Separation process and products obtained thereby

Details Separation process and products obtained thereby Separation process and products obtained thereby

1981-10-01

1985-01-29

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260403, 2604125, 260428, C09F 510, C11B 300

Patent

active

044964897

ABSTRACT:
The invention provides a process for fractionation of compounds which in essentially non-polar solvents form mixed or co-micelles and hence cannot normally be fractionated by membrane filtration. By dissolving a mixture of such compounds in a solvent system in which selective micelles formation occurs, and contacting the solution under pressure with a semipermeable membrane to separate the mixture into a permeate and a retentate, fractionation of the compound mixture can be achieved, i.e. a fraction enriched in one of said compounds can be recovered from the permeate and/or the retentate by removing solvent therefrom. The new process is in particular useful for fractionating phosphatides-containing mixtures into a fraction enriched in phosphatidyl choline by ultrafiltration of a solution of the mixture in a solvent system comprising an essentially non-polar solvent and a polar solvent, e.g. hexane-ethanol, etc., through a semipermeable membrane, and recovering a fraction enriched in phosphatidyl choline from the permeate. A fraction enriched in phosphatidyl inositol can be recovered from the retentate.

REFERENCES:
patent: 3847804 (1974-11-01), Del Pico
patent: 4093540 (1978-06-01), Gupta
patent: 4166823 (1979-09-01), Sietz
patent: 4210594 (1980-07-01), Logan et al.
patent: 4235793 (1980-11-01), Betzing
patent: 4240914 (1980-12-01), Iwama et al.
patent: 4316730 (1982-02-01), Eibl

Affiliated with

Also associated with

Rating

Separation process and products obtained thereby does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Separation process and products obtained thereby, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Separation process and products obtained thereby will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-505715