Patents Assigned to Stratatech Corporation
  • Patent number: 11911444
    Abstract: The present invention relates generally to compositions for treating patients that have skin cancer or have recently had skin cancers removed. More specifically, the present invention provides human skin substitutes engineered to express exogenous IL-12 and compositions and methods for making human skin substitutes engineered to express exogenous IL-12. In addition, the present invention provides methods for treatment of sites on a patient where skin cancers have been removed with human skin substitutes engineered to express exogenous IL-12.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: February 27, 2024
    Assignee: Stratatech Corporation
    Inventors: Allen R. Comer, B. Lynn Allen-Hoffmann
  • Patent number: 11406102
    Abstract: The present invention relates generally to tissue container systems that find use in the transport of tissues and methods of using the tissue container systems. In particular the present invention relates to systems that support the transport, thawing and use of cryopreserved human skin equivalents, and methods of their use by a health care provider.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: August 9, 2022
    Assignee: Stratatech Corporation
    Inventors: Justin Koepsel, Ken Gratz
  • Patent number: 11297829
    Abstract: The present invention relates generally to systems and methods for preparing, storing, shipping and using skin equivalents made by organotypic culture. In particular, the present invention relates to systems and methods for cryopreserving viable skin substitutes.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: April 12, 2022
    Assignee: Stratatech Corporation
    Inventors: B. Lynn Allen-Hoffmann, John C. Pirnstill, Kenneth R. Gratz, Allen R. Comer
  • Patent number: 10918768
    Abstract: The present invention relates generally to compositions for wound closure. More specifically, the present invention provides human skin equivalents engineered to express exogenous polypeptides (e.g., antimicrobial polypeptides and keratinocyte growth factor 2) and compositions and methods for making human skin equivalents engineered to express exogenous polypeptides. In addition, the present invention provides methods for treatment of wounds with human skin equivalents engineered to express exogenous polypeptides.
    Type: Grant
    Filed: July 16, 2018
    Date of Patent: February 16, 2021
    Assignee: Stratatech Corporation
    Inventors: John M. Centanni, B. Lynn Allen-Hoffman
  • Patent number: 10743533
    Abstract: The present invention relates generally to systems and methods for storing, shipping and using skin equivalents made by organotypic culture. In particular, the present invention relates to systems and methods for producing, transporting, storing and using skin equivalents produced by organotypic culture at reduced temperatures, preferably from 2-8 degrees Celsius. The methods include sterile packaging of the grafts so that the sterility and integrity of the package is maintained until the time of use for grafting purposes.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: August 18, 2020
    Assignee: Stratatech Corporation
    Inventors: B. Lynn Allen-Hoffmann, John Pirnstill
  • Patent number: 10091983
    Abstract: The present invention relates generally to systems and methods for preparing, storing, shipping and using skin equivalents made by organotypic culture. In particular, the present invention relates to systems and methods for cryopreserving viable skin substitutes.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: October 9, 2018
    Assignee: Stratatech Corporation
    Inventors: B. Lynn Allen-Hoffmann, John C. Pirnstill, Kenneth R. Gratz, Allen R. Comer
  • Patent number: 9867904
    Abstract: The present invention relates generally to systems and methods for preparing, storing, shipping and using skin equivalents made by organotypic culture. In particular, the present invention relates to systems and methods for producing, transporting, storing and using skin equivalents produced by organotypic culture at reduced temperatures, preferably from 2-8 degrees Celsius to ambient temperature. The methods include sterile packaging of the grafts so that the sterility and integrity of the package is maintained until the time of use for grafting purposes.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: January 16, 2018
    Assignee: Stratatech Corporation
    Inventors: Allen R. Comer, B. Lynn Allen-Hoffmann, Barry Steiglitz
  • Patent number: 9216202
    Abstract: The present invention relates generally to compositions for wound closure. More specifically, the present invention provides human skin equivalents engineered to express exogenous polypeptides (e.g., antimicrobial polypeptides and keratinocyte growth factor 2) and compositions and methods for making human skin equivalents engineered to express exogenous polypeptides. In addition, the present invention provides methods for treatment of wounds with human skin equivalents engineered to express exogenous polypeptides.
