Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-01-17
2006-01-17
Solola, Taofiq (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
06987191
ABSTRACT:
A process for the production of N-methyl pyrrolidone using gamma butyrolactone and mixed methylamines as starting materials, in a continuous process, in such operating conditions as to allow the production of high purity N-methyl pyrrolidone in high yields.
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Bertola Aldo
Cassarino Salvatore
Raucq Philippe
BASF - Aktiengesellschaft
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Sackey Ebenezer
Solola Taofiq
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