Rapid Access Processing Patents (Class 430/963)
  • Patent number: 5118592
    Abstract: A method for forming an image, which comprises developing a silver halide color photographic material with a color developer containing at least one aromatic primary amine color developing agent, wherein said silver halide color photographic material comprises a silver chloride or silver chlorobromide emulsion having an average silver bromide content of not more than 10 mol % and containing substantially no iodide, with a mean grain size of an emulsion contained in the blue-sensitive layer thereof being controlled to 0.9 .mu.m or smaller, silver halide to coupler ratio in said blue-sensitive layer ranges from 2 to 5 as a molar ratio, and said color developer contains from 3.5.times.10.sup.-2 to 1.5.times.10.sup.-1 mol/l of a chloride ion and from 3.0.times.10.sup.-5 to 1.0.times.10.sup.-3 mol/l of a bromide ion.
    Type: Grant
    Filed: December 24, 1991
    Date of Patent: June 2, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Kazunori Hasebe
  • Patent number: 5116723
    Abstract: A silver halide photographic light-sensitive material suitable for rapid processing is disclosed which is prevented in fogging and improved in raw stock storage stability. The photographic material comprises photographic component layers including a silver halide emulsion layer, and the silver halide emulsion layer contains silver halide grains having a silver chloride content of not less than 90 mol %, and at least one of the photographic component layers contain a nitrogen-containing heterocyclic compound capable of forming a compound with silver ion having a solubility product of not more than 1.times.10.sup.-10 and a sulfur- containing compound selected from the group consisting of organic compounds having a polysulfer linkage comprised of three or more sulfer atoms, and organic compounds having a heterocyclic ring having at least two thioether linkages or at least one disulfer linkage.
    Type: Grant
    Filed: August 15, 1991
    Date of Patent: May 26, 1992
    Assignee: Konica Corporation
    Inventors: Makoto Kajiwara, Hideki Ono
  • Patent number: 5116721
    Abstract: A method of forming a color image comprising subjecting an imagewise exposed color photoraphic material to color development at a temperature of from 30.degree. C. to 50.degree. C.
    Type: Grant
    Filed: September 7, 1990
    Date of Patent: May 26, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Soichiro Yamamoto
  • Patent number: 5114836
    Abstract: A method of developing a silver halide photographic material is disclosed. The method comprises a step of supplying a developer to a surface of an exposed silver halide photographic material, which is transferred by at least one pair of rollers, intermittently at least twice wherein an interval time of each supplying is not more than 10 seconds and the amount of developer retained in the light-sensitive material ranges from 50 to 250 ml/m.sup.2 . The method provides a compact developing system, which is free from uneven development with good grainess of the image.
    Type: Grant
    Filed: July 19, 1990
    Date of Patent: May 19, 1992
    Assignee: Konica Corporation
    Inventors: Kiyoshi Sato, Masaaki Taguchi, Yasunori Wada, Mikio Kawasaki, Shinichi Ohtani, Masatosi Iwada, Noboru Hatakeyama
  • Patent number: 5112731
    Abstract: A silver halide photographic material is disclosed, which comprises a support having coated thereon at least one silver halide emulsion layer, wherein the emulsion layer comprises tabular grains of silver chloride, silver bromide, silver chlorobromide or silver chloroiodobromide having an iodide content of 1 mol % or less, which have an average aspect ratio of 3 or more and which have been spectrally sensitized with at least one spectral sensitizing dyes described below.
    Type: Grant
    Filed: August 30, 1990
    Date of Patent: May 12, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Nobuaki Miyasaka
  • Patent number: 5110714
    Abstract: There is disclosed a method for processing a silver halide color photographic material with a color developer containing at least one aromatic primary amine color-developing agent. In the method a silver halide color photographic material having at least one of the layers of which comprises a silver halide emulsion of high chloride containing 80 mol % or over of silver chloride, and containing at least one coupler having relative coupling rate of 0.05 or over in each color-sensitive layer is processed, after exposure to light, with a color developer containing a specified amount of chloride ions and bromide ions.
    Type: Grant
    Filed: October 3, 1989
    Date of Patent: May 5, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Genichi Furusawa, Yasuhiro Yoshioka, Yasufumi Nakai
  • Patent number: 5110713
    Abstract: A method for continuously processing silver halide color photographic material with a color developer containing at least one aromatic primary amine color-developing agent is disclosed. In the method a silver halide color photographic material at least one of the layers of which contains a silver halide emulsion of a high chloride comprising 80 mol % or over of silver chloride is processed in the presence of a specific heterocyclic compound, after exposure to light, with a color developer that is substantially free from sulfite ions and whose replenishing amount is 120 ml or below per m.sup.2 of the silver halide photographic material, to attain desired photographic characteristics.
