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Browse by Category: Main > Chemistry
Class Information
Number: 430/957
Name: Radiation imagery chemistry: process, composition, or product thereof > Precursor compound > Development inhibitor releaser (dir)
Description: Art collection involving the use of a precursor functioning to release a development inhibitor.










Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
7198889 High-speed positive-working photothermographic system comprising an accelerating agent Apr. 3, 2007
7183024 High-speed positive-working photothermographic system Feb. 27, 2007
7175975 Photographic material with improved development inhibitor releases Feb. 13, 2007
7108964 Compound containing an anthranilic acid blocking group Sep. 19, 2006
7022441 Silver-free black-and-white thermographic materials containing a benzoquinone and methods of imaging Apr. 4, 2006
6974662 Thermal base precursors Dec. 13, 2005
6962763 Silver-free black-and-white thermographic materials Nov. 8, 2005
6929906 Silver halide color photosensitive material Aug. 16, 2005
6924091 Silver halide photographic lightsensitive material Aug. 2, 2005
6759187 Imaging element containing a blocked photographically useful compound Jul. 6, 2004
6756192 Imaging element containing a blocked photographically useful compound Jun. 29, 2004
6660465 Yellow coupler and silver halide color photographic lightsensitive material containing the same Dec. 9, 2003
6620580 Color negative element containing triple-coated blue record and method of imaging using same Sep. 16, 2003
6610450 Thermally developable imaging system comprising a blocked color-forming agent in association with a hydroxy-substituted aromatic compound for promoting image formation Aug. 26, 2003
6534226 Imaging element containing a blocked photographically useful compound Mar. 18, 2003
6500590 Dual process compatible color photothermographic element comprising dry thermal development Dec. 31, 2002
6482582 Image recording material Nov. 19, 2002
6440618 Imaging element containing a blocked photographically useful compound Aug. 27, 2002
6426179 Imaging element containing a blocked photographically useful compound Jul. 30, 2002
6403293 Silver halide color photographic light sensitive material Jun. 11, 2002
6379880 Heat-developable photosensitive material Apr. 30, 2002
6379879 Color photographic silver halide material Apr. 30, 2002
6379876 Thermally processable imaging element comprising an ion exchanged reducing agent Apr. 30, 2002
6372421 Photothermographic imaging element having improved contrast and methods of image formation Apr. 16, 2002
6346371 Photographic element containing a DIR coupler Feb. 12, 2002
6319640 Imaging element containing a blocked photographically useful compound Nov. 20, 2001
6309811 Color photographic element containing nitrogen heterocycle derivative and inhibitor releasing coupler Oct. 30, 2001
6306551 Imaging element containing a blocked photographically useful compound Oct. 23, 2001
6303261 Silver halide color photographic material and image forming method using the same Oct. 16, 2001
6280919 Photographic element containing a stable aryloxypyrazolone coupler and process employing the same Aug. 28, 2001
6261750 Silver halide color light-sensitive material Jul. 17, 2001
6242168 Silver halide color photographic light-sensitive elements having improved image quality Jun. 5, 2001
6238855 Photographic element containing a DIR coupler May. 29, 2001
6228572 Color photographic element containing ballasted mercaptodiazole derivative and inhibitor releasing coupler May. 8, 2001
6218097 Color photographic silver halide material Apr. 17, 2001
6197488 Color photographic element containing a coupler releasing derivative with at least three heteroatoms with specific hydrophobicity Mar. 6, 2001
6190849 Photographic element containing ballasted tetrazole derivative and inhibitor releasing coupler Feb. 20, 2001
6190853 Photographic elements containing novel yellow couplers Feb. 20, 2001
6174662 Combinations of purine-releasing pyrazolone DIR couplers and pyrazolone of pyrazolotriazole imaging couplers Jan. 16, 2001
6174656 Silver halide photographic light-sensitive material, aromatic aldehyde derivative compound, and image-forming method Jan. 16, 2001
6171772 Silver halide color photosensitive material Jan. 9, 2001
6171771 Photographic element containing a DIR coupler Jan. 9, 2001
6159672 Photographic material having a blue sensitive coupler starved unit Dec. 12, 2000
6156490 Photographic element containing a stable aryloxypyrazolone coupler and process employing same Dec. 5, 2000
6153369 Photographic element containing pyrazolone pug releasing coupler and imaging process employing same Nov. 28, 2000
6150077 Photographic elements containing release compounds Nov. 21, 2000
6150078 Photographic element containing pyrazolone PUG releasing coupler and imaging process employing same Nov. 21, 2000
6150079 Color photographic recording material Nov. 21, 2000
6146820 Photographic element containing a DIR coupler Nov. 14, 2000
6130031 Photographic element containing a benzolylacetanilide DIR coupler Oct. 10, 2000

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