Process for the preparation of ammonia

Details Process for the preparation of ammonia Process for the preparation of ammonia

2001-07-10

2004-08-24

Langel, Wayne A. (Department: 1754)

Chemistry of inorganic compounds

Nitrogen or compound thereof

Ammonia or ammonium hydroxide

C423S362000

Reexamination Certificate

active

06780387

ABSTRACT:

The present invention is directed to the preparation of ammonia by catalytic conversion of an ammonia synthesis gas.


REFERENCES:
patent: 3965246 (1976-06-01), Hinrichs
patent: 4073749 (1978-02-01), Passariello
patent: 4181701 (1980-01-01), Topsoe et al.
patent: 4298588 (1981-11-01), Pinto
patent: 4430254 (1984-02-01), Passariello
patent: 4668657 (1987-05-01), Jennings
patent: 4822586 (1989-04-01), Shannahan
patent: 20 19 706 (1971-11-01), None
patent: 0 060 622 (1982-09-01), None
patent: 2 448 384 (1980-09-01), None
patent: 2 077 613 (1981-12-01), None
Derwent Database No. XP002119097, Abstract for SU 321045A. See PCT search report.

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