Thermographic methods and products

Claim 1

THE METHOD OF FORMING ON A PLANOGRAPHIC PRINTING PLATE OLEOPHILIC IMAGES WHICH CORRESPOND EXACTLY TO IMAGES ON AN ORIGINAL SHEET, WHICH COMPRISES THE STEPS OF: (A) SUPERPOSING AN ORIGINAL SHEET HAVING THEREON INFRARED RADIATION-ABSORBING ORIGINAL IMAGES, A TRANSFER SHEET COMPRISING A TRANSLUCENT FOUNDATION CARRYING A LAYER OF HEAT-TRANSFERABLE OLEOPHILIC IMAGING COMPOSITION WHICH DOES NOT ABSORB INFRARED RADIATION, AND A THIN TRANSLUCENT PAPER DONOR SHEET HAVING A SMOOTH TREATED SURFACE HAVING GOOD RECEPTIVITY FOR SAID HEAT-TRANSFERABLE IMAGING COMPOSITION AND HAVING THE ABILITY TO RELEASE SAID IMAGING COMPOSITION TO THE SURFACE OF A PLANOGRAPHIC PLATE UNDER THE EFFECTS OF HEAT, THE TREATED SURFACE OF SAID DONOR SHEET BEING IN SURFACE CONTACT WITH SAID IMAGING COMPOSITION; (B) APPLYING INFRARED RADIATION TO SAID ORIGINAL IMAGES THROUGH SAID DONOR AND TRANSFER SHEETS FOR A PERIOD OF TIME SUFFICIENT TO SELECTIVELY HEAT SAID ORIGINAL IMAGES AND CAUSE CORRESPONDING AREAS OF THE LAYER OF IMAGING COMPOSITION TO SOFTEN AND ADHERE TO THE TREATED SURFACE OF THE DONOR SHEET;