P

Inventor

WIFE RICHARD L

NL21 patents
⚠️ This page may combine multiple inventors who share the name “WIFE RICHARD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHELL OIL CO

20 patents
US4843144AJun 27, 1989

Polymerization of carbon monoxide/olefin with P ligand having polar aryl group

SHELL OIL CO116 citations96
US4778876AOct 18, 1988

Vapor phase process for polymerizing carbon monoxide and olefins

SHELL OIL CO26 citations90
US4970294ANov 13, 1990

α-olefin/carbon monoxide copolymers and catalyst and process for making

SHELL OIL CO15 citations74
US4859764AAug 22, 1989

Copolymerization of carbon monoxide and olefin with nitrogen containing phosphine ligand catalyst

SHELL OIL CO15 citations74
US4820802AApr 11, 1989

Improved process of preparing carbon monoxide/olefin copolymer with ortho substituted phosphine catalyst composition.

SHELL OIL CO7 citations74
US4806630AFeb 21, 1989

Catalytic polymerization of carbon monoxide and olefin, with organo nitro or organo nitrite compound additive

SHELL OIL CO16 citations74
US4960747AOct 2, 1990

Catalyst composition containing diphosphines having heterocyclic substituents

SHELL OIL CO9 citations73
US4855399AAug 8, 1989

Carbon monoxide/olefin co-polymerization process with phosphino substituted sulfonic acid catalyst

SHELL OIL CO11 citations72
US4877860AOct 31, 1989

Catalytic copolymerization of carbon monoxide/olefin with ketone/alcohol diluent

SHELL OIL CO7 citations65
US4925917AMay 15, 1990

Polymerization of olefin/carbon monoxide with catalyst composition comprising halogen dicarboxylic acid

SHELL OIL CO5 citations63
US4843145AJun 27, 1989

Catalytic polymerization of CO/olefin with ortho polar substituted aryl bidentate p ligand

SHELL OIL CO2 citations63
US4994592AFeb 19, 1991

Polymerization process

SHELL OIL CO3 citations62
US4935396AJun 19, 1990

Polymerization process

SHELL OIL CO3 citations62
US4880902ANov 14, 1989

Copolymerization of carbon monoxide and olefin with diphosphine having heterocyclic substituents as catalyst

SHELL OIL CO4 citations62
US4880900ANov 14, 1989

Carbon monoxide/olefin polymerization process with bis (diaryl phosphino) 2-silapropane containing catalyst

SHELL OIL CO4 citations62
US4565892AJan 21, 1986

Process for the preparation of bisphosphine dioxides

SHELL OIL CO2 citations61
US4720589AJan 19, 1988

Bis-phosphineoxide compounds

SHELL OIL CO1 citations60
US4683338AJul 28, 1987

Process for the preparation of bis-phosphineoxide compounds

SHELL OIL CO2 citations60
US5118854AJun 2, 1992

Preparation of ortho substituted diphenylphosphides

SHELL OIL CO0 citations51
US4940683AJul 10, 1990

Polymerization process

SHELL OIL CO1 citations51

SYVA CO

1 patent