Diffusion transfer films with anti-reflection layers and processes
阅读：782发布：2023-06-23
专利汇可以提供Diffusion transfer films with anti-reflection layers and processes专利检索，专利查询，专利分析的服务。并且Photographic images, particularly multicolor images, viewed through a transparent support have an anti-reflection coating on the outer surface of said support. The images may be formed by multicolor diffusion transfer processes using dye developers or other image dye-providing materials. In the preferred embodiments, the photographic image is an integral negativepositive reflection print. Where photoexposure is effected through a transparent support, e.g., the transparent support through which the final image is viewed, provision of an antireflection coating and effecting photoexposure therethrough will permit more effective recording of light passing through the camera lens. The transparent support preferably has an index of refraction of at least 1.6.，下面是Diffusion transfer films with anti-reflection layers and processes专利的具体信息内容。
2. A photographic product as defined in claim 1, including at least one layer containing photosensitive silver halide carried on said first side.
3. A photographic product as defined in claim 2, including an image dye-providing material in a layer contiguous to said silver halide containing layer.
4. A photographic product as defined in claim 1 wherein said image-receiving layer includes a mordant for a dye.
5. A photographic product as defined in claim 1 wherein said image-receiving layer is a silver receptive layer containing a silver precipitant.
6. A photographic product as defined in claim 4 wherein said dye is a dye developer.
7. A photographic product as defined in claim 1 wherein said transparent support has an index of refraction of at least about 1.6.
8. A photographic product as defined in claim 7 wherein said transparent support is a polyester.
9. A photographic product as defined in claim 8 wherein said polyester is polyethylene terephthalate.
10. A photographic product as defined in claim 7 wherein said transparent support is polystyrene.
11. A photographic product as defined in claim 1 wherein said anti-reflection coating has an index of refraction at least 0.20 less than said transparent support.
12. A photographic product as defined in claim 1 wherein said anti-reflection coating has an index of refraction of about 0.25 to 0.3 less than said transparent support.
13. A photographic product as defined in claim 7 wherein said anti-reflection coating has an index of refraction at least 0.20 less than said transparent support.
14. A photographic product as defined in claim 13 wherein said anti-reflection coating has an index of refraction at least 0.25 to 0.3 less than said transparent support.
15. A photographic product as defined in claim 7 wherein said anti-reflection coating has an index of refraction of about 1.3 to about 1.4.
16. A photographic product as defined in claim 1 wherein said anti-reflection coating has an index of refraction of about 1.3 to about 1.4.
17. A photographic product as defined in claim 1 wherein said transparent support is cellulose acetate.
18. A photographic product as defined in claim 1 wherein said anti-reflection coating comprises a fluorinated polymer.
19. A photographic product comprising a transparent support carrying on one side thereof a layer containing a photosensitive silver halide, said silver halide layer being exposable through said transparent support, the other side of said transparent support carrying an anti-reflection coating.
20. A photographic product as defined in claim 19, including an image dye-providing material in a layer contiguous to said silver halide containing layer.
21. A photographic product as defined in claim 20 wherein said image dye-providing material is a dye developer.
22. A photographic product as defined in claim 20 wherein said image dye-providing material is a compound which provides a diffusible dye as a function of oxidation or color coupling.
23. A photographic product as defined in claim 19 including an image-receiving layer, said layer of silver halide being positioned between said support and said image-receiving layer.
24. A photographic product as defined in claim 19 wherein said transparent support has an index of refraction of at least about 1.6.
25. A photographic product as defined in claim 24 wherein said transparent support is a polyester.
26. A photographic product as defined in claim 25 wherein said polyester is polyethylene terephthalate.
27. A photographic product as defined in claim 24 wherein said transparent support is polystyrene.
28. A photographic product as defined in claim 19 wherein said anti-reflection coating has an index of refraction at least 0.20 less than said transparent support.
29. A photographic product as defined in claim 19 wherein said anti-reflection coating has an index of refraction of about 0.25 to 0.3 less than said transparent support.
30. A photographic product as defined in claim 24 wherein said anti-reflection coating has an index of refraction at least 0.20 less than said transparent support.
31. A photographic product as defined in claim 30 wherein said anti-reflection coating has an index of refraction at least 0.25 to 0.3 less than said transparent support.
32. A photographic product as defined in claim 24 wherein said anti-reflection coating has an index of refraction of about 1.3 to about 1.4.
33. A photographic product as defined in claim 19 wherein said anti-reflection coating has an index of refraction of about 1.3 to about 1.4.
34. A photographic product as defined in claim 19 wherein said transparent support is cellulose acetate.
35. A photographic product as defined in claim 19 wherein said anti-reflection coating comprises a fluorinated polymer.
36. A photographic film product comprising a first support and a second support, at least one of said supports being transparent, a plurality of layers including a photosensitive layer carried on one of said supports, and a rupturable container releasably holding a processing composition adapted, when distributed between a pair of predetermined layers carried by said supports, to develop said photosensitve layer and provide an image viewable through said transparent support, the external surface of said transparent support carrying an anti-reflection coating.
