Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1989-09-28
1991-02-19
Anderson, Harold D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528322, 548473, C08G 7310
Patent
active
049945459
ABSTRACT:
The polyetherimides have repeating groups which may be represented by the general formula: ##STR1## They are produced from novel monomers of the formula ##STR2## Synthesis procedures for forming such monomers are also described.
Robinson Gene C.
Stahly G. Patrick
Anderson Harold D.
Ethyl Corporation
Hammond Richard J.
Sieberth John F.
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