US Patent 7312346 Method of purifying hydroxyalkyl amide
Patent 7312346 was granted and assigned to Crompton Corporation on December, 2007 by the United States Patent and Trademark Office.
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Patent abstract
A method for purifying hydroxyalkyl amide of residual alkanolamine by using nonpolar solvent, an acidic pH, salt solutions and an elevated temperature.
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US Patent 07312346 Method of purifying hydroxyalkyl amide US Patent 7312346 Method of purifying hydroxyalkyl amide
Infobox
Patent Number
0731234600
Patent Number
731234600
Edits on 31 Mar, 2023
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073123460
Date of Patent
December 25, 2007
0Patent Application Number
107128300
Date Filed
November 12, 2003
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
073123460
Date of Patent
December 25, 2007
0Patent Application Number
107128300
Date Filed
November 12, 2003
0Official Website
Patent Primary Examiner
Edits on 17 Jun, 2022
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US Patent 07312346 Method of purifying hydroxyalkyl amide
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07312346
Date of patent
December 25, 2007
Patent application number
10712830
Date Filed
November 12, 2003
Patent primary examiner
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