Patents by Inventor Radhakrishnan Pillai

Radhakrishnan Pillai 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: 20210023069
    Abstract: The present invention provides methods for treating onychomycosis. In certain embodiments, the methods comprise comprising applying a pharmaceutically acceptable formulation containing 10% efinaconazole once a day for a treatment period of at least 36 weeks to the treatment area of an onychomycosis patient (a) without debriding the nail or nail-associated tissue initially or during the treatment period and/or (b) without removing the formulation from the treatment area during the treatment period. In certain embodiments, the formulation also comprises, water, cyclomethicone, diisopropyl adipate, alcohol, C12-15 alkyl lactate, butylated hydroxytoluene, citric acid anhydrous, and disodium edetate.
    Type: Application
    Filed: October 5, 2020
    Publication date: January 28, 2021
    Inventors: Radhakrishnan Pillai, Gordon Dow
  • Patent number: 10864274
    Abstract: The present invention provides compositions containing efinaconazole, butylated hydroxytoluene, a salt of ethylenediaminetetraacetic acid, and optional citric acid. The compositions exhibit stable color profiles and are useful in the treatment of fungal infections.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: December 15, 2020
    Assignee: BAUSCH HEALTH IRELAND LIMITED
    Inventors: Varsha Bhatt, Nayan Desai, Radhakrishnan Pillai
  • Patent number: 10828293
    Abstract: The present invention provides methods for treating onychomycosis. In certain embodiments, the methods comprise comprising applying a pharmaceutically acceptable formulation containing 10% efinaconazole once a day for a treatment period of at least 36 weeks to the treatment area of an onychomycosis patient (a) without debriding the nail or nail-associated tissue initially or during the treatment period and/or (b) without removing the formulation from the treatment area during the treatment period. In certain embodiments, the formulation also comprises, water, cyclomethicone, diisopropyl adipate, alcohol, C12-15 alkyl lactate, butylated hydroxytoluene, citric acid anhydrous, and disodium edetate.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: November 10, 2020
    Assignee: DOW PHARMACEUTICAL SCIENCES, INC.
    Inventors: Radhakrishnan Pillai, Gordon Dow
  • Publication number: 20200297684
    Abstract: Topical pharmaceutical compositions comprise a combination of retinoid and an antibacterial agent. In particular, a topical composition comprises tretinoin and benzoyl peroxide. Such compositions are used for treating acne vulgaris.
    Type: Application
    Filed: March 18, 2020
    Publication date: September 24, 2020
    Inventors: Radhakrishnan Pillai, Varsha D. Bhatt
  • Publication number: 20200276218
    Abstract: An aqueous formulation for topical application to the skin comprising water, a water-miscible organic solvent, and benzoyl peroxide, wherein the concentration of the organic solvent is sufficient to provide a stable suspension of benzoyl peroxide in the aqueous formulation without the inclusion of a surfactant in the formulation, wherein the ratio of concentrations of water and organic solvent in the formulation is sufficient to maintain the benzoyl peroxide in saturated solubility in the formulation following application to the skin, and wherein the concentration of benzoyl peroxide in the formulation is less than 5.0% and at least 1.0% w/w. The formulation may further contain a chemical compound in addition to benzoyl peroxide that is effective in the treatment of acne. The aqueous formulations of the invention are useful in the treatment of acne and acne rosacea.
