Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate
2005-03-21
2008-08-26
Zucker, Paul A (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
Reexamination Certificate
active
07417166
ABSTRACT:
The present invention relates to a process for the preparation of gabapentin and, more particularly, it relates to a precipitation process of gabapentin by acidification of an aqueous solution deriving from the Hofmann rearrangement of 1,1-cyclohexanediacetic acid monoamide.
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Cotarca Livius
Giovanetti Roberto
Nicoli Andrea
Soriato Giorgio
Verzini Massimo
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Zach System S.p.A.
Zucker Paul A
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