Patents by Inventor Fran.cedilla.ois A. Lavallee

Fran.cedilla.ois A. Lavallee 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).

  • Preparation of tris(2-hydroxyethyl)isocyanurate (THEIC)
    Patent number: 6046326
    Abstract: A method of preparing tris(2-hydroxyethyl)isocyanurate (THEIC) is disclosed. The method comprises the step of heating a mixture of ethylene carbonate and isocyanuric acid in the presence of a catalyst at a temperature between about 160.degree. C. and 170.degree. C. The molar ratio of ethylene carbonate to isocyanuric acid is at least about 3 to 1, and the catalyst has at least one amine functional group. THEIC produced by the disclosed method can be used without purification as a cross-linking agent in polyester-based magnet wire enamels.
    Type: Grant
    Filed: February 10, 1998
    Date of Patent: April 4, 2000
    Assignee: Essex Group
    Inventor: Fran.cedilla.ois A. Lavallee
  • Antineoplastic heteronapthoquinones
    Patent number: 5736523
    Abstract: This invention relates to a naphthoquinone derivatives, to processes and to intermediates for preparing these derivatives, to pharmaceutical composition and to the use of these derivatives as antitumor agents in mammals.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: April 7, 1998
    Assignee: Biochem Pharma Inc.
    Inventors: Giorgio Attardo, Tibor Breining, Marc Courchesne, Serge Lamothe, Jean-Fran.cedilla.ois Lavallee, Dieu Nguyen, Rabindra Rej, Yves St-Denis, Wuyi Wang, Yao-Chang Xu, France Barbeau, Elaine Lebeau, Jean Louis Kraus