Distillation: processes – separatory – Adding material to distilland except water or steam per se – Organic compound
Reexamination Certificate
2006-10-31
2006-10-31
Manoharan, Virginia (Department: 1764)
Distillation: processes, separatory
Adding material to distilland except water or steam per se
Organic compound
C203S089000, C203S091000, C558S466000
Reexamination Certificate
active
07128815
ABSTRACT:
Process for recovery of highly pure acrylonitrile by quickly vaporizing under vacuum the contaminated acrylonitrile as well as fresh acrylonitrile followed by contacting with hydrophilic agents in an extractive distillation column using plural number of packed sections.
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Barve Prashant Purushottam
Ghike Shrikant Madhukar
Gupte Milind Yashwant
Joshi Chandrashekhar Narayan
Shinde Ravindra William
Council of Scientific and Industrial Research
Manoharan Virginia
Nixon & Vanderhye P.C.
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