    Type: Grant
    Filed: March 27, 1991
    Date of Patent: May 5, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kazuaki Yoshida, Takatoshi Ishikawa
  • Patent number: 5108888
    Abstract: A silver halide photographic material comprising a support and at least one silver halide emulsion layer on the support, wherein at least one compound represented by general formula (I) is contained in the silver halide emulsion layer or another hydrophilic colloid layer:A--B m(I)wherein A represents a blocking group capable of releasing B during processing, and B represents a group capable of releasing a residual color improving agent which satisfies Condition 1 after being released from A--B, and is linked to A via a hetero atom in B.Condition 1:When a 2 ml aqueous solution of 4.0.times.10.sup.-4 mole/l of anyhydro-5,5'-dichloro-9-ethyl-3,3'-bis(3-sulfopropyl)-thiacarbocyanine hydroxide.pyridinium salt is mixed with a 1 ml aqueous solution of 1.0.times.10.sup.-1 mole/l of potassium chloride, and 4 ml of an aqueous solution of 8.0.times.10.sup.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: April 28, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Akihiko Ikegawa, Masaki Okazaki, Junji Nishigaki
  • Patent number: 5102778
    Abstract: A method for processing a silver halide light-sensitive material comprising subjecting an imagewise exposed silver halide color light-sensitive material having a silver chloride content substantially of 90 mol % or more to color developement in a color developing solution containing a hydrophilic p-phenylenediamine derivative and substantially no benzyl alcohol at a temperature of 30.degree. C. or higher for a period of 15 seconds or less and then subjecting the color developed material to bleach or bleach-fix, wherein the color development processed silver halide color light-sensitive material is introduced into a bleaching or bleach-fix bath with the amount of a color developing agent in the film of the light-sensitive material being controlled to 0.8 mmol/m.sup.2 or less, and wherein the desilvering is completed within 30 seconds.
    Type: Grant
    Filed: November 9, 1990
    Date of Patent: April 7, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Koichi Nakamura
  • Patent number: 5098818
    Abstract: A silver halide photographic material is disclosed, comprising a hydrophilic layer containing a dye dispersed in a solid particle form therein on at least one side of a support and at least one silver halide emulsion layer, wherein the coating weight of hydrophilic colloid in said layer containing a dye dispersed in a solid particle form therein is from 0.05 to 0.5 g/m.sup.2 and the total coating weight of hydrophilic colloid on each side of said support is from 0.5 to 3 g/m.sup.2.
    Type: Grant
    Filed: April 6, 1990
    Date of Patent: March 24, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tadashi Ito, Yasushi Hattori, Yukio Karino
  • Patent number: 5093227
    Abstract: There is disclosed a method for processing a silver halide color photographic material with a color developer containing at least one aromatic primary amine color-developing agent. In the method a silver halide color photographic material which comprises a pyrazoloazole-type coupler and an image-dye stabilizer, and has at least one of the layers comprising a silver halide emulsion of a high silver chloride and the total coating amount of silver of 0.75 g/m.sup.2 or below is processed, after exposure to light, with a color developer containing a specified amount of chloride ions and bromide ions, to improve development treatment characteristics, desilvering ability, and stability of an image.
    Type: Grant
    Filed: October 3, 1989
    Date of Patent: March 3, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kiyoshi Nakazyo, Kazuaki Yoshida
  • Patent number: 5089379
    Abstract: An image forming method for a light-sensitive silver halide photographic material that provides a superior silver image in a short time is disclosed. The image forming method comprises the steps of subjecting to imagewise exposure of said light-sensitive silver halide photographic material which comprises a support and a silver halide emulsion layer provided on said support, wherein said silver halide emulsion layer contains a silver halide grain having a crystal surface with an area ratio of (100) face to (111) face of not less than 5 and being spectrally sensitized in the wavelength range of 600 nm or more with a specific sensitizing dye; and at least one layer included in said light-sensitive silver halide photographic material contains a fluorine-containing surface active agents; and processing said exposed light-sensitive silver halide photographic material for a period of time of from 20 seconds to 60 seconds in total.
    Type: Grant
    Filed: April 16, 1990
    Date of Patent: February 18, 1992
    Assignee: Konica Corporation
    Inventor: Naoko Yatsuyanagi
  • Patent number: 5089382
    Abstract: A silver halide color photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer, wherein in at least one silver halide emulsion layer contains a compound represented by the following general formula (I) ##STR1## wherein Z represents an oxygen atom or a sulfur atom; R.sub.101 and R.sub.102, which may be the same or different, represent each an alkyl group and at least one of R.sub.101 and R.sub.102 is a butyl group, a pentyl group, a hexyl group, a heptyl group or an octyl group; V.sub.1, V.sub.2, V.sub.3, V.sub.4, V.sub.5, V.sub.6, V.sub.7 and V.sub.8, which may be the same or different, each represent a hydrogen atom, a halogen atom, an alkyl group, an acyl group, an acyloxy group, an alkoxycarbonyl group, a carbamoyl group, a sulfamoyl group, a carboxyl group, a cyano group, an alkoxy group, an alkylthio group, an alkylsulfonyl group, a sulfo group or an aryl group; of V.sub.1 to V.sub.
