Patents Examined by Geraldine Letscher
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Patent number: 7129033Abstract: A photothermographic material having, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and an X-ray image forming method using the same, wherein 50% or more of a total projected area of the photosensitive silver halide is occupied by tabular grains having an aspect ratio of 2 or more, and the grains have at least one epitaxial junction portion having a multifold structure. A photothermographic material with high sensitivity and excellent storage stability, and an image forming method using the material are provided.Type: GrantFiled: August 4, 2005Date of Patent: October 31, 2006Assignee: Fuji Photo Film Co., Ltd.Inventor: Takayoshi Mori
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Patent number: 7125656Abstract: Organic silver salt particles are manufacture by mixing an aqueous solution containing silver ions with an aqueous solution containing an organic acid alkali salt to form organic silver salt particles, using a mixing device in which plural supply tubes are connected to a discharge tube so that an axis of the discharge tube and axes of the supply tubes coincide at a single point.Type: GrantFiled: November 24, 2004Date of Patent: October 24, 2006Assignee: Konica Minolta Medical & Graphic, Inc.Inventor: Satoshi Ito
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Patent number: 7122300Abstract: A photothermographic material comprising a support, and an image-forming layer and a non-photosensitive layer provided on a surface of the support, wherein the image-forming layer and the non-photosensitive layer are adjacent to each other; the image-forming layer includes a photosensitive silver halide, a first non-photosensitive organic silver salt, a first reducing agent, a polyhalogen compound and a binder; and the non-photosensitive layer includes a second non-photosensitive organic silver salt.Type: GrantFiled: March 9, 2005Date of Patent: October 17, 2006Assignee: Fuji Photo Film Co., Ltd.Inventor: Yasuhiro Yoshioka
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Patent number: 7122298Abstract: There is provided a silver halide photographic photosensitive material, containing a support and at least one photosensitive silver halide emulsion layer on the support, the silver halide photographic photosensitive material, further including at least one layer containing an emulsion having at least one surfactant represented by the formula (I), in which the photosensitive material contains a substantially non-color-forming photosensitive emulsion layer. The formula (I) is indicated as (R1—L)n-J-(A)m. In the formula: A represents an acid group or a metal salt thereof; R1 represents an aliphatic group; L represents a divalent group; J represents a linking group, having a valence of n plus m, which links R1—L and A; n represents a natural number of from 1 to 6; and m represents a natural number of from 1 to 3.Type: GrantFiled: March 25, 2005Date of Patent: October 17, 2006Assignee: Fuji Photo Film Co., Ltd.Inventor: Naoto Matsuda
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Patent number: 7118847Abstract: Disclosed are spirocyclic olefin polymers, methods of preparing spirocyclic olefin polymers, photresist compositions including spirocyclic olefin resin binders and methods of forming relief images using such photoresist compositions.Type: GrantFiled: October 22, 2004Date of Patent: October 10, 2006Assignee: Shipley Company LLCInventors: Charles R. Szmanda, George G. Barclay, Peter Trefonas, III, Wang Yueh
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Patent number: 7115358Abstract: The present invention provides a black and white photothermographic material having, on at least one side of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder, as well as an image forming method. The black and white photothermographic material is characterized in that 1) the non-photosensitive organic silver salt includes at least one compound selected from the group consisting of a silver salt of an azole compound and a silver salt of a mercapto compound, and 2) the photosensitive silver halide has a spectral sensitizing dye in the form of a multilayer adsorbed on its surface. According to the invention, an improved black and white photothermographic material and image forming method realizing high sensitivity, favorable gradation, and less dependence on developing process conditions are provided.Type: GrantFiled: May 20, 2005Date of Patent: October 3, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Takeshi Funakubo, Takeshi Suzumoto
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Patent number: 7115356Abstract: A silver halide color photosensitive material of less than 320 ISO speed, comprising at least two red-sensitive emulsion layers, at least two green-sensitive emulsion layers, at least one blue-sensitive emulsion layer and at least one nonsensitive layer, wherein silver halide tabular grains of 0.15 ?m or less grain thickness are contained in an amount of 50% or more in respective layers with the highest speed among the green- and red-sensitive emulsion layers; wherein the total dry film thickness of the material on the emulsion layer side thereof is 24 ?m or less; and wherein the compound (A) is contained in at least one silver halide emulsion layer or the nonsensitive layer. Compound (A): heterocyclic compound having one or more heteroatoms, which heterocyclic compound is capable of substantially increasing the sensitivity of silver halide color photosensitive material by addition thereof as compared with that exhibited when the compound is not added.Type: GrantFiled: September 23, 2004Date of Patent: October 3, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Masayoshi Toyoda, Junichiro Hosokawa, Takanori Hioki
