsion toothpaste compositions with unexpectedly high yield stress values and/or high opacity without the use of a solid opacifier. Jammed oil-in-water emulsion toothpaste compositions with a hydrophobic phase with a particular droplet size of from about 0.
    Type: Application
    Filed: September 14, 2022
    Publication date: April 6, 2023
    Inventors: Jayanth RAJAIAH, Paul Albert SAGEL, Michael David CURTIS, Franco Silva Mederios, 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: 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: 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
  • Patent number: 11413127
    Abstract: Semisolid oral dispersions for whitening teeth including hydrogen peroxide adducts in petrolatum. The hydrogen peroxide adduct 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 semisolid oral dispersion and/or the petrolatum can have a cone penetration consistency value of from about 25 to about 300.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: August 16, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Paul Albert Sagel, Jayanth Rajaiah, Michael David Curtis
  • Publication number: 20220054372
    Abstract: A tooth whitening product comprises a multi-phase oral composition contained in a package. The multi-phase composition comprises a hydrophobic phase comprising a flavor, and a hydrophilic phase comprising a peroxide bleaching agent. The package comprises a container formed of an oxygen-permeable substrate comprising one or more layers, wherein the substrate has an oxygen transmission rate at 23° C. of at least about 5 cc/(m2*day) and the substrate is free of a barrier layer. A dispensing orifice in fluid communication with the container is covered by a cap.
    Type: Application
    Filed: August 24, 2021
    Publication date: February 24, 2022
    Inventors: Michael David CURTIS, Franco Silva MEDEIROS, Natalia Maria RAMON MARTINEZ, Jayanth RAJAIAH
  • Publication number: 20220054373
    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: Application
    Filed: August 24, 2021
    Publication date: February 24, 2022
    Inventors: Michael David CURTIS, Niranjan RAMJI, Franco Silva MEDEIROS, Natalia Maria RAMON MARTINEZ, Jayanth RAJAIAH
  • Patent number: 11224760
    Abstract: Semisolid oral dispersions for whitening teeth. The semisolid oral dispersions include hydrophilic bleaching agent particles in a hydrophobic phase. 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: April 8, 2020
    Date of Patent: January 18, 2022
    Assignee: The Procter & Gamble Company
    Inventors: Paul Albert Sagel, Jayanth Rajaiah, Michael David Curtis
  • Publication number: 20210346259
    Abstract: Oral care compositions including dicarboxylic acid and a pH of from about 4 to about 6. Oral care kits including a first oral care composition with fluoride and a second oral care composition with dicarboxylic acid. Oral care compositions including fluoride and dicarboxylic acid that provide an erosion benefit, a stain prevention benefit, and/or a stain removal benefit.
    Type: Application
    Filed: May 5, 2021
    Publication date: November 11, 2021
    Inventors: Michael David Curtis, Andrew Frederic Groth, Paul Albert Sagel, Samuel James St. John, Marianne Zsiska
  • Publication number: 20210346260
    Abstract: Oral care compositions including dicarboxylic acid and fluoride. Oral care kits including a first oral care composition with fluoride and a second oral care composition with dicarboxylic acid. Oral care compositions including fluoride and dicarboxylic acid that provide an enhanced anticaries benefit, a stain prevention benefit, and/or a stain removal benefit.
    Type: Application
    Filed: May 5, 2021
    Publication date: November 11, 2021
    Inventors: Michael David Curtis, Andrew Frederic Groth, Paul Albert Sagel, Samuel James St. John