Higher alcohols for solvents in amine production

Details Higher alcohols for solvents in amine production Higher alcohols for solvents in amine production

2007-03-27

2007-03-27

Davis, Brian (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C564S490000, C564S491000, C564S492000, C564S493000

Reexamination Certificate

active

11119790

ABSTRACT:
A nitrile-containing mixture, which includes a nitrile dissolved in a higher alcohol solvent, and hydrogen are fed to a reactor containing a catalyst. An amine is produced by hydrogenating the nitrile that is dissolved in the higher alcohol solvent. In a preferred embodiment, the reactor also contains a caustic solution. The preferred nitrile-containing mixture includes octadecaneditrile (ODDN) and hexanol to produce a preferred octadecanediamine (ODDA) through hydrogenation.

REFERENCES:
patent: 3821305 (1974-06-01), Bartalini
patent: 4375003 (1983-02-01), Allain et al.
patent: 4429159 (1984-01-01), Cutchens
patent: 5886227 (1999-03-01), Vedage et al.
patent: 6281388 (2001-08-01), Goodwin, III
patent: 6469211 (2002-10-01), Ansmann
patent: 2004/0181093 (2004-09-01), Kim et al.

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