Polyurethane polymers comprising macrocyclic crown ethers in the

Details Polyurethane polymers comprising macrocyclic crown ethers in the Polyurethane polymers comprising macrocyclic crown ethers in the

1983-05-16

1984-03-20

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...

C08G 1832

Patent

active

044382510

ABSTRACT:
The present invention relates to polyurethane polymers comprising macrocyclic polyether moieties in the polymer backbone. The polymers may be formed into films which are useful for a variety of purposes.

REFERENCES:
patent: 3361778 (1968-01-01), Pedersen
patent: 3562295 (1971-02-01), Pedersen
patent: 3686225 (1972-08-01), Pedersen
patent: 3687978 (1972-08-01), Pedersen
patent: 3856813 (1974-12-01), Pedersen
patent: 3873569 (1975-03-01), Pedersen

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