Patents by Inventor James N. Chang

James N. Chang 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: 20230165945
    Abstract: Improved dermal filler formulation comprising a hyaluronic acid and a botulinum toxin.
    Type: Application
    Filed: July 11, 2022
    Publication date: June 1, 2023
    Inventors: Ahmet Tezel, Wendy M. Blanda, Patrick M. Hughes, Scott M. Whitcup, James N. Chang, Michael R. Robinson
  • Publication number: 20220370573
    Abstract: Improved dermal filler formulation comprising a hyaluronic acid and a botulinum toxin.
    Type: Application
    Filed: December 3, 2021
    Publication date: November 24, 2022
    Inventors: Ahmet Tezel, Wendy M. Blanda, Patrick M. Hughes, Scott M. Whitcup, James N. Chang, Michael R. Robinson
  • Publication number: 20210322318
    Abstract: Biocompatible implants comprising a cyclic lipid therapeutic agent are made using a low temperature melt extrusion process. The implants are suitable for intraocular use to treat an ocular condition.
    Type: Application
    Filed: March 4, 2021
    Publication date: October 21, 2021
    Inventors: Lon T. Spada, James N. Chang, Michelle H. Luu
  • Publication number: 20210251961
    Abstract: The present invention provides for compositions for administering a therapeutically effective amount of a therapeutic component. The compositions may include an ophthalmically acceptable carrier component; a therapeutically effective amount of a therapeutic component; and a retention component which may be effective to reduce wettability, induce viscosity, increase muco-adhesion increase meniscus height on a cornea of an eye and/or increase physical apposition to a cornea of an eye of a composition.
    Type: Application
    Filed: December 23, 2020
    Publication date: August 19, 2021
    Inventors: Joseph G. Vehige, James N. Chang, Richard Graham, Robert T. Lyons, Teresa H. Kuan, Chin-Ming Chang
  • Patent number: 10792345
    Abstract: Improved dermal filler formulation comprising a hyaluronic acid and a botulinum toxin.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: October 6, 2020
    Assignee: ALLERGAN, INC.
    Inventors: Ahmet Tezel, Wendy M. Blanda, Patrick M. Hughes, Scott M. Whitcup, James N. Chang, Michael R. Robinson
  • Publication number: 20200054757
    Abstract: A composition comprising from about 0.001% to about 0.4% cyclosporin A, a surfactant, and an oil having a specific gravity from 0.8 to 0.95 is disclosed herein.
    Type: Application
    Filed: October 28, 2019
    Publication date: February 20, 2020
    Inventors: James N. Chang, Orest Olejnik, Bruce A. Firestone
  • Publication number: 20200038326
    Abstract: Biocompatible implants comprising a cyclic lipid therapeutic agent are made using a low temperature melt extrusion process. The implants are suitable for intraocular use to treat an ocular condition.
    Type: Application
    Filed: October 14, 2019
    Publication date: February 6, 2020
    Inventors: Lon T. Spada, James N. Chang, Michelle H. Luu
  • Patent number: 10507229
    Abstract: A composition is disclosed herein comprising from about 0.001% to about 0.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: December 17, 2019
    Assignee: Saint Regis Mohawk Tribe
    Inventors: James N. Chang, Orest Olejnik, Bruce A. Firestone
  • Patent number: 10456474
    Abstract: A composition comprising from about 0.001% to about 0.4% cyclosporin A, a surfactant, and an oil having a specific gravity from 0.8 to 0.95 is disclosed herein.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: October 29, 2019
    Assignee: Saint Regis Mohawk Tribe
    Inventors: James N. Chang, Orest Olejnik, Bruce A. Firestone
  • Patent number: 10441543
    Abstract: Biocompatible implants comprising a cyclic lipid therapeutic agent are made using a low temperature melt extrusion process. The implants are suitable for intraocular use to treat an ocular condition.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: October 15, 2019
    Assignee: Allergan, Inc.
    Inventors: Lon T. Spada, James N. Chang, Michelle H. Luu
  • Publication number: 20190070252
    Abstract: A composition is disclosed herein comprising from about 0.001% to about 0.
    Type: Application
    Filed: March 27, 2018
    Publication date: March 7, 2019
    Inventors: James N. Chang, Orest Olejnik, Bruce A. Firestone
  • Publication number: 20180078606
    Abstract: Methods of treating an eye of a human or animal include administering to an eye of a human or animal a composition in the form of an emulsion including water, a hydrophobic component and a cyclosporin component in a therapeutically effective amount of less than 0.1% by weight of the composition. The weight ratio of the cyclosporin component to the hydrophobic component is less than 0.8.
    Type: Application
    Filed: May 3, 2017
    Publication date: March 22, 2018
    Inventors: Andrew Acheampong, Diane D. Tang-Liu, James N. Chang, David F. Power
  • Publication number: 20170216414
    Abstract: Improved dermal filler formulation comprising a hyaluronic acid and a botulinum toxin.
