Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Reexamination Certificate
2005-01-18
2008-08-12
Shiao, Rei-Tsang (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C564S471000, C564S478000
Reexamination Certificate
active
07411095
ABSTRACT:
A method for producing highly pure enamines, which comprises reacting an aldehyde or ketone with an amine and treating the resulting reaction mixture with an acidic aqueous solution at a temperature between 0° C. and 30° C.
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Kojima Shunshi
Okazaki Rei
Yokokawa Hideharu
Frishauf Holtz Goodman & Chick P.C.
Sankyo Company Limited
Shiao Rei-Tsang
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