Patents by Inventor David Schuz

David Schuz 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: 20230270760
    Abstract: Methods of treatment and dosage regimes using hydrophobic gel or foam composition comprising a tetracycline antibiotic in treating or alleviating a disorder including, acne, acne related symptoms, a tetracycline antibiotic responsive acne related disorder, skin disorder caused by a bacteria, and a tetracycline antibiotic responsive sebaceous gland disease, P. acnes bacteria associated disorders and other superficial infections, including skin infections wherein the foam composition or gel is administered topically to a target area on a subject having the disorder and wherein the target area comprises an area of skin.
    Type: Application
    Filed: September 29, 2022
    Publication date: August 31, 2023
    Inventors: Dov Tamarkin, Elana Gazal, Rita Keynan, Meir Eini, David Schuz
  • Publication number: 20230123488
    Abstract: Provided herein are compositions and methods for treating skin disorders, e.g., acne and/or rosacea. In some embodiments, the compositions may comprise carriers which are suitable for stabilizing an unstable active agent, e.g., a tetracycline antibiotic.
    Type: Application
    Filed: June 19, 2018
    Publication date: April 20, 2023
    Inventors: Yohan HAZOT, Tal BERMAN, Jana ZAILER, Orit AMSALEM, David SCHUZ, Anat LONDON-DRORI
  • Patent number: 11433025
    Abstract: A waterless foamable pharmaceutical composition suitable for external administration is disclosed. The composition includes a foamable carrier least one liquefied or compressed gas propellant. The foamable carrier includes at least one liquid oil; at least one silicone and at least one least one stabilizing agent; wherein the stabilizing agent selected from the group consisting of about 0.01% to about 25% by weight of at least one surface-active agent alone or on combination with a foam adjuvant; and about 0% to about 5% by weight of at least one polymeric agent alone or on combination with a foam adjuvant; and mixtures thereof. Pharmaceutical compositions comprising active agents, methods for their preparation, propellants suitable for use with the carriers and uses thereof are further described.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: September 6, 2022
    Assignee: Vyne Therapeutics Inc.
    Inventors: Dov Tamarkin, Helena Shifrin, Rita Keynan, Enbal Ziv, Tal Berman, David Schuz, Elana Gazal
  • Patent number: 11219631
    Abstract: A substantially surface active agent-free foamable composition which includes short-chain alcohol, water, polymer, fatty alcohol or fatty acid or a combination of fatty alcohol and fatty acid and propellant. A substantially surface active agent-free foamable composition which includes, water, polymer, fatty alcohol or fatty acid and propellant. A method of treatment using a substantially surface active agent-free foamable compositions.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: January 11, 2022
    Assignee: Vyne Pharmaceuticals Inc.
    Inventors: Dov Tamarkin, Enbal Ziv, Yohan Hazot, David Schuz
  • Patent number: 11103454
    Abstract: Unique foamable vehicles or carriers comprising at least one wax, waxy substance, counterpart or derivative, a stabilizer, water, and a propellant are provided. In some embodiments, the wax is a liquid wax. In some embodiments, the wax includes a solid wax and a liquid wax. The compositions are substantially free of crystals. The components are selected to provide a composition that is substantially resistant to aging and to phase separation, and/or can substantially solubilize and or stabilize active ingredients. Pharmaceutical and cosmetic compositions with potentially enhanced skin delivery and their uses are also provided.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: August 31, 2021
    Assignee: Vyne Therapeutics Inc.
    Inventors: Dov Tamarkin, Rita Keynan, David Schuz, Tal Berman
  • Patent number: 11033491
    Abstract: The present invention teaches a foamable pharmaceutical carrier comprising a benefit agent, selected from the group consisting of a dicarboxylic acid and a dicarboxylic acid ester; a stabilizer selected from the group consisting of at least one surface-active agent; at least one polymeric agent and mixtures thereof; a solvent selected from the group consisting of water, a hydrophilic solvent, a hydrophobic solvent, a potent solvent, a polar solvent, a silicone, an emollient, and mixtures thereof, wherein the benefit agent, stabilizer and solvent are selected to provide a composition that is substantially resistant to aging and to phase separation and or can substantially stabilize other active ingredients. The invention further relates to a foamable composition further containing a liquefied hydrocarbon gas propellant.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: June 15, 2021
    Assignee: Vyne Therapeutics Inc.
