Inventor · disambiguated record
Carl Steven Nichols
Also filed as: NICHOLS CARL S · NICHOLS CARL STEVEN
35 granted patents·10 pending applications·1,129 citations·filing 1987–2011
98Inventor score
Files withWELLMAN INC29HOECHST CELANESE CORP4GOODRICH CO B F3THOMPSON DAVID EUGENE2EDWARDS WALTER L1
Top patents by PatentIndex Score
45 records- 0198US5898058AMethod of post-polymerization stabilization of high activity catalysts in continuous polyethylene terephthalate productionWELLMAN INC·Filed 1996·Granted Apr 27, 1999·239 cites·13 claims
- 0297US6803082B2Methods for the late introduction of additives into polyethylene terephthalateWELLMAN INC·Filed 2003·Granted Oct 12, 2004·66 cites·38 claims
- 0397US6590069B2Methods of post-polymerization extruder injection in condensation polymer productionWELLMAN INC·Filed 2001·Granted Jul 8, 2003·86 cites·75 claims
- 0497US6569991B2Methods of post-polymerization extruder injection in polyethylene terephthalate productionWELLMAN INC·Filed 2001·Granted May 27, 2003·84 cites·58 claims
- 0597US5876644AFood quality polyester recyclingWELLMAN INC·Filed 1996·Granted Mar 2, 1999·101 cites·26 claims
- 0696US6599596B2Methods of post-polymerization injection in continuous polyethylene terephthalate productionWELLMAN INC·Filed 2000·Granted Jul 29, 2003·66 cites·63 claims
- 0796US6573359B2Methods of post-polymerization injection in condensation polymer productionWELLMAN INC·Filed 2001·Granted Jun 3, 2003·65 cites·88 claims
- 0896US5008230ACatalyst for preparing high clarity, colorless polyethylene terephthalateHOECHST CELANESE CORP·Filed 1989·Granted Apr 16, 1991·80 cites·11 claims
- 0995US6710158B2Methods for making polyester bottle resins having reduced frictional propertiesWELLMAN INC·Filed 2002·Granted Mar 23, 2004·76 cites·52 claims
- 1093US7129317B2Slow-crystallizing polyester resinsWELLMAN INC·Filed 2004·Granted Oct 31, 2006·44 cites·104 claims
- 1190US7094863B2Polyester preforms useful for enhanced heat-set bottlesWELLMAN INC·Filed 2004·Granted Aug 22, 2006·37 cites·68 claims
- 1285US7829656B2Solid phase polymerization catalyst systemWELLMAN INC·Filed 2009·Granted Nov 9, 2010·6 cites·29 claims
- 1385US5166311ACatalyst system and process for preparing high clarity, colorless polyethylene terephthalateHOECHST CELANESE CORP·Filed 1991·Granted Nov 24, 1992·35 cites·22 claims
- 1484US8304510B2Polyester resins for high-strength articlesTHOMPSON DAVID EUGENE·Filed 2010·Granted Nov 6, 2012·3 cites·25 claims
- 1583US8524343B2Polyester resins for high-efficiency injection moldingTHOMPSON DAVID EUGENE·Filed 2011·Granted Sep 3, 2013·3 cites·43 claims
- 1681US7763701B2Composite solid phase polymerization catalystWELLMAN INC·Filed 2009·Granted Jul 27, 2010·4 cites·31 claims
- 1781US6623853B2Polyethylene glycol modified polyester fibers and method for making the sameWELLMAN INC·Filed 2001·Granted Sep 23, 2003·28 cites·133 claims
- 1876US6509091B2Polyethylene glycol modified polyester fibersWELLMAN INC·Filed 2001·Granted Jan 21, 2003·15 cites·38 claims
- 1976US4975233AMethod of producing an enhanced polyester copolymer fiberHOECHST CELANESE CORP·Filed 1988·Granted Dec 4, 1990·22 cites·9 claims
- 2075US6485829B2Polyester modified with polyethylene glycol and pentaerythritolWELLMAN INC·Filed 2001·Granted Nov 26, 2002·9 cites·20 claims
