Polymers comprising heterocyclic system

Details Polymers comprising heterocyclic system Polymers comprising heterocyclic system

1979-02-02

1981-01-20

Anderson, Harold D.

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

Synthetic resins

From sulfur-containing reactant

528405, 528423, 528425, C08G 7512, C08G 7528

Patent

active

042463971

ABSTRACT:
This invention concerns polymers of the general formula: ##STR1## wherein R is a multivalent hydrocarbon radical and Het is a 5 to 8 membered heterocyclic system having a nitrogen, oxygen or sulfur hetero atom. The polymers are useful for making articles of manufacture and as coating for delivering beneficial agents.

REFERENCES:
patent: 4093709 (1978-06-01), Choi et al.

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