Titanocene-based catalyst system

Details Titanocene-based catalyst system Titanocene-based catalyst system

2008-05-01

2011-10-25

Lu, Caixia (Department: 1765)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C502S103000, C502S132000, C502S134000, C502S152000, C502S156000, C526S124900, C526S160000, C526S165000, C526S348000, C526S943000

Reexamination Certificate

active

08044155

ABSTRACT:
A catalyst system obtainable by the process comprising the steps of contacting an adduct of formula (I)in-line-formulae description="In-line Formulae" end="lead"?MgT2.yAlQj(OR″)3-j  (I)in-line-formulae description="In-line Formulae" end="tail"?wherein T is chlorine, bromine, or iodine; R″ is a linear or branched C1-C10alkyl radical; y ranges from 1.00 to 0.05; and j ranges from 0.01 to 3.00; with at least one metallocene compound having titanium as central metal and at least one ligand having a cyclopentadienyl skeleton.

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