Polyisocyanates with at least one hydantoin or thiohydantoin rin

Details Polyisocyanates with at least one hydantoin or thiohydantoin rin Polyisocyanates with at least one hydantoin or thiohydantoin rin

1978-11-08

1980-07-15

Trousof, Natalie

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

528 73, 528 75, 528902, 521161, C07D23378, C07D23386

Patent

active

042129826

ABSTRACT:
Polyiso(thio)cyanates containing a (thio)hydantoin ring substituted by carboxylic acid amide groups in the molecule are obtained by reacting optionally substituted ethylene- 1,2-dicarboxylic acid anhydrides with amino alcohols and an excess of polyiso (thio) cyanates.

REFERENCES:
patent: 3945982 (1976-03-01), Morgan
patent: 3966683 (1976-06-01), Merten et al.
patent: 4076941 (1978-02-01), Sauli
patent: 4091223 (1978-05-01), Zussman et al.

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