Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing
Patent
1996-08-30
1998-06-23
Prior, Kimberly J.
Organic compounds -- part of the class 532-570 series
Organic compounds
Cyclopentanohydrophenanthrene ring system containing
C07J 7500
Patent
active
057707499
ABSTRACT:
The invention is drawn to a process for isolating and purifying a phytosterol composition from a pulping soap by first extracting a creamy precipitate from the pulping soap using a solvent mixture of water, ketone, and hydrocarbon, and then purifying the cremy precipitate to form the phytosterol composition. The invention also includes the phytosterol composition formed by this method.
REFERENCES:
patent: 4044031 (1977-08-01), Johansson et al.
patent: 4265824 (1981-05-01), Koskenniska et al.
patent: 4279827 (1981-07-01), Ukkonen et al.
Jones Peter J.
Kutney James P.
Novak Egon
Ben-Oliel Susan M.
Prior Kimberly J.
The University of British Columbia - University Maison Office
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