Inventor

PRESNALL STEWART H

US3 patents

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

LYONDELL PETROCHEM

2 patents

US5207894AMay 4, 1993

Removal of aromatic color bodies from aromatic hydrocarbon streams

LYONDELL PETROCHEM14 citations67

US5081325AJan 14, 1992

Purification of unsaturated hydrocarbon streams containing styrenics

LYONDELL PETROCHEM15 citations67

PHILLIPS PETROLEUM CO

1 patent

US4868336ASep 19, 1989

Manufacture of disulfides

PHILLIPS PETROLEUM CO10 citations68