Patents by Inventor Jonathon Tudor

Jonathon Tudor 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).

  • Spherulite particles of isotactic polypropylene
    Patent number: 5972510
    Abstract: Olefins may be polymerised in the presence of a catalytic system comprising a metallocene and an organic aluminum compound supported on a mesoporous material to produce polyolefins. The mesoporous material comprises atoms of one or more elements selected from the group consisting of Group 1, 2, 3 and 5 elements germanium, tin, lead and transition metals. The polyolefins are produced as spherulite particles of average diameter from about 5 .mu.m to about 20 .mu.m which have a distinct core and shell arrangement.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: October 26, 1999
    Assignee: Isis Innovation Limited
    Inventors: Dermot O'Hare, Jonathon Tudor