Compositions – Dust suppressants for bulk materials – or processes of...
Patent
1987-06-15
1989-02-21
Lieberman, Paul
Compositions
Dust suppressants for bulk materials, or processes of...
252 86, 252 87, 252142, 252180, 252181, 210699, 210701, C02F 508, C02F 510, C23F 1100, C23F 1110
Patent
active
048062596
ABSTRACT:
This invention pertains to the use of certain phosphorus compounds in conjunction with other materials which characterize cleaners of alkaline earth metal salts, metal oxide/hydroxide salts, and silica/silicate salts, particularly citric acid, malic acid, oxalic acid, ammonium bifluoride and sodium bifluoride. Amount of the phosphorus compounds is 0.5 to 70%, preferably 2 to 40%, based on 100% of a cleaner composition which includes the phosphorus compounds. Suitable phosphorus compounds are selected from aminoalkyl and hydroxyalkyl phosphonic acids and phosphonates, phosphonoalkanepolycarboxylic acids and salts thereof, polyphosphoric acids and salts thereof, and polyol phosphate esters.
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The Merck Index--1976, #8421 & #8422.
Csontos Alan A.
Kap George A.
Krasnow Ronald A.
Lieberman Paul
The B. F. Goodrich Company
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