Patents by Inventor Philippe Poubanne

Philippe Poubanne 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).

  • Method of revealing structure for single-crystal superalloys
    Patent number: 6582585
    Abstract: The method according to the invention comprises a macrographic etching step followed by a “bleaching” step by electrolytic etching by means of a bath containing at least phosphoric acid and a weak acid. This method allows components made of superalloys to be easily and effectively inspected, including when they contain elements such as rhenium or ruthenium.
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: June 24, 2003
    Assignee: SNECMA Moteurs
    Inventors: Michel Ruimi, Sylvie Poutonnet, Philippe Poubanne
  • Method of revealing structure for single-crystal superalloys
    Publication number: 20020023846
    Abstract: The method according to the invention comprises a macrographic etching step followed by a “bleaching” step by electrolytic etching by means of a bath containing at least phosphoric acid and a weak acid. This method allows components made of superalloys to be easily and effectively inspected, including when they contain elements such as rhenium or ruthenium.
    Type: Application
    Filed: August 27, 2001
    Publication date: February 28, 2002
    Applicant: SNECMA MOTEURS
    Inventors: Michel Ruimi, Sylvie Poutonnet, Philippe Poubanne