Patents by Inventor Maria Weigel

Maria Weigel 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).

  • Modular system for coating plastics
    Patent number: 6720380
    Abstract: The invention relates to a modular system for the production of coating compositions for coating plastics comprising the following component modules: A) at least one base module containing at least one binder, extenders and/or pigments, optionally together with conventional coating additives, water and/or organic solvents, B) at least one adhesion module containing at least one adhesion-promoting component optionally together with binders, conventional coating additives, extenders, organic solvents and/or water, C) at least one elasticity module containing at least one elasticising component optionally together with conventional coating additives, extenders, organic solvents and/or water and D) at least one binder module containing at least one binder optionally together with additives, organic solvents and/or water.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: April 13, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Udo Hellmann, Maria Weigel
  • Modular system for coating plastics
    Publication number: 20030105230
    Abstract: The invention relates to a modular system for the production of coating compositions for coating plastics comprising the following component modules:
    Type: Application
    Filed: November 27, 2001
    Publication date: June 5, 2003
    Inventors: Udo Hellmann, Maria Weigel