Stacked photosensitive elements

Claim 1

A PHOTOGRAPHIC PRODUCT COMPRISING A PLURALITY OF PHOTOSENSITIVE ELEMENTS BEING TIGHTLY STACKED IN PARALLEL RELATIONSHIP AND POSITIONED WITHIN A HOUSING, SAID PHOTOSENSITIVE ELEMENTS BEING REMOVABLE FROM SAID HOUSING ONE ELEMENT AT A TIME, EACH OF SAID PHOTOSENSITIVE ELEMENTS COMPRISING A SUPPORT CARRYING AT LEAST ONE PHOTOSENSITIVE SILVER HALIDE LAYER ON ONE SIDE OF SAID SUPPORT TO PROVIDE A FIRST CONTACT SURFACE, THE OTHER SIDE OF SAID PHOTOSENSITIVE ELEMENT PROVIDING A SECOND CONTACT SURFACE, EACH OF SAID PHOTOSENSITIVE ELEMENTS HAVING A PAPER LEADER IN DIRECT AND TIGHT CONTACT WITH THE FIRST CONTACT SURFACE OF A PHOTOSENSITIVE ELEMENT AND MOVABLE THEREOVER, SAID FIRST CONTGACT SURFACE OF EACH SAID PHOTOSENSITIVE ELEMENT BEING IN CONTACT WITH ANOTHER CONTACT SURFACE PROVIDED BY AT LEAST ONE OF (A) THE SECOND CONTACT SURFACE OF ANOTHER OF SAID PHOTOSENSITIVE ELEMENTS AND (B) A THIRD CONTACT SURFACE PROVIDED BY A SURFACE OF A PAPER LEADER, ONE OF SAID SECOND AND THIRD CONTACT SURFACES HAVING COATED THEREON, AS A SLIP COAT, A CONTINUOUS LAYER COMPRISING A MIXTURE OF (A) AT LEAST ONE PRIMARY, STAIGHT-CHAINED AMIDE CONTAINING FROM ABOUT 8 TO 18 CARBON ATOMS AND (B) A POLYMER SELECTED FROM THE GROUP CONSISTING OF CELLULOSE ACETATE BUTYRATE, ETHYL CELLULOSE AND CELLULOSE NITRATE, SAID POLYMER SUBSTANTIALLY PREVENTING TRANSFER OF SAID AMIDE FROM SAID SLIP COAT, AND SAID SLIP COAT SUBSTANTIALLY REDUCING THE COEFFICIENT OF FRICTION BETWEEN SAID FIRST CONTACT SURFACE AND SAID CONTACT SURFACE.