    Type: Grant
    Filed: October 17, 1989
    Date of Patent: February 18, 1992
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Nobuo Sakai
  • Patent number: 5081007
    Abstract: A method for processing a silver halide light-sensitive photographic material by a super rapid process and an automatic processing machine used therefor is disclosed. The method comprises a step of processing an imagewise exposed silver halide light-sensitive photogrpahic material comprising a support and a photographic component layer provided on at least one side of said support, under conditions satisfying the equation given below:50.ltoreq.1.sup.0.75 .times.T.ltoreq.124wherein l is the length of a path along which said silver halide light-sensitive photographic material to be conveyed for processing, the length being more than 0.7 m and less than 3.1 m, T is time, expressed in terms of seconds, necessary for said silver halide light-sensitive photographic material to pass through said path.
    Type: Grant
    Filed: September 14, 1988
    Date of Patent: January 14, 1992
    Assignee: Konica Corporation
    Inventor: Haruhiko Sakuma
  • Patent number: 5077180
    Abstract: A method for continuously processing silver halide color photographic material with a color developer containing at least one aromatic primary amine color-developing agent is disclosed. In the method a silver halide color photographic material at least one of the layers of which contains a silver halide emulsion of a high chloride comprising 80 mol % or over of silver chloride is processed, after exposure to light, with a color developer that is substantially free from sulfite ions and whose replenishing amount is 120 ml or below per m.sup.2 of the silver halide photographic material, to attain desired photographic characteristics.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: December 31, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Kazuaki Yoshida, Takatoshi Ishikawa
  • Patent number: 5071734
    Abstract: A method for continuously processing silver halide color photographic materials using a roller conveyor type of an automatic developing apparatus, comprising:cleaning the entire surface of a roller located over solution surface of at least one of processing baths in the automatic developing apparatus in which at least one of said processing baths comprises the color developing bath by a rinsing water replenisher or a stabilizing replenisher as a substitute for the rinsing water replenisher, andintroducing the cleaning solution into the color developing bath containing at least one organic preservative selected from the group consisting of compounds represented by formulae (I), (II), (III) and (IV) and monosaccharides; ##STR1## wherein R.sup.11 and R.sup.12 each represents hydrogen atoms, unsubstituted or substituted alkyl groups, unsubstituted or substituted alkenyl groups, unsubstituted or substituted aryl groups or hetero aromatic groups, provided that both of R.sup.11 and R.sup.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: December 10, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Shinji Ueda, Takatoshi Ishikawa, Hiroshi Fujimoto, Kaoru Uchiyama, Tetuya Ishizuka
  • Patent number: 5070003
    Abstract: There is disclosed a method for processing a silver halide color photographic material with a color developer containing at least one aromatic primary amine color-developing agent. In the method a silver halide color photographic material having at least one of the layers of which contains a silver halide emulsion of a high chloride comprising 80 mol % or over of silver chloride and the total coating amount of silver of which is 0.75 g/m.sup.2 or below is processed, after exposure to light, with a color developer containing a specified amount of chloride ions and bromide ions. The silver halide color photographic material contains at least one of yellow couplers specified.
