Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1989-05-05
1990-10-30
Griffin, Donald A.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
528176, H01G 408, C08G 6302
Patent
active
049673068
ABSTRACT:
This invention provides oligomer-free polyesters that consist essentially of repeating, interpolymerized units derived from isophthalic acid and/or terephthalic acid, and 9,9-bis-(4-hydroxyphenyl)-fluorene, a process for making such polyesters and articles comprising said polyesters such as electrical capacitors, optical films and fibers.
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Hampl, Jr. Edward F.
Iqbal Mohammad
Griffin Donald A.
Kirn, Jr. Walter N.
Maki Eloise J.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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