Inventor
CHANG AI-FU
US20 patents
⚠️ This page may combine multiple inventors who share the name “CHANG AI-FU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON PHILLIPS CHEMICAL CO LP
11 patentsUS9598514B2Mar 21, 2017
Component separations in polymerization
CHEVRON PHILLIPS CHEMICAL CO LP16 citations92
US9732016B2Aug 15, 2017
Separations with ionic liquid solvents
CHEVRON PHILLIPS CHEMICAL CO LP5 citations84
US11578145B2Feb 14, 2023
System and method for rapid dump tank heating
CHEVRON PHILLIPS CHEMICAL CO LP2 citations73
US11021549B2Jun 1, 2021
System and method for rapid dump tank heating
CHEVRON PHILLIPS CHEMICAL CO LP3 citations73
US10227274B2Mar 12, 2019
Separations with ionic liquid solvents
CHEVRON PHILLIPS CHEMICAL CO LP4 citations72
US9790298B2Oct 17, 2017
Component separations in polymerization
CHEVRON PHILLIPS CHEMICAL CO LP1 citations63
US9580370B2Feb 28, 2017
Ethylene recovery by absorption
CHEVRON PHILLIPS CHEMICAL CO LP1 citations63
US9399608B2Jul 26, 2016
Ethylene recovery by absorption
CHEVRON PHILLIPS CHEMICAL CO LP1 citations63
US10131596B2Nov 20, 2018
Separations with ionic liquid solvents
CHEVRON PHILLIPS CHEMICAL CO LP0 citations52
US9427694B2Aug 30, 2016
Hydrocarbon recovery with pressure swing adsorption
CHEVRON PHILLIPS CHEMICAL CO LP0 citations52
US12583946B2Mar 24, 2026
Systems and techniques for heating polymer reactor flashlines
CHEVRON PHILLIPS CHEMICAL CO LP0 citations43
CHEVRON PHILLIPS CHEMICAL CO
7 patentsUS9238193B2Jan 19, 2016
Separations with ionic liquid solvents
CHEVRON PHILLIPS CHEMICAL CO16 citations92
US9126878B1Sep 8, 2015
Ethylene separation with temperature swing adsorption
CHEVRON PHILLIPS CHEMICAL CO16 citations84
US9108891B1Aug 18, 2015
Ethylene separation with pressure swing adsorption
CHEVRON PHILLIPS CHEMICAL CO12 citations84
US9227890B1Jan 5, 2016
Hydrocarbon recovery with pressure swing adsorption
CHEVRON PHILLIPS CHEMICAL CO3 citations73
US9284430B2Mar 15, 2016
Component separations in polymerization
CHEVRON PHILLIPS CHEMICAL CO2 citations63
US9187383B2Nov 17, 2015
Component separations in polymerization
CHEVRON PHILLIPS CHEMICAL CO3 citations63
US9339755B2May 17, 2016
Ethylene separation with temperature swing adsorption
CHEVRON PHILLIPS CHEMICAL CO2 citations62