Polyethyleneamines as sulfite antioxidants

Details Polyethyleneamines as sulfite antioxidants Polyethyleneamines as sulfite antioxidants

1979-03-30

1982-01-12

Barr, J. L.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252188, 423243, 422 14, C09K 1516

Patent

active

043104380

ABSTRACT:
A method for reducing the oxidation of sulfite to sulfate in a sulfite-containing aqueous medium is disclosed and comprises adding to the medium water-soluble polyethyleneamine having at least one secondary amine and two primary amines.

REFERENCES:
patent: 3193009 (1965-07-01), Wallace et al.
patent: 3808325 (1974-04-01), Urban
patent: 3918521 (1975-11-01), Snavely et al.
patent: 4019859 (1977-04-01), Lavin et al.

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