Heterocyclic diisocyanates and a process for making polyurethane

Details Heterocyclic diisocyanates and a process for making polyurethane Heterocyclic diisocyanates and a process for making polyurethane

1974-04-02

1979-03-27

Love, Ethel G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

260302D, 528 73, 528 67, 544222, 548314, C07D25100, C07D27500, C07D23340

Patent

active

041467230

ABSTRACT:
Novel heterocyclic diisocyanates are prepared by reacting a urea diisocyanate of the formula ##STR1## IN WHICH B is a divalent organic radical and n is an integer of 1 to 3 with a compound having the formula

REFERENCES:
patent: 2514353 (1950-07-01), Walter
patent: 2526757 (1950-10-01), Larson et al.
patent: 3410866 (1968-11-01), Middleton
patent: 3787435 (1974-01-01), Scholl et al.
patent: 3912754 (1975-10-01), Findeisen et al.
Chem. Abstracts 82:125981 v.

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