Patents by Inventor René Graewe

René Graewe 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).

  • USE OF CARBOXYL-FUNCTIONAL POLYVINYL ACETATES FOR PRODUCING BMC PARTS
    Publication number: 20090182090
    Abstract: BMC molding compositions containing carboxy-functional polyvinyl acetate resins having minimally 3 weight percent of carboxy-functional monomers exhibit only modest increase in viscosity upon addition of fillers as compared to similar compositions employing polyvinyl acetate homopolymers.
    Type: Application
    Filed: April 18, 2007
    Publication date: July 16, 2009
    Applicant: WACKER CHEMIE AG
    Inventor: René Graewe
  • Process for recycling of powder coating waste
    Patent number: 6635207
    Abstract: Process for recycling of powder coating waste, wherein powder coating waste is moved in a vessel rotating about a rotational axis inclined at an angle of 20 to 70 degrees to the horizontal and is thereby exposed to heat, until powder coating agglomerates with a size of 1 mm to 3 cm or 1 to 10 mm or powder coating pearls with a size of 1 to 10 mm are formed.
    Type: Grant
    Filed: August 21, 2000
    Date of Patent: October 21, 2003
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: René Graewe