Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
312 words
A radiographic element comprised of a film support having first and second major surfaces and capable of transmitting radiation to which the radiographic element is responsive and, coated on each of the major surfaces, processing solution permeable hydrophilic colloid layers which are fully forehardened including at least one emulsion comprised of silver halide grains coated at a coverage capable of providing an overall radiographic element maximum density on processing in the range of from 3 to 4, a spectral sensitizing dye adsorbed by the silver halide grains, and a particulate dye (a) capable of absorbing radiation to which the silver halide grains are responsive, (b) present in an amount sufficient to reduce crossover to less than 15 percent, and (c) capable of being substantially decolorized during processing, wherein from 19 to 33 mg/dm 2 of hydrophilic colloid is coated on each of the major surfaces of the support, first and second of the hydrophilic colloid layers are coated on each major surface of the support with the first layers located nearer the support than the second layers, the second layers contain (a) silver halide grains accounting for from 30 to 70 percent of the total weight of the second layers, including tabular grains having a thickness of less than 0.3 μm which have an average aspect ratio of greater than 5 and accounting for greater than 50 percent of total grain projected area within the second layers, and (b) from 20 to 80 percent of the total silver forming the silver halide grains within the radiographic element, the first layers contain (a) the dye particles and (b) from 20 to 80 percent of the total silver forming the silver halide grains within the radiographic element, and the dye particles and the silver halide grains together account for from 30 to 70 percent of the total weight of each of the first layers.
Claim 2
Dependent Claim
312 words
A radiographic element comprised of a film support having first and second major surfaces and capable of transmitting radiation to which the radiographic element is responsive and, coated on each of the major surfaces, processing solution permeable hydrophilic colloid layers which are fully forehardened including at least one emulsion comprised of silver halide grains coated at a coverage capable of providing an overall radiographic element maximum density on processing in the range of from 3 to 4, a spectral sensitizing dye adsorbed by the silver halide grains, and a particulate dye (a) capable of absorbing radiation to which the silver halide grains are responsive, (b) present in an amount sufficient to reduce crossover to less than 15 percent, and (c) capable of being substantially decolorized during processing, wherein from 19 to 33 mg/dm 2 of hydrophilic colloid is coated on each of the major surfaces of the support, first and second of the hydrophilic colloid layers are coated on each major surface of the support with the first layers located nearer the support than the second layers, the second layers contain (a) silver halide grains accounting for from 30 to 70 percent of the total weight of the second layers, including tabular grains having a thickness of less than 0.3 μm which have an average aspect ratio of greater than 5 and accounting for greater than 50 percent of total grain projected area within the second layers, and (b) from 20 to 80 percent of the total silver forming the silver halide grains within the radiographic element, the first layers contain (a) the dye particles and (b) from 20 to 80 percent of the total silver forming the silver halide grains within the radiographic element, and the dye particles and the silver halide grains together account for from 30 to 70 percent of the total weight of each of the first layers.
Claim 3
Dependent Claim
24 words
A radiographic element according to claim 1 wherein the particulate dye is present as particles capable of reducing crossover to less than 10 percent.
Claim 4
Dependent Claim
20 words
A radiographic element according to claim 1 wherein the tabular grains having an average thickness of at least 0.1 μm.
Claim 5
Dependent Claim
32 words
A radiographic element according to claim 1 wherein the tabular grains having an average aspect ratio of greater than 8 and account for at least 70 percent of total grain projected area.
Claim 6
Dependent Claim
33 words
A radiographic element according to claim 1 wherein the hydrophilic colloid is coated on each of the major surfaces of the support at a coverage of from 25 to 33 mg/dm 2 .
Claim 7
Dependent Claim
33 words
A radiographic element according to claim 5 wherein the hydrophilic colloid is coated on each of the major surfaces of the support at a coverage of from 30 to 33 mg/dm 2 .
Claim 8
Dependent Claim
26 words
A radiographic element according to claim 1 wherein silver halide grains account for from 40 to 60 percent of the total weight of the second layers.
Claim 9
Dependent Claim
31 words
A radiographic element according to claim 1 wherein silver halide grains in the first layers account for from 30 to 70 percent of the silver halide grains within the radiographic element.
Claim 10
Dependent Claim
34 words
A radiographic element according to claim 1 wherein the dye particles and silver halide grains in the first emulsion layers account for 40 to 60 percent of the total weight of the first layers.
Claim 11
Dependent Claim
49 words
A radiographic element according to claim 1 wherein the radiographic element can be processed by the following processing cycle: ______________________________________
development 11.1 seconds at 40° C.
fixing 9.4 seconds at 30° C.
washing 7.6 seconds at room temperature
drying 12.2 seconds at 67.5° C.
______________________________________ employing a hydroquinone-pyrazolidinone developer.