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:
Dec. 05, 2017
Filed:
Jun. 28, 2007
Thomas Potrawa, Seelze, DE;
Joachim Schulz, Pohle, DE;
Thomas Potrawa, Seelze, DE;
Joachim Schulz, Pohle, DE;
HONEYWELL INTERNATIONAL INC., Morris Plains, NJ (US);
Abstract
There is provided rare earth metal complexes of formula (I): wherein M is a cation, RE is a rare earth metal; X is a counter anion; and R, R, R, and Rare each independently selected from hydrogen, alkyl of 1-8 carbon atoms, aryl, halo, and alkoxy. Also provided is a composition of europium bis(2,2'-bipyridine-N,N′)-trinitrate with a diketonate dopant. The disclosure also provides processes for preparing the rare earth metal complexes. A mark comprising the rare earth metal complexes, and a method of applying the mark, are disclosed. The rare earth metal complexes may be used in printing systems, and for security applications.