Patents by Inventor PIERRE QUEVAL

PIERRE QUEVAL 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 the polymerization of cycloolefins by means of ring-opening metathesis
    Patent number: 11261290
    Abstract: The present invention relates to a method for the polymerization of cycloolefins by ring-opening metathesis. The reaction is carried out in the presence of at least one particular catalyst, selected from the ruthenium alkylidene complexes comprising at least one 1-aryl-3-cycloalkyl-imidazolin-2-ylidene ligand and mixtures thereof. The invention also relates to a kit for implementing this method.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: March 1, 2022
    Assignee: DEMETA
    Inventors: Mathieu Rouen, Frédéric Caijo, Pierre Queval, Fabien Tripoteau
  • METHOD FOR THE POLYMERISATION OF CYCLOOLEFINS BY MEANS OF RING-OPENING METATHESIS
    Publication number: 20200339741
    Abstract: The present invention relates to a method for the polymerization of cycloolefins by ring-opening metathesis. The reaction is carried out in the presence of at least one particular catalyst, selected from the ruthenium alkylidene complexes comprising at least one 1-aryl-3-cycloalkyl-imidazolin-2-ylidene ligand and mixtures thereof. The invention also relates to a kit for implementing this method.
    Type: Application
    Filed: December 20, 2018
    Publication date: October 29, 2020
    Inventors: MATHIEU ROUEN, FRÉDÉRIC CAIJO, PIERRE QUEVAL, FABIEN TRIPOTEAU