    Type: Grant
    Filed: October 3, 1989
    Date of Patent: December 3, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hideaki Naruse, Kazuaki Yoshida
  • Patent number: 5066569
    Abstract: In the improved method of processing an imagewise exposed silver halide photographic material that has photographic constituent layers on a side of a support with an automatic processor, comprising:circulating a fixing solution in a fixing bath being discharged in a volume of 30-200% per minute of a capacity of said fixing bath and at a flow rate of not less than 20 m per minute,wherein said silver halide photographic material has a gelatin content of not more than 3.0 g/m.sup.2 in said photographic constituent layers, andsaid photographic constituent layers comprise a silver emulsion layer which contains silver halide grains having a (100) face to (111) face area ratio of not less than 5.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: November 19, 1991
    Assignee: Konica Corporation
    Inventors: Toshiharu Nagashima, Kazuhiro Yoshida
  • Patent number: 5063142
    Abstract: A process for processing a silver halide color photographic material is disclosed, which comprises color developing and bleach-fixing the silver halide color photographic material, and then processing by at least one of washing the material with water and stabilizing the material, the silver halide color photographic material comprising a support having thereon at least one emulsion layer comprising a high silver chloride emulsion having a silver chloride content of 80 mol % or more and a used bleach-fixing solution which has been already used for the bleach-fixing, having a silver ion concentration of 0.02 mol/liter or more being used as a bleach-fixing solution for replenishment.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: November 5, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Takatoshi Ishikawa
  • Patent number: 5063139
    Abstract: A color photographic light-sensitive material capable of being processed at an ultrahigh speed, which comprises at least two light-sensitive layers on at least one side of a support wherein each layer contains a light-sensitive silver halide emulsion and a nondiffusive oil-soluble coupler capable of coupling with an oxidation proudct of an aromatic primary amine color developing agent to produce a dye, said light-sensitive layers having different sensitive wavelength ranges, said silver halide is silver chloride or silver chlorobromide containing at least 90 mol % of silver chloride, and the alkali-consuming amount of said light-sensitive material is not more than 2.6 mmol/m.sup.2.A process for the formation of color images using the light-sensitive material, which comprises imagewise exposing light-sensitive material, and then subjecting the material to color development for not more than 20 seconds.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: November 5, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Hiroshi Hayashi
  • Patent number: 5059514
    Abstract: The present invention relates to a method for bleaching a silver halide photographic light-sensitive material having at least one silver halide emulsion layer containing silver iodobromide after color-developing it. The object of the present invention is to speed up the bleaching treatment in the aforesaid method and to reduce the amount of waste liquor from the bleaching treatment. The present invention is characterized in that the bleaching is performed in the presence of a bleaching accelerator and that it is carried out while a bleaching solution is brought into contact with an anion-exchange resin.
    Type: Grant
    Filed: August 23, 1989
    Date of Patent: October 22, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Shinji Ueda, Tetsuro Kojima, Tohru Kitahara, Tomokazu Yasuda, Yoshihiro Fujita, Takatoshi Ishikawa
  • Patent number: 5057405
    Abstract: A silver halide color photographic material comprising a support having thereon at least three photosensitive layers containing a silver chloride emulsion or a silver chlorobromide emulsion having an average silver chloride content of at least 96 mol % and containing substantially no silver iodide, said at least three photosensitive layers comprising a cyan coupler-containing layer, a magenta coupler-containing layer and a yellow coupler-containing layer, wherein said at least three photosensitive layers each has different spectral sensitivity peak in the photosensitive wavelength regions of 650 to 690 nm, 720 nm and 770 to 850 nm, respectively, and the total coating weight of silver halide is not more than 0.78 g/m.sup.2 in terms of silver, and the above-disclosed material wherein the support is a reflective support comprising a base paper impregnated with a synthetic polymer through the surface of the base paper, and a white pigment-containing water-resistant resin layer coated on the base paper.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: October 15, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Keisuke Shiba, Tadashi Ogawa
  • Patent number: 5051342
    Abstract: A silver halide photographic light-sensitive material having at least one light-sensitive emulsion layer containing surface latent image-type silver halide grains, coated on a reflective support, in which said at least one emulsion layer contains regular crystal grains of silver chloride or silver chlorobromide having a mean silver chloride content of 80 mol % or more on the basis of the total silver halide grains contained therein and substantially does not contain silver iodide, and in which a colloidal silver-containing layer is located adjacent to said emulsion layer, wherein at least one of said colloidal silver-containing layer, said emulsion layer and an interlayer therebetween contains at least one mercaptoazole compound. The material is, after having imagewise exposed, processed with a color developer within 90 seconds. The material forms an image with excellent sharpness and whiteness.
    Type: Grant
    Filed: July 5, 1990
    Date of Patent: September 24, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Keisuke Shiba, Kazunori Hasebe, Seiji Ichijima
  • Patent number: 5049483
    Abstract: There is disclosed a direct positive silver halide light-sensitive material which can be processed in ultra-rapid processing and have a higher sensitivity, a lower Dmin, an excellent antistatic property and less flactuation of the properties in storing. The light-sensitive material contains an electron-accepting compound in a silver halide emulsion layer, and a fluorinated surfactant and/or at least one of the compounds represented by Formulas I-a to II-b in a photographic component layer: ##STR1## wherein R.sub.1 to R.sub.4 represent independently a hydrogen atom, a lower alkyl group, an alkoxy group, a carboxy group, an alkoxycarbonyl group, a sulfo group, a halogen atom, and a nitro group, provided that at least one of R.sub.1 and R.sub.2 is a carboxy group, an alkoxycarbonyl group or a sulfo group.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: September 17, 1991
