Patents by Inventor Nadjet KHELIDJ-SUEDMEYER

Nadjet KHELIDJ-SUEDMEYER 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).

  • Polyalkylene glycol-based lubricant composition
    Patent number: 10982169
    Abstract: A lubricant composition includes: an oil selected from among polyalkylene glycols (PAG); and a nitrogen compound selected from among amine phosphates or amine tungstates. The lubricant composition is particularly suitable for lubricating a vehicle engine, preferably a motor vehicle engine. Also disclosed is an engine lubrication method utilizing such composition.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: April 20, 2021
    Assignees: TOTAL MARKETING SERVICES, DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Laura Broutin, Nicolas Obrecht, Nadjet Khelidj-Suedmeyer
  • POLYALKYLENE GLYCOL-BASED LUBRICANT COMPOSITION
    Publication number: 20190078036
    Abstract: Disclosed is a lubricant composition including: an oil chosen from polyalkyl glycols (PAG or polyalkylene glycols); and an anti-wear additive chosen from compounds of formula (I) in which R1 and R2, which may be identical or different, independently represent a linear or branched secondary alkyl group including from 2 to 7 carbon atoms, preferably from 3 to carbon atoms. This lubricant composition is particularly useful for the lubrication of a vehicle engine, preferably of a motor vehicle.
    Type: Application
    Filed: March 14, 2017
    Publication date: March 14, 2019
    Inventors: Laura BROUTIN, Nicolas OBRECHT, Nadjet KHELIDJ-SUEDMEYER
  • POLYALKYLENE GLYCOL-BASED LUBRICANT COMPOSITION
    Publication number: 20190071616
    Abstract: A lubricant composition includes: an oil selected from among polyalkylene glycols (PAG); and a nitrogen compound selected from among amine phosphates or amine tungstates. The lubricant composition is particularly suitable for lubricating a vehicle engine, preferably a motor vehicle engine. Also disclosed is an engine lubrication method utilizing such composition.
    Type: Application
    Filed: March 15, 2017
    Publication date: March 7, 2019
    Inventors: Laura BROUTIN, Nicolas OBRECHT, Nadjet KHELIDJ-SUEDMEYER