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| Number | Title | Issue Date |
| 7225926 | Cleaning container for photographic treatment composition A method and apparatus for cleaning treatment composition containers are disclosed which are capable of taking out photographic treatment compositions in the form of powder, granules, tablets or slurry from the containers without adhesion of the components to the in... | 06/05/2007 |
| 7186497 | Developer composition for lithographic printing plate A developer composition for a lithographic printing plate comprising on an aluminum plate support a photosensitive layer which comprises an ethylenically unsaturated monomer, a photopolymerization initiator and a polymeric binder is disclosed, wherein the developer ... | 03/06/2007 |
| 7160674 | Photographic chemicals bundle A bundle for simultaneous refilling of chemicals for processing color photography silver halide materials in an automatic processing apparatus, wherein the bundle comprises at least one bottle with the refilling solution for a color developer and at least two bottle... | 01/09/2007 |
| 7118850 | Color developer replenisher and concentrated composition for color photographic material A concentrated composition of a color developer replenisher for a silver halide color photographic material, the composition comprising a single solution, wherein the solution comprises 0.14 mol/liter or more of a p-phenylenediamine color developing agent, the solut... | 10/10/2006 |
| 7101928 | Polymeric thickeners for oil-containing compositions Novel thickeners for oil-containing compositions are crystalline polymers, preferably side chain crystalline polymers, which (a) have a crystalline melting point, Tp, and an onset of melting temperature, To, such that Tp−To | 09/05/2006 |
| 7078162 | Developer regenerators The present invention provides an aqueous regenerator for addition to an aqueous developer that contains an organic solvent, a dispersing agent and a weak base, and has a pH of between about 8 and less than about 13. The aqueous regenerator includes an organic solve... | 07/18/2006 |
| 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 |
| 6998227 | Color developer concentrate for color film processing An aqueous, homogeneous, single-part color developing concentrate comprises a color developing agent in free base form and an organic antioxidant. The concentrate also includes a water-miscible or water-soluble organic co-solvent and a quaternary ammonium salt to en... | 02/14/2006 |
| 6902876 | Concentrated color developer composition used for silver halide photographic material and processing method by use thereof A color developer concentrate composition is disclosed, comprising a color developing agent, a sulfite and a compound represented by formula (1), the color developing agent concentration 0.02 to 0.2 mol/l and the sulfite concentration meeting the following requireme... | 06/07/2005 |
| 6900004 | Concentrated color developer composition used for silver halide photographic sensitized material and processing method by use thereof A one-part photographic developing concentrate comprising: (i) a paraphenylene diamine color developing agent; and (ii) a water-soluble organic solvent, wherein a molar ratio of sodium ion to potassium ion is at least 3, and a molar ratio of sulfate ion to carbonate... | 05/31/2005 |
| 6884572 | Concentrated color developer composition and processing method by use thereof A concentrated color developer composition packed in a container which is comprised of material exhibiting an oxygen permeability of not more than 50 ml/(m2·day·atm), and the concentrated color developer composition comprising a hydroxyalkyl-substituted... | 04/26/2005 |
| 6770429 | Single part color photographic developer concentrate A single-part, single-phase liquid color developer concentrate for color photographic development having at least one color developing agent of p-phenylenediamine or a derivative or salt thereof, an aqueous solution containing one or more organic solvents in a weigh... | 08/03/2004 |
| 6733960 | Digital film processing solutions and method of digital film processing An aqueous developer solution for use in digital film processing. The developer solution includes a developing agent and at least one surfactant or thickener. A method of processing a photographic film is also provided, and includes the steps of coating an aqueous d... | 05/11/2004 |
| 6706467 | Coating fluid for imaging element comprising solubilized collagen gelatin colloidal dispersion An aqueous coating fluid is described comprising gelatin at a concentration of at least 1 wt % and a colloidal particle dispersed material phase at a volume fraction of at least 0.01, wherein at least 20% of the gelatin comprises a gelatin prepared from hydrolysis o... | 03/16/2004 |
| 6664036 | Homogeneous single-part color developer per color film processing and method of using same An aqueous, homogeneous, single-part color developing concentrate comprises a color developing agent in free base form and an N,N-dialkyl- or N,N-diarylhydroxylamine antioxidant that has at least one solubilizing substituent. The concentrate also includes... | 12/16/2003 |
| 6602655 | Black-and-white developing compositions and methods of use A concentrated black-and-white photographic developing composition has improved stability, is compatible with the environment and provides desired sensitometric properties with a combination of particular antifoggants. These antifoggants include a mercapt... | 08/05/2003 |
| 6593070 | Image forming process An image formation process is disclosed, comprising overlapping an imagewise exposed silver halide photographic material onto a processing element with an aqueous medium being present between the photographic material and the processing element to perform... | 07/15/2003 |
| 6555300 | Image formation process An image formation process of a silver halide color photographic light sensitive material is disclosed, rising coating a processing solution containing a color loping agent onto the exposed photographic material in a coating section to perform development... | 04/29/2003 |
| 6551767 | Process for preparing p-phenylenediamine color developers in a concentrated free-base form An improved method for making a p-phenylenediamine color developer concentrate in a free-base form wherein the sulfate or chloride salt of the color developer is contacted with an alkali metal hydroxide includes the steps of forming a liquid free-base lay... | 04/22/2003 |
| 6548235 | Stabilized solution of an alkali metal or alkaline earth metal salt of p-phenylenediamine color developer and method of making same A stabilized solution of an alkali metal or alkaline earth metal salt of N-ethyl-N-2-(methanesulfonylaminoethyl)-2-methyl-p-phenylenediamine includes from about 10 to 40 weight percent of an alkali metal or alkaline earth metal salt of N-ethyl-N-2-(methan... | 04/15/2003 |