    Assignee: Konica Corporation
    Inventors: Naoko Yatsuyanagi, Tsuyoshi Mitsuhashi
  • Patent number: 5041364
    Abstract: A diagnostic photographic element is disclosed containing reduced surface glare following rapid-access processing. The photographic elements contain silver halide emulsion imaging units and overlying layer units that contain to reduce surface glare a tabular grain silver halide emulsion in which the tabular grains have an average diameter greater than 1.5 .mu.m and an average tabularity of greater than 25.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: August 20, 1991
    Assignee: Eastman Kodak Company
    Inventors: Robert E. Dickerson, Robert L. Childers
  • Patent number: 5039599
    Abstract: A method for processing a silver halide color photographic material is disclosed, comprising imagewise exposing the material and continuously processing the material in an automatic processor wherein the bleach-fixing bath contains(i) at least one organic acid ferric complex salt, and(ii) at least one sulfinic acid, and the open area value (X) of said bleach-fixing bath and the water washing bath during the processing is not more than 0.05 cm.sup.-1.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: August 13, 1991
    Assignee: Fuji Photo Film Co., Ltd
    Inventor: Shinji Ueda
  • Patent number: 5030546
    Abstract: There is disclosed a processing method of a light-sensitive silver halide photographic material to be used in a method for forming an image be developing and fixing a negative type light-sensitive silver halide photographic material having at least one layer of light-sensitive silver halide emulsion layer on a support, which comprises the silver density on the emulsion layer side of said light-sensitive silver halide photographic material is 0.5 g/cm.sup.2 or higher and also a hydrazine derivative is contained in said layer, and the light-sensitive silver halide photographic material is processed within a developing time of 15 seconds.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: July 9, 1991
    Assignee: Konica Corporation
    Inventors: Yasuhiko Takamuki, Takeo Arai
  • Patent number: 5028516
    Abstract: A method of forming an image comprising exposing, developing and fixing a laser scanner-utilizable silver halide photographic material which has at least one silver halide emulsion layer sensitized spectrally in an infrared region on one side of a support, said silver halide photographic material containing in at least one layer located on the emulsion layer side one or more of an additive selected from among:(1) surface active agents having a solubility of 0.005 wt % or more at 30.degree. C. in a developer and a surface tension of 45 dyne/cm or less (measured at 30.degree. C. in a condition of 1.0 wt % aqueous solution), and(2) polymers represented by the following general formula (I), and having a molecular weight of from 2,000 to 500,000:--X).sub.x (Y).sub.
    Type: Grant
    Filed: March 27, 1989
    Date of Patent: July 2, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yasuo Mukunoki, Naoki Arai, Kazuo Kagawa
  • Patent number: 5021326
    Abstract: A process for processing a color photography silver halide recording material by development, bleach-fixing and stabilization or washing, wherein the silver halide emulsion layers of the photographic material have a chloride content of at least 80 mol %, the total processing time is not more than 60 seconds, the concentration of halide in the developing bath in the use state does not exceed 10.sup.-2 mol/l, the chloride content of the halide in the developing bath being at least 80 mol %, and the processing baths are replenished during continuous operation, provides results of good quality such as are otherwise obtained only by processing over a total period of at least 180 seconds.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: June 4, 1991
    Assignee: Agfa Gevaert Aktiengesellschaft
    Inventors: Heinz Meckl, Karl-Heinz Reuter, Rudolf Tromnau
  • Patent number: 5017463
    Abstract: A process for developing a silver halide photographic material having, on a support, at least one silver halide emulsion layer comprising a silver halide emulsion spectrally sensitized by an infrared-sensitizing dye, which is subjected to image-wise exposure, then development and fixing processing and then washing or stabilization processing, wherein the silver halide in the silver halide emulsion layer contains 90 mol % or more of silver chloride, the swelling rate for hydrophilic colloid layers containing the silver halide emulsion layer is 150% or less, and the replenishment in the washing or stabilization processing is 1,200 ml or less per square meter of the photographic material.
    Type: Grant
    Filed: October 13, 1989
    Date of Patent: May 21, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Nobuaki Inoue, Katsumi Hayashi
  • Patent number: 5004674
    Abstract: A silver halide photosensitive material comprising a support having thereon a layer containing (a) an organic compound which releases a free radical on contact with light rays and (b) a compound which undergoes a change in the absorption spectrum due to the action of the released free radical.
    Type: Grant
    Filed: October 13, 1989
    Date of Patent: April 2, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Keiichi Adachi, Kazunobu Katoh, Kouichi Kawamura
  • Patent number: 5004675
    Abstract: A method for processing a silver halide color photosensitive material is disclosed.The process step comprises developing a color photographic light-sensitive material composed of a support having thereon at least one light-sensitive silver halide emulsion layer containing a silver halide containing at least 80 mol % silver chloride; at least one emulsion layer thereof containing a dispersion of a mixture of (i) at least one oil-soluble non-diffusible cyan coupler capable of forming a substantially non-diffusible cyan dye by coupling with the oxidized form of a developing agent, and (ii) a water-insoluble polymer;in a color developer solution comprising a primary amine color developing agent, and having a chloride ion concentration of from 3.5.times.10.sup.-2 to 1.5.times.10.sup.-1 mol/l, and a bromide ion concentration of from 3.0.times.10.sup.-5 to 1.0.times.10.sup.-3 mol/l.
