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US 2001/0056175 A1Published application
Polysulfone films
OwnerSelvaraj Savariar, Geoffrey S. Underwoodinventors
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Abstract
A film comprising polysulfone wherein the polysulfone contains no more than about 1.4 weight percent sulfone cyclic dimer.
Claims5
A film comprising polysulfone wherein the polysulfone contains no more than about 1.4 weight percent sulfone cyclic dimer.
Dependencies are inferred from the claim text.