    Type: Grant
    Filed: December 9, 2005
    Date of Patent: December 22, 2015
    Assignee: Stratatech Corporation
    Inventors: John M. Centanni, Lynn Allen-Hoffmann
  • Patent number: 9163076
    Abstract: The present invention relates generally to compositions for wound healing. More specifically, the present invention provides human skin equivalents engineered to express exogenous proteinase inhibitor polypeptides (e.g., TIMP-1 polypeptides) and compositions and methods for making human skin equivalents engineered to express exogenous polypeptides. In addition, the present invention provides methods for treatment of wounds with human skin equivalents engineered to express exogenous polypeptides.
    Type: Grant
    Filed: March 1, 2006
    Date of Patent: October 20, 2015
    Assignee: Stratatech Corporation
    Inventors: B. Lynn Allen-Hoffmann, Cathy Ann-Rasmussen Ivarie, Christina L. Thomas-Virnig
  • Patent number: 8992997
    Abstract: The present invention relates generally to systems and methods for preparing, storing, shipping and using skin equivalents made by organotypic culture. In particular, the present invention relates to systems and methods for producing, transporting, storing and using skin equivalents produced by organotypic culture at reduced temperatures, preferably from 2-8 degrees Celsius to ambient temperature. The methods include sterile packaging of the grafts so that the sterility and integrity of the package is maintained until the time of use for grafting purposes.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: March 31, 2015
    Assignee: Stratatech Corporation
    Inventors: Allen R. Comer, B. Lynn Allen-Hoffmann, Barry Steiglitz
  • Patent number: 8808685
    Abstract: The present invention relates to in vitro cultured skin tissue, and in particular to cultured skin tissue comprising exogenous genes encoding angiogenic growth factors. In some embodiments, the keratinocytes express exogenous angiopoietin-1, HIF-1?, or a member of the VEGF family, preferably VEGF-A. In particularly preferred embodiments, the keratinocytes are incorporated into cultured skin tissue.
    Type: Grant
    Filed: August 1, 2011
    Date of Patent: August 19, 2014
    Assignee: Stratatech Corporation
    Inventors: Allen R. Comer, B. Lynn Allen-Hoffmann
  • Patent number: 8790636
    Abstract: The present invention relates generally to compositions for wound closure. More specifically, the present invention provides human skin equivalents engineered to express exogenous polypeptides (e.g., antimicrobial polypeptides and keratinocyte growth factor 2) and compositions and methods for making human skin equivalents engineered to express exogenous polypeptides. In addition, the present invention provides methods for treatment of wounds with human skin equivalents engineered to express exogenous polypeptides.
    Type: Grant
    Filed: January 4, 2012
    Date of Patent: July 29, 2014
    Assignee: Stratatech Corporation
    Inventors: John M. Centanni, B. Lynn Allen-Hoffmann
  • Patent number: 8685463
    Abstract: The present invention relates generally to systems and methods for preparing, storing, shipping and using skin equivalents made by organotypic culture. In particular, the present invention relates to systems and methods for producing, transporting, storing and using skin equivalents produced by organotypic culture at reduced temperatures, preferably from 2-8 degrees Celsius to ambient temperature. The methods include sterile packaging of the grafts so that the sterility and integrity of the package is maintained until the time of use for grafting purposes.
    Type: Grant
    Filed: October 15, 2013
    Date of Patent: April 1, 2014
    Assignee: Stratatech Corporation
    Inventors: Allen R. Comer, B. Lynn Allen-Hoffmann, Barry Steiglitz
  • Patent number: 8580314
    Abstract: The present invention relates generally to systems and methods for preparing, storing, shipping and using skin equivalents made by organotypic culture. In particular, the present invention relates to systems and methods for producing, transporting, storing and using skin equivalents produced by organotypic culture at reduced temperatures, preferably from 2-8 degrees Celsius to ambient temperature. The methods include sterile packaging of the grafts so that the sterility and integrity of the package is maintained until the time of use for grafting purposes.