37. A photographic product as defined in claim 36, wherein both of said supports are transparent and each said transparent support carries an anti-reflection coating on the external surface thereof.
38. A photographic product as defined in claim 36, including an image-receiving layer and means adapted to provide a masking layer between said photosensitive layer and said image-receiving layer to mask the developed photosensitive layer when the image in said image-receiving layer is viewed through said transparent support.
39. A photographic product as defined in claim 38 wherein said product includes a silver halide solvent and said image is a silver transfer image.
40. A photographic product for forming a diffusion transfer image in dye within a permanent laminate including at least one developed silver halide layer, said photographic product comprising, in combination, an image-receiving layer; at least one silver halide emulsion, each said silver halide emulsion having associated therewith an image dye-providing substance selected from the group consisting of image dyes and image dye intermediates; means providing a light-reflecting layer between said image-receiving layer and said silver halide emulsion(s) to mask said silver halide emulsion(s) after development thereof and to provide a white background for viewing a dye image in said image-receiving layer; a transparent support through which image-receiving layer may be viewed; means providing a processing composition for developing said silver halide emulsion(s) after photoexposure and for forming a transfer image in at least one dye in said image-receiVing layer; said image in at least one dye in said image-receiving layer; said product including an anti-reflection coating on the outer surface of said transparent support.
41. A photographic film as defined in claim 40 wherein each said image dye-providing substance is a dye.
42. A photographic film as defined in claim 41 wherein each said dye is a dye developer.
43. A photographic film as defined in claim 40 wherein each said image dye-providing substance is an intermediate for an image dye.
44. A photographic product as defined in claim 40 wherein said silver halide emulsion(s) are adapted to be exposed through said transparent support.
45. A photographic product as defined in claim 40 including a second transparent support, said silver halide emulsion(s) being adapted to be exposed through said second transparent support.
46. A photographic product as defined in claim 45 wherein said second transparent support also carries an anti-reflection coating on the outer surface thereof.
47. A photographic product as defined in claim 40 wherein said means providing a light-reflecting layer comprise a white pigment dispersed in said processing composition, and said processing composition is contained in a rupturable container positioned to distribute said processing composition containing said pigment between said image-receiving layer and said silver halide emulsion(s).
48. A photographic product as defined in claim 40 comprising a temporary laminate including said layers confined between two dimensionally stable supports, at least one of said supports being transparent, the bond between a predetermined pair of layers being weaker than the bond between other pairs of layers, and including a rupturable container releasably holding said processing composition, said rupturable container being so positioned as to distribute said processing composition between said predetermined layers, said processing composition being adapted to provide said permanent laminate following distribution and drying.
49. A photographic product as defined in claim 40 wherein said transparent support has an index of refraction of at least about 1.6.
50. A photographic product as defined in claim 49 wherein said transparent support is a polyester.
51. A photographic product as defined in claim 50 wherein said polyester is polyethylene terephthalate.
52. A photographic product as defined in claim 49 wherein said transparent support is polystyrene.
53. A photographic product as defined in claim 40 wherein said anti-reflection coating has an index of refraction at least 0.20 less than said transparent support.
54. A photographic product as defined in claim 40 wherein said anti-reflection coating has an index of refraction of about 0.25 to 0.3 less than said transparent support.
55. A photographic product as defined in claim 49 wherein said anti-reflection coating has an index of refraction at least 0.20 less than said transparent support.
56. A photographic product as defined in claim 55 wherein said anti-reflection coating has an index of refraction at least 0.25 to 0.3 less than said transparent support.
57. A photographic product as defined in claim 49 wherein said anti-reflection coating has an index of refraction of about 1.3 to about 1.4.
58. A photographic product as defined in claim 40 wherein said anti-reflection coating has an index of refraction of about 1.3 to about 1.4.
59. A photographic product as defined in claim 40 wherein said transparent support is cellulose acetate.
60. A photographic product as defined in claim 40 wherein said anti-reflection coating comprises a fluorinated polymer.
61. A photographic product comprising a first support; a red-sensitive silver halide emulsion; a green-sensitive silver halide emulsion; and a blue-sensitive silver halide emulsion; said silver halide emulsions having associated therewith, respectively, a cyan dye developer, a magenta dye deveLoper and a yellow dye developer; an image-receiving layer for receiving image dyes transferred thereto by diffusion as a function of exposure and development of said silver halide emulsion layers, a second support which is transparent and through which said image-receiving layer may be viewed; a rupturable container releasably holding a processing composition adapted, upon distribution between predetermined layers of said film to develop said silver halide emulsions and to effect the formation of a transfer image in dye in said image-receiving layer, said processing composition also being adapted to provide a permanent laminate including said developed silver halide emulsions and said image-receiving layer; and means providing a light-reflecting layer between said image-receiving layer and said silver halide emulsions effective to provide a white background for viewing said transfer image and for masking said developed silver halide emulsions; said product including an anti-reflection coating on the outer surface of said transparent support.
62. A photographic product as defined in claim 61 wherein said means for providing a light-reflecting layer comprises a white pigment dispersed in said processing composition.