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Patent number: 7115357Abstract: A silver halide color reversal photosensitive material comprising a blue-sensitive emulsion layer unit containing a yellow color-forming coupler, a green-sensitive emulsion layer unit containing a magenta color-forming coupler and a red-sensitive emulsion layer unit containing a cyan color-forming coupler, on a transparent support, wherein the material includes at least one interimage effect-donating layer substantially forms no image; the wavelength, ?rmax, at which the maximum sensitivity of the spectral sensitivity distribution of the red-sensitive layer unit is given, satisfies the relation: 620 nm??rmax?680 nm; and the sensitivities of the red-sensitive layer unit satisfy the following relationships: Sr(610) is ? of Sr(?rmax) or more; Sr(680) is 1/10 of Sr(?rmax) or more; and/or Sr(690) is 1/50 of Sr(?rmax) or more wherein Sr(610), Sr(680) and Sr(690) are the sensitivities of the red-sensitive unit at 610 nm, 680 nm and 690 nm, respectively, and Sr(?rmax) is the maximum sensitivity at ?rmax.Type: GrantFiled: April 20, 2004Date of Patent: October 3, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Nobuyuki Haraguchi, Masayuki Kuramitsu, Naoto Matsuda
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Patent number: 7112402Abstract: A photothermographic material of the present invention contains a slipping agent. One slipping agent is a liquid at a ordinary temperature, and an volatile rate of the slipping agent at 120° C. for one hour is 0.5% by mass or less as measured by a thermo-balance. The other slipping agent is that a permeating rate to the transportation rollers, when the transportation rollers are immersed in the slipping agent at 120° C. for 2 hours, is 6% by mass or less.Type: GrantFiled: January 12, 2004Date of Patent: September 26, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Yasuhiro Yoshioka, Yoshihisa Tsukada, Takayoshi Oyamada, Minoru Sakai
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Patent number: 7112401Abstract: A photothermographic material comprising a support body provided on or above at least one surface thereof with an image forming layer, containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and binder, and a non-photosensitive layer, wherein: 1) 50% or more of the binder in the image forming layer is hydrophilic binder; 2) a ratio of the non-photosensitive organic silver salt to the hydrophilic binder is from 0.6 to 1.4 by mass; and 3) 70% or more of binder in the non-photosensitive layer is hydrophilic binder.Type: GrantFiled: September 8, 2005Date of Patent: September 26, 2006Assignee: Fuji Photo Film Co., Ltd.Inventor: Hajime Nakagawa
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Patent number: 7108965Abstract: A photothermographic material for blue light exposure that has a good coating surface condition and an image forming method for use with the photothermographic material are provided. The photothermographic material includes a support, and an image forming layer provided on at least one side of the support. The image forming layer contains at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder. The photothermographic material is characterized in that: (1) a silver iodide content of the photosensitive silver halide is not less than 40 mole %; (2) the binder is a hydrophilic binder; (3) the image forming layer contains a silver iodide complexing agent; and (4) the image forming layer contains, as a silver carrier, at least one compound represented by the following Formula (I) or (II): (wherein Q represents an atomic group that is necessary to form a 5 or 6-membered imide ring).Type: GrantFiled: September 12, 2005Date of Patent: September 19, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Takayoshi Mori, Kazutaka Takahashi
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Patent number: 7108964Abstract: The invention relates to a novel kind of anthranilic acid compound that releases a UG as a function of chemical bond cleavage according to Formula (I): Q-(AAS)-UG where UG is an useful group and is chemically bonded to (AAS); (AAS) is an anthranilic acid switching group; and Q is a group in which the bond to (AAS) is broken so that the -(AAS)-UG fragment subsequently decomposes to the free UG.Type: GrantFiled: August 5, 2005Date of Patent: September 19, 2006Assignee: Eastman Kodak CompanyInventors: Stephen P. Singer, Philip A. Allway, Trevor J. Wear, Louis E. Friedrich, Siu (Lambert) C. Tsoi, Bernard A. Clark, Paul L. Stanley
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Patent number: 7108963Abstract: A photographic element comprises a silver halide emulsion layer having associated therewith a dye forming coupler and a combination of a carbonamide compound, a phenolic compound, and an electron-rich compound. Such a combination provides improved dye stability.Type: GrantFiled: April 6, 2005Date of Patent: September 19, 2006Assignee: Eastman Kodak CompanyInventors: Albert J. Mura, Jr., Gary M. Russo, Shari L. Eiff, Brian Thomas
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Patent number: 7105283Abstract: The present invention provides a black and white photothermographic material having, on at least one surface of a support, an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder, wherein 70% or more of a total projected area of the photosensitive silver halide is occupied by tabular grains having an aspect ratio of 2.5 or more, a mean projected area equivalent diameter of 0.5 ?m to 8 ?m, and a mean grain thickness of 0.02 ?m to 0.2 ?m, and a ratio of a number of sites capable of forming a development initiation point on a corner portion or a fringe portion of the photosensitive silver halide grain to all development initiation points is 50% or more. Also disclosed is an image forming method of forming a radiation image by using a fluorescent intensifying screen.Type: GrantFiled: December 10, 2004Date of Patent: September 12, 2006Assignee: Fuji Photo Film Co., Ltd.Inventor: Tomoyuki Ohzeki
