Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for recovering high quality oil from refinery waste emulsions

Process for recovering high quality oil from refinery waste emulsions

US Patent 5882506 · Granted Mar 16, 1999

Assignee

No assignee recorded.

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Disposable beverage lid2021
Articulated sun shade apparatus2015
Container apparatus2014
Switchable drive pulley with electrically actuated friction disc torque transfer2013
Process to upgrade crude oils by destruction of naphthenic acids, removal of sul1999
Process to upgrade crude oils by destruction of naphthenic acids, removal of sul1999
Process to upgrade crude oils by destruction of naphthenic acids, removal of sul1999
Conversion of heavy petroleum oils to coke with a molten alkali metal hydroxide1999
Conversion of heavy petroleum oils to coke with a molten alkali metal hydroxide1999
Conversion of heavy petroleum oils to coke with a molten alkali metal hydroxide1999
Process for upgrading heavy crude oil production1999
Process for upgrading heavy crude oil production1999