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| Number | Title | Issue Date |
| 7014373 | Photographic processing arrangement and a processing solution supply cartridge for the processing arrangement The present invention relates to a processing solution supply cartridge which utilizes a single container for a single-part developer concentrate. The single container has at least two valves or necks and is adapted to be utilized on a existing processor or processi... | 03/21/2006 |
| 6790585 | Method for developing a high contrast photographic material containing a polyhydrazide nucleating agent The present invention relates to a method for developing an exposed high contrast photographic silver halide material, said photographic material comprising a support bearing at least one silver halide emulsion layer, containing at least one hydrazide nucleating age... | 09/14/2004 |
| 6759187 | Imaging element containing a blocked photographically useful compound This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I: wherein: the substituents are as defined in the application. ... | 07/06/2004 |
| 6506546 | Imaging element containing a blocked photographically useful compound This invention comprises an imaging element comprising an imaging layer having associated therewith a compound of Structure I: ##STR1## wherein PUG is a photographically useful group; LINK 1 and LINK 2 are linking groups; TIME is a timing group; T represents t... | 01/14/2003 |
| 6489090 | Stabilized ascorbic acid developing compositions and methods of use A black-and-white photographic developing composition has improved stability and is more compatible with the environment when discarded. The composition includes one or more ascorbic acid developing agents and a preservative (such as a sulfite) and is ess... | 12/03/2002 |
| 6479198 | Silver halide light-sensitive material containing tanning developing agent A silver halide light-sensitive material comprises a support and a silver halide gelatin emulsion layer. The silver halide gelatin emulsion layer or an optionally provided hydrophilic layer contains a tanning developing agent. According to the first embod... | 11/12/2002 |
| 6479199 | Processing method of silver halide photographic light sensitive material A method of processing a silver halide photographic material is disclosed, comprising on a support a light sensitive silver halide emulsion layer, wherein the light-sensitive layer contains a spectral-sensitizing dye represented by formula (1-a); a develo... | 11/12/2002 |
| 6440652 | Processing method of silver halide light sensitive photographic material A processing method of a silver halide light sensitive photographic material by the use of an automatic processor is disclosed, in which a developing solution contains a developing agent represented by the formula described below and a developer replenish... | 08/27/2002 |
| 6048674 | Coupler set for silver halide color imaging The invention provides photographic element comprising a first light sensitive silver halide emulsion layer having associated therewith a cyan dye-forming coupler, a second light sensitive silver halide emulsion layer having associated therewith a magenta... | 04/11/2000 |
| 6043006 | 4-(N,N-dialkylamino)aniline compound, photographic processing composition containing the same and color image-forming method 4-(N,N-Dialkylamino)aniline compounds of the following general formula (I): ##STR1## wherein R1 represents an alkyl group, an aryl group or a heterocyclic group, R2 to R5 each represent a hydrogen atom or a substituent, ... | 03/28/2000 |
| 5994040 | Processing composition for silver halide photographic light-sensitive material, developer and processing method using the same A processing composition for silver halide photographic light-sensitive material, which comprises at least one compound represented by the following formula (A), (A-I) or (A-II) and at least one compound represented by the following formula (B): ##ST... | 11/30/1999 |
| 5869224 | Processing of reversal materials In reversal processing, washing between the first development and the reversal bath can be avoided without any loss of photographic quality if the reversal bath is operated in countercurrent over at least two stages and hydroquinone sulfonic acid is used ... | 02/09/1999 |
| 5792598 | Photographic developing compositions and use thereof in the processing of photographic elements Photographic developing compositions are provided that are free of dihydroxybenzene developing agents and are used in the processing of photographic elements. The developing compositions have a pH in the range of from 10.1 to 10.9 and comprise at least 0.... | 08/11/1998 |
| 5773203 | 4-(N,N-dialkylamino)aniline compounds, photographic processing composition containing the same and color image-forming method Disclosed are 4-(N,N-dialkylamino)aniline compounds having a 4-N substituent which is a polyethyleneoxy group and which forms a condensed ring with benzene ring, such as aniline compounds having the following structure, a processing composition containing... | 06/30/1998 |
| 5766830 | Photographic processing method for processing a silver halide photographic light-sensitive material A method for processing an exposed black and white silver halide photographic light-sensitive material includes the steps of: (1) developing the exposed light-sensitive material with a developing solution, (2) fixing the developed material with a fixing s... | 06/16/1998 |
| 5721093 | Color developing agent, processing composition and color image-forming method A method for forming a color image comprises the step of developing an image-wise exposed silver halide color photographic photosensitive material at the presence of the following color developing agent or its analogue. According to this method, the rapid... | 02/24/1998 |
| 5700630 | Silver halide photographic material and method for processing the same A silver halide photographic material is disclosed which comprises a support having thereon at least one light-sensitive silver halide emulsion layer containing silver halide grains, a surface protective layer as an uppermost layer, and a hydrophilic coll... | 12/23/1997 |
| 5667945 | Color developing agent, silver halide photographic light-sensitive material and image forming method There is disclosed a light-sensitive material comprising, in a hydrophilic colloid provided on a base, a color-developing agent represented by formula (I): ##STR1## wherein R1 represents an alkyl group, an alkenyl group, an alkynyl gr... | 09/16/1997 |
| 5604082 | Method for processing an exposed photographic silver halide material A method has been disclosed of processing an exposed silver halide photographic material comprising at least one coated hydrophilic silver halide emulsion layer comprising tabular grains rich in chloride, bounded by [100] or [111] major faces, characteriz... | 02/18/1997 |
| 5593817 | Developing solution and method for developing an exposed silver halide photographic material A photographic developing solution and a method of developing silver halide materials in the said developing solution is disclosed, the said developing solution comprising hydroquinone in an amount from 0 to 30 g per litre, an auxiliary developer, and sil... | 01/14/1997 |