    Inventors: Dov Tamarkin, Doron Friedman, Tal Berman, Enbal Ziv, David Schuz
  • Patent number: 10967063
    Abstract: A substantially surface active agent-free and foam adjuvant-free composition which includes a hydrophobic solvent, a wax and a propellant. A substantially surface active agent-free and foam adjuvant-free composition, further comprising, a tetracycline antibiotic, or one or more other active agents. A method of treatment, using a substantially surface active agent-free and substantially foam adjuvant-free composition.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: April 6, 2021
    Assignee: Vyne Therapeutics Inc.
    Inventors: Dov Tamarkin, Elana Gazal, Irakliy Papiashvili, Yohan Hazot, David Schuz, Rita Keynan
  • Publication number: 20210077509
    Abstract: Methods of treatment and dosage regimes using hydrophobic gel or foam composition comprising a tetracycline antibiotic in treating or alleviating a disorder including, acne, acne related symptoms, a tetracycline antibiotic responsive acne related disorder, skin disorder caused by a bacteria, and a tetracycline antibiotic responsive sebaceous gland disease, P. acne bacteria associated disorders and other superficial infections, including skin infections wherein the foam composition or gel is administered topically to a target area on a subject having the disorder and wherein the target area comprises an area of skin.
    Type: Application
    Filed: September 18, 2020
    Publication date: March 18, 2021
    Inventors: Dov Tamarkin, Elana Gazal, Rita Keynan, Meir Eini, David Schuz
  • Patent number: 10946101
    Abstract: A substantially surface active agent free composition which includes a hydrophobic solvent, and/or a petrolatum, a paraffin wax and/or a fatty alcohol, a fatty acid and/or a wax and/or shea butter, with and without a propellant. A substantially surface active agent free composition, further comprising, a tetracycline antibiotic, or a vitamin D derivative, or one or more other active agents. A method of treatment using a substantially surface active agent free composition.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: March 16, 2021
    Assignee: Vyne Therapeutics Inc.
    Inventors: Dov Tamarkin, Elana Gazal, Irakliy Papiashvili, Yohan Hazot, David Schuz, Rita Keynan
  • Publication number: 20210069335
    Abstract: The present disclosure relates generally to compositions for cosmetic or pharmaceutical application. The compositions include a carrier and rheology modulators.
    Type: Application
    Filed: October 1, 2020
    Publication date: March 11, 2021
    Inventors: Dov Tamarkin, Elana Gazal, Yohan Hazot, David Schuz, Irakliy Papiashvili
  • Publication number: 20210038517
    Abstract: The present invention teaches a foamable pharmaceutical carrier comprising a benefit agent, selected from the group consisting of a dicarboxylic acid and a dicarboxylic acid ester; a stabilizer selected from the group consisting of at least one surface-active agent; at least one polymeric agent and mixtures thereof; a solvent selected from the group consisting of water, a hydrophilic solvent, a hydrophobic solvent, a potent solvent, a polar solvent, a silicone, an emollient, and mixtures thereof, wherein the benefit agent, stabilizer and solvent are selected to provide a composition that is substantially resistant to aging and to phase separation and or can substantially stabilize other active ingredients. The invention further relates to a foamable composition further containing a liquefied hydrocarbon gas propellant.
    Type: Application
    Filed: October 16, 2020
    Publication date: February 11, 2021
    Inventors: Dov Tamarkin, Doron Friedman, Tal Berman, Enbal Ziv, David Schuz
  • Publication number: 20210023226
    Abstract: A substantially surface active agent-free and foam adjuvant-free composition which includes a hydrophobic solvent, a wax and a propellant. A substantially surface active agent-free and foam adjuvant-free composition, further comprising, a tetracycline antibiotic, or one or more other active agents. A method of treatment, using a substantially surface active agent-free and substantially foam adjuvant-free composition.
    Type: Application
    Filed: October 9, 2020
    Publication date: January 28, 2021
    Inventors: Dov Tamarkin, Elana Gazal, Irakliy Papiashvili, Yohan Hazot, David Schuz, Rita Keynan
  • Publication number: 20210015928
    Abstract: The present disclosure relates generally to compositions for cosmetic or pharmaceutical application. The compositions include a carrier and rheology modulators.
    Type: Application
    Filed: September 29, 2020
    Publication date: January 21, 2021
    Inventors: Dov Tamarkin, Elana Gazal, Yohan Hazot, David Schuz, Irakliy Papiashvili
  • Publication number: 20210015927
    Abstract: A substantially surface active agent free composition which includes a hydrophobic solvent, and/or a petrolatum, a paraffin wax and/or a fatty alcohol, a fatty acid and/or a wax and/or shea butter, with and without a propellant. A substantially surface active agent free composition, further comprising, a tetracycline antibiotic, or a vitamin D derivative, or one or more other active agents. A method of treatment using a substantially surface active agent free composition.
