Patents by Inventor Scott A. Zawko

Scott A. Zawko 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).

  • Hydrogel Membrane for Adhesion Prevention
    Publication number: 20150320915
    Abstract: A biocompatible membrane comprised of alginate and hyaluronate. The membrane may be used to prevent unwanted scarring after surgery. The tissue adherence and the rate of bioresorption of the membrane may be modified through an external stimulus comprising a sequestering agent and a viscosity modifier.
    Type: Application
    Filed: December 11, 2013
    Publication date: November 12, 2015
    Inventors: Christine E. Schmidt, Scott A. Zawko, Sarah M. Mayes
  • Dendritic Macroporous Hydrogels Prepared By Crystal Templating
    Publication number: 20140242126
    Abstract: The present invention includes a hydrogel and a method of making a porous hydrogel by preparing an aqueous mixture of an uncrosslinked polymer and a crystallizable molecule; casting the mixture into a vessel; allowing the cast mixture to dry to form an amorphous hydrogel film; seeding the cast mixture with a seed crystal of the crystallizable molecule; growing the crystallizable molecule into a crystal structure within the uncrosslinked polymer; crosslinking the polymer around the crystal structure under conditions in which the crystal structure within the crosslinked polymer is maintained; and dissolving the crystals within the crosslinked polymer to form the porous hydrogel.
    Type: Application
    Filed: May 14, 2014
    Publication date: August 28, 2014
    Inventors: Scott Zawko, Christine Schmidt
  • Dendritic macroporous hydrogels prepared by crystal templating
    Patent number: 8728499
    Abstract: The present invention includes a hydrogel and a method of making a porous hydrogel by preparing an aqueous mixture of an uncrosslinked polymer and a crystallizable molecule; casting the mixture into a vessel; allowing the cast mixture to dry to form an amorphous hydrogel film; seeding the cast mixture with a seed crystal of the crystallizable molecule; growing the crystallizable molecule into a crystal structure within the uncrosslinked polymer; crosslinking the polymer around the crystal structure under conditions in which the crystal structure within the crosslinked polymer is maintained; and dissolving the crystals within the crosslinked polymer to form the porous hydrogel.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: May 20, 2014
    Assignee: Board of Regents, The University of Texas System
    Inventors: Scott Zawko, Christine Schmidt
  • Dendritic macroporous hydrogels prepared by crystal templating
    Patent number: 8668863
    Abstract: The present invention includes a hydrogel and a method of making a porous hydrogel by preparing an aqueous mixture of an uncrosslinked polymer and a crystallizable molecule; casting the mixture into a vessel; allowing the cast mixture to dry to form an amorphous hydrogel film; seeding the cast mixture with a seed crystal of the crystallizable molecule; growing the crystallizable molecule into a crystal structure within the uncrosslinked polymer; crosslinking the polymer around the crystal structure under conditions in which the crystal structure within the crosslinked polymer is maintained; and dissolving the crystals within the crosslinked polymer to form the porous hydrogel.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: March 11, 2014
    Assignee: Board of Regents, The University of Texas System
    Inventors: Scott Zawko, Christine E. Schmidt
  • Dendritic Macroporous Hydrogels Prepared By Crystal Templating
    Publication number: 20130266618
    Abstract: The present invention includes a hydrogel and a method of making a porous hydrogel by preparing an aqueous mixture of an uncrosslinked polymer and a crystallizable molecule; casting the mixture into a vessel; allowing the cast mixture to dry to form an amorphous hydrogel film; seeding the cast mixture with a seed crystal of the crystallizable molecule; growing the crystallizable molecule into a crystal structure within the uncrosslinked polymer; crosslinking the polymer around the crystal structure under conditions in which the crystal structure within the crosslinked polymer is maintained; and dissolving the crystals within the crosslinked polymer to form the porous hydrogel.
    Type: Application
    Filed: June 4, 2013
    Publication date: October 10, 2013
    Inventors: Scott Zawko, Christine Schmidt
  • Dendritic Macroporous Hydrogels Prepared by Crystal Templating
    Publication number: 20110008442
    Abstract: The present invention includes a hydrogel and a method of making a porous hydrogel by preparing an aqueous mixture of an uncrosslinked polymer and a crystallizable molecule; casting the mixture into a vessel; allowing the cast mixture to dry to form an amorphous hydrogel film; seeding the cast mixture with a seed crystal of the crystallizable molecule; growing the crystallizable molecule into a crystal structure within the uncrosslinked polymer; crosslinking the polymer around the crystal structure under conditions in which the crystal structure within the crosslinked polymer is maintained; and dissolving the crystals within the crosslinked polymer to form the porous hydrogel.
    Type: Application
    Filed: February 26, 2009
    Publication date: January 13, 2011
    Applicant: BOARD OF REGENTS, THE UNIVERSITY OF TEXAS SYSTEM
    Inventors: Scott Zawko, Christine E. Schmidt