Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for deasphalting heavy oils using a miscible solvent at a low treat ratio and a carbon dioxide antisolvent

Method for deasphalting heavy oils using a miscible solvent at a low treat ratio and a carbon dioxide antisolvent

US Patent 4565623 · Granted Jan 21, 1986

Estimated economic value: $21,420,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Composite shower curb and self-sealing curb cap2019
Recovery of regenerant electrolyte2017
Photovoltaic-thermal (PV-T) system for desalination2016
Hydrolysis reactor for hydrogen production2012
Waterproof base and methods of fabrication and installation thereof2012
Water desalination process and apparatus2008
Production of purified water and high value chemicals from salt water2006
Solid surface shower pan1999
Recovery of sodium hydroxide and aluminum hydroxide from etching waste1991
Method and apparatus for generating acid and base regenerants and the use thereo1989
Air/water distributor underdrain1987
Integrated process for deasphalting heavy oils using a gaseous antisolvent1985