| 5589323 | Chemically stable ascorbate-based photographic developer and imaging process The invention comprises a process for forming a high contrast photographic image including the steps of imagaewise exposing a silver halide photographic element containing a hydrazine compound which functions as a nucleating agent, wherein the element is ... | 12/31/1996 |
| 5587276 | Image formation method A method for forming a silver halide photographic image comprising developing a silver halide photographic material with a developing solution containing an ascorbic acid developing agent, substantially free from hydroquinone and having a pH of 8.5 to 11.... | 12/24/1996 |
| 5578433 | Processing composition and processing method for silver halide photographic materials A method of processing a silver halide photographic material with a developer containing a compound represented by formula (A), wherein the developer further contains at least one compound represented by formula (B) or (C): ##STR1##... | 11/26/1996 |
| 5571656 | Multicolor diffusion transfer photographic film elements There is described a multicolor diffusion transfer film unit having a plurality of different color image components, each of which includes a color-sensitive silver halide emulsion in association with a corresponding image dye-providing material and a fir... | 11/05/1996 |
| 5508152 | Method for processing a silver halide photographic material A processing method is disclosed, comprising development-processing a photographic material comprising a support having thereon a silver halide emulsion layer or a constituent layer adjacent to the emulsion layer which contains (i) a silver halide composi... | 04/16/1996 |
| 5503966 | Photographic developing compositions and use thereof in the processing of photographic elements Photographic developing compositions are provided that are free of dihydroxybenzene developing agents and are used in the processing of photographic elements. The developing compositions have a pH in the range of from 10.1 to 10.9 and comprise at least 0.... | 04/02/1996 |
| 5484690 | Silver halide photographic material A silver halide photographic material is disclosed, comprising a support having thereon one or more hydrophilic colloid layers, at least one of the hydrophilic colloid layers being a silver halide emulsion layer comprising silver halide grains with a silv... | 01/16/1996 |
| 5427897 | Method for processing silver halide color photographic material A method for processing an imagewise exposed silver halide color photographic material comprising a support having thereon at least a silver halide emulsion layer containing a cyan dye-forming coupler, a silver halide emulsion layer containing a magenta d... | 06/27/1995 |
| 5338644 | Process and composition for use in photographic materials containing hydroquihones Hydroquinones form stable hydrogen-bonded complexes with N,N,N',N'-tetrasubstituted diamides of aromatic dicarboxylic acids in which two carboxyl groups are arranged para to one another on the same phenyl ring. These complexes are useful in rendering the ... | 08/16/1994 |
| 5288596 | Black and white direct positive image forming process A black and white direct positive image forming process is disclosed. The process comprises imagewise exposing to light a silver halide light sensitive material and developing the material with a black and white developing solution. The light-sensitive ma... | 02/22/1994 |
| 5278035 | Non-toxic photographic developer composition for processing x-ray films in automatic film processors A non-hydroquinone and non-alkali metal hydroxide containing developer composition for radiographic materials and a method of use thereof are provided. The developer composition comprises a developer selected from the group consisting of ascorbic acid and... | 01/11/1994 |
| 5264323 | Photographic developing solution and use thereof in the high contrast development of nucleated photographic elements An improved photographic developing solution is free of dihydroxybenzene developing agents such as hydroquinone, has a pH in the range of from 9.5 to 11.5 and comprises (1) an ascorbic acid developing agent, (2) an auxiliary super-additive developing agen... | 11/23/1993 |
| 5232823 | Method for development of silver halide light-sensitive black and white material Disclosed is a method for the development of a silver halide light-sensitive black and white material, wherein a silver halide light-sensitive material is developed in the presence of at least one compound represented by the following general formula (I):... | 08/03/1993 |
| 5206123 | High contrast developer containing an aprotic solvent A method for high contrast development of an image-wise exposed photographic element comprising a support and at least one silver halide emulsion layer, which method comprises contacting said exposed element in the presence of a hydrazine compound with an... | 04/27/1993 |
| 5147767 | Gluconic acid-based developer composition An environmentally-safe, non-toxic non-hydroquinone and non-alkali metal hydroxide containing photographic developer composition is provided comprising a developer selected from the group consisting of 2-keto gluconic acid and derivatives thereof, togethe... | 09/15/1992 |
| 5098819 | Non-toxic photographic developer composition An environmentally-safe, non-toxic non-hydroquinone and non-alkali metal hydroxide containing photographic developer composition is provided comprising a developer selected from the group consisting of ascorbic acid and sugar-type derivatives thereof, ste... | 03/24/1992 |
| 5032487 | Color light-sensitive material A color light-sensitive material comprising at least light-sensitive silver halide, a binder, a reducible dye providing compound and a reducing agent represented by the following formula (I). ##STR1## wherein R1 and R2 each repr... | 07/16/1991 |
| 4937160 | Photographic silver halide elements containing aryl hydrazides Photographic silver halide elements containing aryl hydrazides as defined for the production of images with ultrahigh contrast and a new class of aryl hydrazides with a cationic group in the aryl radical as defined. The photographic silver halide elements... | 06/26/1990 |
| 4906553 | Processing process for silver halide black and white photographic materials A process for processing a silver halide black and white photographic material, which comprises processing, after imagewise exposing, a silver halide black and white photographic material spectrally sensitized by a sensitizing dye with a processing soluti... | 03/06/1990 |
| 4863830 | Process for hard tone development of silver halide photographic light-sensitive material A process for hard tone development of a silver halide photographic light-sensitive material is described, comprising developing an imagewise exposed negative type silver halide photographic light-sensitive material in the presence of hydrazine, usig a de... | 09/05/1989 |
