Method for increasing purity of melamine

Details Method for increasing purity of melamine Method for increasing purity of melamine

1995-06-07

1996-05-07

Ford, John M.

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

Organic compounds

Four or more ring nitrogens in the bicyclo ring system

C07D25162

Patent

active

055147976

ABSTRACT:
A method of purifying melamine produced from urea in a high-pressure, non-catalytic, non-aqueous process is described. In the method impure melamine is heated to a temperature of from about 250.degree. to about 1000.degree. F. under a pressure from about 600 to 3000 psi in the presence of ammonia to provide melamine having a purity of 99.0% or above. The method is economical since chemical treatment and recrystallization steps are not required.

REFERENCES:
patent: 4565867 (1986-01-01), Thomas et al.

Affiliated with

Also associated with

Rating

Method for increasing purity of melamine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for increasing purity of melamine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for increasing purity of melamine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1228246