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Detection Toner for Copiers

IP.com Disclosure Number: IPCOM000070297D
Original Publication Date: 1978-Sep-01
Included in the Prior Art Database: 2005-Feb-21

Publishing Venue

IBM

Related People

Authors:
Godlewski, RB [+details]

Abstract

Toner for a copy machine is treated with an identifying additive. To identify the machine on which a copy was made and/or to show that the document is a copy of the original, an additive is included in the toner.