Patents Assigned to Dow Pharmaceutical Sciences, Inc.
  • Patent number: 9561208
    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: April 8, 2016
    Date of Patent: February 7, 2017
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow
  • Patent number: 9504704
    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: April 23, 2014
    Date of Patent: November 29, 2016
    Assignee: DOW PHARMACEUTICAL SCIENCES, INC.
    Inventors: Yunik Chang, Gordon J. Dow, Radhakrishnan Pillai
  • Patent number: 9302009
    Abstract: Methods and compositions for treating disorders of the nail and nail bed. Such compositions contain a vehicle in which all components of the composition are dissolved, suspended, dispersed, or emulsified, a non-volatile solvent, a wetting agent, and a pharmaceutically active ingredient that is soluble in the non-volatile solvent and/or a mixture of the vehicle and the non-volatile solvent, which composition has a surface tension of 40 dynes/cm or less and has continuing spreadability, and which composition is effective in treating a disorder of the nail or nail bed.
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: April 5, 2016
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Gareth Winckle, Gregory T. Fieldson
  • Patent number: 9078870
    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 28, 2013
    Date of Patent: July 14, 2015
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow
  • Patent number: 8895070
    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 28, 2013
    Date of Patent: November 25, 2014
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow
  • Patent number: 8877792
    Abstract: The combination of any two of a polyol, a polyol ether, and a low carbon organic alcohol provides a synergistic effect on the solubility of azole compounds, such as metronidazole, in aqueous fluid.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: November 4, 2014
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Meidong Yang, Haigang Chen
  • Publication number: 20140271826
    Abstract: The solubility of kinetin and/or of zeatin is increased when either or both are combined in a formulation that includes a polyoxyalkylene-n-glycerol dicarboxylate component and a fatty acid component. These two components provide a synergistic increase in the solubility of kinetin and/or zeatin that is greater than that which would be expected based on the solubility of kinetin and zeatin in the individual components.
    Type: Application
    Filed: March 17, 2014
    Publication date: September 18, 2014
    Applicant: Dow Pharmaceutical Sciences, Inc.
    Inventors: Pramod Sarpotdar, Sarmistha Basu, Varsha D. Bhatt, Yunik Chang, Gordon J. Dow
  • Patent number: 8809307
    Abstract: The potency of a topical corticosteroid in a pharmaceutical formulation is maintained even when the concentration of the corticosteroid is substantially reduced by providing the corticosteroid in a formulation containing a liquid oil component that includes a dicarboxylic acid ester and/or a monocarboxylic acid ester.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: August 19, 2014
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Arturo Angel, Gordon Dow
  • Publication number: 20140134252
    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 28, 2013
    Publication date: May 15, 2014
    Applicant: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow
  • Patent number: 8715700
    Abstract: An oil-in-water emulsion containing one or more alpha hydroxy acids in which the oil phase of the emulsion contains a high proportion of polar constituents. The emulsion, even at high concentrations of alpha hydroxy acid, is not irritating when applied to the skin.
    Type: Grant
    Filed: July 21, 2006
    Date of Patent: May 6, 2014
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Nayan Desai
  • Patent number: 8663699
    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: April 24, 2013
    Date of Patent: March 4, 2014
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow
  • Patent number: 8658678
    Abstract: The combination of any two of a polyol, a polyol ether, and a low carbon organic alcohol provides a synergistic effect on the solubility of azole compounds, such as metronidazole, in aqueous fluid.
    Type: Grant
    Filed: December 8, 2010
    Date of Patent: February 25, 2014
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Meidong Yang, Haigang Chen
  • Publication number: 20140051649
    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 28, 2013
    Publication date: February 20, 2014
    Applicant: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow
  • Publication number: 20140050792
    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 28, 2013
    Publication date: February 20, 2014
    Applicant: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow
  • Publication number: 20130236549
    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 24, 2013
    Publication date: September 12, 2013
    Applicant: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow
  • Publication number: 20130217742
    Abstract: The combination of any two of a polyol, a polyol ether, and a low carbon organic alcohol provides a synergistic effect on the solubility of azole compounds, such as metronidazole, in aqueous fluid.
    Type: Application
    Filed: April 2, 2013
    Publication date: August 22, 2013
    Applicant: Dow Pharmaceutical Sciences, Inc.
    Inventor: Dow Pharmaceutical Sciences, Inc.
  • Patent number: 8486978
    Abstract: Methods and compositions for treating disorders of the nail and nail bed. Such compositions contain a vehicle in which all components of the composition are dissolved, suspended, dispersed, or emulsified, a non-volatile solvent, a wetting agent, and a pharmaceutically active ingredient that is soluble in the non-volatile solvent and/or a mixture of the vehicle and the non-volatile solvent, which composition has a surface tension of 40 dynes/cm or less and has continuing spreadability, and which composition is effective in treating a disorder of the nail or nail bed.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: July 16, 2013
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Gareth Winckle, Gregory T. Fieldson
  • Publication number: 20130012460
    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: September 13, 2012
    Publication date: January 10, 2013
    Applicant: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow
  • Patent number: 8288434
    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: June 3, 2009
    Date of Patent: October 16, 2012
    Assignee: Dow Pharmaceutical Sciences, Inc.
    Inventors: Yunik Chang, Gordon J. Dow
  • Publication number: 20120190653
    Abstract: The present invention provides stable aqueous doxycycline aqueous solutions suitable for pharmaceutical, especially ophthalmic, use. The doxycycline aqueous solutions have a pH ranging from 4.5-8, and contain an antioxidant and a stabilizer such as caffeine, creatine or mixtures thereof. The solutions have improved lifetimes and can be used topically.
    Type: Application
    Filed: January 20, 2011
    Publication date: July 26, 2012
    Applicants: Dow Pharmaceutical Sciences, Inc., Advanced Vision Research, Inc.
    Inventors: JEFFREY P. GILBARD, ELIZABETH GILBARD, GREGORY FIELDSON, ROBERT B. HUSON