Method for removing organic acid soil from surfaces

Details Method for removing organic acid soil from surfaces Method for removing organic acid soil from surfaces

1979-09-28

1980-12-02

Caroff, Marc L.

Cleaning and liquid contact with solids

Processes

For metallic, siliceous, or calcareous basework, including...

134 19, 134 22R, 134 40, B08B 310

Patent

active

042369355

ABSTRACT:
Soils containing free or combined organic acids are removed from surfaces, such as oven surfaces, by contacting the soil at a temperature of 250.degree.-550.degree. F. with a weakly alkaline composition comprising (A) at least one polyhydric alchol or a lower aliphatic ether or ester thereof having at least 2 free hydroxy groups, (B) 1.0 to 500% by weight of at least one alkali metal bicarbonate based on the weight of the polyhydric alcohol and (C) 5.0 to 1000% by weight of at least one alkali metal salt of a weak organic acid based on the weight of the polyhydric alcohol, and then removing soil residue.

REFERENCES:
patent: 3031408 (1962-04-01), Perlman et al.
patent: 3330767 (1967-07-01), Herrick et al.
patent: 3658711 (1972-04-01), Mukai et al.
patent: 3672993 (1972-06-01), Mitchell et al.
patent: 3779933 (1973-12-01), Eisen
patent: 3808051 (1974-04-01), Schoenholz et al.
patent: 3881948 (1975-05-01), Schoenholz et al.
patent: 4022639 (1977-05-01), Ueki

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