Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1976-10-08
1980-06-03
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252454, 423522, B01J 2916, B01J 2926
Patent
active
042060869
ABSTRACT:
The invention is a durable and active sulfuric acid catalyst prepared on a calcined and comminuted diatomaceous earth support containing primarily fresh water Melosira granulata diatoms.
REFERENCES:
patent: 1862825 (1932-06-01), Laury
patent: 1941427 (1933-12-01), Beardsley et al.
Dees Carl F.
Stauffer Chemical Company
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