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. 25, 1994
Filed:
Nov. 02, 1992
Max A Weaver, Kingsport, TN (US);
Clarence A Coates, Kingsport, TN (US);
William W Parham, Kingsport, TN (US);
Samuel D Hilbert, Jonesborough, TN (US);
James J Krutak, Kingsport, TN (US);
Wayne P Pruett, Kingsport, TN (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
Provided are polyester compositions having thermally stable colorants copolymerized therein, said colorants comprised of at least one electron-rich aromatic moiety attached to a negatively substituted 2,5-dioxypyrrolin-3-yl moiety and containing at least one, and preferably, two polyester reactive groups. Also provided are polyester color concentrates and blends of the colored polyester compositions with other thermoplastic polymers and shaped or formed articles comprised of same.