    Type: Application
    Filed: April 20, 2020
    Publication date: September 3, 2020
    Inventors: Yunik Chang, Gordon J. Dow, Radhakrishnan Pillai
  • Patent number: 10653656
    Abstract: In one aspect, topical pharmaceutical compositions for treating a skin condition or disorder are provided. In some embodiments, the topical pharmaceutical composition is formulated as a lotion and comprises a therapeutically effective amount of an active agent; a viscosity increasing agent; a polymeric emulsifier; and an oil component. In some embodiments, the topical pharmaceutical composition comprises tretinoin.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: May 19, 2020
    Assignee: Bausch Health Ireland Limited
    Inventors: Varsha Bhatt, Radhakrishnan Pillai
  • Patent number: 10624918
    Abstract: An aqueous formulation for topical application to the skin comprising water, a water-miscible organic solvent, and benzoyl peroxide, wherein the concentration of the organic solvent is sufficient to provide a stable suspension of benzoyl peroxide in the aqueous formulation without the inclusion of a surfactant in the formulation, wherein the ratio of concentrations of water and organic solvent in the formulation is sufficient to maintain the benzoyl peroxide in saturated solubility in the formulation following application to the skin, and wherein the concentration of benzoyl peroxide in the formulation is less than 5.0% and at least 1.0% w/w. The formulation may further contain a chemical compound in addition to benzoyl peroxide that is effective in the treatment of acne. The aqueous formulations of the invention are useful in the treatment of acne and acne rosacea.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: April 21, 2020
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow, Radhakrishnan Pillai
  • Publication number: 20190358329
    Abstract: The present invention provides compositions containing efinaconazole, butylated hydroxytoluene, a salt of ethylenediaminetetraacetic acid, and optional citric acid. The compositions exhibit stable color profiles and are useful in the treatment of fungal infections.
    Type: Application
    Filed: June 7, 2019
    Publication date: November 28, 2019
    Inventors: Varsha Bhatt, Nayan Desai, Radhakrishnan Pillai
  • Publication number: 20190307716
    Abstract: In one aspect, topical pharmaceutical compositions for treating a skin condition or disorder are provided. In some embodiments, the topical pharmaceutical composition is formulated as a lotion and comprises a therapeutically effective amount of an active agent; a viscosity increasing agent; a polymeric emulsifier; and an oil component. In some embodiments, the topical pharmaceutical composition comprises tretinoin.
    Type: Application
    Filed: August 22, 2018
    Publication date: October 10, 2019
    Inventors: Varsha Bhatt, Radhakrishnan Pillai
  • Publication number: 20190307717
    Abstract: Topical pharmaceutical compositions for treating a skin condition or disorder are provided. The topical pharmaceutical compositions can be formulated as lotions containing a therapeutically effective amount of an active agent, such as tretinoin, a viscosity increasing agent, and advantageously small amounts of both a polymeric emulsifier and an oil component. The topical compositions of the present invention are tolerated exceptionally well by subjects to whom the compositions are administered.
    Type: Application
    Filed: April 5, 2019
    Publication date: October 10, 2019
    Inventors: Varsha Bhatt, Radhakrishnan Pillai
  • Patent number: 10426787
    Abstract: Topical pharmaceutical compositions comprise a combination of a corticosteroid and a retinoid; and methods for treating psoriasis with same. In one embodiment, the corticosteroid comprises halobetasol propionate, and the retinoid comprises tazarotene.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: October 1, 2019
    Assignee: Bausch Health US, LLC
    Inventors: Gordon J. Dow, Radhakrishnan Pillai, Varsha D. Bhatt
  • Publication number: 20190231797
    Abstract: Topical pharmaceutical compositions comprise a combination of a corticosteroid a retinoid; and methods for treating psoriasis with same.
    Type: Application
    Filed: April 8, 2019
    Publication date: August 1, 2019
    Inventors: Gordon J. Dow, Radhakrishnan Pillai, Varsha D. Bhatt
  • Publication number: 20190209543
    Abstract: The present invention provides methods for treating onychomycosis. In certain embodiments, the methods comprise comprising applying a pharmaceutically acceptable formulation containing 10% efinaconazole once a day for a treatment period of at least 36 weeks to the treatment area of an onychomycosis patient (a) without debriding the nail or nail-associated tissue initially or during the treatment period and/or (b) without removing the formulation from the treatment area during the treatment period. In certain embodiments, the formulation also comprises, water, cyclomethicone, diisopropyl adipate, alcohol, C12-15 alkyl lactate, butylated hydroxytoluene, citric acid anhydrous, and disodium edetate.
    Type: Application
    Filed: March 14, 2019
    Publication date: July 11, 2019
    Inventors: Radhakrishnan Pillai, Gordon Dow
  • Patent number: 10342875
    Abstract: The present invention provides compositions containing efinaconazole, butylated hydroxytoluene, a salt of ethylenediaminetetraacetic acid, and optional citric acid. The compositions exhibit stable color profiles and are useful in the treatment of fungal infections.
