Process for the production of modified polyisocyanates, the comp

Details Process for the production of modified polyisocyanates, the comp Process for the production of modified polyisocyanates, the comp

1985-11-08

1987-04-07

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

528 65, 528 66, 528 85, C08G 1834

Patent

active

046562230

ABSTRACT:
The present invention relates to a process for the production of modified organic polyisocyanates containing urethane, carboxylic acid anhydride and biuret groups by reacting excess quantities of organic diisocyanates with a modifying agent containing

REFERENCES:
patent: 3412054 (1968-11-01), Milligan et al.
patent: 4447571 (1984-05-01), Dabi et al.

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