Patents by Inventor Rolf Lackmann

Rolf Lackmann 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).

  • Low-VOC primer for plastic coating
    Patent number: 8008394
    Abstract: The invention is directed to coating compositions for direct coating of plastic substrates, comprising the following components: A) a hydroxy-functional binder component, comprising at least one branched hydroxy-functional polyester having a hydroxyl value of 50-300 mg KOH/g solid, a polydispersity of <2 and a number average molecular weight (Mn) of 300 to 4000, having at least three branches, and having at least one hydroxyl group on each of the at least three branches, B) a crosslinking component for the hydroxyfunctional binder component A), C) at least one adhesion promoting component and optionally, D) organic solvents, additives conventionally found in paints as well as pigments and/or fillers.
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: August 30, 2011
    Assignee: E.I. du Pont de Nemours & Company
    Inventors: Wolfgang Stricker, Udo Hellmann, Yvonne Seulen, Rolf Lackmann
  • Low-VOC primer for plastic coating
    Publication number: 20070014926
    Abstract: The invention is directed to coating compositions for direct coating of plastic substrates, comprising the following components: A) a hydroxy-functional binder component, comprising at least one branched hydroxy-functional polyester having a hydroxyl value of 50-300 mg KOH/g solid, a polydispersity of <2 and a number average molecular weight (Mn) of 300 to 4000, having at least three branches, and having at least one hydroxyl group on each of the at least three branches, B) a crosslinking component for the hydroxyfunctional binder component A), C) at least one adhesion promoting component and optionally, D) organic solvents, additives conventionally found in paints as well as pigments and/or fillers.
    Type: Application
    Filed: July 13, 2005
    Publication date: January 18, 2007
    Inventors: Wolfgang Stricker, Udo Hellmann, Yvonne Seulen, Rolf Lackmann