Patents by Inventor Wolfgang Hojak

Wolfgang Hojak 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).

  • Silicone resin compositions which can be cured at room temperature
    Patent number: 9790327
    Abstract: The present invention relates to compositions comprising a binder which comprises at least one alkoxy-functional polysiloxane, and at least one crosslinking catalyst, the crosslinking catalyst representing a silicon-containing guanidine compound, and also, optionally, an alkoxysilane as crosslinker.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: October 17, 2017
    Assignee: Evonik Degussa GmbH
    Inventors: Thomas Klotzbach, Michael Fiedel, Michael Ferenz, Olga Fiedel, M-Ibrahim Jussofie, Dirk Hinzmann, Wolfgang Hojak, Ingrid Eissmann
  • SILICONE RESIN COMPOSITIONS WHICH CAN BE CURED AT ROOM TEMPERATURE
    Publication number: 20160208050
    Abstract: The present invention relates to compositions comprising a binder which comprises at least one alkoxy-functional polysiloxane, and at least one crosslinking catalyst, the crosslinking catalyst representing a silicon-containing guanidine compound, and also, optionally, an alkoxysilane as crosslinker.
    Type: Application
    Filed: August 12, 2014
    Publication date: July 21, 2016
    Applicant: Evonik Degussa GmbH
    Inventors: Thomas KLOTZBACH, Michael FIEDEL, Michael FERENZ, Olga FIEDEL, M-Ibrahim JUSSOFIE, Dirk HINZMANN, Wolfgang HOJAK, Ingrid EISSMANN
  • Compounds having guanidine groups and containing semi-organic silicon groups
    Patent number: 9353225
    Abstract: This invention relates to compounds having guanidine groups and containing semi-organic silicon groups, their use for the curing of compounds containing alkoxysilyl groups, compositions comprising the curing catalysts of the invention, and use of the compositions as adhesives and sealants and also as coating materials.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: May 31, 2016
    Assignee: Evonik DeGussa GmbH
    Inventors: Wilfried Knott, Michael Ferenz, Michael Fiedel, Wolfgang Hojak, Bastian Matthias Brugger, Frank Schubert, Anke Lewin
  • COMPOUNDS HAVING GUANIDINE GROUPS AND CONTAINING SEMI-ORGANIC SILICON GROUPS
    Publication number: 20150057412
    Abstract: This invention relates to compounds having guanidine groups and containing semi-organic silicon groups, their use for the curing of compounds containing alkoxysilyl groups, compositions comprising the curing catalysts of the invention, and use of the compositions as adhesives and sealants and also as coating materials.
    Type: Application
    Filed: August 12, 2014
    Publication date: February 26, 2015
    Applicant: Evonik Degussa GmbH
    Inventors: Wilfried Knott, Michael Ferenz, Michael Fiedel, Wolfgang Hojak, Bastian Matthias Brugger, Frank Schubert, Anke Lewin