Patents by Inventor Kurt Holzhauser

Kurt Holzhauser 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: 8202921
    Abstract: The invention provides aqueous resin emulsion containing a resin obtained by reaction of a composition containing at least: at least one polyhydric alcohol having at least two hydroxyl groups, at least one polyetherpolyol having a molecular weight of 400 to 8000 g/mol, at least one monobasic carboxylic acid, and at least one polybasic carboxylic acid having at least two carboxyl groups or its anhydride, to form a resin and the resin emulsion is modified by providing basic groups. The invention further relates to a process for preparing a resin, to a resin as obtained by the process and to a coating film obtained from the resin emulsion.
    Type: Grant
    Filed: April 25, 2006
    Date of Patent: June 19, 2012
    Assignee: Ashland—Sudchemie-Kernfest GmbH
    Inventors: Peter Kuhlmann, Reinhard Winter, Kurt Holzhäuser
  • Publication number: 20080287602
    Abstract: The invention provides aqueous resin emulsion containing a resin obtained by reaction of a composition containing at least: at least one polyhydric alcohol having at least two hydroxyl groups, at least one polyetherpolyol having a molecular weight of 400 to 8000 g/mol, at least one monobasic carboxylic acid, and at least one polybasic carboxylic acid having at least two carboxyl groups or its anhydride, to form a resin and the resin emulsion is modified by providing basic groups. The invention further relates to a process for preparing a resin, to a resin as obtained by the process and to a coating film obtained from the resin emulsion.
    Type: Application
    Filed: April 25, 2006
    Publication date: November 20, 2008
    Applicant: Ashland-Sudchemie-Kernfest GmbH
    Inventors: Peter Kuhlmann, Reinhard Winter, Kurt Holzhauser