METHOD FOR PRODUCING PURIFIED NITRILE RUBBERS
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United States of America Patent
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Issued Date -
Nov 6, 2014
app pub date -
Dec 11, 2012
filing date -
Dec 29, 2011
priority date (Note) -
Abandoned
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Abstract
A new process is provided for producing a purified nitrile rubber by subjecting the nitrile rubber, which contains specific impurities, to a defined ultrafiltration. Success is thereby achieved in substantially reducing the amount of the specific impurities in the nitrile rubber.
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