Substituted metallocene catalyst for the (co)polymerization of o

Details Substituted metallocene catalyst for the (co)polymerization of o Substituted metallocene catalyst for the (co)polymerization of o

1997-02-19

1999-08-10

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526126, 526127, 526129, 526130, 526133, 526134, 526154, 526156, 526170, 526352, 526904, 526943, 556 11, 556 13, 556 15, 556 20, 556 28, 556 52, 556 53, 502103, 502117, 502120, 502152, 502153, 502154, 502155, C08F 4642, C08F 1002, C07F 1700

Patent

active

059360518

ABSTRACT:
Metallocene complexes of a metal M selected from titanium, zirconium and hafnium, comprising at least one anionic group A containing an .eta..sup.5 -cyclopentadienyl ring co-ordinated with the metal M, wherein the anionic group is substituted in at least one position of the cyclopentadienyl ring with a radical having the formula:

REFERENCES:
patent: 5571880 (1996-11-01), Alt et al.
patent: 5631202 (1997-05-01), Ewen

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