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:
Sep. 10, 1996
Filed:
Nov. 14, 1994
Applicant:
Inventors:
Michael R Cushman, Kingsport, TN (US);
James J Krutak, Kingsport, TN (US);
William W Parham, Kingsport, TN (US);
Clarence A Coates, Kingsport, TN (US);
Max A Weaver, Kingsport, TN (US);
Gabor Patonay, Stone Mountain, GA (US);
Assignee:
Eastman Chemical Company, Kingsport, TN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B07C / ; C08K / ;
U.S. Cl.
CPC ...
209577 ; 209-33 ; 209576 ; 524 87 ; 524 88 ;
Abstract
Provided is a method for tagging thermoplastic containers using near infrared fluorescing compounds or copolymerized residues readily capable of detection. Also provided is a method for identifying a thermoplastic container. Also provided are thermoplastic polymer compositions comprised of the near infrared fluorescing compounds or residues and articles comprised of such compositions.