Inventor
GU ZHIHUI
US18 patents
⚠️ This page may combine multiple inventors who share the name “GU ZHIHUI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON PHILLIPS CHEMICAL CO LP
11 patentsUS11912809B2Feb 27, 2024
High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP5 citations85
US12146018B2Nov 19, 2024
High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP1 citations72
US11584806B2Feb 21, 2023
Methods for chromium catalyst activation using oxygen-enriched fluidization gas
CHEVRON PHILLIPS CHEMICAL CO LP2 citations70
US12516137B2Jan 6, 2026
High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP0 citations62
US12319770B2Jun 3, 2025
High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization
CHEVRON PHILLIPS CHEMICAL CO LP0 citations62
US12037421B2Jul 16, 2024
Processes for preparing metallocene-based catalyst systems with an alcohol compound
CHEVRON PHILLIPS CHEMICAL CO LP0 citations61
US11753488B1Sep 12, 2023
Processes for preparing metallocene-based catalyst systems with an alcohol compound
CHEVRON PHILLIPS CHEMICAL CO LP0 citations61
US12403454B2Sep 2, 2025
Methods of chromium catalyst activation to reduce gels and improve melt index potential
CHEVRON PHILLIPS CHEMICAL CO LP1 citations60
US12502656B2Dec 23, 2025
Methods of chromium catalyst activation to reduce gels and improve melt index potential
CHEVRON PHILLIPS CHEMICAL CO LP0 citations59
US12297310B2May 13, 2025
Methods for chromium catalyst activation using oxygen-enriched fluidization gas
CHEVRON PHILLIPS CHEMICAL CO LP0 citations59
US12421331B2Sep 23, 2025
Systems and methods for chromium catalyst activation
CHEVRON PHILLIPS CHEMICAL CO LP0 citations54