Selectively-permeable membrane and the use thereof

Details Selectively-permeable membrane and the use thereof Selectively-permeable membrane and the use thereof

1994-05-17

1996-07-09

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

21050028, 21050042, B01D 6136

Patent

active

055341500

ABSTRACT:
A selectively-permeable membrane constituted by a composition comprising starch and a synthetic thermoplastic polymer is used for separating liquid aqueous-organic mixtures by pervaporation.

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Chemical Abstracts, vol. 7, No. 8, p. 47, abstract No. 60151n, F. H. Otey et al., "Starch-based blow films" (Aug. 24, 1987).
Otey, F. H. et al., Ind. Eng. Chem. Res. 26(8): 1659-63 (1987), "Starch-Based Blown Films" European Search Report dated Aug. 6, 1992 in European Patent Application EP 92107183 with one-page annex.
Communication dated Aug. 14, 1992.
Patent Abstract of Japan vol. 11, No. 101.
Patent Abstract of Japan vol. 8, No. 19.

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