Chemical heat amplification in thermal transfer printing

Chemical imaging of a lithographic printing plate

Chemical imaging of a lithographic printing plate

Chemical print element and printing system for its use

Chemically reactive recording medium

Cheque protecting machine

Chill roll assembly

Chinese character matrix printer

Chitosan and the use thereof as a colour fixing agent in ink...

Cholesteric liquid crystal stabilizers for detector elements

Chromogen solutions and pressure-sensitive mark-recording...

Chromogenic composition for use in pressure-sensitive record...

Chromogenic copy systems and methods

Chromogenic document authenticity indicator

Chromogenic mixtures

Chromogenous aminophenyl derivatives of benzodifurandione...

Circuit arrangement for synchronizing the times of...

Circuit for controlling thermal heads of printing apparatus

Circuit providing gamma, color and temperature compensation...

Circulation treatment system and method for fountain solution