Inventor
LEE KIU-SEUNG
US43 patents
⚠️ This page may combine multiple inventors who share the name “LEE KIU-SEUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
32 patentsUS6306989B1Oct 23, 2001
Situ fluoropolymer polymerization into porous substrates
DU PONT24 citations92
US5532059AJul 2, 1996
Poly(p-phenylene terephthalamide) pulp
DU PONT24 citations92
US5296543AMar 22, 1994
Aromatic polyamide compositions and fibers
DU PONT30 citations92
US5073440ADec 17, 1991
Poly(vinyl pyrrolidone)/p-phenylene terephthalamide composite fibers (pvp/ppd-t)
DU PONT35 citations92
US5370934ADec 6, 1994
Electroless plated aramid surfaces
DU PONT28 citations91
US5523034AJun 4, 1996
Solution of PPD-T and PVP and articles made therefrom
DU PONT17 citations82
US5276085AJan 4, 1994
Aromatic polyamide compositions and fibers
DU PONT17 citations82
US4737571AApr 12, 1988
Preparation of aromatic polyamide with solvent system comprising N-alkyl substituted amide and quaternary ammonium compound
DU PONT22 citations82
US7528217B2May 5, 2009
Polymers and fibers formed therefrom
DU PONT15 citations81
US7582721B2Sep 1, 2009
Two step preparation of random polyoxadiazole copolymer and articles resulting therefrom
DU PONT8 citations80
US7528216B2May 5, 2009
Two step preparation of random polyoxadiazole copolymer and articles resulting therefrom
DU PONT8 citations80
US7758757B2Jul 20, 2010
Method for removing hydrazine compounds
DU PONT7 citations74
US5416164AMay 16, 1995
Solution of PPD-T and PVP and articles made therefrom
DU PONT13 citations74
US5135687AAug 4, 1992
Process for making PVP/para-aramid fibers
DU PONT15 citations74
US5114652AMay 19, 1992
Process for making colored aramid fibers
DU PONT18 citations74
US4994323AFeb 19, 1991
Colored aramid fibers
DU PONT8 citations74
US9193841B2Nov 24, 2015
Film comprising a mixture of poly (M-phenylene isophthalamide) and copolymer made from (6)-amino-2-(P-aminophenyl) benzimidazole
DU PONT6 citations73
US5389326AFeb 14, 1995
Fibers and films of improved flame resistance
DU PONT14 citations73
US5399382AMar 21, 1995
Electroless plated aramid surfaces
DU PONT15 citations72
US5356666AOct 18, 1994
Process for reducing the flammability of aramids
DU PONT7 citations72
US7189346B2Mar 13, 2007
Polybenzazole fibers and processes for their preparation
DU PONT3 citations63
US4684409AAug 4, 1987
Solvent system comprising N-alkyl substituted amide and quaternary ammonium compound
DU PONT5 citations63
US5319013AJun 7, 1994
Fiber and film of improved flame resistance containing mixed oxides of tungsten
DU PONT4 citations62
US7465782B2Dec 16, 2008
Method for making polybenzobisoxazole containing fiber
DU PONT0 citations52
US6677033B2Jan 13, 2004
In situ fluoropolymer polymerization into porous substrates
DU PONT0 citations51
US6916549B2Jul 12, 2005
In situ fluoropolymer polymerization into porous substrates
DU PONT1 citations47
US7772418B1Aug 10, 2010
Process for producing 3,4′ diacetoxybenzophenone
DU PONT0 citations45
US7772441B1Aug 10, 2010
Process for producing 3,4′ dihydroxybenzophenone
DU PONT0 citations45
US10301747B2May 28, 2019
Fiber comprising a mixture of poly(m-phenylene isophthalamide) and copolymer made from 5(6)-amino-2-(p-aminophenyl)benzimidazole
DU PONT0 citations42
US9790366B2Oct 17, 2017
Composite polymer solution of poly(M-phenylene isophthalamide) and copolymer made from 5(6)-amino-2-(P-aminophenyl)benzimidazole
DU PONT0 citations42
US9663875B2May 30, 2017
Sheets and fibrids comprising a mixture of poly(m-phenylene isophthalamide) and copolymer made from 5(6)-amino-2-(p-aminophenyl)benzimidazole
DU PONT0 citations42
US7465781B2Dec 16, 2008
Method for making polybenzobisoxazole containing polymer
DU PONT0 citations42
LEE KIU-SEUNG
11 patentsUS8716433B2May 6, 2014
Aramid copolymer
LEE KIU-SEUNG2 citations62
US8716434B2May 6, 2014
Aramid copolymer
LEE KIU-SEUNG2 citations62
US9127143B2Sep 8, 2015
Aramid copolymer
LEE KIU-SEUNG0 citations51
US8907051B2Dec 9, 2014
Process for forming an aramid copolymer
LEE KIU-SEUNG0 citations51
US8907052B2Dec 9, 2014
Process of forming an aramid copolymer
LEE KIU-SEUNG0 citations51
US8835600B2Sep 16, 2014
Process of forming an aramid copolymer
LEE KIU-SEUNG0 citations51
US8822632B2Sep 2, 2014
Process for forming an aramid copolymer
LEE KIU-SEUNG0 citations51
US8809434B2Aug 19, 2014
Process for preparing aramid copolymer
LEE KIU-SEUNG0 citations51
US8716431B2May 6, 2014
Process for preparing aramid copolymer
LEE KIU-SEUNG0 citations51
US8716432B2May 6, 2014
Process for forming an aramid copolymer
LEE KIU-SEUNG0 citations51
US7253247B2Aug 7, 2007
Method of making aromatic dihydroxy diacid dihalides and precipitates resulting therefrom
LEE KIU-SEUNG0 citations51