C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/350.8
C07D 323/06 (2006.01)
Patent
CA 1146951
HOE 79/F 081 PROCESS FOR THE CONTINUOUS MANUFACTURE OF TRIOXAN Abstract of the disclosure: The invention provides a process for the continuous manufacture of trioxan, optionally together with cyclic formals, from aqueous formaldehyde solutions in a circu- lation reactor with evaporator, the vapor/liquid mixture leaving the evaporator is fed in below the liquid level of the reaction mixture. The process of the invention allows to attain especially high space/time yields.
348722
Bar Helmut
Burg Karheinz
Mader Herbert
Muck Karl-Friedrich
Sextro Gunter
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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