P

Inventor

PARROTT STEPHEN L

US23 patents
⚠️ This page may combine multiple inventors who share the name “PARROTT STEPHEN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PHILLIPS PETROLEUM CO

22 patents
US4762814AAug 9, 1988

Hydrotreating catalyst and process for its preparation

PHILLIPS PETROLEUM CO70 citations96
US4588706AMay 13, 1986

Phosphorus containing hydrofining catalysts

PHILLIPS PETROLEUM CO57 citations96
US4734186AMar 29, 1988

Hydrofining process

PHILLIPS PETROLEUM CO45 citations92
US4724069AFeb 9, 1988

Hydrofining process for hydrocarbon containing feed streams

PHILLIPS PETROLEUM CO42 citations92
US4707246ANov 17, 1987

Hydrotreating catalyst and process

PHILLIPS PETROLEUM CO45 citations92
US4687757AAug 18, 1987

Hydrofining catalyst composition and process for its preparation

PHILLIPS PETROLEUM CO48 citations92
US4619759AOct 28, 1986

Two-stage hydrotreating of a mixture of resid and light cycle oil

PHILLIPS PETROLEUM CO49 citations92
US4724227AFeb 9, 1988

Process for preparing a catalyst for the hydrofining of oil and catalyst prepared by the process

PHILLIPS PETROLEUM CO13 citations74
US4720472AJan 19, 1988

Hydrocracking catalyst for middle distillates

PHILLIPS PETROLEUM CO9 citations74
US4687568AAug 18, 1987

Catalytic hydrofining of oil

PHILLIPS PETROLEUM CO17 citations74
US4681869AJul 21, 1987

Catalyst for hydrofining of oil and process for preparing the catalyst

PHILLIPS PETROLEUM CO9 citations74
US4652361AMar 24, 1987

Catalytic hydrofining of oil

PHILLIPS PETROLEUM CO14 citations74
US4636487AJan 13, 1987

Process for the preparation of promoted catalysts

PHILLIPS PETROLEUM CO17 citations74
US4728417AMar 1, 1988

Hydrofining process for hydrocarbon containing feed streams

PHILLIPS PETROLEUM CO8 citations73
US4585751AApr 29, 1986

Hydrotreating catalysts

PHILLIPS PETROLEUM CO18 citations73
US5341313AAug 23, 1994

Catalyst life prediction in hydrodesulfurization

PHILLIPS PETROLEUM CO19 citations68
US4648963AMar 10, 1987

Hydrofining process employing a phosphorus containing catalyst

PHILLIPS PETROLEUM CO17 citations67
US4798666AJan 17, 1989

Hydrocracking catalyst for middle distillates

PHILLIPS PETROLEUM CO2 citations63
US4447555AMay 8, 1984

Hydrocracking catalysts

PHILLIPS PETROLEUM CO2 citations63
US4775652AOct 4, 1988

Hydrofining composition

PHILLIPS PETROLEUM CO5 citations62
US4596654AJun 24, 1986

Hydrofining catalysts

PHILLIPS PETROLEUM CO6 citations62
US4565800AJan 21, 1986

Hydrofining catalysts

PHILLIPS PETROLEUM CO5 citations62

PARROTT STEPHEN L

1 patent