Patents by Inventor Rita KEYNAN

Rita KEYNAN 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
  • 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: 11324691
    Abstract: Provided are compositions and methods for treating rosacea and acne. Specifically, a gel or foam composition having a tetracycline antibiotic and uses thereof for treating rosacea and acne are provided.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: May 10, 2022
    Assignee: Journey Medical Corporation
    Inventors: Dov Tamarkin, Meir Eini, Yohan Hazot, Mitchell Shirvan, Tal Hetzroni Kedem, Rita Keynan
  • 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
  • Publication number: 20210205212
    Abstract: Provided are compositions and methods for treating rosacea and acne. Specifically, a gel or foam composition having a tetracycline antibiotic and uses thereof for treating rosacea and acne are provided.
    Type: Application
    Filed: October 20, 2020
    Publication date: July 8, 2021
    Inventors: Dov Tamarkin, Meir Eini, Yohan Hazot, Mitchell Shirvan, Tal Hetzroni Kedem, Rita Keynan
  • 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: 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: 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: 10849847
    Abstract: Provided are compositions and methods for treating rosacea and acne. Specifically, a gel or foam composition having a tetracycline antibiotic and uses thereof for treating rosacea and acne are provided.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: December 1, 2020
    Assignee: Foamix Pharamaceuticals Ltd.
    Inventors: Dov Tamarkin, Meir Eini, Yohan Hazot, Mitchell Shirvan, Tal Hetzroni Kedem, Rita Keynan
  • 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: 20200171057
    Abstract: Methods of treatment and dosage regimes using hydrophobic gel or foam compositions comprising a tetracycline antibiotic for accelerating the return of skin integrity and or in treating or alleviating a disorder including impetigo, acne, rosacea, a skin disease caused by a bacteria or a tetracycline antibiotic responsive disease, 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, or mucosa or an eye.
    Type: Application
    Filed: October 30, 2019
    Publication date: June 4, 2020
    Inventors: Dov Tamarkin, Elana Gazal, Rita Keynan, Meir Eini, David Schuz
  • Patent number: 10610599
    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: Grant
    Filed: September 20, 2019
    Date of Patent: April 7, 2020
    Assignee: Foamix Pharmaceuticals Ltd.
    Inventors: Dov Tamarkin, Elana Gazal, Irakliy Papiashvili, Yohan Hazot, David Schuz, Rita Keynan
  • Publication number: 20200038324
    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: Application
    Filed: June 18, 2019
    Publication date: February 6, 2020
    Inventors: Dov Tamarkin, Rita Keynan, David Schuz, Tal Berman
  • Publication number: 20200016068
    Abstract: Provided are compositions and methods for treating rosacea and acne. Specifically, a gel or foam composition having a tetracycline antibiotic and uses thereof for treating rosacea and acne are provided.
    Type: Application
    Filed: July 11, 2019
    Publication date: January 16, 2020
    Inventors: Dov Tamarkin, Meir Eini, Yohan Hazot, Mitchell Shirvan, Tal Hetzroni Kedem, Rita Keynan
  • Publication number: 20200016271
    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: September 20, 2019
    Publication date: January 16, 2020
    Inventors: Dov Tamarkin, Elana Gazal, Irakliy Papiashvili, Yohan Hazot, David Schuz, Rita Keynan
  • Patent number: 10517882
    Abstract: Methods of treatment and dosage regimes using hydrophobic gel or foam compositions comprising a tetracycline antibiotic for accelorating the return of skin integrity and or in treating or alleviating a disorder including impetigo, acne, rosacea, a skin disease caused by a bacteria or a tetracycline antibiotic responsive disease, 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, or mucosa or an eye.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: December 31, 2019
    Assignee: Foamix Pharmaceuticals Ltd.
    Inventors: Dov Tamarkin, Elana Gazal, Rita Keynan, Meir Eini, David Schuz
  • Patent number: 10463742
    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 or 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: Grant
    Filed: April 17, 2019
    Date of Patent: November 5, 2019
    Assignee: Foamix Pharmaceuticals Ltd.
    Inventors: Dov Tamarkin, Elana Gazal, Irakliy Papiashvili, Yohan Hazot, David Schuz, Rita Keynan