Hydroquinone and mu-amine compositions

Details Hydroquinone and mu-amine compositions Hydroquinone and mu-amine compositions

1980-07-14

1981-09-15

Albrecht, Dennis L.

Compositions

Water-softening or purifying or scale-inhibiting agents

Deoxidant or free-metal containing

252188, 252390, 422 13, 422 16, C02B 123, C23F 1106, C23F 1112, C23F 1114

Patent

active

042896452

ABSTRACT:
An improved oxygen scavenger for aqueous mediums is disclosed which comprises hydrazine-free solution of hydroquinone and mu-amine. Representative examples of mu-amines include: aminomethylpropanol, triethylenetetramine, diisopropanolamine, secbutylamine, monoisopropanolamine, ethylenediamine, dimethylaminopropylamine, monoethanolamine, dimethyl(iso)propanolamine, methoxypropylamine, and diethylaminoethanol.

REFERENCES:
patent: 2580923 (1952-01-01), Jacoby
patent: 3551349 (1970-12-01), Kallfass
patent: 3552969 (1971-01-01), Henn
patent: 3764548 (1973-10-01), Redmore
patent: 3843547 (1974-10-01), Kaufman
patent: 3983048 (1976-09-01), Schiessl
patent: 4019859 (1977-04-01), Lavin
patent: 4172728 (1979-10-01), Sincius
patent: 4192844 (1980-03-01), Trace

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