Inventor
MCELVAIN ROBERT R
US20 patents
⚠️ This page may combine multiple inventors who share the name “MCELVAIN ROBERT R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON PHILLIPS CHEMICAL CO
8 patentsUS8569433B2Oct 29, 2013
Energy efficient polyolefin process
CHEVRON PHILLIPS CHEMICAL CO10 citations92
US8017701B2Sep 13, 2011
Energy efficient polyolefin process
CHEVRON PHILLIPS CHEMICAL CO22 citations92
US7517947B2Apr 14, 2009
Polymer transfer within a polymerization system
CHEVRON PHILLIPS CHEMICAL CO19 citations92
US7109290B2Sep 19, 2006
Polymer transfer within a polymerization system
CHEVRON PHILLIPS CHEMICAL CO30 citations89
US9221920B2Dec 29, 2015
Energy efficient polyolefin process
CHEVRON PHILLIPS CHEMICAL CO4 citations84
US7547750B2Jun 16, 2009
Apparatus and method for removing polymer solids from slurry loop reactor
CHEVRON PHILLIPS CHEMICAL CO10 citations84
US8765884B2Jul 1, 2014
Energy efficient polyolefin process
CHEVRON PHILLIPS CHEMICAL CO3 citations73
US9289748B1Mar 22, 2016
Treater regeneration
CHEVRON PHILLIPS CHEMICAL CO2 citations59
CHEVRON PHILLIPS CHEMICAL CO LP
8 patentsUS9610558B2Apr 4, 2017
Energy efficient polyolefin process
CHEVRON PHILLIPS CHEMICAL CO LP5 citations84
US11623176B2Apr 11, 2023
Nitrogen conservation in polymerization processes
CHEVRON PHILLIPS CHEMICAL CO LP4 citations73
US10792609B2Oct 6, 2020
Nitrogen conservation in polymerization processes
CHEVRON PHILLIPS CHEMICAL CO LP5 citations72
US10611863B2Apr 7, 2020
Polymerization catalyst delivery
CHEVRON PHILLIPS CHEMICAL CO LP5 citations71
US10179826B2Jan 15, 2019
Polymerization catalyst delivery
CHEVRON PHILLIPS CHEMICAL CO LP2 citations71
US9687815B2Jun 27, 2017
Treater regeneration
CHEVRON PHILLIPS CHEMICAL CO LP2 citations69
US11969725B2Apr 30, 2024
Reactor jacket design
CHEVRON PHILLIPS CHEMICAL CO LP0 citations58
US11478768B2Oct 25, 2022
Reactor jacket design
CHEVRON PHILLIPS CHEMICAL CO LP0 citations57