Cleaning and liquid contact with solids – Processes – For metallic – siliceous – or calcareous basework – including...
Patent
1984-02-16
1985-09-10
Lieberman, Paul
Cleaning and liquid contact with solids
Processes
For metallic, siliceous, or calcareous basework, including...
134 3, 134 38, 252 891, 252524, 252173, 252117, C03C 2300, B08B 700, C11D 930
Patent
active
045404429
ABSTRACT:
Aqueous compositions containing as essential ingredients; an alkanolamine, an aliphatic carboxylic acid containing 5 to 18 carbon atoms, and an arylenetriazole have been found effective in removing resin-containing sealants from the surfaces of zinc containing metals, such as galvanized steel, without causing changes in the surfaces of the metal, so that phosphate coatings which are subsequently applied to said surfaces are neither streaky nor spotty.
REFERENCES:
patent: 3337471 (1967-08-01), Levy et al.
patent: 4284434 (1981-08-01), Lingmann et al.
Cooper Robert Q.
Geke Jurgen
Smith Timothy J. C.
Amchem Products Inc.
Greenfield Mark A.
Lieberman Paul
McNally John F.
Millson Jr. Henry E.
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