Patents by Inventor Sandra Mendez

Sandra Mendez 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).

  • Thermoplastic polyurethane film for delivery of active agents to skin surfaces
    Patent number: 10905646
    Abstract: A polymer film suited to use as a face mask or transdermal patch includes at least 30 wt. % of a thermoplastic polyurethane polymer which is the reaction product of a first polyether polyol having a molecular weight of at least 3000 daltons, optionally, a second polyether polyol having a molecular weight of no more than 2500 daltons, at least one of a third polyol having a molecular weight of up to 800 daltons, and a chain extender, a diisocyanate, optionally, a catalyst. The film includes up to 5 wt. % water.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: February 2, 2021
    Inventors: Nancy S. Marchant, Pallavi Kulkarni, Anthony J. Walder, Paul M. Basone, Shawn Lankowski, Juan Cebrián Puche, Sandra Mendez, Mireia Martin
  • Adsorption material for removing chemical compounds from water and method of making the same
    Patent number: 10086359
    Abstract: The invention provides the incorporation of Co2+, Ni2+ or Cu2+ onto the surface of mesoporous SBA-15 via an amino-organic grafting method and the screening of materials as sorbents for the removal of Naproxen from water.
    Type: Grant
    Filed: March 24, 2011
    Date of Patent: October 2, 2018
    Assignee: University of Puerto Rico
    Inventors: Arturo Hernandez-Maldonado, Sandra Mendez-Gonzalez, Sindia Rivera-Jimenez
  • THERMOPLASTIC POLYURETHANE FILM FOR DELIVERY OF ACTIVE AGENTS TO SKIN SURFACES
    Publication number: 20170319462
    Abstract: A polymer film suited to use as a face mask or transdermal patch includes at least 30 wt. % of a thermoplastic polyurethane polymer which is the reaction product of a first polyether polyol having a molecular weight of at least 3000 daltons, optionally, a second polyether polyol having a molecular weight of no more than 2500 daltons, at least one of a third polyol having a molecular weight of up to 800 daltons, and a chain extender, a diisocyanate, optionally, a catalyst. The film includes up to 5 wt. % water.
    Type: Application
    Filed: October 23, 2015
    Publication date: November 9, 2017
    Inventors: Nancy S. Marchant, Pallavi Kulkarni, Anthony J. Walder, Paul M. Basone, Shawn Lankowski, Juan Cebrián Puche, Sandra Mendez, Mireia Martin