Patents by Inventor Gregory CHAO

Gregory CHAO has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Compound comprising polyamine, acidic and boron functionalities and its use as a lubricant additive
    Patent number: 11987764
    Abstract: A product resulting from the reaction of at least: a hydroxybenzoic acid, optionally substituted by a hydrocarbyl group, or an alkali and/or alkaline earth metal salt thereof, a boron compound, a polyalkylamine component selected from triamine and tetramine compounds. Also, a lubricant composition including this product. Use of this product as a lubricant for two-stroke marine engines and four-stroke marine engines, more preferably two-stroke marine engines.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: May 21, 2024
    Assignee: TOTALENERGIES ONETECH
    Inventors: Valérie Doyen, Modestino De Feo, Gregory Chao
  • Lubricant for a marine engine
    Patent number: 11845905
    Abstract: A lubricant for marine engine, notably for a two-stroke marine engine. More particularly, a lubricant for a marine engine including at least one lubricant base oil and at least one di-alkylaminopolyalkylamine.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: December 19, 2023
    Assignee: TOTALENERGIES ONETECH
    Inventors: Valérie Doyen, Modestino De Feo, Gregory Chao
  • LUBRICANT FOR A MARINE ENGINE
    Publication number: 20220396747
    Abstract: A lubricant for marine engine, notably for a two-stroke marine engine. More particularly, a lubricant for a marine engine including at least one lubricant base oil and at least one di-alkylaminopolyalkylamine.
    Type: Application
    Filed: November 5, 2020
    Publication date: December 15, 2022
    Applicant: TOTALENERGIES ONETECH
    Inventors: Valérie DOYEN, Modestino DE FEO, Gregory CHAO
  • COMPOUND COMPRISING POLYAMINE, ACIDIC AND BORON FUNCTIONALITIES AND ITS USE AS A LUBRICANT ADDITIVE
    Publication number: 20220389346
    Abstract: A product resulting from the reaction of at least: a hydroxybenzoic acid, optionally substituted by a hydrocarbyl group, or an alkali and/or alkaline earth metal salt thereof, a boron compound, a polyalkylamine component selected from triamine and tetramine compounds. Also, a lubricant composition including this product. Use of this product as a lubricant for two-stroke marine engines and four-stroke marine engines, more preferably two-stroke marine engines.
    Type: Application
    Filed: November 5, 2020
    Publication date: December 8, 2022
    Applicant: TOTALENERGIES ONETECH
    Inventors: Valérie DOYEN, Modestino DE FEO, Gregory CHAO