Method for preparing metal cyanide catalysts using...

Details Method for preparing metal cyanide catalysts using... Method for preparing metal cyanide catalysts using...

2007-06-05

2007-06-05

Harlan, Robert D. (Department: 1713)

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

C502S159000, C502S175000, C526S303100, C526S319000

Reexamination Certificate

active

10533703

ABSTRACT:
Complexes of a metal cyanide polymerization catalyst and certain monomer complexing agents provide a method whereby heterogeneous, active metal cyanide catalysts can be prepared. The catalysts are useful alkylene oxide polymerization catalysts that are easily separated from the polymerization product and recycled.

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