Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal
Patent
1977-12-27
1979-05-15
Padgett, Benjamin R.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Maintaining environment nondestructive to metal
134 3, 134 41, 252 792, 252146, 252387, C23F 1104, C23G 104, C23G 108
Patent
active
041547918
ABSTRACT:
Addition of small amounts of nitric acid to aqueous sulfuric acid containing more than about 60% by weight of H.sub.2 SO.sub.4 inhibits corrosive attack on carbon steel with which it may come in contact.
REFERENCES:
patent: 2971819 (1961-02-01), Antelman
patent: 3316179 (1967-04-01), Hoornstra et al.
patent: 3752169 (1973-08-01), Rauch et al.
patent: 3887488 (1975-06-01), Scott et al.
patent: 3972987 (1976-08-01), Von Plessen et al.
patent: 4010240 (1977-03-01), Von Plessen et al.
Howells Merwyn E.
Knoll William C.
Van Sciver Jack H.
Allied Chemical Corporation
Fuchs Gerhard H,.
Gluck Irwin
Harman Robert A.
Padgett Benjamin R.
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