Title:
MANUFACTURE OF MASKED POLYISOCYANATE
Document Type and Number:
Japanese Patent JPS5444670
Kind Code:
A
Abstract:
This invention relates to blocked isocyanates and to a method for making blocked isocyanates by blocking the isocyanate groups of a polyisocyanate, which may be chain extended, with a cyclic amidine compound of the formula where the R's are the same or different substituents inert to isocyanate groups.
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Inventors:
RAINERU GURASU
YOHAN OOBENDORUFU
ERUMAARU UORUFU
YOHAN OOBENDORUFU
ERUMAARU UORUFU
Application Number:
JP7877678A
Publication Date:
April 09, 1979
Filing Date:
June 30, 1978
Export Citation:
Assignee:
VEBA CHEMIE AG
International Classes:
C07D233/06; (IPC1-7): C07D233/38