Patents by Inventor Sophie OPPILLIART

Sophie OPPILLIART 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).

  • Lubricant composition for a gas engine
    Patent number: 11697785
    Abstract: Disclosed is a method of lubricating a gas engine using a lubricant including at least one mineral base oil and at least one ester selected from among the polyol esters. The composition includes at least 50% by weight of mineral base oil and at least 5% by weight of polyol ester relative to the total weight of the lubricant composition.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: July 11, 2023
    Assignee: TOTAL MARKETING SERVICES
    Inventors: Sophie Oppilliart, Santiago Carreras, Erwan Bertho
  • LUBRICANT COMPOSITION FOR INDUSTRIAL ENGINES WITH INCREASED FE POTENTIAL
    Publication number: 20210171854
    Abstract: The present invention relates to the field of multipurpose lubricants which may be used in the various components of automotive vehicles, notably in the engine, the transmission or the hydraulic circuit. The invention relates to the use of at least one polymer which improves the viscosity index, chosen from hydrogenated copolymers of diene and of aromatic vinyl, in a lubricant composition for decreasing the viscosity of said lubricant composition in the course of the use of said lubricant composition during the lubrication of the various components of an industrial vehicle, notably of a diesel engine industrial vehicle, such as the engine, the gearbox and the hydraulic circuit, said lubricant composition undergoing at least one thermal shear during its use.
    Type: Application
    Filed: April 19, 2019
    Publication date: June 10, 2021
    Inventors: Stéphane GAVAND, Sophie OPPILLIART, Bernard LAMY
  • LUBRICANT COMPOSITION FOR A GAS ENGINE
    Publication number: 20190203152
    Abstract: Disclosed is a method of lubricating a gas engine using a lubricant including at least one mineral base oil and at least one ester selected from among the polyol esters. The composition includes at least 50% by weight of mineral base oil and at least 5% by weight of polyol ester relative to the total weight of the lubricant composition.
    Type: Application
    Filed: July 6, 2017
    Publication date: July 4, 2019
    Applicant: TOTAL MARKETING SERVICES
    Inventors: Sophie OPPILLIART, Santiago CARRERAS, Erwan BERTHO