C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 57/07 (2006.01)
Patent
CA 2655816
The invention relates to a method for purifying, by distillation, polymerizable compounds, using a high-boiling, inert substance as the boiling oil, said substance having a long-term thermal stability. The invention is characterized in that the boiling oil is present in the sump of a rectification column.
L'invention concerne un procédé de purification de composés polymérisables par distillation au moyen d'une substance inerte, à haut point d'ébullition et thermiquement stable à long terme, laquelle substance est qualifiée d'huile à point d'ébullition. L'invention se caractérise en ce que l'huile à point d'ébullition se trouve dans le bas d'une colonne de rectification.
Broell Dirk
Siegert Hermann
Evonik Roehm Gmbh
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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