    Type: Grant
    Filed: May 29, 2017
    Date of Patent: July 9, 2019
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Varsha Bhatt, Nayan Desai, Radhakrishnan Pillai
  • Publication number: 20190133942
    Abstract: Topical pharmaceutical compositions include tazarotene or a pharmaceutically acceptable salt of tazarotenic acid and an oil-in-water emulsion vehicle that forms a lotion. The compositions are used to treat skin diseases, such as acne vulgaris.
    Type: Application
    Filed: November 2, 2018
    Publication date: May 9, 2019
    Inventors: Angel Arturo, Radhakrishnan Pillai
  • Publication number: 20190133943
    Abstract: Topical pharmaceutical compositions include tazarotene or a pharmaceutically acceptable salt of tazarotenic acid and an oil-in-water emulsion vehicle that forms a lotion. The compositions are used to treat skin diseases, such as acne vulgaris.
    Type: Application
    Filed: November 2, 2018
    Publication date: May 9, 2019
    Inventors: Angel Arturo, Radhakrishnan Pillai
  • Publication number: 20190125776
    Abstract: An aqueous formulation for topical application to the skin comprising water, a water-miscible organic solvent, and benzoyl peroxide, wherein the concentration of the organic solvent is sufficient to provide a stable suspension of benzoyl peroxide in the aqueous formulation without the inclusion of a surfactant in the formulation, wherein the ratio of concentrations of water and organic solvent in the formulation is sufficient to maintain the benzoyl peroxide in saturated solubility in the formulation following application to the skin, and wherein the concentration of benzoyl peroxide in the formulation is less than 5.0% and at least 1.0% w/w. The formulation may further contain a chemical compound in addition to benzoyl peroxide that is effective in the treatment of acne. The aqueous formulations of the invention are useful in the treatment of acne and acne rosacea.
    Type: Application
    Filed: October 26, 2018
    Publication date: May 2, 2019
    Inventors: Yunik Chang, Gordon J. Dow, Radhakrishnan Pillai
  • Patent number: 10251895
    Abstract: Topical pharmaceutical compositions comprise a combination of a corticosteroid a retinoid; and methods for treating psoriasis with same.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: April 9, 2019
    Assignee: Valeant Pharmaceuticals North America
    Inventors: Gordon J. Dow, Radhakrishnan Pillai, Varsha D. Bhatt
  • Patent number: 10245257
    Abstract: The present invention provides methods for treating onychomycosis. In certain embodiments, the methods comprise comprising applying a pharmaceutically acceptable formulation containing 10% efinaconazole once a day for a treatment period of at least 36 weeks to the treatment area of an onychomycosis patient (a) without debriding the nail or nail-associated tissue initially or during the treatment period and/or (b) without removing the formulation from the treatment area during the treatment period. In certain embodiments, the formulation also comprises, water, cyclomethicone, diisopropyl adipate, alcohol, C12-15 alkyl lactate, butylated hydroxytoluene, citric acid anhydrous, and disodium edetate.
    Type: Grant
    Filed: November 24, 2014
    Date of Patent: April 2, 2019
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Radhakrishnan Pillai, Gordon Dow
  • Patent number: 10137142
    Abstract: An aqueous formulation for topical application to the skin comprising water, a water-miscible organic solvent, and benzoyl peroxide, wherein the concentration of the organic solvent is sufficient to provide a stable suspension of benzoyl peroxide in the aqueous formulation without the inclusion of a surfactant in the formulation, wherein the ratio of concentrations of water and organic solvent in the formulation is sufficient to maintain the benzoyl peroxide in saturated solubility in the formulation following application to the skin, and wherein the concentration of benzoyl peroxide in the formulation is less than 5.0% and at least 1.0% w/w. The formulation may further contain a chemical compound in addition to benzoyl peroxide that is effective in the treatment of acne. The aqueous formulations of the invention are useful in the treatment of acne and acne rosacea.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: November 27, 2018
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow, Radhakrishnan Pillai