Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing
Reexamination Certificate
2007-07-17
2007-07-17
Badio, Barbara P. (Department: 1617)
Organic compounds -- part of the class 532-570 series
Organic compounds
Cyclopentanohydrophenanthrene ring system containing
Reexamination Certificate
active
10896486
ABSTRACT:
Processes for recovering phytosterols are described. The processes comprise: (a) providing a liquid mixture containing a phytosterol, methanol, and one or more additional compounds, wherein the methanol is present in an amount of from 25 to 75% by weight, based on the phytosterol; (b) cooling the mixture to form phytosterol crystals; and (c) separating the phytosterol crystals from the remainder of the mixture.
REFERENCES:
patent: 635497 (1950-04-01), None
Armengaud Rene
Gutsche Bernhard
Jordan Volkmar
Musholt Markus
Schwarzer Joerg
Badio Barbara P.
Cognis Deutschland GmbH & Co. KG
Daniels John F.
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