Patents by Inventor R. B. Roaper

R. B. Roaper 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 and apparatus for pyrolysis of atactic polypropylene
    Patent number: 4613713
    Abstract: This invention relates to an apparatus and a method for pyrolytic decomposition of polymeric materials into lower molecular weight products involving the heat treatment of raw polymeric material within reactive conduits submerged in a fluidized bed furnace operated at pyrolizing temperatures.
    Type: Grant
    Filed: May 22, 1984
    Date of Patent: September 23, 1986
    Assignee: Procedyne Corp.
    Inventors: H. Kenneth Staffin, R. B. Roaper