Processes for regenerating dispersions of ligand-stabilized, pal

Details Processes for regenerating dispersions of ligand-stabilized, pal Processes for regenerating dispersions of ligand-stabilized, pal

1975-11-28

1977-09-13

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252412, 2604109R, 260429R, 2604297, 260514M, 260515R, 260533A, 560114, 560232, B01J 3140, B01J 2732, C07C 5100, C11C 302

Patent

active

040480933

ABSTRACT:
This invention concerns processes for the regeneration of carbonylation catalysts consisting of dispersions of ligand-stabilized palladium(II) halide complexes in quaternary ammonium, phosphonium and arsonium salts of trihalostannate(II) and trihalogermanate(II) using organic peroxides as the regenerating agent.

REFERENCES:
patent: 3420873 (1969-01-01), Olivier
patent: 3455989 (1969-07-01), Kutepow et al.
patent: 3641076 (1972-02-01), Booth
patent: 3700706 (1972-10-01), Butter
patent: 3832391 (1974-08-01), Parshall

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