Method for making 2,2,4,4,-tetramethyl-3-pentanone oxime and hydroxylammonium salts
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United States of America Patent
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Jan 16, 2007
Grant Date -
Aug 19, 2004
app pub date -
May 22, 2002
filing date -
Jun 1, 2001
priority date (Note) -
Expired
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Abstract
The invention concerns a production method which consists in forming a reaction medium containing 2,2,4,4,-tetramethyl-3-pentanone, hydrogen peroxide, ammonia and a zeolitic structure catalyst and allowing the reaction to obtain said oxime. 2,2,4,4,-tetramethyl-3-pentanone and hydrogen peroxide can be obtained by auto-oxidation of 2,2,4,4,-tetramethyl-3-pentanol with oxygen or air. Hydroxylammonium salts are obtained by acid hydrolysis of said oxime.
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