Organometallic transition metal compound,...

Details Organometallic transition metal compound,... Organometallic transition metal compound,...

2008-07-29

2008-07-29

Lee, Rip A. (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S160000, C526S943000, C526S941000, C556S053000, C502S103000

Reexamination Certificate

active

07405261

ABSTRACT:
The present invention relates to compounds of the formula (I):whereM1is an element of group 3, 4, 5 or 6 of the Periodic Table,X are halogen, hydrogen, C1-C20-alkyl, C2-C20-alkenyl, C6-C22-aryl, alkylaryl or arylalkyl,n is a natural number from 1 to 4.R1is hydrogen or a C1-C40radical,R2is a substituted or unsubstituted C6-C40-aryl radical or C2-C40-heteroaromatic radical containing at least one heteroatom,R3is hydrogen or a C1-C40radical, or the radicals R2and R3together form a ring system,R4is hydrogen or a C1-C40radical,R5is a C1-C40radical, andZ is a divalent group CR8R9—CR10R11, where R8, R9, R10and R11are hydrogen or a C1-C40radical.

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