Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2007-10-23
2007-10-23
Lu, Caixia (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S133000, C526S134000, C526S160000, C526S161000, C526S165000, C526S172000, C502S103000, C502S155000, C502S157000
Reexamination Certificate
active
10566840
ABSTRACT:
The invention related to a process for the polymerization of at least one aliphatic or aromatic hydrocarbyl C2-20 mono- or multiolefin in the presence of a catalyst and a boron comprising co-catalyst, wherein the catalyst comprises a composition of a metal-organic reagent, a spectator ligand and optionally at least one equivalent of a hydrocarbylating agent. The invention further relates to a polymer obtainable by the process of the invention.
REFERENCES:
patent: 6284700 (2001-09-01), Lyu et al.
patent: 6316663 (2001-11-01), Guram et al.
patent: 6750345 (2004-06-01), Boussie et al.
Arts Henricus
Beijer Felix
Ijpeij Edwin
van der Burgt Francis
van Doremaele Gerardus
DSM IP Assets B.V.
Lu Caixia
Nixon & Vanderhye P.C.
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