Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for improving quality of pyrolysis oil from oil shales and tar sands

Process for improving quality of pyrolysis oil from oil shales and tar sands

US Patent 4521292 · Granted Jun 4, 1985

Estimated economic value: $10,554,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Heater and method for recovering hydrocarbons from underground deposits2015
Natural gas-assisted steam electrolyzer2000
Catalytic reduction system for oxygen-rich exhaust1999
Diesel NO.sub.x reduction by plasma-regenerated absorbend beds1998
Plasma-assisted catalytic reduction system1998
Apparatus and method for quenching in hydroprocessing of a hydrocarbon feed stre1997
Apparatus and method for quenching in hydroprocessing of a hydrocarbon feed stre1997
Apparatus and method for quenching in hydroprocessing of a hydrocarbon feed stre1996
Catalytic process for treating heavy oils1993
Minimum time, optimizing and stabilizing multivariable control method and system1988
Conditioning of recycle shale in retorting process1988
Temperature gradient in retort for pyrolysis of carbon containing solids1986