Patents by Inventor Alexandre Roumaneix

Alexandre Roumaneix 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).

  • Basic ashless additives
    Patent number: 10144897
    Abstract: A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted ?-aminoester or ?-aminothioester provides exhibits basicity and good seal performance. In certain embodiments the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain.
    Type: Grant
    Filed: April 28, 2015
    Date of Patent: December 4, 2018
    Assignee: The Lubrizol Corporation
    Inventors: Daniel J. Saccomando, Ewan E. Delbridge, Alexandre Roumaneix
  • Basic ashless additives
    Patent number: 9783756
    Abstract: A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted ?-aminoester or ?-aminothioester, wherein the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain, provides exhibits basicity and good seal performance.
    Type: Grant
    Filed: October 28, 2013
    Date of Patent: October 10, 2017
    Assignee: The Lubrizol Corporation
    Inventors: Daniel J. Saccomando, Ewan E. Delbridge, Alexandre Roumaneix
  • BASIC ASHLESS ADDITIVES
    Publication number: 20170051225
    Abstract: A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted ?-aminoester or ?-aminothioester provides exhibits basicity and good seal performance. In certain embodiments the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain.
    Type: Application
    Filed: April 28, 2015
    Publication date: February 23, 2017
    Inventors: Daniel J. SACCOMANDO, Ewan E. DELBRIDGE, Alexandre ROUMANEIX
  • Basic Ashless Additives
    Publication number: 20150291907
    Abstract: A lubricant composition comprising an oil of lubricating viscosity and an N-hydrocarbyl-substituted ?-aminoester or ?-aminothioester, wherein the N-hydrocarbyl substituent comprises a hydrocarbyl group of at least 3 carbons atoms, with a branch at the 1 or 2 position of the hydrocarbyl chain, provides exhibits basicity and good seal performance.
    Type: Application
    Filed: October 28, 2013
    Publication date: October 15, 2015
    Applicant: THE LUBRIZOL CORPORATION
    Inventors: Daniel J. Saccomando, Ewan E. Delbridge, Alexandre Roumaneix