Patents by Inventor Bettina BRESSEL

Bettina BRESSEL 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: 20140288337
    Abstract: A process for inhibiting the polymerization of cyclopentadiene compounds (B) by contacting the cyclopentadiene compound with a quinone methide compound (A) of structure (I), Compositions (AB) comprising (A) and (B) are also provided.
    Type: Application
    Filed: March 18, 2014
    Publication date: September 25, 2014
    Applicant: Evonik Industries AG
    Inventors: Stefanie RINKER, Bettina Bressel, Manfred Neumann, Felix Nissen, Oliver Erpeldinger, Phillip R. James, Peter Watkins
  • Publication number: 20140005344
    Abstract: A hardener system for epoxy resins comprising i) at least one aromatic dianhydride compound A having a melting point of at least 35° C., ii) at least one monoanhydride compound B having a melting point of not more than 30° C. and iii) at least one catalyst C, is provided. The aromatic dianhydride compound A is dispersed in the hardener system. The present invention further provides for the use of said hardener systems and to processes for hardening epoxy resin systems.
    Type: Application
    Filed: June 25, 2013
    Publication date: January 2, 2014
    Applicant: Evonik Industries AG
    Inventors: Stefanie RINKER, Franz-Albert von ITTER, Bettina BRESSEL, Benjamin WILLY, Manfred NEUMANN, Chris JONES, Jeffrey H. DIMMIT