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:
Nov. 25, 2014
Filed:
Aug. 03, 2012
Applicants:
Morgana M. Trexler, Baltimore, MD (US);
Dajie Zhang, Baltimore, MD (US);
Lisa A. Kelly, Ellicott City, MD (US);
Jennifer L. Sample, Bethesda, MD (US);
John M. Brupbacher, Catonsville, MD (US);
Inventors:
Morgana M. Trexler, Baltimore, MD (US);
Dajie Zhang, Baltimore, MD (US);
Lisa A. Kelly, Ellicott City, MD (US);
Jennifer L. Sample, Bethesda, MD (US);
John M. Brupbacher, Catonsville, MD (US);
Assignee:
The Johns Hopkins University, Baltimore, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/32 (2006.01); B32B 27/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
An article includes a substrate with a plurality of independent taggant layers that each include metal oxide nanocrystals doped with at least one Lanthanide element. Each taggant layer includes metal oxide nanocrystals doped with a different Lanthanide element than each other taggant layer.