Patents by Inventor Jean-Marie Blaude

Jean-Marie Blaude 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).

  • Reduction of content of carboxylic acids and derivatives thereof in oleum, disulfuric acid or concentrated sulfuric acid
    Patent number: 11111201
    Abstract: The present invention concerns a process for the reduction of content of carboxylic acids and derivatives thereof in oleum, disulfuric acid or concentrated sulfuric acid. The invention further concerns a process for the manufacture of carboxylic acid anhydrides comprising the process for the reduction of content of carboxylic acids and derivatives thereof from oleum, disulfuric acid or concentrated sulfuric acid.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: September 7, 2021
    Assignee: Solvay SA
    Inventors: Jean-Marie Blaude, Benoit Gosselin, Alain Lambert, Matthias Marek, Harald Krueger, Jan Schostag, Miriam Heyd
  • REDUCTION OF CONTENT OF CARBOXYLIC ACIDS AND DERIVATIVES THEREOF IN OLEUM, DISULFURIC ACID OR CONCENTRATED SULFURIC ACID
    Publication number: 20200223778
    Abstract: The present invention concerns a process for the reduction of content of carboxylic acids and derivatives thereof in oleum, disulfuric acid or concentrated sulfuric acid. The invention further concerns a process for the manufacture of carboxylic acid anhydrides comprising the process for the reduction of content of carboxylic acids and derivatives thereof from oleum, disulfuric acid or concentrated sulfuric acid.
    Type: Application
    Filed: April 25, 2018
    Publication date: July 16, 2020
    Inventors: Jean-Marie BLAUDE, Benoit GOSSELIN, Alain LAMBERT, Mathias MAREK, Harald KRUEGER, Jan Schostag, Miriam Heyd
  • Process for preparing a halogenated polymer and device for its implementation
    Patent number: 7598312
    Abstract: A process for preparing a halogenated polymer in a medium comprising liquid or supercritical carbon dioxide, comprising a step involving the radical polymerization of at least one halogenated monomer and at least one step involving cross-flow filtration; and a cross-flow filtration device.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: October 6, 2009
    Assignee: Solvay (Société Anonyme)
    Inventors: Jean-Marie Blaude, Roland Martin
  • Process for preparing a halogenated polymer and device for its implementation
    Publication number: 20070021570
    Abstract: A process for preparing a halogenated polymer in a medium comprising liquid or supercritical carbon dioxide, comprising a step involving the radical polymerization of at least one halogenated monomer and at least one step involving cross-flow filtration; and a cross-flow filtration device.
    Type: Application
    Filed: July 12, 2006
    Publication date: January 25, 2007
    Applicant: SOLVAY (SOCIETE ANONYME)
    Inventors: Jean-Marie Blaude, Roland Martin
  • Method for preparing halogenated polymers, and resulting halogenated polymers
    Publication number: 20040087741
    Abstract: Process for the continuous preparation of halopolymers, comprising the radical-mediated polymerization of halomonomers in a medium comprising liquid or supercritical carbon dioxide in at least two mixed reactors under pressure in series. Halopolymers obtained.
    Type: Application
    Filed: December 18, 2003
    Publication date: May 6, 2004
    Inventors: Jean-Marie Blaude, Roland Martin, Jean-Marie Chauvier, Charles Bienfait