Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Lubricating compositions, functional fluids and greases containing thiophosphorus esters or their salts with a oxyalkylene group, and methods of using the same

Lubricating compositions, functional fluids and greases containing thiophosphorus esters or their salts with a oxyalkylene group, and methods of using the same

US Patent 5622923 · Granted Apr 22, 1997

Estimated economic value: $8,042,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Lubricating composition and method of lubricating an internal combustion engine2024
Low ash lubricants with improved seal and corrosion performance2016
Calcium neutral and overbased mannich and anhydride adducts as detergents for en2015
Lubricant compositions containing a heteroaromatic compound2015
Alkyl acrylate copolymer dispersants and uses thereof2015
Lubricant compositions containing a functionalized dispersant2015
1,3,2-dioxaphosphorinane, 2-sulfide derivatives for use as anti-wear additives i2014
1,3,2-dioxaphosphorinane, 2-sulfide derivatives for use as anti-wear additives i2014
Lubricants containing aromatic dispersants and titanium2014
1,3,2-dioxaphosphorinane, 2-sulfide derivatives for use as anti-wear additives i2013
Lubricating composition containing a carboxylic functionalised polymer and dispe2013
1,3,2-dioxaphosphorinane, 2-sulfide derivatives for use as anti-wear additives i2013