Patents by Inventor David Gan

David Gan 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: 12653774
    Abstract: The present invention relates generally to methods and compositions useful for soothing skin inflammation in a subject. In some embodiments, methods and compositions disclosed herein comprise topical administration of a cosmetic formulation, wherein the cosmetic formulation comprises at least one transient receptor potential channel vanilloid subtype 1 (TRPV-1) antagonist. In some embodiments, the composition and/or method comprises plankton extract (e.g., saccharide isomerate), Phragmites communis (common reed) extract, Poria cocos (China root) extract, and/or Cucurbita pepo (pumpkin) seed extract.
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: June 16, 2026
    Assignee: MARY KAY INC.
    Inventors: Geetha Kalahasti, David Gan
  • Publication number: 20260151328
    Abstract: Disclosed is a method of reducing fine lines or wrinkles on skin. The method can include applying a topical skin care composition to skin with fine lines or wrinkles. The composition can include Terminalia ferdinandiana fruit extract, Helianthus annuus (Sunflower) seed extract, sodium hyaluronate, arginine, glycerin, pentylene glycol, lecithin, and tocopherol or tocopherol acetate.
    Type: Application
    Filed: January 23, 2026
    Publication date: June 4, 2026
    Inventors: David GAN, Patricia JACOBY
  • Patent number: 12622866
    Abstract: The present invention relates generally to methods of use and compositions useful for moisturizing skin and/or lightening or whitening skin. The composition includes a combination of Angelica acutiloba root extract and a Salicornia herbacea extract.
    Type: Grant
    Filed: April 18, 2023
    Date of Patent: May 12, 2026
    Assignee: MARY KAY INC.
    Inventors: Greg Norman, David Gan, Michelle Hines, Lisha Vanpelt, Wanli Zhao, Barbara Durkee, Lee Vickers, Patricia Jacoby
  • Patent number: 12605308
    Abstract: A method for treating skin of a person in need thereof is disclosed. The method includes topically applying to the skin of the person a composition comprising an effective amount of an aqueous, alcoholic, or aqueous-alcoholic extract from Ficus lacor, wherein the extract from Ficus lacor reduces oxidation in the skin or reduces MMP-1 activity in the skin.
    Type: Grant
    Filed: October 18, 2023
    Date of Patent: April 21, 2026
    Assignee: MARY KAY INC.
    Inventors: Tiffany Carle, David Gan, Michelle Hines
  • Publication number: 20260083651
    Abstract: A method of treating skin and a topical skin care composition are disclosed. The method includes topically applying to a person's skin a composition that can include Lactobacillus ferment, Punica granatum extract, Camellia sinensis leaf extract, cucumber extract, dipotassium glycyrrhizate, sodium hyaluronate, glycerin, and butylene glycol, wherein the person's skin is treated.
    Type: Application
    Filed: December 4, 2025
    Publication date: March 26, 2026
    Inventors: Dawn BURKE-COLVIN, Michelle HINES, David GAN
  • Patent number: 12558306
    Abstract: Disclosed is a method of reducing fine lines or wrinkles on skin. The method can include applying a topical skin care composition to skin with fine lines or wrinkles. The composition can include lactobacillus ferment, ascorbyl glucoside, Terminalia ferdinandiana fruit extract, Helianthus annuus (Sunflower) seed extract, glycerin, Persea gratissima (avocado) oil, Butyrospermum parkii (shea) butter, coco-caprylate/caprate, Sclerotium gum, sodium benzoate, and tocopherol.
    Type: Grant
    Filed: March 28, 2024
    Date of Patent: February 24, 2026
    Assignee: MARY KAY INC.
    Inventors: David Gan, Patricia Jacoby
  • Publication number: 20260021033
    Abstract: Disclosed is a method of improving a condition or appearance of skin. The method can include applying to skin an effective amount of a topical skin composition comprising tetrahexyldecyl ascorbate, Phyllanthus emblica fruit extract, and tocopherol or tocopherol acetate.
    Type: Application
    Filed: July 25, 2025
    Publication date: January 22, 2026
    Applicant: MARY KAY INC.
