Patents by Inventor Frederic Carencotte

Frederic Carencotte 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 for separating hydroxymethylthiobutyric acid
    Patent number: 6743946
    Abstract: The invention concerns an improved method for separating hydroxymethylthiobutyric acid by neutralising hydroxymethylthiobutyronitrile sulphuric hydrolysate, decanting and treating each phase with an organic solvent.
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: June 1, 2004
    Assignee: Adisseo Ireland Limited
    Inventors: Frédéric Carencotte, Michel Garrait, Georges Gros
  • Spherical 10-phenothiazinylpropanoic acid agglomerates and method for preparing same
    Patent number: 5994538
    Abstract: The present invention relates to novel spherical agglomerates of 10-phenothiazinylpropanoic acid. The invention also relates to a process for obtaining those agglomerates.The process for preparing the spherical agglomerates of 10-phenothiazinylpropanoic acid is characterized by stirring a suspension of 10-phenothiazinylpropanoic acid in water in the presence of a binder liquid which is not miscible with water selected from esters of aliphatic or cycloaliphatic acids, aliphatic or cycloaliphatic alcohols, and aliphatic or cycloaliphatic ketones.
    Type: Grant
    Filed: November 24, 1998
    Date of Patent: November 30, 1999
    Assignee: Rhodia Chimie
    Inventors: Frederic Carencotte, Philippe Marchal, Jean-Claude Savet