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Browse by Category: Main > Chemistry
Class Information
Number: 430/506
Name: Radiation imagery chemistry: process, composition, or product thereof > Radiation sensitive product > Two or more radiation-sensitive layers containing other than that characterized by the composition of a single sensitive layer > Layers sensitive to different spectral regions > And containing plural layers sensitive to the same spectral region
Description: Subject matter further containing at least two layers which respond to the same portion of the electromagnetic spectrum.










Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
5512103 Silver halide color photography element with improved high density contrast and bright low density colors Apr. 30, 1996
5476759 Silver halide color photographic material Dec. 19, 1995
5474881 Silver halide photographic light sensitive element for medical radiography Dec. 12, 1995
5466566 Silver halide color photographic material Nov. 14, 1995
5466566 Silver halide color photographic material Nov. 14, 1995
5462842 Photographic element having a blue light sensitive layer containing a particular yellow dye-forming coupler and a magenta image dye-forming coupler Oct. 31, 1995
5460932 Photographic elements containing development accelerators and release compounds that release development inhibitors Oct. 24, 1995
5457007 Color imaging process using laser exposure to achieve subtle color density gradations Oct. 10, 1995
5455151 Color photographic silver halide material Oct. 3, 1995
5445928 Color photographic recording material Aug. 29, 1995
5441857 Color photographic recording material Aug. 15, 1995
5437969 Color photographic recoding material Aug. 1, 1995
5437968 Silver halide color photographic light-sensitive material Aug. 1, 1995
5429915 Silver halide color photographic light-sensitive material comprising a red-sensitive silver halide emulsion layer unit having at least 3 sublayers of different sensitivity Jul. 4, 1995
5422231 Photographic product Jun. 6, 1995
5418118 Silver halide color photographic element with improved high density contrast and bright low density colors May. 23, 1995
5399469 Spatially fixed absorber dyes in less sensitive layers Mar. 21, 1995
5399468 Color photographic silver halide duplicating element and process Mar. 21, 1995
5391469 Radiographic elements exhibiting reduced pressure induced variances in sensitivity Feb. 21, 1995
5391443 Process for the extraction of spectral image records from dye image forming photographic elements Feb. 21, 1995
5389503 Photographic elements for producing blue, green, and red exposure records of the same hue Feb. 14, 1995
5389504 Color photographic elements containing a combination of pyrazolone and pyrazoloazole couplers Feb. 14, 1995
5389506 Elements and processes for producing superior photographic records Feb. 14, 1995
5389499 Photographic material having faithful rendition of the red color Feb. 14, 1995
5389505 Silver halide photographic material Feb. 14, 1995
5387500 Color photographic elements containing a combination of pyrazoloazole couplers Feb. 7, 1995
5382499 Color reversal photographic elements adapted for underwater photography Jan. 17, 1995
5382501 Silver halide color photographic light-sensitive material Jan. 17, 1995
5378591 Reversal color photographic material Jan. 3, 1995
5376515 Silver halide color photographic light-sensitive material Dec. 27, 1994
5372920 Photographic material having contiguous red layers Dec. 13, 1994
5370979 Silver halide color photographic light-sensitive material Dec. 6, 1994
5368994 Silver halide photographic material Nov. 29, 1994
5360704 Color photographic recording material Nov. 1, 1994
5360703 Multicolor photographic elements exhibiting an enhanced characteristic curve shape Nov. 1, 1994
5322766 Color photographic recording material Jun. 21, 1994
5314794 Elements and processes for producing superior photographic records May. 24, 1994
5314793 Multicolor photographic elements exhibiting an enhanced speed-granularity relationship May. 24, 1994
5314792 Photographic element and process providing improved color rendition May. 24, 1994
5308747 Photographic silver halide material comprising tabular grains and positioned absorber dyes May. 3, 1994
5306605 Photographic recording material Apr. 26, 1994
5302499 Photographic silver halide material comprising tabular grains of specified dimensions in several color records Apr. 12, 1994
5284740 Silver halide color photographic material Feb. 8, 1994
5283164 Color film with closely matched acutance between different color records Feb. 1, 1994
5273870 Color photographic negative recording material containing DIR compounds Dec. 28, 1993
5272049 Silver halide color photographic light-sensitive material and image forming method Dec. 21, 1993
5270152 Photographic material having faithful rendition of the red color Dec. 14, 1993
5268262 Silver halide photographic material Dec. 7, 1993
5266451 Color photographic recording material Nov. 30, 1993
5262287 Silver halide color reversal photographic material capable of providing interimage effect Nov. 16, 1993

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