Process for obtaining caprolactam by cleaving caprolactam oligom

Details Process for obtaining caprolactam by cleaving caprolactam oligom Process for obtaining caprolactam by cleaving caprolactam oligom

1981-07-28

1982-11-23

Bond, Robert T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20112

Patent

active

043604617

ABSTRACT:
In a process for obtaining caprolactam by cleaving caprolactam oligomers by passing them through an alumina catalyst bed at an elevated temperature, the improvement that the oligomers are introduced, as liquid or solid, into a fluidized bed of alumina and are cleaved at from 290.degree. to 400.degree. C. in the presence of steam.

REFERENCES:
patent: 3264060 (1966-08-01), Nieswandt et al.
patent: 3350393 (1967-10-01), Petri et al.
patent: 3939153 (1976-02-01), Fowler
Ullmanns Encyklopadie der technischen Chemie, 4th Edition, vol. 9, p. 100.
Chemical Abstracts, vol. 84, 1976, No. 17764j.
Chemical Abstracts, vol. 63, No. 5, 1965, Spalte 5833e.
Chemical Abstracts, vol. 88, 1978, No. 170762j.
Soviet Inventions Illustrated, Section Chemical, Derwent Publications, Ltd., Jul. 1966, Section 1, p. 13.

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