Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From carboxylic acid or derivative thereof
Patent
1976-12-20
1981-04-14
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From carboxylic acid or derivative thereof
525 94, C08L 6702
Patent
active
042621143
ABSTRACT:
This invention relates to polyester polyether segmented copolymers wherein the polyether segment contains a certain amount of heterocyclic ring repeat units, for example, the hydantoin ring. These polyester polyether segmented copolymers are useful in the production of fibers, films or other extrusion moldings where elastomeric properties are desirable.
REFERENCES:
patent: 3856754 (1974-12-01), Habermeier et al.
patent: 3886123 (1974-12-01), Habermeier et al.
patent: 3937753 (1976-02-01), Hahn et al.
patent: 3937755 (1976-02-01), Hahn et al.
patent: 4122072 (1978-10-01), Lawton
Johnson David A.
Wagener Kenneth B.
Akzona Incorporated
Anderson Harold D.
Hall Jack H.
Yarbrough Amelia B.
Young Francis W.
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