Patents by Inventor Franz-Josef Wesselbaum

Franz-Josef Wesselbaum 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).

  • Patent number: 7812109
    Abstract: A resin is based on ketones and aldehydes and is prepared in methanol or ethanol in the presence of a phase transfer catalyst. The resin features a very broad solubility and low intrinsic color.
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: October 12, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Patrick Gloeckner, Bettina Burian, Peter Denkinger, Lutz Mindach, Franz-Josef Wesselbaum
  • Publication number: 20090105442
    Abstract: A resin is based on ketones and aldehydes and is prepared in methanol or ethanol in the presence of a phase transfer catalyst. The resin features a very broad solubility and low intrinsic color.
    Type: Application
    Filed: December 23, 2008
    Publication date: April 23, 2009
    Applicant: EVONIK DEGUSSA GmbH
    Inventors: Patrick GLOECKNER, Bettina Burian, Peter Denkinger, Lutz Mindach, Franz-Josef Wesselbaum
  • Publication number: 20050010016
    Abstract: A resin is based on ketones and aldehydes and is prepared in methanol or ethanol in the presence of a phase transfer catalyst. The resin features a very broad solubility and low intrinsic color.
    Type: Application
    Filed: June 9, 2004
    Publication date: January 13, 2005
    Applicant: DEGUSSA AG
    Inventors: Patrick Glockner, Bettina Burian, Peter Denkinger, Lutz Mindach, Franz-Josef Wesselbaum