Catalysts for converting maleic anhydride to alpha-butyrolactone

Details Catalysts for converting maleic anhydride to alpha-butyrolactone Catalysts for converting maleic anhydride to alpha-butyrolactone

1974-07-15

1976-04-06

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252455R, 252465, 252466B, 2603436, B01J 2118, B01J 2906, B01J 2316

Patent

active

039488055

ABSTRACT:
A process for converting maleic anhydride to .gamma.-butyrolactone by treating the anhydride with hydrogen in the presence of co-catalysts comprising palladium and nickel-copper chromite at elevated pressures and temperatures.

REFERENCES:
patent: 3113138 (1963-12-01), Franko-Filipasic et al.
patent: 3152998 (1964-10-01), Moss
patent: 3480684 (1969-11-01), Hansford
patent: 3514492 (1970-05-01), Juguin et al.
patent: 3580930 (1971-05-01), Miya et al.
patent: 3767595 (1973-10-01), Montgomery
patent: 3803055 (1974-04-01), Reich

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