Patents by Inventor Doina SIRBU

Doina SIRBU 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).

  • Polynitrogen compounds and uses thereof as fluorescent chromophores
    Patent number: 10954436
    Abstract: The present invention relates to the use, as a fluorescent chromophore, of a compound with formula (I) wherein: A1 is —N— or —C(Y1)—; A2 is —N— or —C(Y2)—; A3 is —N— or —C(Y3)—; A4 is —N— or —C(Y4)—; at least one of A1, A2, A3 and A4 representing —N—; X1 is —N— or —C(Y5)—; X2 is —N— or —C(Y6)—; X3 is —N— or —C(Y7)—; and Y1, Y2, Y3, Y4, Y5, Y6 and Y7 are in particular chosen independently of one another from the group made up of: H, electron-donor groups and electron-attracting groups.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: March 23, 2021
    Assignees: UNIVERSITE D'ORLEANS, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Franck Suzenet, Doina Sirbu, Gérald Guillaumet, Pascal Bonnet
  • POLYNITROGEN COMPOUNDS AND USES THEREOF AS FLUORESCENT CHROMOPHORES
    Publication number: 20180194997
    Abstract: The present invention relates to the use, as a fluorescent chromophore, of a compound with formula (I) wherein: A1 is —N— or —C(Y1)—; A2 is —N— or —C(Y2)—; A3 is —N— or —C(Y3)—; A4 is —N— or —C(Y4)—; at least one of A1, A2, A3 and A4 representing —N—; X1 is —N— or —C(Y5)—; X2 is —N— or —C(Y6)—; X3 is —N— or —C(Y7)—; and Y1, Y2, Y3, Y4, Y5, Y6 and Y7 are in particular chosen independently of one another from the group made up of: H, electron-donor groups and electron-attracting groups.
    Type: Application
    Filed: July 19, 2016
    Publication date: July 12, 2018
    Inventors: Franck SUZENET, Doina SIRBU, Gérald GUILLAUMET, Pascal BONNET