Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1991-06-03
1992-03-10
Garvin, Patrick P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526125, 526352, C08F 464
Patent
active
050950800
ABSTRACT:
A new highly active olefin polymerization catalyst as disclosed. The catalyst is prepared by contacting a magnesium dihalide with a halogenated titanium alkoxide to obtain a first solid, washing this first solid unit it is substantially free of soluble halogenated titanium alkoxide, then contacting the first solid with a titanium tetrachloride to yield a second solid.
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Lee Clifford C.
Welch M. Bruce
Bowman Edward L.
Garvin Patrick P.
Peebles Brent M.
Phillips Petroleum Company
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