Patent Document ID: 4579370
Application ID: 06626603
Patent Status: 1

Claim One:
1. A process for making a document which will be copy resistant in a color copier comprising: placement of an unexposed photographic material on a set of registration pins; placement of a first screen combination film having a first less than full tone image including a first cancellation phrase and a first background on said registration pins; placement of a camouflage pattern film on said registration pins over said unexposed photographic material said first screen combination film; exposure of said unexposed photographic material and said first screen combination and said first camouflage pattern; replacement of said first screen combination and first camouflage pattern with a second screen combination film and the negative of the first camouflage pattern, said second screen combination film having a second less than full tone image including a second cancellation phrase and a second background; and, exposure of said unexposed photographic material second screen combination and the negative of the first camouflage pattern to generate a multi-tone composite negative.