Process for the preparation of 3,3,5-trimethylcyclohexanone

Details Process for the preparation of 3,3,5-trimethylcyclohexanone Process for the preparation of 3,3,5-trimethylcyclohexanone

1996-06-26

1998-03-17

Geist, Gary

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568377, 568881, C07C 49303

Patent

active

057288917

ABSTRACT:
A process for the preparation of 3,3,5-trimethylcyclohexanone by catalytic hydrogenation of isophorone, wherein the hydrogenation is carried out in a plurality of two or more series-connected loops, wherein each loop involves the use of one reactor, which comprises:

REFERENCES:
patent: T892018 (1971-11-01), Wellman et al.
patent: 3361822 (1968-01-01), Schmidt et al.
patent: 3446850 (1969-05-01), Cotrupe et al.
patent: 3903171 (1975-09-01), Toussaint et al.
patent: 4273945 (1981-06-01), Heilen et al.
patent: 4450300 (1984-05-01), Fischer et al.
patent: 4451677 (1984-05-01), Bradley et al.

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