Photographic material for spirit duplicating

Claim 1

A PHOTOGRAPHIC ELEMENT DESIGNED FOR PREPARING A PRINTING MATRIX FOR SPIRIT DUPLICATING PROCESSES, COMPRISING; (I) A SUPPORT, (II) A WATER-INSOLUBLE, ALKALI-INSOLUBLE LAYER COATED OVER SAID SUPPORT, SAID LAYER COMPRISING: (A) A WATER-INSOLUBLE, ALKALI-INSOLUBLE ORGANIC RESIN BINDER SELECTED FROM THE CLASS CONSISTING OF A POLYVINYL ACETATE, ZEIN, AN ALCOHOL-SOLUBLE NYLON PLASTIC, POLYVINYL BUTAL, POLYVINYL FORMAL, POLYETHYLACRYLATE, AND POLYMETHYLMETHACRYLATE, AND (B) A WATER-INSOLUBLE, ORGANIC SOLVENT-SOLUBLE MEMBER SELECTED FROM THE CLASS CONSISTING OF 6(2'',4'' - DINITRO - 6'' - N-ETHYLSULFONAMIDEBENZENEAZO) - N-B,2-DIHYDROXYPROPYL-2-METHYLTETRAHYDROQUINOLINE, BRILLIANT OIL BLUE BMA, SOLVENT BLUE 16, GRASOL BLUE R, CELANTHRENE SKY BLKUE B, THE CARBINOL BASE OF VICTORIA BLUE, MICHLER''S HYDROL, A LACTONE OF A TRIPHENYLMETHANE DYE, A LEUCO BASE OF A TRIPHENYLMETHANE DYE, A LOWER ALKYL ETHER OF A TRIPHENYLMETHANE DYE, AND XANTHENE 9, ORTHOBENZOIC ACID, 3,6-DIETHYLAMINO-9-P-NITROANILINO LACTAM, AND COATED OVER SAID LAYER, (III) A THIN LIGHT-SENSITIVE SUBSTANTIALLY UNHARDENED ORGANIC COLLOID SILVER HALIDE EMULSION LAYER.