Patents by Inventor Gérard P. M. Ladégourdie

Gérard P. M. Ladégourdie 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).

  • SULFONIC ACID-CONTAINING BINDING AGENT FOR MOULDING MIXES FOR THE PREPARATION OF MOULDS AND CORES
    Publication number: 20130292083
    Abstract: A polyisocyanate component for a moulding material binding agent system is described containing at feast one sulfonic acid in a solution of at least one polyisocyanate, containing at least two NCO-groups in the molecule.
    Type: Application
    Filed: November 21, 2011
    Publication date: November 7, 2013
    Applicant: Huttenes-Albertus Chemische Werke GMBH
    Inventors: Gérard P.M. Ladégourdie, Markus Dörschel, Amine Serghini Anbari, Ursula Wichmann
  • Binder system for moulding mixtures for the production of moulds and cores
    Patent number: 6465542
    Abstract: Two-component binder system with reduced release of aromatic compounds during foundry operations, the system consisting of a phenol resin component and a polyisocyanate component, the phenol resin component comprising a phenol resin having at least two OH groups per molecule and the polyisocyanate component comprising a polyisocyanate having at least two isocyanate groups per molecule, wherein at least the phenol resin component contains a solvent, and wherein at least one of the phenol resin component and the polyisocyanate component comprises a solvent selected from the group consisting of alkyl silicates, alkyl silicate oligomers and mixtures thereof.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: October 15, 2002
    Assignee: Hüttenes-Albertus Chemische Werke GmbH
    Inventors: Marek Torbus, Gérard P. M. Ladégourdie, Dietmar Bartsch, Klaus Seeger