Method of forming a color image of a graphic object pattern directly on a support medium. A water-soluble photosensitive stencil material is coated on the support and exposed imagewise to actinic radiation. The exposed photosensitive stencil material is developed to remove the water-soluble, unexposed...http://www.google.com.au/patents/US4355095?utm_source=gb-gplus-sharePatent US4355095 - Method for producing a photomechanical color image using a strippable photostencil and water-permeable, water-insoluble color media
