Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Solvent dewaxing waxy hydrocarbon oils using dewaxing aid

Solvent dewaxing waxy hydrocarbon oils using dewaxing aid

US Patent 4377467 · Granted Mar 22, 1983

Estimated economic value: $22,792,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Mass spectrometric multivariate analysis2003
Method for enhancing asphalt properties2001
Method for recovery or maintaining the activity of hydroisomerization catalysts1994
Method for recovering or maintaining the activity of hydroisomerization catalyst1993
Method for isomerizing wax to lube base oils1991
Method for isomerizing wax to lube base oils using a sized isomerization catalys1990
Process for increasing deasphalted oil production from upgraded residua1987
Dewaxing waxy hydrocarbon oils using di-alkyl fumarate-vinyl laurate copolymer d1986
Process for increasing Bright Stock raffinate oil production1986
Method for increasing deasphalted oil production1985
Polyvinylpyrrolidone dewaxing aid for bright stocks1980