Process for the preparation of ethylene copolymers

Details Process for the preparation of ethylene copolymers Process for the preparation of ethylene copolymers

2007-09-25

2007-09-25

Choi, Ling-Sui (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S160000, C526S943000, C526S348000

Reexamination Certificate

active

10496461

ABSTRACT:
A process is described for the preparation of ethylene copolymers having a wide molecular weight distribution, characterized in that it is carried out in the presence of meso- and rac-stereoisomeric mixtures of metallocene compounds having general formula (I), wherein A′ and A″, the same or different, are a radical of the η?5-tetrahydroindenyl type (Ia)

REFERENCES:
patent: 955 304 (1999-11-01), None
patent: 0955304 (1999-11-01), None
patent: 1013675 (2000-06-01), None

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