    Type: Grant
    Filed: November 4, 2009
    Date of Patent: November 12, 2013
    Assignee: Stratatech Corporation
    Inventors: Allen R. Comer, B. Lynn Allen-Hoffmann, Barry Steiglitz
  • Patent number: 8092531
    Abstract: The present invention relates generally to compositions for wound closure. More specifically, the present invention provides human skin equivalents engineered to express exogenous polypeptides (e.g., antimicrobial polypeptides and keratinocyte growth factor 2) and compositions and methods for making human skin equivalents engineered to express exogenous polypeptides. In addition, the present invention provides methods for treatment of wounds with human skin equivalents engineered to express exogenous polypeptides.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: January 10, 2012
    Assignee: Stratatech Corporation
    Inventors: John M. Centanni, B. Lynn Allen-Hoffmann
  • Patent number: 7988959
    Abstract: The present invention relates to in vitro cultured skin tissue, and in particular to cultured skin tissue comprising exogenous genes encoding angiogenic growth factors. In some embodiments, the keratinocytes express exogenous angiopoietin-1, HIF-1?, or a member of the VEGF family, preferably VEGF-A. In particularly preferred embodiments, the keratinocytes are incorporated into cultured skin tissue.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: August 2, 2011
    Assignee: Stratatech Corporation
    Inventors: Allen R. Comer, B. Lynn Allen-Hoffmann
  • Patent number: 7955790
    Abstract: The present invention relates to in vitro cultured skin substitutes, and in particular to in vitro cultured skin substitutes that have improved barrier function. In some embodiments, improved barrier function is a result of improved culture conditions, while in other embodiments, improved barrier function results from genetic modification of keratinocytes. Improved culture conditions to improve barrier function include organotypic culture in the presence of linoleic acid and/or linoleic acid at about 75% humidity. Suitable genetic modifications for improving barrier function includes transfection with a DNA construct capable of expressing GKLF.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: June 7, 2011
    Assignee: Stratatech Corporation
    Inventors: Allen Comer, Lynn Allen-Hoffmann, Michael Hoffmann
  • Patent number: 7915042
    Abstract: The present invention relates to in vitro cultured skin tissue, and in particular to cultured skin tissue comprising exogenous genes encoding angiogenic growth factors. In some embodiments, the keratinocytes express exogenous angiopoietin-1 or a member of the VEGF family, preferably VEGF-A. In particularly preferred embodiments, the keratinocytes are incorporated into cultured skin tissue.
    Type: Grant
    Filed: February 25, 2009
    Date of Patent: March 29, 2011
    Assignee: Stratatech Corporation
    Inventors: Allen R. Comer, Michael Hoffmann, B. Lynn Allen-Hoffmann
  • Patent number: 7888496
    Abstract: The present invention relates to methods and compositions for the identification of species-specific material in pharmaceutical products. In particular, the present invention relates to methods for the identification of species-specific DNA in a population of a different species or following contact (e.g., growth) with cells of a different species.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: February 15, 2011
    Assignee: Stratatech Corporation
    Inventors: B. Lynn Allen-Hoffmann, John M. Centanni
  • Patent number: 7807148
    Abstract: The present invention relates to in vitro cultured skin tissue, and in particular to cultured skin tissue comprising exogenous genes encoding angiogenic growth factors. In some embodiments, the keratinocytes express exogenous angiopoietin-1, HIF-1?, or a member of the VEGF family, preferably VEGF-A. In particularly preferred embodiments, the keratinocytes are incorporated into cultured skin tissue.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: October 5, 2010
    Assignee: Stratatech Corporation
    Inventors: Allen Comer, Lynn-Allen Hoffmann