C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
252/52.G
C08F 4/64 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1162179
ABSTRACT OF THE DISCLOSURE: The present invention provides a catalyst system consisting of : (a) a compound of the formula: Image in which X is halogen, M' and M" are metals different from each other, selected from the group consisting of Mg, Al, Ti, Zr, Mo, Y, Mn, Cr, Fe and Zn; Y, Y' and Y", the same or dif- ferent from each other, are halogens and can be the same or different from X; m and q can be zero or greater than zero, but cannot be both zero simultaneously, c has a value between 0.5 and 50; n and p represent the valencies of M' and M" res- pectively; S has a value from 0 to 3; and R' is a hydrocarbon radical having a number of carbon atoms less than or equal to 10, in combination with (b) a compound of the formula: Image in which R" is a hydrocarbon radical, X' is halogen and p' is a number between 1 and 3.
368250
Balducci Agostino
Corbellini Margherita
Osellame Mirko
Anic S.p.a.
Robic Robic & Associes/associates
Snamprogetti S.p.a.
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