Chemistry of hydrocarbon compounds – Purification – separation – or recovery – By addition of extraneous agent – e.g. – solvent – etc.
Reexamination Certificate
2006-11-28
2006-11-28
Nguyen, Tam M. (Department: 1764)
Chemistry of hydrocarbon compounds
Purification, separation, or recovery
By addition of extraneous agent, e.g., solvent, etc.
C585S351000, C554S207000, C554S206000
Reexamination Certificate
active
07141712
ABSTRACT:
A process for the recovery of phytonutrients such as carotenes, phospholipids and ubiquinones from palm oil esters is disclosed. This process comprises the steps of vacuum distillation, treatment and purification of concentrate containing these phytonutrients. The alkyl esters is subjected to at least one stage vacuum distillation at temperature from 80° C. to 220° C. and pressure less than 40 mTorr. The carotenes concentrate is subjected to various physical and chemical treatments to yield higher carotenes concentration enriched with ubiquinones in indigenous diacylglycerols.
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patent: 6072092 (2000-06-01), Ooi et al.
patent: 6649781 (2003-11-01), Tou
Basiron Yusof
Choo Yuen May
Lau Harrison Lik Nang
Ma Ah Ngan
Puah Chiew Wei
Birch Stewart Kolasch & Birch, LLP.
Malaysian Palm Oil Board
Nguyen Tam M.
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