Polymerization of olefinic compounds

Details Polymerization of olefinic compounds Polymerization of olefinic compounds

2006-06-13

2006-06-13

Harlan, Robert D. (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S171000, C526S172000, C502S155000, C502S167000, C556S035000, C556S137000, C556S138000

Reexamination Certificate

active

07060768

ABSTRACT:
Certain complexes containing ligands having a phosphino group, amino group or an imino group, and a second functional group such as amide, ester or ketone, when complexed to transition metals, catalyze the (co)polymerization of olefinic compounds such as ethylene, α-olefins and/or acrylates. A newly recognized class of ligands for making copolymer containing polar monomers using late transition metal complexes is described.

REFERENCES:
patent: 4906754 (1990-03-01), Klabunde
patent: 5714556 (1998-02-01), Johnson et al.
patent: 5880241 (1999-03-01), Brookhart et al.
patent: 6103658 (2000-08-01), Mackenzie et al.

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