Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1993-12-30
1996-04-16
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D37306
Patent
active
055084486
ABSTRACT:
A process for the catalytic preparation of trioxane from formaldehyde in the gas phase employs a catalyst comprising vanadyl hydrogenphosphate hemihydrate which may be unactivated or activated by steam.
No byproducts were obtained in the process and the space-time yield is high. Deposits in the reactor do not occur.
REFERENCES:
patent: 3496192 (1970-02-01), Ackermann et al.
patent: 4381397 (1983-04-01), Yoshida et al.
patent: 4563536 (1986-01-01), Yoshida et al.
Emig Gerhard
Hoffmockel Michael
Kern Frank
Kruger Benno
Muck Karl-Friedrich
Covington Raymond
Hoechst Aktiengesellschaft
Ivy C. Warren
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