Patents by Inventor Guillermo Ameer

Guillermo Ameer 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: 20200384113
    Abstract: Compositions and methods are provided for improved wound healing. In particular, provided herein are compositions and methods for the direct delivery of Sirtuin-1 (Sirt1) or vectors encoding Sirt1 to the wounds (e.g., of diabetic patients).
    Type: Application
    Filed: May 13, 2020
    Publication date: December 10, 2020
    Inventors: Guillermo A. Ameer, Michele Jen, Jian Yang
  • Publication number: 20200179574
    Abstract: Provided herein are methods, compositions, devices, and systems for the 3D printing of biomedical implants. In particular, methods and systems are provided for 3D printing of biomedical devices (e.g., endovascular stents) using photo-curable biomaterial inks (e.g., or methacrylated poly(diol citrate)).
    Type: Application
    Filed: February 19, 2020
    Publication date: June 11, 2020
    Inventors: Jian Yang, Evan C. Baker, Henry O. T. Ware, Fan Zhou, Cheng Sun, Guillermo A. Ameer, Robert Van Lith
  • Patent number: 10653782
    Abstract: Compositions and methods are provided for improved wound healing. In particular, provided herein are compositions and methods for the direct delivery of Sirtuin-1 (Sirt1) or vectors encoding Sirt1 to the wounds (e.g., of diabetic patients). In some embodiments, provided herein are therapeutic devices comprising: (a) a vector encoding Sirtuin-1 (Sirt 1); and (b) a hydrogel carrier. In some embodiments, the vector comprises a viral vector comprising a polynucleotide sequence encoding Sirt 1. In some embodiments, the vector comprises a non-viral vector comprising a polynucleotide sequence encoding Sirt1.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: May 19, 2020
    Assignee: Nortwestern University
    Inventors: Guillermo A. Ameer, Michele Jen
  • Patent number: 10561761
    Abstract: Provided herein are polymer and metal organic frameworks (MOFs) composites, and methods of use and preparation thereof. In particular, Poly(polyethyleneglycol citrate-co-N-isopropylacrylamide) (PPCN) and copper MOF composites are provided.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: February 18, 2020
    Assignee: Northwestern University
    Inventors: Jisheng Xiao, Guillermo A. Ameer
  • Publication number: 20190345262
    Abstract: Provided herein is technology relating to anticoagulant therapies and particularly, but not exclusively, to anticoagulant compositions for localized and targeted administration and related methods and kits for treatment of a subject with a localized and targeted anticoagulant therapy.
    Type: Application
    Filed: November 10, 2017
    Publication date: November 14, 2019
    Inventors: Guillermo A. Ameer, Yunxiao Zhu
  • Publication number: 20190336648
    Abstract: Provided herein are injectable, thermoresponsive hydrogels that are liquid at room temperature, provide a carrier material, and gel at body temperature to allow for controlled release. In particular, PPCN-based hydrogels are provided with therapeutic agents (e.g., drugs, ions, etc.) incorporated within or appended thereto, and methods of preparation and use thereof, for example, for the promotion of bone formation/repair and/or the treatment of bone diseases.
    Type: Application
    Filed: December 8, 2017
    Publication date: November 7, 2019
    Inventors: Guillermo A. Ameer, Simona Morochnik
  • Patent number: 10463745
    Abstract: Provided herein are materials for the promotion of tissue regeneration, and methods of promoting tissue regeneration and wound healing therewith. In particular, materials displaying laminin-derived peptide sequences that facilitate cell migration into the material, and methods of use thereof, are provided.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: November 5, 2019
    Assignee: Northwestern University
    Inventors: Yunxiao Zhu, Zdravka Cankova, Milan Mrksich, Guillermo A. Ameer
  • Patent number: 10463769
    Abstract: Provided herein are bioactivated polymer/extracellular matrix (ECM) composites and methods of preparation and use thereof. In particular, heparinized cysteine-polymer/ECM composites, and methods of preparation and use thereof, are provided. In some embodiments, provided herein are compositions comprising a composite of: (a) extracellular matrix (ECM), and (b) a polyester covalently linked to a bioactive agent. In some embodiments, the composite is a homogeneous composite. In some embodiments, the ECM is decellularized ECM. In some embodiments, the ECM is not substantially crosslinked.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: November 5, 2019
    Assignee: Northwestern University
    Inventors: Guillermo A. Ameer, Jason A. Wertheim, Bin Jiang
  • Publication number: 20190282735
    Abstract: Provided herein are thermoresponsive polymer materials and methods of preparation and use thereof. In particular, materials are provided that cure upon exposure to physiologic conditions (e.g., human body temperature) and find use in, for example, orthopedic surgery, bone tissue engineering, and the repair of bone injuries and defects.
    Type: Application
    Filed: November 14, 2017
    Publication date: September 19, 2019
    Inventor: Guillermo A. Ameer
  • Patent number: 10406385
    Abstract: Provided herein are compositions comprising panthenol-citrate containing materials. In particular, panthenol citrate compounds, oligomers, and polymers, and methods of use and synthesis thereof, are provided herein. Panthenol-citrate containing materials are a class of nontoxic, photoluminescent-chromophore-containing compounds, oligomers, and polymers with high absorption in the UVA and UVB range that can be incorporated and/or engineered into a variety of optically-active biomaterials (e.g., sunscreen products).
