Patents by Inventor Wolfgang Looman

Wolfgang Looman 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).

  • Method of rotational molding vinylchloride-alkylene copolymer
    Patent number: 3950482
    Abstract: A copolymer of vinyl chloride with ethylene or propylene having a K-value of 45 to 65 and an alkylene (ethylene or propylene) content of 0.5 to 10 weight percent. This product is particularly useful for forming plasticizer-free coatings on substrates by known fluidized bed coating processes and for forming plastizer-free shaped articles by rotational molding processes.
    Type: Grant
    Filed: December 12, 1973
    Date of Patent: April 13, 1976
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Wolfgang Looman, Wolfgang Pungs, Egon Bierwirth, Robert Buning