Patent search ap:("INVISTA Technologies S.à.r.l.") AND inv:"ALSOP Page Albert

1.

发明授权
PROCESS FOR REDUCING CAPROLACTAM AND ITS OLIGOMERS IN NYLON-6 PRE-POLYMER 有权
Title translation: 在尼龙-6预聚合物中降低己内酰胺及其低聚物的方法

公开(公告)号：EP1618139B1

公开(公告)日：2006-08-16

申请号：EP04760269.3

申请日：2004-04-16

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

Inventor： ALSOP, Albert, W. , CAMP, Carl, E. , IWASYK, John, M. , RAJAGOPALAN, Dilip

IPC: C08G69/04 , C08G69/16 , C08G69/38

CPC classification number: C08G69/16 , C08G69/18

Abstract: Disclosed is a process for reducing low molecular weight impurities, namely caprolactam and its oligomers, from Nylon-6 pre-polymer during the preparation of Nylon-6 polymer

Abstract translation: 公开了一种在制备尼龙-6聚合物期间由尼龙-6预聚物减少低分子量杂质即己内酰胺及其低聚物的方法

2.

发明授权
INCREASED VOLATILE REMOVAL DURING SOLID PHASE PROCESSING OF NYLON 6 BY TEMPERATURE PROGRAMMING 有权
Title translation: 挥发性物质在尼龙-6固相硬化处理程序升温更好地去除

公开(公告)号：EP1392754B1

公开(公告)日：2006-05-03

申请号：EP02741742.7

申请日：2002-05-29

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

Inventor： ALSOP, Albert, W. , MARKS, David, N.

IPC: C08G69/06 , C08G69/46 , C08G69/16

CPC classification number: C08G69/16 , C08G69/06 , C08G69/46

Abstract: Process for increasing the molecular weight of nylon 6 while reducing its content of caprolactam and other volatiles by a two-staged heating process.

Patent Agency Ranking