Novel cleaning method and compositions

Details Novel cleaning method and compositions Novel cleaning method and compositions

1973-11-07

1978-09-26

Nelson, Peter A.

Compositions

Electrolytes for electrical devices

252156, 252159, 252160, C11D 1700

Patent

active

041168488

ABSTRACT:
A cleaning composition for the removal of soils containing free or combined organic acids comprising (A) at least 1% by weight of a substance selected from the group consisting of (1) at least one alkali metal salt of a weak organic acid, said salt melting at elevated temperatures, preferably below about 550.degree. F and said weak organic acid constituent part being volatile and/or decomposing at said elevated temperatures on contact with said soil or (2) mixtures of salts thereof, the mixtures having melting points lower than the cleaning temperature, preferably less than 550.degree. F; and (B) up to 99% by weight of a carrier. The novel method of cleaning soils containing free or combined organic acids comprises applying the said salt or salts of weak organic acid to said soil, heating the salt(s) and soil above the melting point of the said salt(s) and then removing the residue.

REFERENCES:
patent: 1554483 (1925-09-01), Bailey et al.
patent: 2992995 (1961-07-01), Arden
patent: 3168478 (1965-02-01), Stefcik et al.
patent: 3658711 (1972-04-01), Mukai et al.
patent: 3779933 (1973-12-01), Eisen
Perry, John H. et al.; Chem. Engineers' Handbook; McGraw-Hill Book Co., NY.; 4th Ed.; 1963, pp. 3-18.
Robinson, R. A. et al; Electrolyte Solns; Academic Press, Inc.; Londong, Eng.; 1959; 2nd Ed; p. 158.

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