Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0524896
Kind Code:
B2
Abstract:
The invention describes a process for the preparation of N,o-substituted mono- and/or polyurethanes of formula R1[-NHCOOR2]n, in which R1 is an aliphatic, cycloaliphatic, aromatic, araliphatic, or heterocyclic radical, which may be substituted, R2 is an aliphatic, cycloaliphatic, or araliphatic radical which may be substituted with alkoxy or polyoxyalkylene groups, and n is a whole number from 1 to 5, through the reaction of N-substituted allophanates and/or polyallophanates with alcohols R2OH in the presence or absence of catalysts at temperatures of at least 160 DEG C., preferably from 165 DEG to 250 DEG C.

Inventors:
FURANTSU MERUGAA
FURIIDORIHI TOE
Application Number:
JP15771484A
Publication Date:
April 09, 1993
Filing Date:
July 30, 1984
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BASF AG
International Classes:
C08G71/00; C07C67/00; C07C239/00; C07C269/00; C08G71/04



 
Next Patent: GAS DETECTOR