Process for producing tertiary amine

Details Process for producing tertiary amine Process for producing tertiary amine

2008-07-22

2008-07-22

Davis, Brian J (Department: 1621)

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

Organic compounds

Amino nitrogen containing

C564S480000

Reexamination Certificate

active

11289476

ABSTRACT:
The invention relates to a process for producing a tertiary amine, which includes reacting an alcohol with a primary or secondary amine gas in the presence of a catalyst with an agitating vessel under the stirring conditions where the ratio (Pg/P0) of agitating power at the time of the maximum flow rate of an introducing gas (Pg[W]) to agitating power at the time of no introduction of the gas (P0[W]) becomes 10−1.8Naor more wherein Nais the gas flow number, and Na=Qg
d3whereupon Qg[m3/s] is the flow rate of an introducing gas, n [1/s] is the number of revolutions, and d [m] is the diameter of an agitating impeller.

REFERENCES:
patent: 2006/0135815 (2006-06-01), Oguri et al.
patent: 2001-151733 (2001-06-01), None
“Kagaku Kogaku Binran”, Chemical Engineering Handbook, revised 5thedition, Apr. 15, 1992, pp. 901-902, with partial English translation.
U.S. Appl. No. 11/911,032, filed Oct. 9, 2007, Nishimura, et al.

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