Organic compounds -- part of the class 532-570 series – Organic compounds – Cyclopentanohydrophenanthrene ring system containing
Reexamination Certificate
2005-10-18
2005-10-18
Badio, Barbara P. (Department: 1617)
Organic compounds -- part of the class 532-570 series
Organic compounds
Cyclopentanohydrophenanthrene ring system containing
Reexamination Certificate
active
06956125
ABSTRACT:
The invention relates to a process for the production of sterols from fatty acid distillation residues, characterized in that the partial glycerides are subjected to a first transesterification step under mild conditions and, after working up and the removal of impurities, the sterol esters are subjected to a second transesterification step under more extreme conditions.
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Gutsche Bernhard
Schwarzer Joerg
Wollmann Gerhard
Badio Barbara P.
Cognis Deutschland GmbH & Co. KG
Daniels John F.
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