Patents by Inventor Brigitte Bertaina

Brigitte Bertaina 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).

  • 2,2-bis-(2-perfluoroalkylethylthio)-acetaldehydes and process for production thereof
    Patent number: 4721812
    Abstract: Novel 2,2-bis(2-perfluoroalkylethylthio)acetaldehydes having the formula: ##STR1## wherein R.sub.F and R'.sub.F are the same or different perfluoroalkyl groups, together with processes for producing the same and using the same to prepare surface active agents and products with hydrophobic and lipophobic properties.
    Type: Grant
    Filed: May 5, 1987
    Date of Patent: January 26, 1988
    Assignee: Atochem
    Inventors: Brigitte Bertaina, Aime Cambon, Andre Lantz
  • 2,2-bis-(2-perfluoroalkylethylthio)-acetaldehydes and process for production thereof
    Patent number: 4683339
    Abstract: Novel 2,2-bis(2-perfluoroalkylethylthio)acetaldehydes having the formula: ##STR1## wherein R.sub.F and R'.sub.F are the same or different perfluoroalkyl groups, together with processes for producing the same and using the same to prepare surface active agents and products with hydrophobic and lipophobic properties.
    Type: Grant
    Filed: November 26, 1985
    Date of Patent: July 28, 1987
    Assignee: Atochem
    Inventors: Brigitte Bertaina, Aime Cambon, Andre Lantz