Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1988-08-15
1990-06-12
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
525462, 525467, 525468, 528196, 528198, 548548, C08G 6362
Patent
active
049334255
ABSTRACT:
An aromatic polycarbonate containing at least one terminal group represented by the formula ##STR1## wherein R and R' are the same or different and are alkyl, aryl or halogen; a and b are the same or different and are zero or an integer of one to four; W is 0, S, SO, SO.sub.2, CH.sub.2, CHR or CR.sub.2 wherein R is identified above: ##STR2## Preferably a and b are the same or different and are zero or one, more preferably each is zero. W is CH.sub.2, CHR or CR.sub.2.
REFERENCES:
patent: 4645822 (1987-02-01), Stix et al.
patent: 4663424 (1987-05-01), Stix et al.
CA105 173280F 1987.
Anderson Harold D.
Barancik Martin
General Electric Co.
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