Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Maintaining environment nondestructive to metal
Patent
1988-06-10
1990-06-19
Richman, Barry S.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Maintaining environment nondestructive to metal
422 11, 422 12, 422 17, 252 8555, 2523891, 252390, 252391, 252392, 252393, 252404, C23F 1116
Patent
active
049352059
ABSTRACT:
A method of inhibiting corrosion of iron or iron-based alloys which are in contact with an aqueous system by introducing and maintaining within the system at least one ortho dihydroxyaromatic compound having at least one electron withdrawing group pendant from the aromatic ring.
REFERENCES:
patent: 3951973 (1976-04-01), Nebzydoski
patent: 4026664 (1977-05-01), Noack
patent: 4141844 (1979-02-01), Yaffe
patent: 4141845 (1979-02-01), Yaffe
patent: 4760197 (1988-07-01), Tury et al.
Henry Wayne L.
Kreh Robert P.
Lundquist Joseph T.
McMahon Timothy M.
Richman Barry S.
Troffkin Howard J.
W. R. Grace & Co.,-Conn.
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