Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1975-03-17
1976-08-24
Garvin, Patrick P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252426, 260468R, 260486R, B01J 2702
Patent
active
039765954
ABSTRACT:
Sulfonic acid catalysts useful in, for example, esterification reactions and which contain an admixture of any of several phosphorus compounds including specifically ortho-phosphoric acid are much less corrosive toward metal processing equipment than are sulfonic acid catalysts without the phosphoric admixture.
REFERENCES:
patent: 2090905 (1937-08-01), Stevens et al.
patent: 2816887 (1957-12-01), Lamborn
patent: 3134818 (1964-05-01), Farah et al.
Gaulding Dan L.
Scott Robert H.
Celanese Corporation
Garvin Patrick P.
Pritchett Ralph M.
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