Spectra Systems Corporation

Andriy Smuk

Michael James Bradlee

A chelate and associated security feature including a lanthanide metal and a ligand of formula (1), formula (2), or formula (3), where each of R-Rin formula (1) is independently selected from the group consisting of H, OH, NH, Cl, F, OMe, OAr, OCF, CF, alkyl, aryl, phenyl, OPh, and heteroaromatic, where each of R-Rin formula (2) is independently selected from the group consisting of H, OH, NH, Cl, F, OMe, OAr, OCF, CF, NMe, CN, alkyl, aryl, phenyl, OPh, and heteroaromatic, and where Rin formula (2) is selected from the group consisting of H, NH, Cl, F, OMe, OAr, OCF, CF, NMe, CN, alkyl, aryl, phenyl, OPh, and heteroaromatic, and where each of R-Rin formula (3) is independently selected from the group consisting of H, OH, NH, Cl, F, OMe, OAr, OCF, CF, alkyl, aryl, phenyl, OPh, and heteroaromatic.

Growing community of inventors

Barrington, RI, United States of America

Andriy Smuk