Organic compounds -- part of the class 532-570 series – Organic compounds – Phosphorus containing
Reexamination Certificate
2004-12-14
2009-06-16
Shiao, Rei-tsang (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Phosphorus containing
Reexamination Certificate
active
07547807
ABSTRACT:
The present invention relates to a process for preparing quaternary phosphonium salts by reacting a ternary phosphine with an optionally substituted, saturated or monounsaturated or polyunsaturated electrophile having from 3 to 25 carbon atoms in ternary solvent mixtures.
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Exner Kai Michael
Glas Detlev
Laas Harald
Massonne Klemens
Szarvas Laszlo
BASF SE
Connolly Bove & Lodge & Hutz LLP
Shiao Rei-tsang
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