Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1982-03-23
1983-10-04
Ford, John M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C07D25170
Patent
active
044080450
ABSTRACT:
Process for the preparation of monomeric methylolmelamine which is partially etherified with methanol or ethanol and which contains at least 4 moles of formaldehyde per mole of melamine, by reacting melamine, paraformaldehyde and methanol or ethanol in a single stage reaction, the molar ratio of melamine to formaldehyde to alcohol being 1:5 to 10:6 to 20, in a virtually anhydrous medium, under a nitrogen atmosphere, at a pH of 7 to 8 and a temperature from 50.degree. to 90.degree. C. and with a reaction time of from 3 to 30 hours.
REFERENCES:
patent: 2529856 (1950-11-01), West et al.
patent: 2715619 (1955-08-01), Suen
patent: 2918452 (1959-12-01), Kun et al.
patent: 3661819 (1972-05-01), Koral et al.
patent: 3679589 (1972-07-01), Schnegelberger et al.
patent: 3915973 (1975-10-01), Ribka et al.
patent: 4101520 (1978-07-01), Boldizar
patent: 4163835 (1979-08-01), Piesch
patent: 4223141 (1980-09-01), Honel et al.
Dobramysl Wilhelm
Raml Walter
Stern Gerhard
Chemie Linz Aktiengesellschaft
Dryer Mark
Ford John M.
LandOfFree
Process for the preparation of partially etherified methylolmela does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for the preparation of partially etherified methylolmela, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of partially etherified methylolmela will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-975164