    Inventors: Tiffany CARLE, Milagros SANCHEZ, David GAN
  • Publication number: 20260014060
    Abstract: Disclosed is a method for reducing the appearance of cellulite, improving the texture of skin, or reducing the appearance of a fine line or wrinkle in skin that has cellulite, rough skin texture, or a fine line or wrinkle, the method comprising topically applying a composition to the skin that includes effective amounts of caffeine, escin, and an extract from Ascophyllum nodosum, wherein topical application of the composition reduces the appearance of cellulite, improves the texture of the skin, or reduces the appearance of the fine line or wrinkle.
    Type: Application
    Filed: June 18, 2025
    Publication date: January 15, 2026
    Applicant: MARY KAY INC.
    Inventors: Tiffany FLORENCE, Michelle HINES, David GAN
  • Patent number: 12515080
    Abstract: A method of treating skin is disclosed. The method includes topically applying to the skin a composition that includes Castanea sativa seed extract. Lactobacillus ferment. Punica granatum extract, Camellia sinensis leaf extract, niacinamide, sodium hyaluronate, glycerin, and butylene glycol.
    Type: Grant
    Filed: August 15, 2024
    Date of Patent: January 6, 2026
    Assignee: MARY KAY INC.
    Inventors: Dawn Burke-Colvin, Michelle Hines, David Gan
  • Publication number: 20260000603
    Abstract: A method for treating a person's skin is disclosed. The method can include topically applying to the skin of the person a composition comprising an effective amount of an extract from Ephedra sinica, where the composition reduces oxidative damage to skin, reduces skin inflammation, evens skin tone, or a combination thereof.
    Type: Application
    Filed: September 5, 2025
    Publication date: January 1, 2026
    Applicant: MARY KAY INC.
    Inventors: Tiffany FLORENCE, David GAN, Michelle HINES
  • Patent number: 12496323
    Abstract: A method of treating fine lines or wrinkles in a person's skin or treating a person's sagging or loose skin is disclosed. The method can include topically applying to the fine line or wrinkle or to sagging or loose skin an effective amount of a topical composition comprising a Myrciaria dubia fruit extract, a Peucedanum graveolens extract, and tetrahexyldecyl ascorbate, wherein the combination reduces the appearance of the fine line or wrinkle, increases skin elasticity, or increases skin firmness.
    Type: Grant
    Filed: January 18, 2024
    Date of Patent: December 16, 2025
    Assignee: MARY KAY INC.
    Inventors: Tiffany Carle, Geetha Kalahasti, Shona Burkes, David Gan
  • Patent number: 12485080
    Abstract: Disclosed are compositions and methods for their use that can be used in cosmetic applications. The composition can include an effective amount of a Centella asiatica stem cells to reduce the activity of hyaluronidase in skin, an effective amount of tetradecyl aminobutyroylvalylamino butyric urea trifluoroacetate or Alpinia galanga leaf extract to promote the production of hyaluronic acid in skin, an effective amount of tripeptide-1 to promote the production of fibronectin and laminin in skin, and a dermatologically acceptable vehicle.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: December 2, 2025
    Assignee: MARY KAY INC.
    Inventors: Tiffany Florence, Michelle Hines, David Gan
  • Publication number: 20250360077
    Abstract: A method of increasing skin firmness or elasticity of a person's skin is disclosed. The method can include topically applying a composition comprising an effective amount of a water extract of Cucurbita pepo (pumpkin) seed to skin in need thereof, wherein the water is a marine spring water and the Cucurbita pepo (pumpkin) seed extract comprises an amino acid from the Cucurbita pepo (pumpkin) seed, and wherein topical application of the composition increases skin firmness or elasticity of the person's skin.
    Type: Application
    Filed: August 6, 2025
    Publication date: November 27, 2025
    Inventors: David GAN, Geetha KALAHASTI, Lisha VANPELT
  • Publication number: 20250339488
    Abstract: A method of topically applying to skin a composition comprising a water soluble Phoenix dactylifera seed extract, an essential oil from the leaves of tea tree, an aqueous Myrothamnus flabellifolia leaf and stem extract, and a saccharide isomerate comprising an exopolysaccharide of Vibrio alginolyticus is disclosed.
