Inventor

STEVENSON PAUL R

GB25 patents

⚠️ This page may combine multiple inventors who share the name “STEVENSON PAUL R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

STEVENSON PAUL R

LUBRIZOL CORP

Quaternary ammonium salt detergents for use in fuels

Quaternary ammonium salt detergents for use in fuels

Quaternary ammonium salt of a Mannich compound

Quaternary ammonium amide and/or ester salts

Quaternary ammonium amide and/or ester salts

Quaternary ammonium amide and/or ester salts

Ultra-low molecular weight imide containing quaternary ammonium salts having short hydrocarbon tails

Fuel additives

Lubricating composition containing an aromatic compound

Diesel detergent without a low molecular weight penalty

Low molecular weight imide containing quaternary ammonium salts

Quaternary ammonium salt of a polyalkene-substituted amine compound

Lubricating composition containing an aromatic compound

Low molecular weight amide/ester containing quaternary ammonium salts

Diesel detergent without a low molecular weight penalty

Diesel detergent without a low molecular weight penalty

Diesel detergent without a low molecular weight penalty

Fuel additives and formulations for improving performance of gasoline direct injection engines

STEVENSON PAUL R

Quaternary ammonium amide and/or ester salts

Quaternary ammonium salt of a mannich compound

Nitrogen-free deposit control fuel additives and one step process for the making thereof

BARTON WILLIAM

Quaternary ammonium salt detergents for use in lubricating compositions

DAIMLER CHRYSLER CORP

Outside door handle for a motor vehicle

BARTON WILLIAM R S

Quaternary ammonium salt detergents for use in lubricating compositions

GIESELMAN MATTHEW D

Lubricating composition containing an aromatic compound