Chromium catalyst compositions and ethylene polymerization proce

Details Chromium catalyst compositions and ethylene polymerization proce Chromium catalyst compositions and ethylene polymerization proce

1995-05-25

1997-02-04

Wu, David W.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526106, 526132, 526352, 502256, C08F 424

Patent

active

055998879

ABSTRACT:
This invention provides a chromium catalyst system that comprises
[a] a support that comprises silica, wherein said support has a surface area to pore volume relationship as follows

REFERENCES:
patent: 4368302 (1983-01-01), Downs
patent: 4472531 (1984-09-01), Speca et al.
patent: 5093300 (1992-03-01), Vogels et al.
patent: 5208309 (1993-05-01), McDniel et al.

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