Patents by Inventor Nicolas Perret

Nicolas Perret 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).

  • Use of a piston reactor to implement a phosgenation process
    Patent number: 8921594
    Abstract: A process for phosgenating an amine comprising employing a plug-flow type reactor with internal recycle is disclosed. The process can be continuous, which makes it possible to prepare, in a single stage, a (poly)isocyanate with a good yield, without formation of byproducts and on simplifying the plant in order to carry out the process so as to promote safety.
    Type: Grant
    Filed: December 18, 2009
    Date of Patent: December 30, 2014
    Assignee: Vencorex France
    Inventors: Nicolas Perret, Denis Revelant
  • USE OF A PISTON REACTOR TO IMPLEMENT A PHOSGENATION PROCESS
    Publication number: 20110306786
    Abstract: A process for phosgenating an amine comprising employing a plug-flow type reactor with internal recycle is disclosed. The process can be continuous, which makes it possible to prepare, in a single stage, a (poly)isocyanate with a good yield, without formation of byproducts and on simplifying the plant in order to carry out the process so as to promote safety.
    Type: Application
    Filed: December 18, 2009
    Publication date: December 15, 2011
    Applicant: PERSTORP FRANCE
    Inventors: Nicolas Perret, Denis Revelant