Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Treating polymer containing material or treating a solid...
Patent
1977-12-19
1980-01-08
Briggs, Sr., Wilbert J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Treating polymer containing material or treating a solid...
528196, 528370, 528491, 528498, C08J 314, C08G 6362
Patent
active
041828500
ABSTRACT:
Production of polycarbonate or phenolphthalein polycarbonate copolymers and method for recovery of solid copolymer from solution.
REFERENCES:
patent: 3035020 (1962-05-01), Fry
patent: 3036036 (1962-05-01), Howe
patent: 3214407 (1965-10-01), Butterworth
patent: 3264262 (1966-08-01), Baker et al.
patent: 3264263 (1966-08-01), Baker
patent: 3264264 (1966-08-01), Baker
patent: 3267074 (1966-08-01), Wood
Polycarbonates; E. D. Oliver; Stanford Research Institute Report No. 50; pp. 26-33, Apr. 1969.
Polycarbonates; E. D. Oliver; Stanford Research Institute Report No. 50A Supplement, pp. 32-37, Sep. 1975.
Marshall Cary S.
Steffanson Robert S.
Briggs Sr. Wilbert J.
Street G. D.
The Dow Chemical Company
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