Inventor
NICHOLS CARL S
US21 patents
⚠️ This page may combine multiple inventors who share the name “NICHOLS CARL S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WELLMAN INC
14 patentsUS5898058AApr 27, 1999
Method of post-polymerization stabilization of high activity catalysts in continuous polyethylene terephthalate production
WELLMAN INC239 citations98
US5876644AMar 2, 1999
Food quality polyester recycling
WELLMAN INC101 citations97
US7129317B2Oct 31, 2006
Slow-crystallizing polyester resins
WELLMAN INC44 citations91
US7094863B2Aug 22, 2006
Polyester preforms useful for enhanced heat-set bottles
WELLMAN INC37 citations91
US5246589ASep 21, 1993
Repaired filtration elements for polymer manufacture
WELLMAN INC10 citations73
US6485829B2Nov 26, 2002
Polyester modified with polyethylene glycol and pentaerythritol
WELLMAN INC9 citations72
US6294254B1Sep 25, 2001
Polyester modified with polyethylene glycol and pentaerythritol
WELLMAN INC11 citations72
US7759449B2Jul 20, 2010
Methods for introducing additives into polyethylene terephthalate
WELLMAN INC3 citations62
US6031065AFeb 29, 2000
Polyester copolymers from naphthalate and related esters
WELLMAN INC2 citations57
US5665784ASep 9, 1997
Recovery of polyester from spent film
WELLMAN INC4 citations57
US5523329AJun 4, 1996
Recovery of polyester from spent film
WELLMAN INC3 citations57
US6221488B1Apr 24, 2001
Modified polyester with high intrinsic viscosity at moderate strength
WELLMAN INC0 citations51
US6110587AAug 29, 2000
Modified polyester with high intrinsic viscosity at moderate strength
WELLMAN INC1 citations51
US5217659AJun 8, 1993
Repair of filtration elements for polymer manufacture
WELLMAN INC0 citations41
HOECHST CELANESE CORP
4 patentsUS5008230AApr 16, 1991
Catalyst for preparing high clarity, colorless polyethylene terephthalate
HOECHST CELANESE CORP80 citations96
US5166311ANov 24, 1992
Catalyst system and process for preparing high clarity, colorless polyethylene terephthalate
HOECHST CELANESE CORP35 citations92
US4975233ADec 4, 1990
Method of producing an enhanced polyester copolymer fiber
HOECHST CELANESE CORP22 citations78
US5091504AFeb 25, 1992
Enhanced polyester copolymer fiber
HOECHST CELANESE CORP16 citations70
GOODRICH CO B F
3 patentsUS4988461AJan 29, 1991
Compositions of water-dispersed amine-containing polymers
GOODRICH CO B F5 citations62
US4882081ANov 21, 1989
Compositions of water-dispersed carboxyl-containing liquid polymers
GOODRICH CO B F5 citations62
US5089165AFeb 18, 1992
Compositions of water-dispersed diprimary amine terminated polymers
GOODRICH CO B F0 citations41