Patents Represented by Attorney, Agent or Law Firm Jamies Sher
  • Hindered amine light stabilizers comprising neoalkanediol phosphites
    Patent number: 7442732
    Abstract: Disclosed herein are compounds of the structure: wherein R1, R2, R3, R4, R5, and R6 are independently selected alkyl groups, provided that R1 is different from R2. The compounds are useful as stabilizers for thermoplastic resins.
    Type: Grant
    Filed: March 29, 2005
    Date of Patent: October 28, 2008
    Assignee: Crompton Corporation
    Inventors: Michael E. Gelbin, Carloss L. Gray
  • Catalyst modifiers and their use in the polymerization of olefins(s)
    Patent number: 6346584
    Abstract: The present invention relates to the use of at least one acid and at least one base and/or at least one reductant and at least one oxidant that when used with a polymerization catalyst in a polymerization process results in the controllable generation of a catalyst inhibitor that renders the polymerization catalyst substantially or completely inactive.
    Type: Grant
    Filed: September 9, 1999
    Date of Patent: February 12, 2002
    Assignee: Univation Technologies, LLC
    Inventors: Timothy T. Wenzel, Dick A. Nagaki, Simon Mawson, David James Schreck, Thomas H. Peterson