    Type: Application
    Filed: September 25, 2020
    Publication date: January 21, 2021
    Inventors: Dov Tamarkin, Elana Gazal, Irakliy Papiashvili, Yohan Hazot, David Schuz, Rita Keynan
  • Publication number: 20210000842
    Abstract: Methods of treatment and dosage regimes using a composition comprising a tetracycline antibiotic in treating or alleviating a disorder including EGFRI associated rash, EGFRI associated rash related symptoms, a tetracycline antibiotic responsive EGFRI associated rash related disorder, skin disorder caused by a bacteria, and a tetracycline antibiotic responsive sebaceous gland disease, P. EGFRI associated rash bacteria associated disorders and other superficial infections, including skin infections are provided.
    Type: Application
    Filed: September 15, 2020
    Publication date: January 7, 2021
    Inventors: Meir EINI, Mitchell SHIRVAN, Rita KEYNAN, Tal BERMAN, David SCHUZ, Yohan HAZOT
  • Patent number: 10835613
    Abstract: The present disclosure relates generally to compositions for cosmetic or pharmaceutical application. The compositions include a carrier and rheology modulators.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: November 17, 2020
    Assignee: Foamix Pharmaceuticals Ltd.
    Inventors: Dov Tamarkin, Elana Gazal, Yohan Hazot, David Schuz, Irakliy Papiashvili
  • Patent number: 10821077
    Abstract: The present invention teaches a foamable pharmaceutical carrier comprising a benefit agent, selected from the group consisting of a dicarboxylic acid and a dicarboxylic acid ester; a stabilizer selected from the group consisting of at least one surface-active agent; at least one polymeric agent and mixtures thereof; a solvent selected from the group consisting of water, a hydrophilic solvent, a hydrophobic solvent, a potent solvent, a polar solvent, a silicone, an emollient, and mixtures thereof, wherein the benefit agent, stabilizer and solvent are selected to provide a composition that is substantially resistant to aging and to phase separation and or can substantially stabilize other active ingredients. The invention further relates to a foamable composition further containing a liquefied hydrocarbon gas propellant.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: November 3, 2020
    Assignee: Foamix Pharmaceuticals Ltd.
    Inventors: Dov Tamarkin, Doron Friedman, Tal Berman, Enbal Ziv, David Schuz
  • Patent number: 10821187
    Abstract: The present disclosure relates generally to compositions for cosmetic or pharmaceutical application. The compositions include a carrier and rheology modulators.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: November 3, 2020
    Assignee: Foamix Pharmaceuticals Ltd.
    Inventors: Dov Tamarkin, Elana Gazal, Yohan Hazot, David Schuz, Irakliy Papiashvili
  • Publication number: 20200261586
    Abstract: A topical therapeutic hydrophobic breakable composition includes a carrier comprising (a) about 60% to about 99% by weight of at least one hydrophobic oil; (b) at least one viscosity-modifying agents selected from the group consisting of a fatty alcohol, a fatty acid and a wax; and (c) a tetracycline antibiotic, characterized in that at least part of the tetracycline antibiotic is suspended in the composition; the viscosity of the composition is at least about 30% higher than the viscosity of the carrier without the tetracycline antibiotic; and is higher than the viscosity of the hydrophobic oil and the tetracycline antibiotic without the viscosity modifying agents. The tetracycline is chemically stable in the composition for at least six months; wherein more than about 90% of the tetracycline has not broken down. The composition is packaged as a breakable foam that breaks easily upon application of shear force.
    Type: Application
    Filed: February 28, 2020
    Publication date: August 20, 2020
    Applicant: Foamix Pharmaceuticals Ltd.
    Inventors: Dov Tamarkin, Elana Gazal, Irakliy Papiashvili, Yohan Hazot, David Schuz, Rita Keynan
  • Publication number: 20200222320
    Abstract: The present invention teaches a foamable pharmaceutical and cosmetic compositions comprising an aprotic polar solvent; foam compositions and uses thereof.
    Type: Application
    Filed: February 3, 2020
    Publication date: July 16, 2020
    Inventors: Dov Tamarkin, David Schuz, Tal Berman, Yohan Hazot