63. A photographic product as defined in claim 61 wherein said first support is opaque.
64. A photographic product as defined in claim 61 wherein said transparent support has an index of refraction of at least about 1.6.
65. A photographic product as defined in claim 64 wherein said transparent support is a polyester.
66. A photographic product as defined in claim 65 wherein said polyester is polyethylene terephthalate.
67. A photographic product as defined in claim 64 wherein said transparent support is polystyrene.
68. A photographic product as defined in claim 61 wherein said anti-reflection coating has an index of refraction at least 0.20 less than said transparent support.
69. A photographic product as defined in claim 61 wherein said anti-reflection coating has an index of refraction of about 0.25 to 0.3 less than said transparent support.
70. A photographic product as defined in claim 64 wherein said anti-reflection coating has an index of refraction at least 0.20 less than said transparent support.
71. A photographic product as defined in claim 70 wherein said anti-reflection coating has an index of refraction at least 0.25 to 0.3 less than said transparent support.
72. A photographic product as defined in claim 64 wherein said anti-reflection coating has an index of refraction of about 1.3 to about 1.4.
73. A photographic product as defined in claim 61 wherein said anti-reflection coating has an index of refraction of about 1.3 to about 1.4.
74. A photographic product as defined in claim 61 wherein said transparent support is cellulose acetate.
75. A photographic product as defined in claim 61 wherein said anti-reflection coating comprises a fluorinated polymer.
76. A photographic product as defined in claim 61 wherein said anti-reflection coating comprises an inorganic material.
77. A photographic product as defined in claim 61 wherein said transparent support and said image-receiving layer comprise a separate element adapted to be brought into superposed relationship with said silver halide emulsions.
78. A photographic product as defined in claim 61 wherein said layers are held in fixed relationship between said supports prior to and during exposure.
79. A photographic product as defined in claim 78 wherein said fixed relationship is provided by binder means along at least two parallel sides of said product.
80. A photographic product as defined in claim 78 wherein said product is a laminate of said layers between said first and said second supports, the bond between a pair of predetermined layers being weaker than the bonds between the other layers, said rupturable container being so positioned as to release said processing composition for distribution between said pair of layers.
81. A photographic product as defined in claim 61 wherein said silver halide emulsions are present as separate planar layers.
82. A photographic product as defined in claim 61 wherein said silver halide emulsions are present in the form of minute elements arranged in side-by-side relationship in a photosensitive screen pattern.
83. A photographic product as defined in claim 81 wherein said blue-sensitive silver halide emulsion layer is between said image-receiving layer and said other silver halide emulsion layers.
84. A photographic product as defined in claim 81 wherein said blue-sensitive silver halide emulsion layer is between said first support and said other silver halide emultion layers, and said first support is transparent.
85. A photographic product as defined in claim 84 wherein said transparent first support carries an anti-reflection coating on the outer surface thereof.
86. A method of forming a diffusion transfer dye image by developing an exposed silver halide emulsion, forming an imagewise distribution of a diffusible dye image-providing substance as a function of said development, and transferring at least a portion of said imagewise distribution of diffusible dye image-providing substance to an image-receiving layer in superposed relationship with said silver halide emulsion to provide said dye image, said image-receiving layer and said silver halide emulsion forming a permanent laminate including a light-reflecting layer positioned between said image-receiving layer and said silver halide emulsion, the step of said exposure of said silver halide emulsion being effected through a transparent support having an anti-reflection coating on the outer surface thereof.
87. A method as defined in claim 86 wherein said diffusion transfer dye image is viewed through said transparent support and said anti-reflection coating.
88. The method as defined in claim 86 wherein said diffusible dye image-providing substance is a dye developer.
89. The method as defined in claim 86 wherein a red-sensitive silver halide emulsion, a green-sensitive silver halide emulsion and a blue-sensitive silver halide emulsion are present, said silver halide emulsions having associated therewith, respectively, a cyan dye developer, a magenta dye developer, and a yellow dye developer, and said dye image is a multicolor image.
90. A method as defined in claim 86 wherein said exposure is effected in a camera having an image reversing optical system utilizing mirror optics.
91. A method of forming a photographic image comprising photoexposing a silver halide emulsion and thereafter developing said exposed silver halide emulsion, the step of said photoexposure being effected through a transparent support having an anti-reflection coating on the outer surface thereof.
92. A method as defined in claim 91 wherein said exposure is effected in a camera having an image reversing optical system utilizing mirror optics.
93. A method of forming a diffusion transfer image by developing an exposed silver halide emulsion, forming an imagewise distribution of a diffusible image-providing substance as a function of said development, and transferring at least a portion of said imagewise distribution of diffusible image-providing substance to an image-receiving layer in superposed relationship with said silver halide emulsion to provide said diffusion transfer image, said exposure of said silver halide emulsion being effected through a transparent support having an anti-reflection coating on the outer surface thereof.
94. A method as defined in claim 93 wherein said transparent support carries said image-receiving layer.
95. A method as defined in claim 93 wherein said transparent support carries said silver halide emulsion.
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