- 2165US7858731B2Polyester resins and polyester containers having reduced frictional propertiesWELLMAN INC·Filed 2008·Granted Dec 28, 2010·0 cites·37 claims
- 2265US2009176046A1Polyester Resins for High-Strength ArticlesWELLMAN INC·Filed 2008·Application pending·0 cites
- 2363US5091504AEnhanced polyester copolymer fiberHOECHST CELANESE CORP·Filed 1990·Granted Feb 25, 1992·16 cites·22 claims
- 2460US6294254B1Polyester modified with polyethylene glycol and pentaerythritolWELLMAN INC·Filed 1998·Granted Sep 25, 2001·11 cites·16 claims
- 2560US2007142537A1Methods for Making Polyester Resins Having Reduced Frictional PropertiesEDWARDS WALTER L·Filed 2007·Application pending·0 cites
- 2653US7759449B2Methods for introducing additives into polyethylene terephthalateWELLMAN INC·Filed 2004·Granted Jul 20, 2010·3 cites·42 claims
- 2753US2010221472A1Polyester Resins for High-Strength ArticlesWELLMAN INC·Filed 2009·Application pending·0 cites
- 2851US8791225B2Titanium-nitride catalyzed polyesterNICHOLS CARL STEVEN·Filed 2009·Granted Jul 29, 2014·0 cites·7 claims
- 2948US2008009574A1Polyamide-Polyester Polymer Blends and Methods of Making the SameWELLMAN INC·Filed 2007·Application pending·0 cites
- 3048US2008274317A1Polyester Resins for High-Efficiency Injection MoldingWELLMAN INC·Filed 2008·Application pending·0 cites
- 3145US2002033560A1Thermoplastic polymers with improved infrared reheat propertiesFiled 2001·Application pending·0 cites
- 3245US2002027314A1Thermoplastic polymers with improved infrared reheat propertiesFiled 2001·Application pending·0 cites
- 3345US2002011694A1Thermoplastic polymers with improved infrared reheat propertiesFiled 2001·Application pending·0 cites
- 3443US5246589ARepaired filtration elements for polymer manufactureWELLMAN INC·Filed 1993·Granted Sep 21, 1993·10 cites·17 claims
- 3543US2007059465A1Polyester Resins for High-Strength ArticlesTHOMPSON DAVID E·Filed 2006·Application pending·0 cites
- 3641US2005261462A1Methods of making titanium-catalyzed polyester resinsNICHOLS CARL S·Filed 2004·Application pending·0 cites
- 3740US4882081ACompositions of water-dispersed carboxyl-containing liquid polymersGOODRICH CO B F·Filed 1987·Granted Nov 21, 1989·5 cites·8 claims
- 3839US6221488B1Modified polyester with high intrinsic viscosity at moderate strengthWELLMAN INC·Filed 2000·Granted Apr 24, 2001·0 cites·23 claims
- 3939US5665784ARecovery of polyester from spent filmWELLMAN INC·Filed 1995·Granted Sep 9, 1997·4 cites·3 claims
- 4038US4988461ACompositions of water-dispersed amine-containing polymersGOODRICH CO B F·Filed 1990·Granted Jan 29, 1991·5 cites·6 claims
- 4137US5523329ARecovery of polyester from spent filmWELLMAN INC·Filed 1992·Granted Jun 4, 1996·3 cites·17 claims
- 4230US6110587AModified polyester with high intrinsic viscosity at moderate strengthWELLMAN INC·Filed 1997·Granted Aug 29, 2000·1 cites·24 claims
- 4330US5217659ARepair of filtration elements for polymer manufactureWELLMAN INC·Filed 1991·Granted Jun 8, 1993·0 cites·16 claims
- 4430US5089165ACompositions of water-dispersed diprimary amine terminated polymersGOODRICH CO B F·Filed 1990·Granted Feb 18, 1992·0 cites·6 claims
- 4529US6031065APolyester copolymers from naphthalate and related estersWELLMAN INC·Filed 1998·Granted Feb 29, 2000·2 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →