THERMAL TRANSFER IMAGING WITH INFRARED LASER AND AZAMETHINE DYES - Patent 0617670

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EP 0 617 670 A1

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(43)	Date of publication:
	05.10.1994 Bulletin 1994/40

(21)	Application number: 93900933.0

(22)	Date of filing: 14.12.1992

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International Patent Classification (IPC):

B41M 5/ 392^{( . )}
B41M 5/ 385^{( . )}
C09B 55/ 00^{( . )}

B41M 5/ 26^{( . )}
B41M 5/ 46^{( . )}

(86)	International application number:
	PCT/US1992/010554

(87)	International publication number:
	WO 1993/012939 (08.07.1993 Gazette 1993/16)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

20.12.1991 US 19910811196

(71)	Applicant: E.I. DU PONT DE NEMOURS AND COMPANY
	Wilmington Delaware 19898 (US)

(72)	Inventors:
	MA, Sheau, Hwa Chadds Ford, PA 19317 (US) KELLOGG, Reid, E. Wilmington, DE 19807 (US)

(74)	Representative: von Kreisler, Alek, Dipl.-Chem.
	Patentanwälte, von Kreisler-Selting-Werner, Bahnhofsvorplatz 1 (Deichmannhaus) D-50667 Köln D-50667 Köln (DE)

(54)	THERMAL TRANSFER IMAGING WITH INFRARED LASER AND AZAMETHINE DYES