US Patent 11873461 Extreme pressure additives with improved copper corrosion

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Patent

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Current Assignee

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

118734610

Patent Inventor Names

Magdalena Makowska0

Jon Jacoby0

LeAnna Hobbs0

David Edwards0

Date of Patent

January 16, 2024

Patent Application Number

179344420

Date Filed

September 22, 2022

Patent Citations

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US Patent 7435272 Friction modifier alkoxyamine salts of carboxylic acids as additives for fuel compositions and methods of use thereof

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US Patent 6867171 Low molecular weight branched alkenyl succinic acid derivatives prepared from low molecular weight polyisobutene and unsaturated acidic reagents

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US Patent 6884855 Sulfurized polyisobutylene based wear and oxidation inhibitors

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US Patent 7297675 Process for the preparation of highly concentrated flowable aqueous solutions of betaines

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US Patent 7402185 Additives for fuel compositions to reduce formation of combustion chamber deposits

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US Patent 7414013 Sulfurized polyisobutylene based wear and oxidation inhibitors

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US Patent 8449630 Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct injection spark ignition engines

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US Patent 8475541 Diesel fuel additive

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Patent Primary Examiner

CPC Code

Patent abstract

A sulfurized extreme pressure additive and lubricant including the same providing good copper corrosion and seal compatibility.

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US Patent 11873461 Extreme pressure additives with improved copper corrosion

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