Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1985-11-22
1991-06-18
Smith, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526142, 526151, 526156, 5263485, 5263486, 526901, C08F 4608, C08F 4648, C08F21002
Patent
active
050250728
ABSTRACT:
There is disclosed a highly active catalyst composition for polymerizing alpha-olefins prepared by treating a support with an organomagnesium composition and contracting the thus formed solid support, containing magnesium, in a liquid medium with a transition metal compound, e.g., a tetravalent titanium compound. This catalyst is particularly useful for the production of linear low density polyethylene polymers. Also disclosed are methods of preparing polymers with the catalyst composition and the resulting polymers.
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Nowlin Thomas E.
Wagner Klaus P.
McKillop Alexander J.
Mobil Oil Corporation
Schneller Marina V.
Smith Edward J.
Speciale Charles J.
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