    Type: Application
    Filed: April 17, 2017
    Publication date: August 3, 2017
    Inventors: Ahmet Tezel, Wendy M. Blanda, Patrick M. Hughes, Scott M. Whitcup, James N. Chang, Michael R. Robinson
  • Patent number: 9622957
    Abstract: Improved dermal filler formulation comprising a hyaluronic acid and a botulinum toxin.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: April 18, 2017
    Assignee: Allergan, Inc.
    Inventors: Ahmet Tezel, Wendy M. Blanda, Patrick M. Hughes, Scott M. Whitcup, James N. Chang, Michael R. Robinson
  • Publication number: 20160354384
    Abstract: A composition comprising from 0.005% to 0.02% bimatoprost by weight and from 100 ppm to 250 ppm benzalkonium chloride, wherein said composition is an aqueous liquid which is formulated for ophthalmic administration is disclosed herein. A method which is useful in treating glaucoma or ocular hypertension related thereto is also disclosed herein.
    Type: Application
    Filed: May 5, 2016
    Publication date: December 8, 2016
    Inventors: CHIN-MING CHANG, JAMES N. CHANG, RHETT M. SCHIFFMAN, R. SCOTT JORDAN, JOAN-EN CHANG-LIN
  • Publication number: 20160250225
    Abstract: A composition comprising from 0.005% to 0.02% bimatoprost by weight and from 100 ppm to 250 ppm benzalkonium chloride, wherein said composition is an aqueous liquid which is formulated for ophthalmic administration is disclosed herein. A method which is useful in treating glaucoma or ocular hypertension related thereto is also disclosed herein.
    Type: Application
    Filed: October 6, 2015
    Publication date: September 1, 2016
    Inventors: Chin-Ming Chang, James N. Chang, Rhett M. Schiffman, R. Scott Jordan, Joan-En Chang-Lin
  • Publication number: 20160243032
    Abstract: Biocompatible intraocular implants include a steroid and an auxiliary agent, where the auxiliary agent is present in an amount sufficient to lessen the severity of at least one side effect compared to the use of an otherwise identical implant lacking said auxiliary agent. The steroid and the auxiliary agent may be present on the same intraocular implant or on different implants. The steroid and auxiliary agent may be associated with a biodegradable polymer matrix, such as a matrix of a two biodegradable polymers. Or, the steroid may be associated with a polymeric coating having one or more openings effective to permit the steroid to be released into an external environment. The implants containing the steroid and an auxiliary agent may be placed in an eye to treat one or more ocular conditions while reducing the side effects otherwise accompanying steroid use.
    Type: Application
    Filed: May 2, 2016
    Publication date: August 25, 2016
    Inventors: Glenn T. Huang, Thierry Nivaggioli, Lon T. Spada, Hiroshi Sugimoto, Wendy M. Blanda, James N. Chang, Orest Olejnik
  • Publication number: 20160143988
    Abstract: Methods of treating an eye of a human or animal include administering to an eye of a human or animal a composition in the form of an emulsion including water, a hydrophobic component and a cyclosporin component in a therapeutically effective amount of less than 0.1% by weight of the composition. The weight ratio of the cyclosporin component to the hydrophobic component is less than 0.8.
    Type: Application
    Filed: January 29, 2016
    Publication date: May 26, 2016
    Inventors: Andrew Acheampong, Diane D. Tang-Liu, James N. Chang, David F. Power
  • Patent number: 9327059
    Abstract: Biocompatible intraocular implants include a steroid and an auxiliary agent, where the auxiliary agent is present in an amount sufficient to lessen the severity of at least one side effect compared to the use of an otherwise identical implant lacking said auxiliary agent. The steroid and the auxiliary agent may be present on the same intraocular implant or on different implants. The steroid and auxiliary agent may be associated with a biodegradable polymer matrix, such as a matrix of a two biodegradable polymers. Or, the steroid may be associated with a polymeric coating having one or more openings effective to permit the steroid to be released into an external environment. The implants containing the steroid and an auxiliary agent may be placed in an eye to treat one or more ocular conditions while reducing the side effects otherwise accompanying steroid use.
    Type: Grant
    Filed: July 7, 2014
    Date of Patent: May 3, 2016
    Assignee: Allergan, Inc.
    Inventors: Glenn T. Huang, Thierry Nivaggioli, Lon T. Spada, Hiroshi Sugimoto, Wendy M. Blanda, James N. Chang, Orest Olejnik
  • Patent number: 9265775
    Abstract: Compositions, and methods of using such compositions, useful for injection into the posterior segments of human or animal eyes are provided. Such compositions include corticosteroid component-containing particles present in a therapeutically effective amount, a viscosity inducing component, and an aqueous carrier component. The compositions have viscosities of at least about 10 cps or about 100 cps at a shear rate of 0.1/second. In a preferred embodiment, the viscosity is in the range of from about 140,000 cps to about 300,000 cps. The compositions advantageously suspend the particles for prolonged periods of time.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: February 23, 2016
    Assignee: Allergan, Inc.
    Inventors: Robert T. Lyons, James N. Chang, John T. Trogden, Scott Whitcup