Inventor

SCHWERDTFEGER ERIC D

US79 patents

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

SCHWERDTFEGER ERIC D

CHEVRON PHILLIPS CHEMICAL CO LP

Methods of preparing a catalyst utilizing hydrated reagents

Methods of preparing a catalyst

Methods of preparing a catalyst utilizing hydrated reagents

Methods of preparing a catalyst

Methods of preparing a catalyst

Methods of preparing a catalyst

Methods of preparing a catalyst

Long chain branched polymers and methods of making same

Particle size control of metallocene catalyst systems in loop slurry polymerization reactors

Particle size control of metallocene catalyst systems in loop slurry polymerization reactors

Methods of preparing a catalyst utilizing hydrated reagents

Methods of preparing a catalyst utilizing hydrated reagents

Methods of preparing a catalyst utilizing hydrated reagents

Long chain branched polymers and methods of making same

Long chain branched polymers and methods of making same

Methods of preparing a catalyst

Methods of preparing a catalyst utilizing hydrated reagents

Methods for making fluorided chromium (VI) catalysts, and polymerization processes using the same

Methods of preparing a catalyst

Particle size control of metallocene catalyst systems in loop slurry polymerization reactors

Particle size control of metallocene catalyst systems in loop slurry polymerization reactors

Methods of preparing a catalyst with low HRVOC emissions

Particle size control of supported chromium catalysts in loop slurry polymerization reactors

High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization

Methods of preparing a catalyst utilizing hydrated reagents

Particle size control of metallocene catalyst systems in loop slurry polymerization reactors

Methods of preparing a catalyst with low HRVOC emissions

Methods of preparing a catalyst utilizing hydrated reagents

Methods of preparing a catalyst utilizing hydrated reagents

Methods of preparing a catalyst utilizing hydrated reagents

Aqueous methods for titanating a chromium/silica catalyst

Modifications of sulfated bentonites and uses thereof in metallocene catalyst systems for olefin polymerization

Polymer composition and methods of making and using same

Methods of preparing a catalyst utilizing hydrated reagents

Methods of preparing a catalyst utilizing hydrated reagents

Methods of preparing a catalyst

Particle size control of supported chromium catalysts in loop slurry polymerization reactors

Methods of preparing a catalyst

Methods of preparing a catalyst utilizing hydrated reagents

Aqueous methods for titanating a chromium/silica catalyst

Methods of preparing a catalyst

Methods of preparing a catalyst

Light treatment of chromium catalysts and related catalyst preparation systems and polymerization processes

Methods of preparing a catalyst utilizing hydrated reagents

Methods of preparing a catalyst utilizing hydrated reagents

System and method for monitoring and controlling a polymerization system

Use of turbidimeter for measurement of solid catalyst system component in a reactor feed

Use of turbidimeter for measurement of solid catalyst system component in a reactor feed

YU YOULU

Long chain branched polymers and methods of making same

CHEVRON PHILLIPS CHEMICAL CO

Polymerization catalysts and polymers