Effect of aluminophosphate on catalyst systems comprising...

Details Effect of aluminophosphate on catalyst systems comprising... Effect of aluminophosphate on catalyst systems comprising...

2005-05-31

2005-05-31

Harlan, Robert D. (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S172000, C502S155000, C502S167000

Reexamination Certificate

active

06900277

ABSTRACT:
Novel catalyst systems which comprise one or more diimine nickel(II) or palladium (II) complexes, one or more cocatalysts, and aluminophosphate are disclosed. Olefin polymerization processes using those catalyst systems are also disclosed. The inclusion of aluminophosphate can improve the activity or productivity of such catalyst systems, making such catalyst systems active or more active in olefin polymerization under conditions in which they had previously been inactive or insufficiently active.

REFERENCES:
patent: 5714556 (1998-02-01), Johnson et al.
patent: 6197714 (2001-03-01), Bansleben et al.
patent: 6310167 (2001-10-01), Kanzawa et al.
patent: 6458905 (2002-10-01), Schmidt et al.
patent: WO 96/23010 (1996-08-01), None

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