Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1974-07-11
1976-05-04
Shine, W. J.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252472, 252477R, 428402, 428407, B01J 2342, B01J 2344, B01J 2374, B01J 3108
Patent
active
039546667
ABSTRACT:
Described are semipermeable microcapsules which comprise an outer semipermeable polymeric skin encapsulating a finely divided heterogeneous catalyst and a ferromagnetic material. The microcapsules are useful as magnetic, heterogeneous catalysts.
REFERENCES:
patent: 2886513 (1959-05-01), Baker
patent: 2971916 (1961-02-01), Schleicher et al.
patent: 3041289 (1962-06-01), Katchen et al.
patent: 3661620 (1972-05-01), Dekking et al.
Marquisee Mark James
Prichard William W.
E. I. Du Pont de Nemours and Company
Shine W. J.
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