Patents by Inventor Larry D. Roduner

Larry D. Roduner 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).

  • Hydrocarbon resin prepared from antimony pentafluoride or ferric chloride
    Patent number: 4153771
    Abstract: There is disclosed a hydrocarbon derived resin having a structure characterized by a softening point in the range of about 0.degree. C. to about 45.degree. C. and comprising from about 40 to about 80 weight percent units derived from piperylene and correspondingly from about 60 to about 20 weight percent units derived from 2-methyl-2-butene prepared by the method which comprises polymerizng a mixture comprising from about 20 to about 75 weight percent piperylene and correspondingly from about 80 to about 25 weight percent 2-methyl-2-butene in the presence of a catalyst selected from antimony pentafluoride and ferric chloride. The resin has particular utility when combined with rubber as a tackifier to form pressure sensitive adhesives.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: May 8, 1979
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Herbert L. Bullard, Larry D. Roduner