Inventor · disambiguated record
Joyce K. Nelson
Also filed as: NELSON JOYCE K · NELSON JOYCE KATZ
25 granted patents·3 pending applications·893 citations·filing 1987–2019
97Inventor score
Files withPRAXAIR TECHNOLOGY INC13UNION CARBIDE IND GASES TECH7UNION CARBIDE CORP4AIR LIQUIDE ADVANCED TECH US LLC2AIR LIQUIDE1
Top patents by PatentIndex Score
28 records- 0191US6290756B1Hollow fiber membrane tubesheets of variable epoxy composition and hardnessPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Sep 18, 2001·97 cites·20 claims
- 0291US4990165APermeable membranes for enhanced gas separationUNION CARBIDE IND GASES TECH·Filed 1989·Granted Feb 5, 1991·71 cites·15 claims
- 0388US5071448ASemipermeable membranes based on certain sulfonated substituted polysulfone polymersUNION CARBIDE IND GASES TECH·Filed 1990·Granted Dec 10, 1991·50 cites·39 claims
- 0486US5181940AHollow fiber membranesUNION CARBIDE IND GASES TECH·Filed 1991·Granted Jan 26, 1993·63 cites·51 claims
- 0586US5067971AProcess for dehydration of gases and composite permeable membranes thereforUNION CARBIDE IND GASES TECH·Filed 1990·Granted Nov 26, 1991·63 cites·56 claims
- 0685US6790263B1Polymide gas separation membranesPRAXAIR TECHNOLOGY INC·Filed 2000·Granted Sep 14, 2004·33 cites·29 claims
- 0785US6540813B2Method of preparing composite gas separation membranes from perfluoropolymersPRAXAIR TECHNOLOGY INC·Filed 2001·Granted Apr 1, 2003·33 cites·47 claims
- 0884US4881954APermeable membranes for enhanced gas separationUNION CARBIDE CORP·Filed 1987·Granted Nov 21, 1989·52 cites·23 claims
- 0982US6723152B2Gas separation using membranes formed from blends of perfluorinated polymersPRAXAIR TECHNOLOGY INC·Filed 2002·Granted Apr 20, 2004·37 cites·36 claims
- 1082US4826599AComposite membranes and their manufacture and useUNION CARBIDE CORP·Filed 1987·Granted May 2, 1989·48 cites·33 claims
- 1180US4822382AComposite membranes, their manufacture and their useUNION CARBIDE CORP·Filed 1987·Granted Apr 18, 1989·25 cites·48 claims
- 1277US5348569AModified poly(phenylene oxide) based membranes for enhanced fluid separationPRAXAIR TECHNOLOGY INC·Filed 1993·Granted Sep 20, 1994·44 cites·30 claims
- 1376US6497747B1Production and use of improved polyimide separation membranesPRAXAIR TECHNOLOGY INC·Filed 1999·Granted Dec 24, 2002·40 cites·31 claims
- 1470US4840819AMethod for preparing composite membranes for enhanced gas separationUNION CARBIDE CORP·Filed 1987·Granted Jun 20, 1989·32 cites·18 claims
- 1569US6716270B2Polyimide amic acid salts and polyimide membranes formed therefromPRAXAIR TECHNOLOGY INC·Filed 2003·Granted Apr 6, 2004·14 cites·24 claims
- 1669US5356459AProduction and use of improved composite fluid separation membranesPRAXAIR TECHNOLOGY INC·Filed 1993·Granted Oct 18, 1994·31 cites·20 claims
- 1767US5443728AMethod of preparing membranes from blends of polyetherimide and polyimide polymersPRAXAIR TECHNOLOGY INC·Filed 1994·Granted Aug 22, 1995·27 cites·19 claims
- 1867US5364454AFluid separation composite membranes prepared from sulfonated aromatic polymers in lithium salt formPRAXAIR TECHNOLOGY INC·Filed 1993·Granted Nov 15, 1994·29 cites·14 claims
- 1966US6923846B2Method of preparing composite gas separation membranes from perfluoropolymersAIR LIQUIDE·Filed 2003·Granted Aug 2, 2005·10 cites·18 claims
- 2066US4919865AComposite membranes of poly (methyl methacrylate) blends, their manufacture and their useUNION CARBIDE IND GASES TECH·Filed 1987·Granted Apr 24, 1990·26 cites·60 claims
- 2164US5131927AReactive treatment of composite gas separation membranesUNION CARBIDE IND GASES TECH·Filed 1991·Granted Jul 21, 1992·26 cites·32 claims
- 2256US5733657AMethod of preparing membranes from blends of polymersPRAXAIR TECHNOLOGY INC·Filed 1994·Granted Mar 31, 1998·14 cites·14 claims
- 2355US5009678AProcess for recovery of ammonia from an ammonia-containing gas mixtureUNION CARBIDE IND GASES TECH·Filed 1989·Granted Apr 23, 1991·18 cites·24 claims
- 2451US2020197834A1Composite hollow fiber membranes for jet fuel de-oxygenationAIR LIQUIDE ADVANCED TECH US LLC·Filed 2019·Application pending·0 cites
- 2551US2020197835A1Composite hollow fiber membranes for jet fuel de-oxygenationAIR LIQUIDE ADVANCED TECH US LLC·Filed 2019·Application pending·0 cites
- 2640US2004000231A1Composite gas separation membranes from perfluoropolymersFiled 2002·Application pending·0 cites
- 2739US5891572AMethod of preparing membranes from blends of polymersPRAXAIR TECHNOLOGY INC·Filed 1996·Granted Apr 6, 1999·6 cites·20 claims
- 2835US5910274AMethod of preparing membranes from blends of polymersPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Jun 8, 1999·4 cites·8 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →