US Patent 7425652 Preparation of alkanolamines
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Patent Inventor Names
Farhad Fadakar0
Wei Wang0
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Patent abstract
Alkanolamine compositions are disclosed. The composition comprises an alkanolamine and hydroxylamine or hydrazine. Preferred alkanolamine includes diethanolamine, triethanolamine, and mixtures thereof. The composition of the invention has significantly reduced discoloration.
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US Patent 07425652 Preparation of alkanolamines US Patent 7425652 Preparation of alkanolamines
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Patent Number
074256520
Patent Number
74256520
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Patent Jurisdiction
Patent Number
074256520
Date of Patent
September 16, 2008
0Patent Application Number
111903210
Date Filed
July 27, 2005
0Official Website
Patent Primary Examiner
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US Patent 07425652 Preparation of alkanolamines
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Is a
Patent jurisdiction
Patent number
07425652
Date of patent
September 16, 2008
Patent application number
11190321
Date Filed
July 27, 2005
Patent primary examiner
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