Cholesteric copolyisocyanates

Details Cholesteric copolyisocyanates Cholesteric copolyisocyanates

1997-04-03

1998-12-08

Gorr, Rachel

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 44, 528 56, 528 73, 528 75, 525452, C08G 1871

Patent

active

058470689

ABSTRACT:
Cholesteric copolyisocyanates with repeating units of the formulae: ##STR1## and, where appropriate, of the formula ##STR2## where R.sup.1 is a chiral aliphatic or aromatic radical,

REFERENCES:
patent: 4232951 (1980-11-01), Aharoni et al.

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