PROCESS FOR HYDROLYZING POLYPHOSPHORIC ACID IN A SPUN YARN
摘要
<p>The present invention relates to processes for hydrolyzing polyphosphoric acid in a fiber and the removal of hydrolyzed polyphosphoric acid from the fiber.</p>
申请公布号
EP1863957(B1)
申请公布日期
2012.06.13
申请号
EP20060748889
申请日期
2006.03.27
申请人
E.I. DU PONT DE NEMOURS AND COMPANY;MAGELLAN SYSTEMS INTERNATIONAL, LLC
