Patents by Inventor Peter Schellenbeck

Peter Schellenbeck 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).

  • Hot-melt adhesives based on ethylene/alkyl (meth)acrylate copolymer and on poly-alpha-olefin and uses thereof
    Patent number: 5874497
    Abstract: The invention relates to hot-melt adhesives characterized in that they include: a) 30 to 90% by weight (A) of at least one essentially amorphous poly-alpha-olefin and (B) of at least one ethylene/alkyl (meth)acrylate copolymer, the weight ratio (B)/(A)+(B) being between 0.05 and 0.55; b) 10 to 70% by weight of a tackifying resin; c) 0.1 to 3 parts by weight of an antioxidant for 100 parts by weight of the compounds under a) and b). It also relates to the use of these adhesives in the wood, bookbinding and packaging industries.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: February 23, 1999
    Inventors: Peter Schellenbeck, Markus Krieger, Wolgang Reuss, Thierry Dreyfus