Tablet for preventing deterioration of a water-soluble cutting l

Details Tablet for preventing deterioration of a water-soluble cutting l Tablet for preventing deterioration of a water-soluble cutting l

1977-12-09

1979-03-13

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-corrosion

156642, 210 58, 252 791, 252148, 252392, 422 7, C23F 1114

Patent

active

041441885

ABSTRACT:
A tablet which gradually dissolves in a water-soluble cutting liquid over a long period of time for preventing deterioration thereof comprises 15 to 25% by weight of mixed primary amides of a fatty acid and a naphthenic acid, 5 to 15% by weight of ethylenediaminetetraacetic acid tetra sodium salt, 5 to 15% by weight of a lower alkyl borate, 30 to 50% by weight of at least one fatty acid derivative selected from the group consisting of esters and alkanolamine salts, and 10 to 25% by weight of an alkali nitrite.

REFERENCES:
patent: 2888401 (1959-05-01), Hughes et al.
patent: 3219657 (1965-11-01), Gaertner
patent: 3260673 (1966-07-01), Fisher
patent: 3573225 (1971-03-01), Kondo et al.
patent: 3642652 (1972-02-01), Birgy
patent: 3699052 (1972-10-01), Petrey et al.
patent: 3850823 (1974-11-01), Kjonaas
patent: 3897349 (1975-07-01), Marin et al.

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