Preparation of polycarbonates

Details Preparation of polycarbonates Preparation of polycarbonates

1983-06-27

1984-08-14

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

525434, 525437, 525446, 525462, 525474, 525534, 528166, 528196, 528198, 528200, 528204, 528370, 528371, C08G 6362

Patent

active

044657218

ABSTRACT:
This invention is concern with a method of preparing a polycarbonate resin by passing a solution of dihydric phenol through a source of hydrogen and reacting the solution with carbon monoxide.

REFERENCES:
patent: 3547790 (1970-12-01), Dannels et al.
patent: 3738963 (1973-06-01), Praetorius et al.

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