Acidic cleaning composition

Details Acidic cleaning composition Acidic cleaning composition

1974-05-31

1977-03-22

Weinblatt, Mayer

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

134 3, 134 41, 252142, 252136, 252171, 252542, 252DIG11, 252DIG14, 2603461R, 2603462R, C11D 750

Patent

active

040135799

ABSTRACT:
An acidic cleaning composition comprising at least 0.1 weight percent of at least one member selected from the group consisting of furan-carboxylic acid and derivatives thereof having the following formula I and tetrahydrofuran-carboxylic acid and derivatives thereof having the following formula II ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 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, R.sub.3 and R.sub.4 is --COOH.

REFERENCES:
patent: 2264103 (1941-11-01), Tucker
patent: 3580852 (1971-05-01), Yang
patent: 3635830 (1972-01-01), Lamberti et al.
patent: 3692684 (1972-09-01), Hentschel et al.
patent: 3829383 (1974-08-01), Robinson
patent: 3835163 (1974-10-01), Rapko
Cocker et al., Furan Tetracarboxylic Acid, in Tetrahedron, vol. 7, pp. 299-304 (1959).
Rose, A. & E., The Condensed Chemical Dictionary, N.Y., Reinhold, pp. 585-586.

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