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

1975-05-27

1977-03-22

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252413, 252429R, 2604109R, 260429R, 2604297, 260468M, 260497R, 260514M, 260515R, 260533A, 260604HF, 260666R, 260676R, B01J 3140, B01J 2732, C07C 5100, C11C 302

Patent

active

040135837

ABSTRACT:
This invention concerns using mineral acid treatment for the regeneration of carbonylation and hydroformylation catalysts consisting of dispersions of ligand-stabilized palladium(II) and platinum(II) halide complexes in quaternary ammonium, phosphonium and arsonium salts of trihalostannate(II) and trihalogermanate(II).

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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