Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Dispersant-viscosity improvers for lubricating oil compositions

Dispersant-viscosity improvers for lubricating oil compositions

US Patent 5821313 · Granted Oct 13, 1998

Estimated economic value: $4,196,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Lubricating composition containing a carboxylic functionalised polymer2015
Functionalized polymer composition for grease2013
Liquid extreme pressure additive2013
Functionalized polymer composition for grease2008
Emulsified based lubricants2005
Dispersant-viscosity improvers for lubricating oil compositions2005
Dispersant-viscosity improvers for lubricating oil compositions2003
Dispersant-viscosity improvers for lubricating oil compositions2003
Phosphorus salts of nitrogen containing copolymers and lubricants containing the2003
Nitrogen containing dispersant-viscosity improvers2002
Nitrogen containing acrylic copolymers2001
Nitrogen containing acrylic copolymers2001