Patents by Inventor Christina DIEHL

Christina DIEHL 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).

  • Use of polyesters having inherent flame protection in adhesives and sealants
    Patent number: 9840581
    Abstract: The present invention relates to the use of polyesters with inherent flame retardancy as or in adhesives, sealants and coatings, to polyesters with inherent flame retardancy and to processes for production thereof.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: December 12, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Christina Diehl, Gabriele Brenner, Bernhard Schleimer
  • HYBRID COMPONENT PART COMPRISING A LOCAL STIFFENING COMPOSED OF A TWO-STAGE-CROSSLINKED POLYURETHANE-BASED FIBRE COMPOSITE MATERIAL
    Publication number: 20170066179
    Abstract: The invention relates to a hybrid component part comprising a local stiffening made of a two-stage-crosslinked polyurethane-based fibre composite material, more particularly to the production of such a hybrid component part. Said invention has for its object to specify a technology which makes it possible in cost-effective fashion to effect local stiffening of metal parts with a fibre composite material in order thus to obtain a hybrid component part. It is a fundamental concept of the process according to the present invention to use a particular polyurethane formulation which in a first crosslinking reaction can be converted into a thermoplastic polymer and later in a second crosslinking reaction is fully crosslinked to afford a thermoset matrix material. The thermoplastic polymer is characterized by a good adhesion to metal surfaces. The metal can be subjected to further forming with the attached thermoplastic material.
    Type: Application
    Filed: September 2, 2016
    Publication date: March 9, 2017
    Inventors: Christina Diehl, Marina-Elena Schmidt, Tobias Gutmann, Uwe Stapperfenne, Sandra Reemers, Leif Ickert
  • USE OF POLYESTERS HAVING INHERENT FLAME PROTECTION IN ADHESIVES AND SEALANTS
    Publication number: 20160032045
    Abstract: The present invention relates to the use of polyesters with inherent flame retardancy as or in adhesives, sealants and coatings, to polyesters with inherent flame retardancy and to processes for production thereof.
    Type: Application
    Filed: March 6, 2014
    Publication date: February 4, 2016
    Applicant: EVONIK DEGUSSA GMBH
    Inventors: Christina DIEHL, Gabriele BRENNER, Bernhard SCHLEIMER