Method for preparing surface-active agents
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United States of America Patent
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Dec 5, 2000
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N/A
app pub date -
Aug 7, 1998
filing date -
Feb 8, 1996
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Abstract
Process for preparing surfactant, which comprises contacting cane trash, maize by-products, sorghum by-products, barley by-products, rice by-products, fruits, chicory pulp, tubers or cynara for at least 5 seconds with a hydrolysing agent selected from an aqueous acid solution at between 20 and 150.degree. C. and an enzymatic hydrolysing composition of a plant material at between 20 and 90.degree. C. to obtain a sugar syrup, freeing the sugar syrup from any solid residues and contacting the residue-free sugar syrup with a C.sub.4-22 -alcohol at a temperature of between 20 and 150.degree. C., preferably between 30 and 110.degree. C., until a solution of surfactant glycosides is obtained, and separating the surfactant glycosides from this solution.
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