| 6518003 | Three-part concentrated photographic color developing kit and methods of use A three-part color developing kit includes (I) a first concentrated aqueous solution having a pH of from about 11 to about 13.5 and comprising at least 0.25 mol/l of sulfite ions, at least 2.5×10-5 mol/l of iodide ions, at least 0.05 mol/l of ... | 02/11/2003 |
| 6509143 | Concentrated photographic color developing composition containing stain reducing agent Concentrated aqueous photographic color developing compositions include a photographic color developing agent in free base form and a compound represented by Structure I ##STR1## wherein R is carboxy or sulfo, m is an integer of from 0 to 7, and n is an ... | 01/21/2003 |
| 6468724 | Color photographic developer concentrate A two-part color photographic developer concentrate in which part 1 contains at least one antioxidant selected from the group consisting of diethylhydroxylamine and diethylhydroxylamine disulfo acid, at least one auxiliary solvent, at least one optical br... | 10/22/2002 |
| 6468723 | Concentrate comprising a p-phenylenediamine derivative A concentrated aqueous solution of a p-phenylenediamine derivative, which a) has a pH higher than 12.5, b) contains 0.4 to 1.1 mol p-phenylenediamine derivative/litre, c) contains 0.05 to 2 mol of an antioxidant/litre, d) contains at most 35% by weight of... | 10/22/2002 |
| 6416940 | Calcium ion stable photographic color developing composition and method of use A color developing composition is stable in the presence of calcium ion because of the presence of two specific types of polyphosphonic acid sequestering agents. The composition also comprises a color developing agent in free base form and an antioxidant ... | 07/09/2002 |
| 6413703 | Color photographic developer concentrate A one-part colour developer concentrate which contains at least one colour developer substance, at least one antioxidant, at least one water softener, a buffer system, alkali, which concentrate contains at most 0.1 mol of sulfate ions/L, is usable for a w... | 07/02/2002 |
| 6387607 | Compact color photographic developer concentrate and solid component therefor A compact developer concentrate composition for color photographic development that has a reduced number of parts is described. The compact developer concentrate composition includes a concentrate and a coated solid. The coating of the solid remains insol... | 05/14/2002 |
| 6316171 | Aqueous developer for lithographic printing plates The invention is directed to an aqueous developing composition which is useful in developing negative-working lithographic printing plates. More particularly, the developing composition includes an organic solvent, a surfactant, and a gelatin, which is pr... | 11/13/2001 |
| 6312878 | Color photographic developer kit This invention concerns a kit for the development of color photographic products. The kit comprises a basic solution containing an antifogging agent, and a second solution containing a color developing agent. This kit allows an easier preparation of the d... | 11/06/2001 |
| 6274300 | Concentrated liquid color developer composition for silver halide color photographic material and development processing method A concentrated liquid color developer composition for a silver halide color photographic material which comprises at least one compound represented by the following formula (I) or (II): R1 --(OC2 H4)n --OH (I) where... | 08/14/2001 |
| 6251574 | Color photographic developer concentrate A one-part, multi-phase colour developer concentrate having an aqueous phase and an organic phase, wherein the organic phase is constituted by a carboxylic acid amide or urea derivative which is liquid at room temperature and the concentrate contains at l... | 06/26/2001 |
| 6251573 | Color photographic developer concentrate A one-part color developer concentrate which comprises at least two phases and which is free from precipitates at 20° C., which contains at least one color developer substance, at least one antioxidant, at least one anti-lime agent, a buffer system and a... | 06/26/2001 |
| 6228567 | Homogeneous photographic color developing concentrate A homogeneous color developing concentrate comprises a color developing agent in free base form, an antioxidant for the color developing agent and a water-miscible or water-soluble hydroxy-substituted, straight-chain organic solvent. This concentrate is p... | 05/08/2001 |
| 6100016 | Developer for irradiated, radiation-sensitive recording materials The invention relates to a developer for irradiated, radiation-sensitive recording materials, in particular for the production of offset printing plates, which contains water, a compound which is alkaline in aqueous solution and a copolymer which acts as ... | 08/08/2000 |
| 6077653 | Photographic developing compositions and methods of using 1,4-cyclohexanediones as antioxidants Certain 1,4-cyclohexanediones are useful as antioxidants in photographic developing compositions. These compounds stabilize the compositions, are water soluble and are essentially odorless. These antioxidants can be used in either black and white or color... | 06/20/2000 |
| 6077651 | Homogeneous single-part photographic color developing concentrate and method of making An aqueous, homogeneous, single-part color developing concentrate comprises a color developing agent in free base form, an antioxidant for the color developing agent, a buffering agent, and a water-miscible or water-soluble hydroxy-substituted, straight-c... | 06/20/2000 |
| 6043007 | Color developer composition for photography Disclosed is a color developer composition for photography which is used for preparing a color development replenisher; with the composition comprising at least one color developing agent selected from the group consisting of 4-amino-3-methyl-N-ethyl-N-(&... | 03/28/2000 |
| 6020113 | Process for producing photographic suspended processing agent composition A process for producing a photographic suspended processing agent composition is disclosed, comprising dividing the constituent components of the composition into a plurality of component groups, dissolving respective component groups in water to prepare ... | 02/01/2000 |
| 6017687 | Low replenishment color development using chloride ion-free color developer concentrate An aqueous, homogeneous, single-part, chloride ion-free color developing concentrate comprises a color developing agent in free base form, an antioxidant for the color developing agent, a buffering agent, and a water-miscible or water-soluble hydroxy-subs... | 01/25/2000 |
| 6010835 | Kit for photographic color developing bath This invention relates to a 3-part kit preparing for a photographic developing bath for the processing of color photographic materials. The kit of this invention affords an efficient ready-to-use developing solution.... | 01/04/2000 |
