Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard E. Cherpeck0
Francois Simard0
Date of Patent
September 7, 2010
0Patent Application Number
109933440
Date Filed
November 19, 2004
0Patent Primary Examiner
Patent abstract
A process is described for preparing alkylene oxide-adducted hydrocarbyl amides having less than 2 wt % of amine by-products bya) reacting a C4-C30 fatty acid or fatty acid lower alkyl ester with a mono- or di-hydroxy hydrocarbyl amine to form a hydrocarbyl amide;b) reacting the hydrocarbyl amide with alkylene oxide; andc) extracting the product of b) with water, acidic water, or water-containing inorganic salts or a combination thereof at a temperature from about 5° C. to 95° C. to yield an alkylene oxide-adducted hydrocarbyl amide having less than 2 wt % of amine by-products.
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