Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1999-03-17
2000-09-26
Gupta, Yogendra
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510180, 510181, 510240, 510245, 510257, 510269, 134 28, C11D 322
Patent
active
061242527
ABSTRACT:
A multipurpose scale removal compound having a nonyl phenol ethoxylate with 10 moles of ethylene oxide at 0.85% of a total weight of the compound, hydrofluoric acid at 0.85% of the total weight of the compound, and softened water at 98.3% of the total weight of the compound. This multipurpose scale removal compound is formed by filling a reactor with 160 liters of softened water, adding 20 kilograms of hydrofluoric acid to the water in the first reactor, agitating the hydrofluoric acid and water in the first reactor, adding 20 kilograms of nonyl phenol ethoxylate with 10 moles of ethylene oxide to the first reactor, agitating the nonyl phenol ethoxylate, the ethylene oxide and the agitated hydrofluoric acid and water in the first reactor so as to obtain a uniform solution, adding 182.9 liters of softened water and 17.1 kilograms of the uniform solution to a second reactor, and agitating the softened water and uniform solution in the second reactor so as to obtain a uniform mixture.
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patent: 5902411 (1999-05-01), Williams et al.
Gupta Yogendra
Lubrimak Corporation, S.A. de C.V.
Webb Gregory E.
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