Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1993-03-30
1994-10-04
Mars, Howard T.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 4134, C07C 4136
Patent
active
053528425
ABSTRACT:
A process for clarifying an alkoxylated product mixture produced using a calcium-based catalyst wherein the product mixture is heated to a temperature of from about 80.degree. C. to about 175.degree. C. to produce a filtration feed, the filtration feed being passed through a filter medium comprising material possessing polar groups to produce a clarified filtrate, the filtration feed being passed through the filter medium within about 5 days of being prepared, the filtration feed being passed through the filter medium until the desired degree of clarification is obtained, the temperature of the clarified filtrate being less than about 30.degree. C. but above the pour point of the clarified filtrate.
REFERENCES:
patent: 4754075 (1988-06-01), Knopf et al.
patent: 4775653 (1988-10-01), Leach et al.
Perry et al, Chemical Engineers Handbook, McGraw Hill, New York, 5th edition, 19-82 to 19-84.
FilterCor Incorporated, Catalogue.
Hellums Mark W.
LeCompte Linton
Lin John
Orsak Steve V.
Osborne Clint
Mars Howard T.
Vista Chemical Company
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