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Removal of palladium compound catalyst residues from polymer ketones

Patent ·
OSTI ID:6435813
This patent describes a process for reducing catalyst residues in a polymer, which process comprises (1) suspending an isolated palladium compound catalyst-containing polymer of carbon monoxide, ethylene with or without at least one other olefinically unsaturated hydrocarbon in an organic liquid, (2) contacting the polymer suspension with an effective amount of carbon monoxide and (3) recovering a polymer having reduced palladium compound catalyst residues.
Assignee:
Shell Oil Co., Houston, TX
Patent Number(s):
US 4791190
OSTI ID:
6435813
Country of Publication:
United States
Language:
English