Patents by Inventor Fabrice Gilis

Fabrice Gilis 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).

  • Process for preparing halogenated polymers
    Patent number: 9221933
    Abstract: The invention concerns a process for the aqueous suspension, micro-suspension, emulsion or micro-emulsion polymerization of at least one halogenated monomer, in particular chlorinated, for example vinyl chloride, by itself or with one or more other vinyl monomers, preferably less than 50% by weight of one or more other vinyl monomers, in which at least one shortstopper and at least one perhalogenate, acting as a whitening agent, are added. The invention also concerns the use of an association of at least one shortstopper and at least one perhalogenate, acting as a whitening agent, in reactions for the polymerization of halogenated monomers. The invention further concerns compositions comprising at least one shortstopper and at least one perhalogenate.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: December 29, 2015
    Assignee: ARKEMA FRANCE
    Inventors: Christian Bonardi, Isabelle Tartarin, Thierry Pascal, Fabrice Gilis