Patents by Inventor Ian A. Matheson

Ian A. Matheson 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).

  • Polymerization catalyst
    Patent number: 4145312
    Abstract: A supported Ziegler catalyst prepared by a process comprising treating a magnesium containing support material with a titanium compound in the presence of a tin compound having the formula Sn(OR').sub.m X.sub.4-m wherein R' is a hydrocarbyl radical, m is 0-4 and X is halogen. The catalyst is used with a conventional co-catalyst e.g. a trialkyl aluminium compound.
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: March 20, 1979
    Assignee: BP Chemicals Limited
    Inventor: Ian A. Matheson