Patents by Inventor Jo Ann M. Canich

Jo Ann M. Canich 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).

  • Mono-Cp heteroatom containing Group IVB transition metal complexes with MAO: supported catalysts for olefin polymerization
    Patent number: 5227440
    Abstract: The invention is a supported catalyst system including an inert support material, a Group IV B transition metal component and an alumoxane component which may be employed to polymerize olefins to produce a high molecular weight polymer.
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: July 13, 1993
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jo Ann M. Canich, Gary F. Licciardi
  • Olefin polymerization catalysts
    Patent number: 5168111
    Abstract: The invention is a catalyst system including a Group IV B transition metal component and an alumoxane component which may be employed to polymerize olefins to produce a high molecular weight polymer.
    Type: Grant
    Filed: March 28, 1991
    Date of Patent: December 1, 1992
    Assignee: Exxon Chemical Patents Inc.
    Inventor: Jo Ann M. Canich
  • Monocyclopentadienyl transition metal olefin polymerization catalysts
    Patent number: 5096867
    Abstract: The invention is a catalyst system including a Group IV B transition metal component and an alumoxane component which may be employed to polymerize olefins to produce a high molecular weight polymer.
    Type: Grant
    Filed: September 13, 1990
    Date of Patent: March 17, 1992
    Assignee: Exxon Chemical Patents Inc.
    Inventor: Jo Ann M. Canich
  • Group IVB, VB and VIB metal hydrocarbyloxides, with alumoxane for olefin polymerization
    Patent number: 5079205
    Abstract: The invention is a catalyst system including a Group IVB, VB or VIB transition metal hydrocarbyloxide component and an alumoxane component which may be employed in liquid, slurry or bulk phase reactors to polymerize ethylene and .alpha.-olefins to produce a high molecular weight, narrow molecular weight distribution homo- and co-polymer.
    Type: Grant
    Filed: July 13, 1990
    Date of Patent: January 7, 1992
    Assignee: Exxon Chemical Patents Inc.
    Inventor: Jo Ann M. Canich
  • Mono-Cp heteroatom containing group IVB transition metal complexes with MAO: supported catalyst for olefin polymerization
    Patent number: 5057475
    Abstract: The invention is a supported catalyst system including an inert support material, a Group IV B transition metal component and an alumoxane component which may be employed to polymerize olefins to produce a high molecular weight polymer.
    Type: Grant
    Filed: September 13, 1990
    Date of Patent: October 15, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Jo Ann M. Canich, Gary F. Licciardi
  • Olefin polymerization catalysts
    Patent number: 5055438
    Abstract: The invention is a polymerization catalyst system including an alumoxane and a Group IV B metallocene having a heteroatom ligand. The catalyst system can be employed to polymerize olefins to produce a high molecular weight polymer.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: October 8, 1991
    Assignee: Exxon Chemical Patents, Inc.
    Inventor: Jo Ann M. Canich
  • Process for producing crystalline poly-.alpha.-olefins with a monocyclopentadienyl transition metal catalyst system
    Patent number: 5026798
    Abstract: The invention is a catalytic process using a Group IV B transition metal component and an alumoxane component to polymerize .alpha.-olefins to produce high crystallinity and high molecular weight poly-.alpha.-olefins.
    Type: Grant
    Filed: September 13, 1990
    Date of Patent: June 25, 1991
    Assignee: Exxon Chemical Patents Inc.
    Inventor: Jo Ann M. Canich