Patents by Inventor Patrick G. Simms

Patrick G. Simms 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).

  • Aluminoxanate compositions
    Patent number: 5565395
    Abstract: An aluminoxanate composition which can be used as a co-catalyst with transition, lanthanide or actinide metal compounds such as metallocenes comprises the solid reaction product of an aluminoxane and an alkali metal, alkaline earth metal, ammonium, phosphonium or sulfonium salt of a Group 13 to 16 element-containing polyoxy compound such as sodium aluminate.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: October 15, 1996
    Assignee: Albemarle Corporation
    Inventors: Samuel A. Sangokoya, Milham S. Howie, Patrick G. Simms, Karl E. Wiegand
  • Process for removing conjugated dienes from alpha-olefins
    Patent number: 5292992
    Abstract: Conjugated diene impurities are removed from linear alpha-olefin products by contacting the linear alpha-olefin product with an acid treated montmorillonite clay which is effective to reduce the conjugated diene content of the linear alpha-olefin product, preferably to less than about 100 ppm, without substantial isomerization of the linear alpha-olefins to internal olefins.
    Type: Grant
    Filed: March 30, 1993
    Date of Patent: March 8, 1994
    Assignee: Ethyl Corporation
    Inventors: Stephen E. Belmont, Patrick G. Simms, Keith G. Anderson