    Type: Application
    Filed: March 24, 2025
    Publication date: November 6, 2025
    Inventors: Tiffany CARLE, David GAN, Geetha KALAHASTI
  • Publication number: 20250303158
    Abstract: A method for quantitatively assessing muscle contraction of a facial muscle in a person and determining the ability of a treatment material to reduce contraction of the facial muscle is disclosed. The method can include applying an external electrical stimulus to facial skin sufficient to contract a facial muscle, measuring the contractile activity of the contracted facial muscle by measuring the compound motor action potential (CMAP) of the contracted facial muscle to obtain a first average measurement of contractile activity of the contracted facial muscle, administering the treatment material by topically applying the treatment material to the facial skin, and repeating steps (a) and (b) to obtain a second average measurement of contractile activity of the contracted facial muscle.
    Type: Application
    Filed: June 11, 2025
    Publication date: October 2, 2025
    Inventors: Shona BURKES-HENDERSEN, Geetha KALAHASTI, David GAN
  • Patent number: 12409130
    Abstract: A method of reducing the appearance of fine lines or wrinkles on a person's skin is disclosed. The method can include topically applying a composition comprising an effective amount of an aqueous extract of Cucurbita pepo (pumpkin) seed to the fine lines or wrinkles present on the person's skin. Topical application of the composition can reduce the appearance of the fine lines or wrinkles on the person's skin.
    Type: Grant
    Filed: September 11, 2023
    Date of Patent: September 9, 2025
    Assignee: MARY KAY INC
    Inventors: David Gan, Geetha Kalahasti, Lisha VanPelt
  • Patent number: 12350491
    Abstract: A method for quantitatively assessing muscle contraction of a facial muscle in a person and determining the ability of a treatment material to reduce contraction of the facial muscle is disclosed. The method can include applying an external electrical stimulus to facial skin sufficient to contract a facial muscle, measuring the contractile activity of the contracted facial muscle by measuring the compound motor action potential (CMAP) of the contracted facial muscle to obtain a first average measurement of contractile activity of the contracted facial muscle, administering the treatment material by topically applying the treatment material to the facial skin, and repeating steps (a) and (b) to obtain a second average measurement of contractile activity of the contracted facial muscle.
    Type: Grant
    Filed: July 13, 2023
    Date of Patent: July 8, 2025
    Assignee: MARY KAY INC.
    Inventors: Shona Burkes-Henderson, Geetha Kalahasti, David Gan
  • Publication number: 20250177286
    Abstract: Disclosed is a topical skin care composition capable of treating oxidatively damaged skin or enhancing skin tone of a human. The composition can include escin, Aesculus hippocastanum (horse chestnut) extract, fructose, butylene glycol, Butyrospermum parkii (shea) butter, glycerin, caprylic/capric triglyceride, dimethicone, and tocopherol or tocopheryl acetate.
    Type: Application
    Filed: January 21, 2025
    Publication date: June 5, 2025
    Inventors: David GAN, Tiffany CARLE, Michelle HINES, Milagros SANCHEZ, Patricia JACOBY, Linda HART
  • Publication number: 20250134798
    Abstract: A method of treatin skin is disclosed. The method includes topically applying to skin a composition that can include Hippophae rhamnoides extract, Persea gratissima oil, soybean oil, squalane, glycerin, pentylene glycol, butylene glycol, fructose, tocopheryl acetate, ethylhexylglycerin, caprylic/capric triglyceride, disodium EDTA, maltodextrin, and xanthan gum.
    Type: Application
    Filed: December 31, 2024
    Publication date: May 1, 2025
    Applicant: MARY KAY INC.
    Inventors: Tiffany FLORENCE, David GAN, Michelle HINES
  • Patent number: 12285457
    Abstract: A method of topically applying to skin a composition comprising a water soluble Phoenix dactylifera seed extract, an essential oil from the leaves of tea tree, an aqueous Myrothamnus flabellifolia leaf and stem extract, and a saccharide isomerate comprising an exopolysaccharide of Vibrio alginolyticus is disclosed.
    Type: Grant
    Filed: February 8, 2024
    Date of Patent: April 29, 2025
    Assignee: MARY KAY INC.
    Inventors: Tiffany Carle, David Gan, Geetha Kalahasti