Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Reexamination Certificate
2008-06-04
2011-10-11
Witherspoon, Sikarl (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C568S834000
Reexamination Certificate
active
08034983
ABSTRACT:
The invention describes the preparation and isolation of xanthophylls from plant sources, whereby a transesterification process is utilized without the necessity of an aqueous format.
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International Search Report PCT/IB2008/003510, 6 pgs., May 7, 2009.
Du Jian
Zhao Chenghai
Fulbright & Jaworski
Multi-Tech Specialty Chemicals, Co., Ltd.
Rothenberger Scott D.
Witherspoon Sikarl
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