Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2006-11-21
2006-11-21
Boykin, Terressa (Department: 1711)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C252S299610, C428S001100, C528S198000, C528S199000, C528S204000, C528S271000, C528S370000
Reexamination Certificate
active
07138479
ABSTRACT:
The disclosure provides high quality, low yellowness index copolycarbonates comprising structural units derived from at least one aliphatic diol, at least an aromatic dihydroxy compound and a diaryl carbonate. Also disclosed herein is a method of making such copolycarbonates in presence of one or more catalysts.
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Chatterjee Gautam
Dhara Dibakar
Seetharaman C.
Shaikh Abbas Alli G.
Boykin Terressa
General Electric Company
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