Inventor

HEIN JAMES E

US22 patents

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

HEIN JAMES E

CHEVRON PHILLIPS CHEMICAL CO LP

Energy efficient polyolefin process

Catalyst slurry mixing process and system

System and method for rapid dump tank heating

System and method for rapid dump tank heating

Methods for chromium catalyst activation using oxygen-enriched fluidization gas

System and method for improving dump tank purge time

Catalyst slurry mixing process and system

Catalyst pretreatment and feeding system for polypropylene production

Catalyst pretreatment and feeding system for polypropylene production

Methods for chromium catalyst activation using oxygen-enriched fluidization gas

Loop slurry reactor cooling processes and systems

CHEVRON PHILLIPS CHEMICAL CO

Energy efficient polyolefin process

Energy efficient polyolefin process

Continuous withdrawal from high solids slurry polymerization

Energy efficient polyolefin process

System and method for deinventory of polymerization reactor

Large catalyst activator

Temperature controlling system for olefin polymerization reactors

Energy efficient polyolefin process

MCELVAIN ROBERT R

Energy efficient polyolefin process

Energy efficient polyolefin process

PHILLIPS PETROLEUM CO

Process and apparatus for recovering diluent, monomer, and comonomer from a polymerization reactor effluent