Preparation of alkylamines and method of increasing the...

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

Reexamination Certificate

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C564S408000

Reexamination Certificate

active

07074964

ABSTRACT:
In a process for preparing alkylamines by reacting olefins with ammonia, primary or secondary amines under hydroaminating conditions over a calcined zeolitic catalyst, the calcined zeolitic catalyst is thermally activated at from 100 to 550° C. in a gaseous stream of air, nitrogen, other inert gases or mixtures thereof not more than 24 hours before commencement of the reaction.

REFERENCES:
patent: 5174976 (1992-12-01), Chu et al.
patent: 6143934 (2000-11-01), Dingerdissen et al.
patent: 6576796 (2003-06-01), Funke et al.
patent: 1216596 (1987-01-01), None
patent: 133 938 (1985-03-01), None
patent: 263 462 (1988-04-01), None
patent: 97/07088 (1997-02-01), None
patent: 02/00597 (2002-01-01), None
Derwent Abst. 87-199721/29 (1986).

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