Patents by Inventor Katarzyna Szostak

Katarzyna Szostak 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).

  • Process for the mass production of multiwalled carbon nanotubes
    Patent number: 7094385
    Abstract: The present invention concerns a process for the mass production of carbon nanotubes and particularly a process for selectively producing multiwalled carbon nanotubes.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: August 22, 2006
    Assignee: CNRS
    Inventors: François Beguin, Sandrine Delpeux, Katarzyna Szostak
  • Method for opening carbon nanotubes at the ends thereof and implementation
    Publication number: 20050163697
    Abstract: The invention relates to an efficient and non-damaging method for opening carbon nanotubes, characterized in that it consists of two oxidation stages, the first in liquid phase in a concentrated acid, the second in gaseous phase.
    Type: Application
    Filed: August 8, 2003
    Publication date: July 28, 2005
    Inventors: Francois Beguin, Sandrine Delpeux, Katarzyna Szostak
  • Process for the mass production of multiwalled carbon nanotubes
    Publication number: 20040022719
    Abstract: The present invention concerns a process for the mass production of carbon nanotubes and particularly a process for selectively producing multiwalled carbon nanotubes.
    Type: Application
    Filed: March 12, 2002
    Publication date: February 5, 2004
    Inventors: Francois Beguin, Sandrine Delpeux, Katarzyna Szostak