Patents by Inventor Stéphane Cron

Stéphane Cron 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).

  • Polyurethane/polyurea-forming compositions
    Patent number: 6369156
    Abstract: The present invention relates to the curative component of poly urethane/urea-forming casting compositions containing (a) an aromatic polyamine containing at least one thioether group, (b) a phosphate ester and (c) an aldehyde or a compound which forms an aldehyde upon reaction with water. Component (c) prevents the composition from discoloring with time into an unacceptable dark color and also neutralises the strong odor resulting from the amine curative and its decomposition byproducts.
    Type: Grant
    Filed: October 19, 2000
    Date of Patent: April 9, 2002
    Assignee: Vantico Inc.
    Inventor: Stéphane Cron