Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Lubricating oil compositions for railroad diesel engines

Lubricating oil compositions for railroad diesel engines

US Patent 5397486 · Granted Mar 14, 1995

Estimated economic value: $60,331,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Crankcase lubricating oil composition for protection of silver bearings in locom2011
Polyphenolics as lubricant oil additives2009
Detergent containing lithium metal having improved dispersancy and deposit contr2001
Methods for preparing normal and overbased phenates1997
Methods for preparing normal and overbased phenates1996
Dialkylamine complexes of borated alkyl catechols and lubricating oil compositio1994
Trialkylamine complexes of certain borated alkyl catechols and lubricating oil c1993
Monoalkylamine complexes of borated higher carbon number alkyl catechols and lub1992
Trialkylamine complexes of borated higher carbon number alkyl catechols and lubr1992
Dialkylamine complexes of borated higher carbon number alkyl catechols and lubri1992
Monoalkylamine complexes of borated alkyl catechols and lubricating oil composit1992
Diethylamine complexes of borated alkyl catechols and lubricating oil compositio1991