Process for removing hydrazine from hydroxlyamine solutions

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United States of America Patent

PATENT NO 8703088
APP PUB NO 20130315812A1
SERIAL NO

13953107

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Abstract

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The present invention relates to processes for reducing or eliminating the amount of hydrazine from a hydroxylamine-free base containing hydrazine by treating said hydroxylamine-free base with a scavenger agent, and to the hydroxylamine-free base thereby obtained, as well as to its use for producing microdispersions containing a hydroxamated polymer for use as a flocculant in the Bayer process.

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Patent Owner(s)

Patent OwnerAddress
CYTEC TECHNOLOGY CORPWILMINGTON DELAWARE 19801

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chen, Haunn-Lin Tony Darien, US 17 46
Lewellyn, Morris Stratford, US 9 18
Magliocco, Lino G Shelton, US 12 115
Rothenberg, Alan S Ivins, US 34 282
Sassi, Thomas P Stamford, US 11 58

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