Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1974-12-04
1980-02-12
Smith, Edward J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
252431R, 526352, C08F 402, C08F 1002
Patent
active
041884710
ABSTRACT:
A particulate catalyst support such as silica or a silica-titania cogel is impregnated with a titanium compound from a nonaqueous solution and the resulting composition heated to activation temperature and thereafter impregnated with a .pi. bonded organochromium compound. Finally the chromium-containing support is heated to reactivate same. Such catalysts are particularly suitable for polymerizing at least one mono-1-olefin containing 2 to 8 carbon atoms per molecule.
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Delap Joseph A.
Nasser, Jr. Benny E.
Phillips Petroleum Company
Smith Edward J.
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