Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1981-03-02
1982-08-17
Briggs, Sr., Wilbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525534, 528219, C08G 8100, C08G 6540
Patent
active
043450504
ABSTRACT:
The invention relates to block copolymers of polyphenylene oxides and polyformals of non-sterically-hindered dihydric phenols. These block copolymers can be molded, calendered, or extruded as films, sheets, fibers, laminates or other useful articles of manufacture.
REFERENCES:
patent: 3069386 (1962-12-01), Barclay
Bielinski Peter A.
Briggs Sr. Wilbert J.
Davis Jr. James C.
General Electric Company
Snyder Marvin
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