    Type: Grant
    Filed: October 3, 1989
    Date of Patent: April 2, 1991
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroyuki Yoneyama, Osamu Takahashi, Kazuaki Yoshida, Takatoshi Ishikawa
  • Patent number: 5001046
    Abstract: A sheet of silver halide photographic light-sensitive material is disclosed, which is suitable for an ultra-rapid processing and improved on decreased fog due to corner cutting the sheet. The sheet of photographic material is comprised of a light-sensitive layer, provided on a support, containing a silver halide grain composed of at least two phases and the silver iodide content of outermost phase is at least 1 mol % lower than that of inside phase contiguous to said outermost phase, and 10% to 100% of surface area of said silver halide grain is occupied with (111) face, and the total gelatin amount of component layers on the same side of the support including said light-sensitive layer is within the range of from 2.0 g/m.sup.2 to 3.5 g/m.sup.2.
    Type: Grant
    Filed: January 18, 1990
    Date of Patent: March 19, 1991
    Assignee: Konica Corporation
    Inventors: Chika Honda, Haruhiko Sakuma
  • Patent number: 4997750
    Abstract: A double coated radiographic element is disclosed which exhibits a crossover of less than 5 percent and which is provided with a silver halide emulsion layer unit on one side of its transparent film support that is at least twice the speed of the silver halide emulsion layer unit on the opposite side of the film support.
    Type: Grant
    Filed: July 26, 1989
    Date of Patent: March 5, 1991
    Assignee: Eastman Kodak Company
    Inventors: Robert E. Dickerson, Phillip C. Bunch
  • Patent number: 4996138
    Abstract: There is provided a silver halide photographic light-sensitive material comprising a support and photographic layers containing at least one silver halide emulsion layer thereon. At least one silver halide emulsion layer contains a silver halide grains having a silver chloride content of not less than 90 mol % and silver bromide content of not less than 0.05 mol % and at least one photographic layer contains a specific oxanol dye. The silver halide photographic light-sensitive material is suitable for rapid processing and excellent in image-sharpness.
    Type: Grant
    Filed: September 29, 1989
    Date of Patent: February 26, 1991
    Assignee: Konica Corporation
    Inventors: Kazuhiro Murai, Yasuhiko Kawashima, Shun Takada, Nobuaki Kagawa
  • Patent number: 4994355
    Abstract: A double coated radiographic element is disclosed which exhibits a crossover of less than 5 percent and which is provided with a first silver halide emulsion layer unit on one side of its transparent film support that exhibits an average contrast of less than 2.0 and a second silver halide emulsion layer unit on the opposite side of the silm support that exhibits an average contrast of at least 2.5.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: February 19, 1991
    Assignee: Eastman Kodak Company
    Inventors: Robert E. Dickerson, Phillip C. Bunch
  • Patent number: 4987059
    Abstract: Excellent image silver stability is obtained without intermediate washing after fixing and without a special finishing bath by a process for stabilizing a silver image produced by exposure, development and fixing of a photographic material containing at least one silver halide emulsion layer, in which, immediately after fixing, the photographic material is subjected to treatment by a stabilizing bath containing a compound corresponding to general formula (I) ##STR1## in which X=Cl, BrR.sup.1 =H, C.sub.1-4 alkyl, C.sub.6-10 aryl,R.sup.2 =CHO, COOH, COONa, CH.sub.2 COOH, CH.sub.2 COONa, CONR.sub.2.sup.3, CONHR.sup.3,R.sup.3 =H, C.sub.1-2 alkyl,and a compound corresponding to formula II ##STR2## and/or to formula III ##STR3## in which R.sup.3 and R.sup.4 may be the same or different and represent H, --NH.sub.2, alkyl, alkenyl, cycloalkyl, aryl, alkoxy, alkylthio, alkylsulfonyl, sulfamoyl, acyl, --SH or a heterocyclic group.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: January 22, 1991
    Assignee: Agfa-Gevaert Aktiengesellschaft
    Inventors: Werner Berthold, Helmut Haseler, Paul Marx, Heinz Meckl, Hans hischlager
  • Patent number: 4980272
    Abstract: A method of processing a photosensitive material with a final processing solution is disclosed. The photosensitive material comprises at least one compound selected from the group consisting of compounds represented by the following Formulas (AI-I), (AI-II), (AI-III), (AI-IV) and (BS-I), a concentration of a soluble iron salt in the final processing solution is at least 5.times.10.sup.-3 /l and a processing time of the final processing solution is not more than 30 seconds.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: December 25, 1990
    Assignee: Konica Corporation
    Inventors: Satoru Kuse, Shigeharu Koboshi, Masao Ishikawa
  • Patent number: 4977067
    Abstract: An automatic processor (1) has a developing tank (2) filled with a developer. In a memory (12), five programs for conducting various types of replenishments of the developer with chemicals (A, B and C) are previously stored. Mixing ratios of the chemicals are also stored in the memory. Area of photosensitive materials brought into the automatic processor are detected by a sensor (8), and in accordance with the area, the chemicals are delivered to the developing tank. By variably determining the mixing ratios according to the respective purposes of the replenishments, the replenishments can be attained under optimum conditions.
