Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 6, 2007
Patent Application Number
10487592
Date Filed
September 3, 2002
Patent Primary Examiner
Patent abstract
An improved ion exchange process for manufacturing and concentrating hydroxylamine from an aqueous solution comprising hydroxylammonium ion and counter anions is disclosed. The process involves the use of an aqueous hydroxylamine wash step which assists in controlling the processing temperature and leads to a more concentrated, purified aqueous hydroxylamine solution.
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