Separation of components of organic liquids

Details Separation of components of organic liquids Separation of components of organic liquids

2005-07-05

2005-07-05

Fortuna, Ana (Department: 1723)

Liquid purification or separation

Processes

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

C210S500360, C210S638000, C210S321800, C095S045000, C095S050000

Reexamination Certificate

active

06913696

ABSTRACT:
A pervaporation process for separating organic liquid mixtures of components having differing polarities, uses an ion exchange membrane which comprises a polymerized alkene including pendant groups of formula SO2N(R)—A—QX where R is H or alkyl, A is alkylene, Q is quaternary ammonium, and X is a negatively-charged counter-ion, the sulfur content of the membrane being in the range 3-10 wt. %.

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PCT Notification of Transmittal of International Preliminary Examination Report; International Application No. PCT/IL00/00168; International Filing Data Mar. 16, 2000; Priority Date Mar. 25, 1999; Date of Mailing Jun. 11, 2001; 1 pg.
PCT International Preliminary Examination Report; Date of Completion of this report, May 15, 2001; 4 pgs.
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