    Type: Grant
    Filed: August 8, 1989
    Date of Patent: December 11, 1990
    Assignee: Dainippon Screen Mfg. Co., Ltd.
    Inventors: Shoichi Yoshikawa, Yasunobu Awazu, Eiji Nishimura
  • Patent number: 4966835
    Abstract: A method for processing a silver halide color photographic material is described, comprising a support having thereon at least one of a silver halide emulsion layer and other hydrophilic colloid layer, wherein the silver halide emulsion layer or other hydrophilic colloid layer contains at least one compound represented by formula (I):A--B (I)wherein A represents a blocking group capable of being cleaved from B during processing and B represents a bleach accelerating agent containing at least one hetero atom linked to A through the hetero atom, wherein said method comprises at least one color developing step and desilvering step comprising a bleach-fixing treatment.
    Type: Grant
    Filed: August 12, 1988
    Date of Patent: October 30, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tetunori Matushita, Morio Yagihara, Kei Sakanoue
  • Patent number: 4965175
    Abstract: A method for continuous processing of a silver halide color photosensitive material is disclosed. The process steps comprise developing a color photographic light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer containing a silver halide comprising at least 80 mol % silver chloride, in a color developer solution containing a chloride ion concentration of from 3.5.times.10.sup.-2 to 2.0.times.10.sup.-1 mol/l, said developing step being conducted in a developer bath having a bath opening ratio (S/V) of at most 0.015 cm.sup.-1 wherein S is air-contacting area of the bath in cm.sup.2 and V is a total volume of the bath in cm.sup.3.
    Type: Grant
    Filed: October 3, 1989
    Date of Patent: October 23, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Hiroshi Fujimoto, Kazuaki Yoshida
  • Patent number: 4946769
    Abstract: A silver halide photographic light-sensitive material, and a method of preparing the same and a method of image forming using the same photographic material. The photographic material comprises a support bearing, on one side thereof, a layer containing a light-sensitive silver halide emulsion comprised of silver halide grains having an average size of from 0.05 .mu.m to 0.3 .mu.m and gelatin and, on the other side thereof, a non-light-sensitive layer containing gelatin and at least one of the emulsion layer and the non-light-sensitive layer is brought into contact with air having a temperature of from 35.degree. C. to 80.degree. C. or relative humidity of from 5% to 25% for a period not shorter than 5 seconds to not longer than one minute, within 5 minutes from the point of time when the average surface temperature of said layer is raised up to a temperature 1.degree. C.
    Type: Grant
    Filed: November 15, 1988
    Date of Patent: August 7, 1990
    Assignee: Konica Corporation
    Inventors: Takeo Arai, Toshiharu Nagashima
  • Patent number: 4940652
    Abstract: A method of processing a silver halide photographic material of total silver amount of no more than 7.0 g/m.sup.2 on a support containing at least one of a dye having a maximum absorption wavelength between 520-560 nm and a dye having a maximum absorption wavelength between 570-700 nm in such an amount that the increase of transmission optical density of the unexposed area after processing is no more than 0.03, comprising processing said silver halide photographic material with a roller-transport type automatic developer under the conditions that satisfy the following relationships:50.ltoreq.l.sup.0.75 .times.T.ltoreq.1240.7.ltoreq.l.ltoreq.3.1where l is the length in meters of delivery path in the developer, and T is the time in seconds taken for the silver halide photographic material to pass through the path.This method is adapted for rapid processing of silver halide photographic materials and the silver image obtained has a desired color and will not experience any "sepia deterioration" during storage.
    Type: Grant
    Filed: February 10, 1989
    Date of Patent: July 10, 1990
    Assignee: Konica Corporation
    Inventor: Satoru Nagasaki
  • Patent number: 4925778
    Abstract: A process for the rapid development of imagewise exposed silver halide recording materials which contain on a layer support at least three light sensitive silver halide emulsion layers of different spectral sensitivity, with which a cyan coupler, a magenta coupler and a yellow coupler are in each case spectrally associated, comprising the following treatment steps:1. treatment of the photographic material with a solution I of a color developing agent or a salt thereof at pH 1 to 8 over a period of 1 to 10 seconds,2. treatment of the photographic material impregnated with the developing agent with an alkali-containing solution II at pH 10 to 14 over a period of 1 to 10 seconds.produces maximum color densities of the kind otherwise only obtained by conventional development over a period of 45 seconds.
