Process for the manufacture of ureas

Details Process for the manufacture of ureas Process for the manufacture of ureas

1976-04-07

1977-10-04

Wyman, Daniel E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260553R, C07C12719, C07C12715

Patent

active

040524540

ABSTRACT:
A process for the production of ureas by contacting at elevated temperatures and pressures in a basic solution a nitrogenous organic compound containing at least one non-cyclic group, in which a nitrogen atom is directly attached to a single carbon atom and is also attached through a double bond to an oxygen or another nitrogen atom, with carbon monoxide and with water or another nitrogenous organic compound in which the nitrogen atom is directly attached to at least one hydrogen atom, in the presence of an active amount of a catalyst selected from the group consisting of selenium, sulfur, compounds containing selenium, sulfur compounds and mixtures thereof.

REFERENCES:
patent: 2655534 (1953-10-01), Searle
patent: 3392197 (1968-07-01), Swakon
patent: 3539587 (1970-11-01), Swakon
patent: 3636104 (1972-01-01), Kober et al.
patent: 3865875 (1975-02-01), Hearsey et al.
patent: 3911006 (1975-10-01), Hearsey

Affiliated with

Also associated with

Rating

Process for the manufacture of ureas 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 manufacture of ureas, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the manufacture of ureas will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1775053