Patents by Inventor Dean Anthony Roessner

Dean Anthony Roessner 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).

  • Polypropylene resin composition
    Patent number: 8129473
    Abstract: A polymer blend includes a first random copolymer of propylene and one or more C2-C20 ?-olefins other than propylene having a melting point of above 116° C. and up to about 145° C. and which constitutes from about 60 weight percent to about 95 weight percent of the composition, and a second random copolymer of propylene and one or more C2-C20 ?-olefins other than propylene having a melting point of from about 70° C. to no more than 116° C. and which constitutes from about 5 weight percent to about 40 weight percent of the composition. The polymer blend includes a xylene soluble fraction having a weight average molecular weight of above about 100 kg/mol and an intrinsic viscosity of above about 1.0 dl/g.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: March 6, 2012
    Assignee: Lummus Novolen Technology GmbH
    Inventors: Ralph-Dieter Maier, Vassilios Galiatsatos, Dean Anthony Roessner, Susan Patricia Setty