Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus esters
Reexamination Certificate
2007-03-09
2009-12-08
Shiao, Rei-tsang (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus esters
Reexamination Certificate
active
07629484
ABSTRACT:
One or more triorganophosphite components are separated from a crude phosphite mixture containing acidic hydrolysis products.The crude phosphite mixture is contacted with a basic additive to produce a second mixture comprising a first phase and a second phase. The first phase comprises the basic additive and acidic hydrolysis products.The second phase comprises one or more triorganophosphite components.
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Shiao Rei-tsang
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