Engineered catalyst systems and methods for their production and

Details Engineered catalyst systems and methods for their production and Engineered catalyst systems and methods for their production and

1997-02-18

1998-07-28

Bell, Mark L.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502103, 502108, 502113, 502117, 502151, 502152, 502153, 502154, 526160, 526993, B01J 3100, B01J 3700, C08F 402, C08F 460

Patent

active

057862915

ABSTRACT:
This invention relates to supported metallocene catalyst systems and to methods for their production and use. Specifically, this invention relates to supported catalyst systems having unique, predetermined properties resulting from the designed distribution of catalyst components within and upon porous support particles. The designed distribution of catalyst components is obtained through sequential deposition of catalyst components with intervening removal of solvent.

REFERENCES:
patent: 4975403 (1990-12-01), Ewen
patent: 5064797 (1991-11-01), Stricklen
patent: 5182244 (1993-01-01), Pettijohn
patent: 5252529 (1993-10-01), Ueda et al.
patent: 5278264 (1994-01-01), Spaleck et al.
patent: 5332706 (1994-07-01), Nowlin et al.
patent: 5696045 (1997-12-01), Winter et al.

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