Compositions – Frost-preventing – ice-thawing – thermostatic – thermophoric,...
Patent
1988-12-12
1991-12-10
Willis, Prince E.
Compositions
Frost-preventing, ice-thawing, thermostatic, thermophoric,...
2523892, 25238922, 252387, 106 1412, C09K 318
Patent
active
050715798
ABSTRACT:
The corrosion inhibiting systems comprise at least one of the following: sodium fluorophosphate, and a water soluble salt of phosphonic acid derivatives having the general formula R.sub.n R.sub.1 N(CH.sub.2 PO.sub.3 H.sub.2).sub.2-n wherein R.sub.n and R.sub.1 are each independently selected from a member selected from the group consisting of alkyl, aminoalkyl and N-hydroxyalkyl and n is an integer selected from 1 and 0. The methods comprise laying on a surface a system as defined above. The invention also discloses deicers, paints and other corrosion inhibitors in numerous carriers. Products containing at least residual amounts of a system as defined above are also disclosed.
REFERENCES:
patent: 3483133 (1969-12-01), Hatch et al.
patent: 4132572 (1979-01-01), Parant et al.
patent: 4153478 (1979-05-01), Parant et al.
patent: 4606835 (1986-08-01), Lieber et al.
patent: 4608092 (1986-08-01), Tremoureux et al.
patent: 4613450 (1986-09-01), Moran et al.
M. Duprat, et al., Leau L'Industrie Les Nuisances No. 89, Jan.-Feb (1985).
Chemical Abstracts vol. 102, No. 22 Jun. 3/85 p. 308.
Johnston Allan
Lawless Darren F.
Mason Dean
Peel Terrence E.
Domtar Inc.
Gauvin Antoine H.
McNally John F.
Willis Prince E.
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