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Patent number: 7105286Abstract: The present invention relates to a silver halide photographic material comprising a paper support having resin layers coated on both sides of a base paper, and in particular, to a silver halide photographic material exhibiting superior glossiness and improved sharpness, long-term stability, fingerprint resistance and pressure resistance. The silver halide photographic material comprising on one side of the paper support having resin coat layers on both sides of a base paper, one or more light-sensitive layers and one or more light-insensitive layers, wherein after the photographic material of an L-size (having a length of 89 mm in a machine direction of the base paper and a length of 127 mm vertical to the machine direction) is processed, the photographic material exhibits an image clarity (C-value) of 20% to 60% which is determined using a 1.Type: GrantFiled: November 20, 2002Date of Patent: September 12, 2006Assignee: Konica Minolta Photo Imaging, Inc.Inventor: Takesi Nakamura
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Patent number: 7105285Abstract: A silver halide color photosensitive material comprises a blue-sensitive layer, a green-sensitive layer, a red-sensitive layer and a non-light-sensitive layer on a support. The silver halide color photosensitive material contains a compound selected from the following type 1 and type 2 compounds, and wherein the blue-sensitive layer meets the relationship of the following formula (I): SB(370 nm)/SB(420 nm)<0.Type: GrantFiled: September 23, 2004Date of Patent: September 12, 2006Assignee: Fuji Photo Film Co., Ltd.Inventors: Toshitaka Ninomiya, Kiyoshi Morimoto, Koichi Yokota, Masahiko Taniguchi, Terukazu Yanagi
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Patent number: 7105287Abstract: A silver halide emulsion is disclose, containing silver halide grains, in which at least 50% by number of the silver halide grains is accounted for by (1) cubic grains (2) having a chloride content of not less than 90 mol %, (3) an iodide content of from 0 to 2 mol % and (4) a bromide content of from 0.1 to 10 mol %, and (5) containing dislocation lines in the peripheral region and (6) having rounded corners.Type: GrantFiled: February 15, 2005Date of Patent: September 12, 2006Assignee: Konica Minolta Photo Imaging, Inc.Inventors: Toshiya Kondo, Katsuya Yabuuchi, Rieko Ren
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Patent number: 7101659Abstract: A photographic element is described comprising a support bearing at least one blue light sensitive silver halide emulsion layer and an ultraviolet filter layer above the light sensitive layer, wherein the ultraviolet filter layer comprises an ultraviolet absorbing dibenzoylmethane compound of formula (I) where R1 through R5 are each independently hydrogen, halogen, nitro, or hydroyxl, or further substituted or unsubstituted alkyl, alkenyl, aryl, alkoxy, acyloxy, ester, carboxyl, alkyl thio, aryl thio, alkyl amine, aryl amine, alkyl nitrile, aryl nitrile, arylsulfonyl, or 5–6 member heterocycle ring groups. The present invention describes photographic elements that include materials that deliver a preferred UV absorption spectrum that provides adequate spark protection, and minimizes UV radiation incident on the element during camera exposure so that accurate color rendition can be achieved, while maximizing photographic speed in the blue record.Type: GrantFiled: July 1, 2005Date of Patent: September 5, 2006Assignee: Eastman Kodak CompanyInventors: Paul L. Zengerle, Kurt M. Schroeder, Rebecca A. Ott, Efrain O. Morales
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Patent number: 7097962Abstract: A photothermographic imaging material containing a support having thereon light-insensitive organic silver salt grains, photosensitive silver halide grains, a reducing agent for silver ions and a binder, wherein, (i) each of the organic silver salt grains has a structure having different silver ion dissociation constants at a surface portion and at an inner portion of the grain; (ii) each of the silver halide grains produces a larger number of latent images in a surface portion than in an inner portion of the grain by exposure to light; (iii) each of the silver halide grains produces a larger number of latent images in the inner portion than in the surface portion of the grain after being subjected to a thermal development; and (iv) a surface photographic speed of each of the silver halide grains decreases after being subjected to the thermal development.Type: GrantFiled: October 19, 2004Date of Patent: August 29, 2006Assignee: Konica Minoltn Medical & Graphic, Inc.Inventors: Hideki Komatsu, Hideki Takiguchi
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Patent number: 7097963Abstract: Black-and-white, aqueous-based, silver halide-containing photothermographic materials have increased stability after imaging with the incorporation of at least 0.0002 mol/m2 of a halogen-substituted tetraazaindene compound.Type: GrantFiled: April 18, 2005Date of Patent: August 29, 2006Assignee: Eastman Kodak CompanyInventors: Chaofeng Zou, Kumars Sakizadeh, George J. Burgmaier, Roger L. Klaus