Organometal compound catalyst

Details Organometal compound catalyst Organometal compound catalyst

2005-04-12

2005-04-12

Rabago, Roberto (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S114000, C526S156000, C526S348000

Reexamination Certificate

active

06878785

ABSTRACT:
This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said catalyst composition comprises a post-contacted organometal compound, a post-contacted organoaluminum compound, and a post-contacted treated solid oxide compound.

REFERENCES:
patent: 5077255 (1991-12-01), Welborn, Jr.
patent: 6165929 (2000-12-01), McDaniel et al.
patent: 6410659 (2002-06-01), Maddox et al.

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