Acidic cleaning composition

Details Acidic cleaning composition Acidic cleaning composition

1974-05-31

1976-04-27

Weinblatt, Mayer

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252542, 252DIG14, C11D 328, C23G 102

Patent

active

039533522

ABSTRACT:
An acidic cleaning composition comprising at least 0.1 weight percent of pyrrolidone-carboxylic acid or derivatives thereof having the following formula ##EQU1## wherein R.sub.1, R.sub.2 and R.sub.3 are hydrogen, --COOH, --CH.sub.3, --C.sub.2 H.sub.5 or --OH with the proviso that at least one of R.sub.1, R.sub.2 and R.sub.3 is --COOH, and R.sub.4 is hydrogen, --CH.sub.3 or --C.sub.2 H.sub.5.

REFERENCES:
patent: 2757125 (1956-07-01), Mudrak
patent: 3322675 (1967-05-01), Diehl
patent: 3692684 (1972-09-01), Hentschel et al.
patent: 3791986 (1974-02-01), Mallico

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