C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
134/38
C02F 1/20 (2006.01) C23F 11/08 (2006.01) C23F 11/10 (2006.01)
Patent
CA 1338488
An improved oxygen scavenger for aqueous mediums is disclosed which is a hydroxyalkylhydroxylamine. The material may be catalyzed with a dioxo compound such as hydroquinone, benzoquinone, 1,2-naphthoquinone-4-sulfonic acid, pryrogallol and t-butylcatchol. Hydroxyalkyl substituted hydroxylamines of the general formula HON-[CH2-CH(OH)-(CH2)n-CH3]2 where n ranges from 0 to about 10 have been found to be effective oxygen scavengers for aqueous systems such as industrial water systems.
611613
Burgmayer Paul R.
Rossi Anthony M.
Betzdearborn Inc.
Borden Ladner Gervais Llp
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