Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2006-05-09
2006-05-09
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...
C526S161000, C526S134000, C526S133000, C526S127000, C526S130000, C526S904000, C526S943000, C526S348000, C502S103000
Reexamination Certificate
active
07041759
ABSTRACT:
An olefin polymerization pre-catalyst, an activated catalyst and a process for preparing the catalysts are described herein. The pre-catalyst has the formula:wherein the groups M and R1–R4are defined herein. The group R4includes a solid-support.
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Sita Lawrence R.
Zhang Yonghui
Lee Rip A.
Sterne Kessler Goldstein & Fox P.L.L.C.
The University of Maryland College Park
Wu David W.
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