C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/350.8
C07D 323/06 (2006.01)
Patent
CA 1243036
- 1 - Abstract of the DiscLosure: The invention reLates to a process for the continuous preparation of trioxane, optionaLLy together with cycLic formaLs, from an aqueous formaLdehyde soLution in the presence of acidic soLid-bed cataLysts, the reaction taking pLace without simuLtaneous evaporation. The process according to the invention can be carried out even at high formaLdehyde concentrations without appreciabLe paraformaLdehyde deposits.
497799
Burg Karlheinz
Muck Karl-Friedrich
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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