Patents Assigned to Stratatech Corporation
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Patent number: 11911444Abstract: 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: GrantFiled: October 2, 2018Date of Patent: February 27, 2024Assignee: Stratatech CorporationInventors: Allen R. Comer, B. Lynn Allen-Hoffmann
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Patent number: 11406102Abstract: 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: GrantFiled: January 26, 2018Date of Patent: August 9, 2022Assignee: Stratatech CorporationInventors: Justin Koepsel, Ken Gratz
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Patent number: 11297829Abstract: 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: GrantFiled: September 5, 2018Date of Patent: April 12, 2022Assignee: Stratatech CorporationInventors: B. Lynn Allen-Hoffmann, John C. Pirnstill, Kenneth R. Gratz, Allen R. Comer
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Patent number: 10918768Abstract: 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: GrantFiled: July 16, 2018Date of Patent: February 16, 2021Assignee: Stratatech CorporationInventors: John M. Centanni, B. Lynn Allen-Hoffman
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Patent number: 10743533Abstract: 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: GrantFiled: December 12, 2016Date of Patent: August 18, 2020Assignee: Stratatech CorporationInventors: B. Lynn Allen-Hoffmann, John Pirnstill
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Patent number: 10091983Abstract: 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: GrantFiled: March 13, 2014Date of Patent: October 9, 2018Assignee: Stratatech CorporationInventors: B. Lynn Allen-Hoffmann, John C. Pirnstill, Kenneth R. Gratz, Allen R. Comer
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Patent number: 9867904Abstract: 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: GrantFiled: December 13, 2016Date of Patent: January 16, 2018Assignee: Stratatech CorporationInventors: Allen R. Comer, B. Lynn Allen-Hoffmann, Barry Steiglitz
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Patent number: 9216202Abstract: 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: GrantFiled: December 9, 2005Date of Patent: December 22, 2015Assignee: Stratatech CorporationInventors: John M. Centanni, Lynn Allen-Hoffmann
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Patent number: 9163076Abstract: 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: GrantFiled: March 1, 2006Date of Patent: October 20, 2015Assignee: Stratatech CorporationInventors: B. Lynn Allen-Hoffmann, Cathy Ann-Rasmussen Ivarie, Christina L. Thomas-Virnig
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Patent number: 8992997Abstract: 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: GrantFiled: March 20, 2014Date of Patent: March 31, 2015Assignee: Stratatech CorporationInventors: Allen R. Comer, B. Lynn Allen-Hoffmann, Barry Steiglitz
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Patent number: 8808685Abstract: 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: GrantFiled: August 1, 2011Date of Patent: August 19, 2014Assignee: Stratatech CorporationInventors: Allen R. Comer, B. Lynn Allen-Hoffmann
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Patent number: 8790636Abstract: 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: GrantFiled: January 4, 2012Date of Patent: July 29, 2014Assignee: Stratatech CorporationInventors: John M. Centanni, B. Lynn Allen-Hoffmann
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Patent number: 8685463Abstract: 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: GrantFiled: October 15, 2013Date of Patent: April 1, 2014Assignee: Stratatech CorporationInventors: Allen R. Comer, B. Lynn Allen-Hoffmann, Barry Steiglitz
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Patent number: 8580314Abstract: 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: GrantFiled: November 4, 2009Date of Patent: November 12, 2013Assignee: Stratatech CorporationInventors: Allen R. Comer, B. Lynn Allen-Hoffmann, Barry Steiglitz
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Patent number: 8092531Abstract: 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: GrantFiled: January 20, 2010Date of Patent: January 10, 2012Assignee: Stratatech CorporationInventors: John M. Centanni, B. Lynn Allen-Hoffmann
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Patent number: 7988959Abstract: 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: GrantFiled: September 21, 2010Date of Patent: August 2, 2011Assignee: Stratatech CorporationInventors: Allen R. Comer, B. Lynn Allen-Hoffmann
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Patent number: 7955790Abstract: 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: GrantFiled: July 16, 2008Date of Patent: June 7, 2011Assignee: Stratatech CorporationInventors: Allen Comer, Lynn Allen-Hoffmann, Michael Hoffmann
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Patent number: 7915042Abstract: 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: GrantFiled: February 25, 2009Date of Patent: March 29, 2011Assignee: Stratatech CorporationInventors: Allen R. Comer, Michael Hoffmann, B. Lynn Allen-Hoffmann
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Patent number: 7888496Abstract: 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: GrantFiled: December 5, 2008Date of Patent: February 15, 2011Assignee: Stratatech CorporationInventors: B. Lynn Allen-Hoffmann, John M. Centanni
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Patent number: 7807148Abstract: 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: GrantFiled: May 19, 2004Date of Patent: October 5, 2010Assignee: Stratatech CorporationInventors: Allen Comer, Lynn-Allen Hoffmann