Patents by Inventor Marek Nowak

Marek Nowak 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).

  • Process for recycling powder coating waste
    Patent number: 6881762
    Abstract: A process for recycling of powder coating waste comprising the steps of (1) compressing powder coating waste to powder coating compacts having a volume of 0.5 mm3 to 15 cm3 by applying pressing forces; (2) placing the formed powder coating compacts into a vessel, rotating the vessel about a rotational axis inclined at an angle of 20 to 70 degrees relative to the horizontal and (3) heating the powder coating compacts while being moved in the rotating vessel until through-glassed powder coating bodies are formed.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: April 19, 2005
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Rene Graewe, Volker Paschmann, Marek Nowak
  • Process for recycling powder coating waste
    Publication number: 20040072919
    Abstract: A process for recycling of powder coating waste comprising the steps of (1) compressing powder coating waste to powder coating compacts having a volume of 0.5 mm3 to 15 cm3 by applying pressing forces; (2) placing the formed powder coating compacts into a vessel, rotating the vessel about a rotational axis inclined at an angle of 20 to 70 degrees relative to the horizontal and (3) heating the powder coating compacts while being moved in the rotating vessel until through-glassed powder coating bodies are formed.
    Type: Application
    Filed: September 26, 2002
    Publication date: April 15, 2004
    Inventors: Rene Graewe, Volker Paschmann, Marek Nowak