Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1977-12-01
1978-12-12
Mars, Howard T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
568617, 568620, 568621, 568609, 260570D, 260573, 260584B, 544401, 544383, 544357, 536120, C07C 300, C07H 106, C07C 4112
Patent
active
041297180
ABSTRACT:
An improvement in the process of alkaline catalyst removal from crude polyoxyalkylene ether polyols is achieved by treating a mixture of crude polyol, adsorbent, and water with carbon dioxide just prior to filtration.
REFERENCES:
patent: 2448664 (1948-09-01), Fife et al.
patent: 2496582 (1950-02-01), Enyeort
patent: 4029879 (1977-06-01), Muzzio
BASF Wyandotte Corporation
Dunn Robert E.
Henry Robert J.
Mars Howard T.
Swick Bernhard R.
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