L-zeolite-based hydrocarbon conversion catalysts
La/nd-spinel compositions for metals passivation in fcc...
Laminar heavy metal aluminosillcates
Large pore catalysts for heavy hydrocarbon conversion
Layered catalyst system for lube oil hydroconversion
Layered clay minerals and processes for using
Layered clay minerals, catalysts, and processes for using
Layered complex metal silicate composition, their...
Layered residua treatment catalyst process and temperature...
Leach recovery of oil from oil sands and like host materials
Life of a catalyst used to process hydrocarbon containing...
Light ends recovery in fluid hydroforming
Light ends recovery process for a gtl plant
Light hydrocarbon deasphalting of crude residue
Light oil control in desulfurization of asphaltic oil
Lignin phenol/lignin/amine surfactant system
Liquefaction of calcium-containing sub-bituminous coals and...
Liquefaction of calcium-containing subbituminous coals and...
Liquefaction of carbonaceous material with hydrogen and...
Liquefaction of carbonous material with vapor phase hydrogen...