Method for producing melamine

Details Method for producing melamine Method for producing melamine

2006-02-27

2011-11-15

Balasubramanian, Venkataraman (Department: 1624)

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C544S201000

Reexamination Certificate

active

08058428

ABSTRACT:
The invention concerns a method for producing melamine by dissolving urea, in which solid, liquid or gaseous media other than the gas mixture consisting of the components formed during the reaction is used to desublime the melamine from the gas phase.

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Crews et al: “Melanime and Guanamines”, Ulmann's Encyclopedia of Industrial Chemistry, vol. 21, 2003, pp. 205-216, XP002393510, pp. 208-211.

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