Processes for producing a catalyst component for addition...

Details Processes for producing a catalyst component for addition... Processes for producing a catalyst component for addition...

2011-01-18

2011-01-18

Choi, Ling-Siu (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

Reexamination Certificate

active

07872080

ABSTRACT:
A production process of a polymerization catalyst component includes contacting compound (a) such as diethyl zinc represented by the defined formula [1], a compound (b) such as pentafluorophenol, represented by the defined formula [2], a compound (c) such as water, represented by the defined formula [3], and particles (d), such as silica, with one another in a hydrocarbon solvent under an agitator power of 0.05 kW/m3or greater.

REFERENCES:
patent: 3900457 (1975-08-01), Witt
patent: 1275662 (2001-12-01), None
patent: 1275662 (2003-01-01), None
patent: 7-88403 (1995-09-01), None

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