Process for preparing multiple color proofs

US5587272A · kind A · utility

Assignee

• E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

• Mario Grossa · Dreieich, DE
• Udo Bode · Dreieich, DE
• Manfred Sondergeld · St. Georgen, DE
• Karl-Heinz Wiedenmann · Rödermark, DE
• Ronald J. Convers · Ponca City, US
• Steven Max Kalo · Towanda, US
• Ashok Kamalaksha Kudva · Hendersonville, US

Key dates

• Filing date: Dec 7, 1995
• Grant date: Dec 24, 1996
• Expiry date: Dec 7, 2015

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S430/153
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

This invention makes available processes for preparing images, especially color proofs. A layer with imagewise tacky and nontacky areas is toned. Toner adhering to the tacky areas is transferred first onto a temporary support and from there onto an image receptor.