Patents by Inventor Karine Labastie Coeyrehourcq

Karine Labastie Coeyrehourcq 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).

  • Expandable Polystyrene Composition and Process for Making Same
    Publication number: 20080067709
    Abstract: An expandable polystyrene composition in the form of beads is disclosed, comprising: (1) 100 parts by weight of a styrene polymer having in particular a weight-average molecular weight Mw ranging from 150 000 to 400 000 daltons, (2) from 3 to 20 parts by weight of a blowing agent, which is water or a mixture of water with at least one other blowing agent for example a hydrocarbon (3) from 0.1 to 12 parts by weight of at least one modified clay with an at least partially lipophilic nature. Also disclosed is a process for making the compositions.
    Type: Application
    Filed: June 30, 2005
    Publication date: March 20, 2008
    Inventors: Jean-Marc Galewski, Gordon Dawkins, Karine Labastie Coeyrehourcq