Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Methods for preparing, group II metal overbased sulfurized alkylphenols

Methods for preparing, group II metal overbased sulfurized alkylphenols

US Patent 4744921 · Granted May 17, 1988

Estimated economic value: $51,986,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

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
Method of preparing borated alkyl aromatic polyols1992
Diethylamine complexes of borated alkyl catechols and lubricating oil compositio1991
Methods for preparing, group II metal overbased sulfurized alkylphenols1991
Diethylamine complexes of borated alkyl catechols and lubricating oil compositio1990
Methods for preparing, Group II metal overbased sulfurized alkylphenols1990
Metal salts of alkyl catechol dithiophosphoric acids and oil compositions contai1988