    Type: Grant
    Filed: March 10, 1989
    Date of Patent: May 15, 1990
    Assignee: Agfa-Gevaert Aktiengesellschaft
    Inventor: Ubbo Wernicke
  • Patent number: 4906553
    Abstract: 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 solution containing at least one compound satisfying the following condition 1 and/or a salt thereof in an amount of at least 5.times.10.sup.-5 mol/liter;Condition 1:when 4 ml of an aqueous solution of 8.0.times.10.sup.-2 mol/liter of the compound is added to a mixture of 2 ml of an aqueous solution of 4.0.times.10.sup.-4 mol/liter of anhydro-5,5'-dichloro-9-ethyl-3,3'-bis(3-sulfopropyl)thiacarbocyanine hydroxide.pyridinium salt and 1 ml of an aqueous solution of 1.0.times.10.sup.-1 mol/liter of potassium chloride and the resultant solution is diluted with water to 10 ml, the molecular extinction coefficient of the aqueous solution at 624 nm is not higher than 1.0.times.10.sup.5.
    Type: Grant
    Filed: May 5, 1989
    Date of Patent: March 6, 1990
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Akihiko Ikegawa, Minoru Yamada, Masaki Okazaki, Junji Nishigaki
  • Patent number: 4897340
    Abstract: A silver halide photographic material is disclosed which has at least one hydrophilic colloidal layer on a support, said photographic material having a water content of 10-20 g/m.sup.2 at the time when the washing step of processing with a roller transport type automatic processor is completed.
    Type: Grant
    Filed: December 5, 1988
    Date of Patent: January 30, 1990
    Assignee: Konica Corporation
    Inventors: Shinichi Ohtani, Teruo Kashino, Katsushi Fujita, Akio Suzuki, Eiji Yoshida, Satoru Nagasaki
  • Patent number: 4868098
    Abstract: The processing of exposed silver dye bleach materials by applying, to the uppermost layer of the material, an amount of processing liquid which corresponds to not more than the swelling volume of the material, followed by a heat treatment.The process is particularly suitable for the production of positive colored images, especially in automatic copying or photographing machines.
    Type: Grant
    Filed: January 5, 1988
    Date of Patent: September 19, 1989
    Assignee: Ciba-Geigy AG
    Inventors: Rolf Steiger, Urs J. Furholz
  • Patent number: 4839263
    Abstract: A silver halide photographic material containing a support and, provided thereon, at least one silver halide emulsion layer, this silver halide emulsion layer containing silver halide grains containing 90 mol % or more of silver chloride, a dye-forming coupler, and a compound represented by general formula [S]; ##STR1## wherein Q is a group of atoms necessary to complete a 5- or 6-membered heterocyclic ring or a 5- or 6-membered ring fused with a benzene ring and M is a hydrogen atom, an alkali metal or an ammonium group;the silver halide layer having been hardened by a hardener represented by formula [HDA] or [HDB]; ##STR2## wherein Rd.sub.
    Type: Grant
    Filed: July 29, 1987
    Date of Patent: June 13, 1989
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Masanobu Miyoshi, Makoto Kajiwara, Kaoru Onodera, Eiichi Sakamoto
  • Patent number: 4794070
    Abstract: Automatic processing equipment for photographic film, particularly radiographic black-and-white film, are required to handle different brands and constructions of film with the same processing chemistry. The Applicants have found that developer chemistry fluctuations seem to be very high when processing conventional films and newer, lower silver coating weight films. It has been found that the addition of an aqueous soluble, non-photosensitive bromide salt into radiographic film reduces the developer chemistry fluctuations.
    Type: Grant
    Filed: June 9, 1987
    Date of Patent: December 27, 1988
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James B. Philip, Jr., Peter D. Sills, James E. Lindquist
  • Patent number: H674
    Abstract: A silver halide photographic light-sensitive material comprising a support having the first photographic structural layer comprising one or more layers on a side of the support and the second photographic structural layer comprising one or more layers on the other side of the support, in which at least one of the photographic structural layers comprises a silver halide light-sensitive emulsion layer, and the total amount of gelatin contained in the photographic structural layer comprising the silver halide emulsion layer is within the range of from 2.25 g/m.sup.2 to 3.15 g/m.sup.2. The uppermost layer of the photographic structural layer comprising the silver halide emulsion is formed by coating of a solution having a surface tension of from 15 to 26 dyn/cm, and the second photographic structural layer is coated and gelled simultaneously with coating and drying of the first photographic structural layer.
    Type: Grant
    Filed: November 3, 1987
    Date of Patent: September 5, 1989
    Assignee: Konica Corporation
    Inventors: Satoru Nagasaki, Akio Suzuki, Eiji Yoshida, Masumi Arai, Nobuaki Tsuji