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Inventor:
Haye; Shirleyanne E.
Address:
Rochester, NY
No. of patents:
25
Patents:












Patent Number Title Of Patent Date Issued
6958208 Methods of providing color photographic image using acidic stop and rinse solutions October 25, 2005
Photographic processing of color photographic materials can be carried out using polyphosphonic acids or salts thereof in acidic "stop" solutions or wash solutions after color development. When used in acidic stop solutions, the polyphosphonic acid is preferably carried over into the
6852477 Photographic peracid bleaching composition, processing kit, and method of use February 8, 2005
A composition for photographic bleaching contains a peracid bleaching agent such as a peroxide, persulfate, or periodate, and a cyclicaminomethanediphosphonic acid or a salt thereof as a stabilizing compound. This bleaching composition can also include a fixing agent, and can be used
6828084 Odorless photographic bleaching composition and color photographic processing December 7, 2004
A photographic bleaching composition has reduced odor and acceptable storage stability. It comprises an iron-ligand complex bleaching agent, a rehalogenating agent, and a phthalic acid or salt thereof. This bleaching composition can be used in various photographic processing protocols to
6803179 Photographic color developing composition containing calcium ion sequestering agent combination October 12, 2004
Concentrated and working strength photographic color developing compositions are stabilized with the inclusion of two specific types of calcium ion sequestering agents. One of the sequestering agents is a polyelectrolyte such as a polycarboxylic acid or salt thereof having a molecula
6727051 Odorless photographic bleach-fixing composition and method of use April 27, 2004
A photographic bleach-fixing composition has reduced odor and acceptable storage stability. It comprises an iron-ligand complex bleaching agent, thiosulfate fixing agent, sulfite ions, and a phthalic acid or salt thereof. This bleach-fixing composition can be used in various photogra
6703192 Photographic peracid bleaching composition, processing kit, and method of use March 9, 2004
A composition for photographic bleaching contains a peracid bleaching agent such as a peroxide, persulfate, or periodate, and a cyclicaminomethanediphosphonic acid or a salt thereof as a stabilizing compound. This bleaching composition can also include a fixing agent, and can be used
6673528 Ascorbic acid developing compositions containing sugar and methods of use January 6, 2004
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 is essentially free of hydroquinone and similar developing agents. It comp
6660461 Stabilized amplified color developing composition, multi-part kits, and method of use December 9, 2003
An amplified color developing composition is stabilized with a cyclicaminomethanediphosphonic acid or salt thereof alone of in combination with other stabilizing compounds. This composition also comprises a color developing agent, a redox oxidizing agent (such as hydrogen peroxide),
6645709 Photographic color developing composition containing calcium ion sequestering agent combination November 11, 2003
Concentrated and working strength photographic color developing compositions are stabilized with the inclusion of two specific types of calcium ion sequestering agents. One of the sequestering agents is a polyelectrolyte such as a polycarboxylic acid or salt thereof having a molecula
6623915 Stable photographic color developing composition and method of use September 23, 2003
Concentrated and working strength photographic color developing compositions are stabilized with the inclusion of a sulfur compound as a preservative for a color developing agent. The preservative can be represented by one of the following Structures I, II, III, and IV:wherein R is a div
6599688 Stable photographic color developing composition and method of use July 29, 2003
Concentrated and working strength photographic color developing compositions are stabilized with the inclusion of an .alpha.-ketocarboxylic acid or salt thereof, such as pyruvic acid or a salt thereof. These compositions can be used to process color photographic materials.
6573035 Stable multi-part photographic color developing composition and method of use June 3, 2003
A multi-part (two-part or three-part) color developing kit includes aqueous solutions containing sulfite ions and a color developing agent. An .alpha.-ketocarboxylic acid or salt thereof, such as pyruvic acid or a salt thereof, is included in one or more of the aqueous solutions. These
6541190 Odorless photographic fixing composition and method of use April 1, 2003
A photographic fixing composition has reduced odor and improved storage stability. It comprises a thiosulfate fixing agent, sulfite ions, and a phthalic acid or salt thereof. This fixing composition can be used in various photographic processing protocols to provide color images from
6518003 Three-part concentrated photographic color developing kit and methods of use February 11, 2003
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.times.10.sup.-5 mol/l of iodide ions, at least 0.05 mol/l of bromide ions, and at least 0.5 mol
6503696 Calcium ion stable photographic color developing composition and method of use January 7, 2003
A color developing composition is stable in the presence of calcium ion because of the presence of a specific polyphosphonic acid sequestering agent. The composition also comprises a color developing agent in free base form and an antioxidant for the color developing agent. The calcium
6489090 Stabilized ascorbic acid developing compositions and methods of use December 3, 2002
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 essentially free of hydroquinone
6444414 Ascorbic acid developing compositions stabilized with sulfo compound and methods of use September 3, 2002
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 essentially free of hydroquinone
6416940 Calcium ion stable photographic color developing composition and method of use July 9, 2002
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 for the color developing agent.
6403290 Calcium ion stable photographic color developing composition and method of use June 11, 2002
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 for the color developing agent.
6037111 Lithium and magnesium ion free color developing composition and method of photoprocessing March 14, 2000
A photographic color developing composition includes a color developing agent, an organic antioxidant and at least 0.0005 mol/l of a polyaminopolyphosphonic acid calcium ion sequestering agent that has at least four phosphonic acid (or salt) groups. In addition, the total concentrati
5994039 Black-and-white photographic developing composition and a method for its use November 30, 1999
Black-and-white elements, such as radiographic films, can be processed rapidly using a black-and-white developing composition containing a hydroquinone developing agent, and specific amounts of sulfite and borate ions. Thus, the molar ratio of sulfite ions to borate ions is less than
5691118 Color paper processing using two acidic stop solutions before and after bleaching November 25, 1997
Low silver color photographic papers are processed with separate bleaching and fixing steps wherein the bleaching solution is a peroxide solution. Prior to and after the bleaching step, and before fixing, the color papers are treated with acidic solutions to reduce blue record Dmin.
5614355 Peroxide composition and method for processing color photographic elements containing predominan March 25, 1997
Color photographic elements containing predominantly chloride (greater than or equal to 90 mole %) silver halide emulsions are effectively and rapidly processed using a peroxide bleaching solution which also contains at least 0.45 mol of chloride ion per liter of solution.
5550009 Stabilized peroxide bleaching solutions and their use for processing of photographic elements August 27, 1996
Color photographic elements are bleached after exposure and development by using a peroxide bleaching solution. This solution comprises a peroxide bleaching agent, chloride ions in an amount of at least 0.35 mol/l, a first acid which is a which is an organic phosphonic acid or a salt
5541041 Stabilized peroxide bleaching solutions containing multiple chelating ligands and their use for July 30, 1996
Color photographic elements are bleached after exposure and development by using a peroxide bleaching solution. This solution comprises a peroxide bleaching agent, chloride ions in an amount of at least 0.35 mol/l, a first acid which is an organic phosphonic acid and a second acid which










 
 
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