Process for the preparation of ethylene polymers

Details Process for the preparation of ethylene polymers Process for the preparation of ethylene polymers

2005-03-08

2005-03-08

Wu, David W. (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S172000, C526S134000, C526S348000, C556S053000

Reexamination Certificate

active

06864333

ABSTRACT:
Ethylene based polymers having high molecular weights can be obtained in high yields at temperatures of industrial interest, by carrying out the polymerization reaction in the presence of catalysts comprising single carbon bridged metallocenes, which has a particular ligand system containing a heteroatom.

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