Patents by Inventor Berta Vega Sanchez

Berta Vega Sanchez 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).

  • Adhesive formulations
    Patent number: 9657206
    Abstract: The present invention relates to adhesive formulations based on uretdione-group-comprising polyaddition compounds that are free of isocyanate groups and monomeric polyisocyanates, and to the use thereof for the production of adhesive bonds between substrates, in particular for the production of flexible film composites.
    Type: Grant
    Filed: July 24, 2013
    Date of Patent: May 23, 2017
    Assignee: Covestro Deutschland AG
    Inventors: Dorota Greszta-Franz, Berta Vega Sanchez, Beate Baumbach, Hans-Josef Laas, Mathias Matner
  • Binder with cyclic carbonate structures
    Patent number: 9556304
    Abstract: The invention relates to a method for producing polyurethanes containing cyclic carbonate structures by reacting at least A) a composition containing a) one or more compounds of the general formula (I), said compounds containing isocyanate groups and cyclic carbonate structures, and b) <=1 wt.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: January 31, 2017
    Assignee: Covestro Deutschland AG
    Inventors: Hans-Josef Laas, Dorota Greszta-Franz, Berta Vega Sanchez
  • Silane functional binder with thiourethane structure
    Patent number: 9353210
    Abstract: The invention relates to a method for producing polyurethanes containing silane groups by reacting at least A) a composition containing a) one or more compounds containing isocyanate and silane groups of general formula (I) and b) <=1 percent by weight, relative to the total mass of composition A), one or more monomeric diisocyanates with aliphatically, cycloaliphatically, araliphatically and/or aromatically bonded isocyanate groups of general formula (II), where R1, R2 and R3 are the same or different radicals and respectively indicate a saturated or unsaturated, linear or branched, aliphatic or cycloaliphatic or an optionally substituted aromatic or araliphatic radical with up to 18 carbon atoms, which can contain optionally up to 3 heteroatoms from the series oxygen, sulphur, nitrogen, X is a linear or branched organic radical with at least 2 carbon atoms and Y is a linear or branched, aliphatic or cycloaliphatic radical with 4 to 18 carbon atoms or an optionally substituted aromatic or araliphatic radi
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: May 31, 2016
    Assignee: Covestro Deutschland AG
    Inventors: Hans-Josef Laas, Berta Vega Sanchez, Lothar Kahl
  • BINDER WITH CYCLIC CARBONATE STRUCTURES
    Publication number: 20150203623
    Abstract: The invention relates to a method for producing polyurethanes containing cyclic carbonate structures by reacting at least A) a composition containing a) one or more compounds of the general formula (I), said compounds containing isocyanate groups and cyclic carbonate structures, and b) <=1 wt.
    Type: Application
    Filed: August 22, 2013
    Publication date: July 23, 2015
    Inventors: Hans-Josef LAAS, Dorota Greszta-Franz, Berta Vega Sanchez
  • ADHESIVE FORMULATIONS
    Publication number: 20150175859
    Abstract: The present invention relates to adhesive formulations based on uretdione-group-comprising polyaddition compounds that are free of isocyanate groups and monomeric polyisocyanates, and to the use thereof for the production of adhesive bonds between substrates, in particular for the production of flexible film composites.
    Type: Application
    Filed: July 24, 2013
    Publication date: June 25, 2015
    Inventors: Dorota Greszta-Franz, Berta Vega Sanchez, Beate Baumbach, Hans-Josef Laas, Mathias Matner