Patents by Inventor Steve Mulhall

Steve Mulhall 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).

  • Copolymers of propylene with polymerizable hindered amine light stabilizers
    Patent number: 5990209
    Abstract: Copolymers are disclosed of lower alpha-olefins and HALS-containing monomers, typically 1-(10-undecenyl)-2,2,6,6-tetramethylpiperidine. They may be used for light or heat stabilizing, by themselves or in blends with other polymers.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: November 23, 1999
    Assignees: Aristech Chemical Corporation, Mitsubishi Chemical Corporation
    Inventors: Mark R. Rubino, Steve Mulhall, Edmund P. Whitby, III, Akiyoshi Onishi, Makoto Terauchi