Polyhydantoins containing sulphone groups

Details Polyhydantoins containing sulphone groups Polyhydantoins containing sulphone groups

1988-09-29

1989-07-18

Welsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 49, 528 53, 528 54, 528 55, 528 57, 528 62, 528 68, 528 73, C08G 1828

Patent

active

048494925

ABSTRACT:
Polyhydantoins of the general formula ##STR1## in which X stands for a bivalent aliphatic, aromatic or araliphatic radical,

REFERENCES:
patent: 3397253 (1968-08-01), Merten et al.
patent: 3549599 (1922-12-01), Merten
patent: 3676455 (1972-07-01), Haug et al.
patent: 3681282 (1972-08-01), Preston
patent: 3684774 (1972-08-01), Merten et al.
patent: 3876584 (1975-04-01), Okada et al.
patent: 3915938 (1975-10-01), Mazaki et al.
patent: 3939122 (1976-02-01), Merten et al.
patent: 4005056 (1977-01-01), Dunwald et al.
patent: 4702953 (1987-10-01), Jonas et al.

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