Patents by Inventor Hans R. H. Dendooven

Hans R. H. Dendooven 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).

  • Polymer compositions
    Patent number: 5278220
    Abstract: Improved properties during aging are demonstrated by thermoplastic polymer compositions comprising selectively hydrogenated vinylaromatic compound/conjugated alkadiene block copolymer, thermoplastic engineering polymer and a poly(alkylene) plasticizer.
    Type: Grant
    Filed: October 23, 1992
    Date of Patent: January 11, 1994
    Assignee: Shell Oil Company
    Inventors: Hans F. Vermeire, Hans R. H. Dendooven