Inventor
WONG PUI K
US44 patents
Patents
44 patentsUS5189070AFeb 23, 1993
Process for preparing low density porous crosslinked polymeric materials
SHELL OIL CO108 citations95
US5185407AFeb 9, 1993
Polymeric phenolic esters
SHELL OIL CO43 citations92
US5055552AOct 8, 1991
Polymerization of co/olefin with phosphorus bidentate ligand-solid support reaction product
SHELL OIL CO23 citations92
US4708994ANov 24, 1987
Engineering thermoplastics containing pendant benzocyclobutene groups
SHELL OIL CO33 citations92
US4698394AOct 6, 1987
Reactive styrene polymers
SHELL OIL CO42 citations92
US4622375ANov 11, 1986
Amorphous ethylene/propylene polymers
SHELL OIL CO30 citations92
US5340842AAug 23, 1994
Low density porous crosslinked polymeric materials
SHELL OIL CO31 citations89
US5306733AApr 26, 1994
Low density porous crosslinked polymeric materials
SHELL OIL CO37 citations89
US5015695AMay 14, 1991
Functionalized elastomeric polymer production
SHELL OIL CO21 citations82
US4766180AAug 23, 1988
Crosslinked elastomers containing benzocyclobutene derivatives as crosslinking agents
SHELL OIL CO21 citations82
US4667005AMay 19, 1987
Crystalline alphamonoolefin copolymers
SHELL OIL CO19 citations82
US4667004AMay 19, 1987
Olefinic benzocyclobutene polymers
SHELL OIL CO23 citations82
US5157105AOct 20, 1992
Bisbenzocyclobutene/bisimide/dicyanate ester composition
SHELL OIL CO8 citations74
US5102844AApr 7, 1992
Polymerization process
SHELL OIL CO6 citations74
US5057599AOct 15, 1991
Polymerization of carbon monoxide/olefin with aromatic tetradentate phosphorus ligand
SHELL OIL CO8 citations74
US4994548AFeb 19, 1991
Modified bisphenol resins having at least one arylcyclo-butanenealkyl moiety
SHELL OIL CO7 citations74
US4988770AJan 29, 1991
Functionalized elastomeric polymer production
SHELL OIL CO14 citations74
US4968754ANov 6, 1990
Functionalized block copolymers
SHELL OIL CO17 citations74
US4940758AJul 10, 1990
Polyalcohol
SHELL OIL CO9 citations74
US4868254ASep 19, 1989
Catalytic reduction of carbon monoxide/olefin copolymer to polyalcohol
SHELL OIL CO12 citations74
US4826932AMay 2, 1989
Dioxolane containing polymer
SHELL OIL CO11 citations74
US4722974AFeb 2, 1988
Novel block copolymers containing benzocyclobutene units
SHELL OIL CO7 citations74
US4708990ANov 24, 1987
Anionic polymerization process
SHELL OIL CO18 citations74
US4687815AAug 18, 1987
Hydrogenated block copolymers
SHELL OIL CO12 citations74
US5349046ASep 20, 1994
Polymerization of β-lactones under rim conditions
SHELL OIL CO9 citations73
US5010170AApr 23, 1991
Polymerization of carbon monoxide/olefin with at least one tetra aryl diphosphine ligand
SHELL OIL CO7 citations72
US5169928ADec 8, 1992
Preparation of regio-regular copolymer of CO/olefin of at least three carbon atoms in the presence of tetraalkyl diphosphine
SHELL OIL CO6 citations71
US5210311AMay 11, 1993
Aromatic tetradentate phosphine
SHELL OIL CO3 citations63
US5070184ADec 3, 1991
Treatment of carbon monoxide/olefin copolymer with solvent
SHELL OIL CO3 citations63
US5041600AAug 20, 1991
Bisphenol ethers
SHELL OIL CO5 citations63
US5019645AMay 28, 1991
Process of reducing stereoregular character of carbon monoxide/olefin copolymer with organic base
SHELL OIL CO5 citations63
US4940774AJul 10, 1990
Carbon monoxide/olefin polymerization with diluent comprising aprotic solvent and water
SHELL OIL CO5 citations63
US4925917AMay 15, 1990
Polymerization of olefin/carbon monoxide with catalyst composition comprising halogen dicarboxylic acid
SHELL OIL CO5 citations63
US4405772ASep 20, 1983
Butene-1/4-vinylcyclohexene copolymer
SHELL OIL CO3 citations63
US5091507AFeb 25, 1992
Polymerization of carbon monoxide/olefin with polyalkoxyalkane
SHELL OIL CO5 citations62
US5066777ANov 19, 1991
Polymerization of co/olefin with diphosphine/hydrocarbyl palladium salt complex catalyst
SHELL OIL CO2 citations62
US5066778ANov 19, 1991
Carbon monoxide/cyclopenten copolymer and preparation with aromatic dinitro compound
SHELL OIL CO2 citations61
US5041530AAug 20, 1991
Linear copolymer of co/olefin having spiro ketal units
SHELL OIL CO6 citations60
US5237012AAug 17, 1993
Polymeric phenolic esters
SHELL OIL CO1 citations52
US5225386AJul 6, 1993
Polymerization of carbon monoxide/olefin with polyalkoxyalkane
SHELL OIL CO1 citations52
US5115079AMay 19, 1992
Cured bisphenol ether products
SHELL OIL CO1 citations52
US5047501ASep 10, 1991
Pyridine derivatives
SHELL OIL CO1 citations52
US5021528AJun 4, 1991
Crosslinked bisphenol containing arylcyclobutene alkyl ethers and cured compositions therefrom
SHELL OIL CO0 citations52
US5116797AMay 26, 1992
Polymerization process
SHELL OIL CO1 citations51