Patents by Inventor Klaus Pleiss

Klaus Pleiss 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).

  • POLYOL FORMULATIONS CONTAINING FILLERS AND POLYURETHANES PRODUCED THEREFROM
    Publication number: 20160130385
    Abstract: The invention relates to polyol formulations containing fillers, to polyurethanes produced therefrom, to components having said polyurethanes containing fillers, and to a method for producing the components, in particular using spray technology.
    Type: Application
    Filed: June 2, 2014
    Publication date: May 12, 2016
    Inventors: Wolfgang BRENNECKE, Joachim KUERSCHNER, Klaus PLEISS, Heike SCHMIDT, Yusuf KOEKTAS, Bernd ROTHE
  • POLYISOCYANATES AND POLYURETHANES CONTAINING POLYMER MODIFIERS AND THEIR USE
    Publication number: 20080319096
    Abstract: The invention relates to polymer-modified polyisocyanates and to polyurethanes prepared therefrom, and to their use in the production of polyurethane molded bodies. The polyisocyanates are modified with thermoplastic vinyl polymers having a number average molecular weight of from 15 to 90 kg/mol.
    Type: Application
    Filed: July 30, 2008
    Publication date: December 25, 2008
    Inventors: Eduard Mayer, Erhard Michels, Helmut Meyer, Klaus Pleiss
  • Polyisocyanates and polyurethanes containing polymer modifiers, and their use
    Publication number: 20030220445
    Abstract: The invention relates to polymer-modified polyisocyanates and to polyurethanes prepared therefrom, and to their use in the production of polyurethane molded bodies. The polyisocyanates are modified with thermoplastic vinyl polymers having a number average molecular weight of from 15 to 90 kg/mol.
    Type: Application
    Filed: May 19, 2003
    Publication date: November 27, 2003
    Inventors: Eduard Mayer, Erhard Michels, Helmut Meyer, Klaus Pleiss
  • Method for producing semi-rigid compact or cellular shaped bodies with a PUR base and the stabilization thereof; shaped bodies produced according to said method and the use thereof
    Patent number: 6169157
    Abstract: This invention relates to a process for producing polyester-polyurethane compositions, and to the stabilization thereof in relation to hydrolytic ageing phenomena by an active ingredient combination comprising compounds containing carbodiimides with lactone derivatives, to mouldings produced therefrom and to the use thereof for semi-rigid, solid and/or cellular mouldings.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: January 2, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erhard Michels, Klaus Pleiss, Hans-Norbert Dick
  • Two step procedure for the production of semi-hard solid polyurethane molded bodies
    Patent number: 6147181
    Abstract: The invention relates to a process for preparing solid, transparent to translucent polyurethane molded items which, due to their elastic and optical properties, can be used, for instance, as an alternative material to rubber.
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: November 14, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Erhard Michels, Klaus Pleiss, Franz Scholtis