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: September 10, 2019
    Assignee: Northwestern University
    Inventors: Guillermo A. Ameer, Robert van Lith, Jian Yang
  • Publication number: 20180303941
    Abstract: Compositions and methods are provided for improved wound healing. In particular, provided herein are compositions and methods for the direct delivery of Sirtuin-1 (Sirt1) or vectors encoding Sirt1 to the wounds (e.g., of diabetic patients). In some embodiments, provided herein are therapeutic devices comprising: (a) a vector encoding Sirtuin-1 (Sirt 1); and (b) a hydrogel carrier. In some embodiments, the vector comprises a viral vector comprising a polynucleotide sequence encoding Sirt 1. In some embodiments, the vector comprises a non-viral vector comprising a polynucleotide sequence encoding Sirt1.
    Type: Application
    Filed: November 25, 2015
    Publication date: October 25, 2018
    Inventors: Guillermo A. AMEER, Michele JEN
  • Publication number: 20180236122
    Abstract: Provided herein are polymer and metal organic frameworks (MOFs) composites, and methods of use and preparation thereof. In particular, Poly(polyethyleneglycol citrate-co-N-isopropylacrylamide) (PPCN) and copper MOF composites are provided.
    Type: Application
    Filed: December 18, 2015
    Publication date: August 23, 2018
    Inventors: Jisheng Xiao, Guillermo A. Ameer
  • Publication number: 20180201899
    Abstract: Compositions comprising endothelial cells (ECs) differentiated from induced pluripotent stem cells (iPSC)that over-express Sirtuin 1 (SIRT1) are disclosed. Further disclosed are methods of preparation of the compositions, and methods for treating a subject comprising administering transplatanbe cells, tissue, or organ comprising the iPSC-derived ECs overexpressing SIRT1, as well as methods of testing an agent for therapeutic efficacy and toxicity using the compositions.
    Type: Application
    Filed: July 15, 2016
    Publication date: July 19, 2018
    Inventors: Guillermo A. Ameer, Bin Jiang, Michele Jen, Jason A. Wertheim
  • Publication number: 20180154009
    Abstract: Provided herein are compositions, devices, and systems comprising thermoresponsive, biodegradable elastomeric materials, and methods of use and manufacture thereof.
    Type: Application
    Filed: November 21, 2017
    Publication date: June 7, 2018
    Inventors: Jian Yang, Robert Van Lith, Guillermo Ameer
  • Publication number: 20180125990
    Abstract: Provided herein are materials for the promotion of tissue regeneration, and methods of promoting tissue regeneration and wound healing therewith. In particular, materials displaying laminin-derived peptide sequences that facilitate cell migration into the material, and methods of use thereof, are provided.
    Type: Application
    Filed: May 12, 2016
    Publication date: May 10, 2018
    Inventors: Yunxiao Zhu, Zdravka Cankova, Milan Mrksich, Guillermo A. Ameer
  • Publication number: 20180117219
    Abstract: Provided herein are methods, compositions, devices, and systems for the 3D printing of biomedical implants. In particular, methods and systems are provided for 3D printing of biomedical devices (e.g., endovascular stents) using photo-curable biomaterial inks (e.g., or methacrylated poly(diol citrate)).
    Type: Application
    Filed: April 28, 2016
    Publication date: May 3, 2018
    Inventors: Jian Yang, Evan C. Baker, Henry O. T. Ware, Fan Zhou, Cheng Sun, Guillermo A. Ameer, Robert Van Lith
  • Publication number: 20180085492
    Abstract: Provided herein are thermoresponsive citrate-based hydrogels and methods of use thereof for cell delivery. In particular, pancreatic islet cells entrapped within poly(polyethyleneglycol citrate-co-N isopropylacrylamide) (PPCN) hydrogels are provided herein, as well as methods of use thereof for extra-hepatic islet transplantation.
    Type: Application
    Filed: September 29, 2017
    Publication date: March 29, 2018
    Inventors: Guillermo A. Ameer, Xunrong Luo, Xiaomin Zhang, Yunxiao Zhu
  • Publication number: 20170368377
    Abstract: Provided herein are compositions comprising panthenol-citrate containing materials. In particular, panthenol citrate compounds, oligomers, and polymers, and methods of use and synthesis thereof, are provided herein. Panthenol-citrate containing materials are a class of nontoxic, photoluminescent-chromophore-containing compounds, oligomers, and polymers with high absorption in the UVA and UVB range that can be incorporated and/or engineered into a variety of optically-active biomaterials (e.g., sunscreen products).
    Type: Application
    Filed: December 18, 2015
    Publication date: December 28, 2017
    Inventors: Guillermo A. Ameer, Robert van Lith, Jian Yang
  • Publication number: 20170360992
    Abstract: Provided herein are bioactivated polymer/extracellular matrix (ECM) composites and methods of preparation and use thereof. In particular, heparinized cysteine-polymer/ECM composites, and methods of preparation and use thereof, are provided. In some embodiments, provided herein are compositions comprising a composite of: (a) extracellular matrix (ECM), and (b) a polyester covalently linked to a bioactive agent. In some embodiments, the composite is a homogeneous composite. In some embodiments, the ECM is decellularized ECM. In some embodiments, the ECM is not substantially crosslinked.
    Type: Application
    Filed: December 18, 2015
    Publication date: December 21, 2017
    Inventors: Guillermo A. Ameer, Jason A. Wertheim, Bin Jiang
  • Patent number: 9844600
    Abstract: Provided herein are compositions, devices and systems comprising thermoresponsive, biodegradable elastomeric materials, and methods of use and manufacture thereof.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: December 19, 2017
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Jian Yang, Robert Van Lith, Guillermo Ameer