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:
Jan. 16, 2001
Filed:
Mar. 04, 1997
James John Krutak, Sr., Kingsport, TN (US);
Michael John Cyr, Kingsport, TN (US);
Nelson Zamora Escano, Kingsport, TN (US);
Horst Clauberg, Kingsport, TN (US);
Barbara Crawford Jackson, Kingsport, TN (US);
Tony Wayne Helton, Kingsport, TN (US);
Isotag Technology, Inc., Houston, TX (US);
Abstract
The present invention relates to thermal transfer ribbons comprising a ribbon backing element and at least one printing media layer comprising at least one near infrared fluorescent compound in a concentration which provides detectable fluorescence without imparting color to a mark made from said printing media layer. Methods for printing marks containing said at least one near infrared fluorescent compounds via thermal transfer and methods for reading said marks are also disclosed.