Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Ethylene alpha-olefin Mannich Base viscosity index improver/dispersant additives derived from amino phenols and monosecondary amines

Ethylene alpha-olefin Mannich Base viscosity index improver/dispersant additives derived from amino phenols and monosecondary amines

US Patent 5219480 · Granted Jun 15, 1993

Estimated economic value: $55,649,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Nozzle with a random discharge jet pattern2021
Soot dispersant2020
Optimized composition for engine deposits and seals2019
Lubricant composition comprising a bi-modal side-chain distribution LOFI2016
Method of forming polyalkene substituted carboxylic acid compositions2010
Modified detergents and lubricating oil compositions containing same2009
Molybdenum-sulfur additives2007
Lubricating oil composition2007
Lubricating oil composition2007
Lubricating oil compositions2005
Hydroxy aromatic Mannich base condensation products and the use thereof as soot 2005
Lubricating oil composition2005