公开(公告)号：EP2173800B1

公开(公告)日：2011-04-13

申请号：EP08776100.3

申请日：2008-07-31

Applicant: Invista Technologies S.à.r.l.

Inventor： WHISTON, Keith ,  FORSYTH, Stewart ,  SEDDON, Kenneth, R.

IPC: C08J11/18 ,  C07D201/12

CPC classification number: C08J11/18 ,  C07D201/12 ,  Y02P20/542 ,  Y02W30/706

Abstract: An improved process for the hydrolysis of nylon polymer is herein disclosed using ionic liquids and optionally one equivalent of sulfuric acid per amide residue of the polymer. The process provides for a simplified means for separation of the hydrolyzed polyamide constituent monomers.

公开(公告)号：EP2162435B1

公开(公告)日：2013-09-04

申请号：EP08756424.1

申请日：2008-05-29

Applicant: Invista Technologies S.à.r.l.

Inventor： FORSYTH, Stewart ,  SEDDON, Kenneth, R. ,  WHISTON, Keith

IPC: C07D211/14 ,  C07D223/04 ,  C25B3/00

CPC classification number: C07D211/14 ,  C07D223/04 ,  C25B3/02

公开(公告)号：EP2173800A2

公开(公告)日：2010-04-14

申请号：EP08776100.3

申请日：2008-07-31

Applicant: Invista Technologies S.à.r.l.

Inventor： WHISTON, Keith ,  FORSYTH, Stewart ,  SEDDON, Kenneth, R.

IPC: C08J11/18 ,  C07D201/12

CPC classification number: C08J11/18 ,  C07D201/12 ,  Y02P20/542 ,  Y02W30/706

Abstract: An improved process for the hydrolysis of nylon polymer is herein disclosed using ionic liquids and optionally one equivalent of sulfuric acid per amide residue of the polymer. The process provides for a simplified means for separation of the hydrolyzed polyamide constituent monomers.