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:
Apr. 17, 2001
Filed:
Apr. 30, 1999
Applicant:
Inventors:
Richard Dixon Neal, Kingsport, TN (US);
Barbara Crawford Jackson, Kingsport, TN (US);
James John Krutak, Sr., Kingsport, TN (US);
Assignee:
Isotag Technology, Inc., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B42D 1/500 ; D06P 1/92 ; C09K 1/102 ;
U.S. Cl.
CPC ...
B42D 1/500 ; D06P 1/92 ; C09K 1/102 ;
Abstract
Fibers having at least one near-infrared fluorescing compound associated therewith are prepared by contacting the fibers with the fluorescing compound(s) dissolved in an organic solvent. Suitable organic solvents include ketones and alcohols. The fibers may subsequently be air-dried to remove any remaining volatiles. Fibers coated with the marker solution desirably have less than 1 weight percent of the marker coated thereon.