Patents by Inventor Alejandro Garcia Carrera

Alejandro Garcia Carrera 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).

  • Calixarene derivatives
    Patent number: 6657081
    Abstract: The invention relates to new calixarenes according to the formula: wherein: R1 is an alkyl or aryl group, or a hydrogen atom, R2 and R3, which may be identical or different, are alkyl or aryl groups, n is an integer ranging from 2 to 8, and p is an integer ranging from 4 to 8. Said calixarenes may be used to extract actinides and lanthanides from aqueous solutions.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: December 2, 2003
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Jean-François Dozol, Alejandro Garcia Carrera, Volker Bohmer, Susan E. Matthews
  • Calixarene derivatives, preparation method and use of said derivatives to extract antinides and lathanides
    Patent number: 6630114
    Abstract: The invention relates to new calixarenes according to the formula: wherein R1 and R2, which may be identical or different, are alkyl, alkoxy or aryl groups, and n is an integer equal to 2, 3 or 4. Said calixarenes may be used to extract actinides and lanthanides from aqueous solutions.
    Type: Grant
    Filed: July 10, 2001
    Date of Patent: October 7, 2003
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Jean-François Dozol, Hélène Rouquette, Alejandro Garcia Carrera, Laetitia Delmau, Volker Böhmer, Alexander Shivanyuk, Christian Muzigmann