Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method for improving stability of residual fuel oils

Method for improving stability of residual fuel oils

US Patent 4441890 · Granted Apr 10, 1984

Estimated economic value: $13,845,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Middle distillate fuel having improved low temperature flow properties1992
Composition for improving cold flow properties of middle distillates1992
Composition for improving cold flow properties of middle distillates (OP-3571)1992
Lubricating oil containing ashless non-phosphorus additive1991
Engine lubricating oil comprising a quaternary ammonium hydroxide1990
Method and fuel composition for reducing octane requirement increase1988
Middle distillate fuel having improved low temperature flow properties1988
Pour depressant1987
Colorimetric detection of alcohols in gasoline1986
Zirconium-cerium additives for residual fuel oil1984
Zirconium additives for residual fuel oil1983
Zirconium additives for residual fuel oil1981