Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Oxidative passivation of polyamine-dispersants

Oxidative passivation of polyamine-dispersants

US Patent 4379064 · Granted Apr 5, 1983

Estimated economic value: $93,624,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Catalyzed gas-phase mono N-alkylation of aromatic primary amines1992
Passivation of polyamine dispersants toward fluorohydrocarbon compositions1990
Passivation of polyamine dispersants toward fluorohydrocarbon compositions1990
Lubricant overbased detergent-dispersants with improved solubility1986
Synthetic fuel composition1985
Synthetic lubricant composition1984
Oxidized mannich condensation product1984
Dispersant viscosity index improver comprising reaction product of a styrene-mal1983
Modified overbased sulfonates and phenates1982
Flow improver for heavy petroleum products comprising alkenyl succinate diester1981