Patents by Inventor Julien Grima

Julien Grima 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 of obtaining urethane-protected N-carboxyanhydrides of alpha amino acids
    Patent number: 7667051
    Abstract: The invention relates to a method of preparing urethane-protected N-carboxyanhydrides of alpha amino acids. The inventive method enables the synthesis of urethane-protected N-carboxyanhydrides of alpha amino acids in the presence of a catalytic quantity of triethylene diamine without the addition of a tertiary amine-type base.
    Type: Grant
    Filed: August 17, 2004
    Date of Patent: February 23, 2010
    Assignee: ISOCHEM
    Inventors: Hervé Lhermitte, Julien Grima, Antoine Paris
  • Method of obtaining urethane-protected n-carboxyanhydrides of alpha amino acids
    Publication number: 20060287534
    Abstract: The invention relates to a method of preparing urethane-protected N-carboxyanhydrides of alpha amino acids. The inventive method enables the synthesis of urethane-protected N-carboxyanhydrides of alpha amino acids in the presence of a catalytic quantity of triethylene diamine without the addition of a tertiary amine-type base.
    Type: Application
    Filed: August 17, 2004
    Publication date: December 21, 2006
    Applicant: ISOCHEM
    Inventors: Herve Lhermitte, Julien Grima, Antoine Paris