Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal
Patent
1981-07-08
1983-06-21
Albrecht, Dennis L.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Maintaining environment nondestructive to metal
252 75, 252 76, 252389R, 252389A, 252390, 422 7, 422 14, 422 16, 422 17, 422 18, 422 19, C23F 1114, C23F 1116, C23F 1118
Patent
active
043893716
ABSTRACT:
Corrosion inhibited alcohol compositions can be prepared which are suitable for use as anti-freeze compositions in the cooling systems of internal combustion engines. The alcohol is selected from at least one of the group consisting of methanol, ethanol, propanol, ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol and glycerol. The corrosion inhibitor comprises an effective amount of a conventional corrosion inhibitor selected from the group consisting of the alkali metal carbonates, borax, the alkali metal dichromates, the alkali metal silicates, phosphorous acid, phosphoric acid, an alkali metal tungstate, benzotriazole, tolyltriazole, an alkali metal salt of benzoic or toluic acid, an alkali metal salt of a phenol, an alkanolamine and an organo-silicone compound in addition to an alkanolamine phosphate and a heterocyclic nitrogen-containing compound. The phosphate is the reaction product of an alkanolamine and phosphoric acid. The heterocyclic nitrogen-containing compound has the formula: ##STR1##
REFERENCES:
patent: 1992689 (1935-02-01), Cox
patent: 2462694 (1949-02-01), Walker
patent: 2558030 (1951-06-01), Zisman
patent: 3090757 (1963-05-01), Berger
patent: 3502578 (1970-03-01), Raifsnider
patent: 3758493 (1973-09-01), Maddox
patent: 3932303 (1976-01-01), Hollingshad
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patent: 4000079 (1976-12-01), Rasp
Technical Bulletin No. 962, "Monateric 1000" published Dec. 1977 by MONA Industries, Inc.
Chemical Abstracts, 88:50724b, 1978.
Eisenstein Stephen E.
Hirozawa Stanley T.
Maxwell Jerrold F.
Wilson Joe C.
Albrecht Dennis L.
BASF Wyandotte Corporation
Pierce Andrew E.
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