P

Inventor

NELSON JOYCE K

US15 patents
⚠️ This page may combine multiple inventors who share the name “NELSON JOYCE K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

UNION CARBIDE IND GASES TECH

7 patents
US5067971ANov 26, 1991

Process for dehydration of gases and composite permeable membranes therefor

UNION CARBIDE IND GASES TECH63 citations96
US4990165AFeb 5, 1991

Permeable membranes for enhanced gas separation

UNION CARBIDE IND GASES TECH71 citations96
US5181940AJan 26, 1993

Hollow fiber membranes

UNION CARBIDE IND GASES TECH63 citations94
US5131927AJul 21, 1992

Reactive treatment of composite gas separation membranes

UNION CARBIDE IND GASES TECH26 citations92
US4919865AApr 24, 1990

Composite membranes of poly (methyl methacrylate) blends, their manufacture and their use

UNION CARBIDE IND GASES TECH26 citations92
US5071448ADec 10, 1991

Semipermeable membranes based on certain sulfonated substituted polysulfone polymers

UNION CARBIDE IND GASES TECH50 citations91
US5009678AApr 23, 1991

Process for recovery of ammonia from an ammonia-containing gas mixture

UNION CARBIDE IND GASES TECH18 citations69

PRAXAIR TECHNOLOGY INC

4 patents
US5364454ANov 15, 1994

Fluid separation composite membranes prepared from sulfonated aromatic polymers in lithium salt form

PRAXAIR TECHNOLOGY INC29 citations92
US5356459AOct 18, 1994

Production and use of improved composite fluid separation membranes

PRAXAIR TECHNOLOGY INC31 citations92
US5443728AAug 22, 1995

Method of preparing membranes from blends of polyetherimide and polyimide polymers

PRAXAIR TECHNOLOGY INC27 citations91
US5348569ASep 20, 1994

Modified poly(phenylene oxide) based membranes for enhanced fluid separation

PRAXAIR TECHNOLOGY INC44 citations90

UNION CARBIDE CORP

4 patents
US4881954ANov 21, 1989

Permeable membranes for enhanced gas separation

UNION CARBIDE CORP52 citations92
US4826599AMay 2, 1989

Composite membranes and their manufacture and use

UNION CARBIDE CORP48 citations92
US4822382AApr 18, 1989

Composite membranes, their manufacture and their use

UNION CARBIDE CORP25 citations92
US4840819AJun 20, 1989

Method for preparing composite membranes for enhanced gas separation

UNION CARBIDE CORP32 citations90