Visualization kit comprising a fluorescent agent and a cyanoacrylate, and method of cofumigation of a fluorescent agent and a cyanoacrylate
AssigneesCrime Science Technology, Ecole Normale Superieure De Cachan, Centre National de la Recherche Scientifique (CNRS)
InventorsCosimo Prete, Pierre Audebert, Laurent Galmiche, Clémence Allain
Life of this patent
Estimating the term…
Abstract
The present invention relates to a visualization kit including (A) a cyanoacrylate and (B) a fluorescent agent having a molecular weight of less than 400 g·mol−1, a sublimation temperature of less than 200° C., and an extinction coefficient of less than 2950 L·mol−1·cm−1; to a method including the cofumigation of a cyanoacrylate (A) and a fluorescent agent (B); and to a method for visualizing traces on a substrate, employing the method of cofumigation.
Claims16
1-15. (canceled)
Visualization kit comprising:
- (A) a cyanoacrylate;
- and
- (B) a fluorescent agent selected from tetrazines of formula 1:
- in which X and Y represent independently
- a nonionic, electron-withdrawing group, which may be substituted by a polymerizable group comprising a double bond, a triple bond and a heterocycle;
- an aziridine group, which is optionally substituted by alkyl or aryl;
- X and Y cannot represent an amino group or any other group bonded to the tetrazine ring by a nitrogen atom, other than the said aziridine group;
- and
- X and Y cannot represent a thio group or any other group bonded to the tetrazine ring by a sulphur atom.
Dependencies are inferred from the claim text.