The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 13, 2021
Filed:
Jan. 12, 2017
Inoventeam, Affringues, FR;
Universite Claude Bernard Lyon 1, Villeurbanne, FR;
Centre National DE LA Recherche Scientifique (Cnrs), Paris, FR;
Arthur Marais, Lochrist, FR;
Mahmoud Ould-Metidji, Marseilles, FR;
Florian Lepoivre, Laval, FR;
Anatole Collet, Montelimar, FR;
Matteo Martini, Villars les Dombes, FR;
Fabien Rossetti, Villeurbanne, FR;
Olivier Tillement, Fontaines Saint-Martin, FR;
Antoine Vanlaer, Paris, FR;
François Ghillebaert, Affringues, FR;
INOVENTEAM, Affringues, FR;
UNIVERSITE CLAUDE BERNARD LYON 1, Villeurbanne, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), Paris, FR;
Abstract
The use, as markers of petroleum products, crude oils, biofuels or lubricants, of rare earth complexes or one of the constituents thereof chosen from rare earth ligands or salts, being capable of forming a rare earth complex after the addition of a developing solution. Preferably, the rare earth complex can be detected by time-resolved fluorescence. Also, a marking method and a method for detecting a rare earth complex as a marker of petroleum products, crude oils, biofuels or lubricants.