Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1991-07-15
1993-06-08
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528171, 528174, 528196, 528198, 528204, C08G 6420
Patent
active
052180786
ABSTRACT:
A process for preparing a halogenated polycarbonate wherein phenolic-terminated, halogenated carbonate oligomers are prepared in the presence of a coupling catalyst, and are then condensed by contact with a carbonate precursor.
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Marks Maurice J.
Sekinger John K.
Anderson Harold D.
Langworthy John A.
The Dow Chemical Company
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