And Inorganic Silver Compound Patents (Class 430/619)
  • Patent number: 10251392
    Abstract: The present invention comprises methods and compositions for antimicrobial devices comprising metal containing compositions which are resistant to heat and light discoloration. The metal containing compositions may comprise salts or complexes of silver, copper or zinc. In one aspect the compositions comprise silver salts. In another aspect, the compositions comprise silver complexes. In one aspect, the metal salts may comprise metal salts of saccharin, acesulfame, long chain fatty acids, and alkyl dicarboxylic acids. The compositions further comprise polymers which form salts or complexes with silver, copper or zinc. The methods of the present invention comprise treating devices with the metal containing compositions, including, but not limited to, such devices as woven wound care materials, catheters, patient care devices, and collagen matrices. The present invention further comprises treatment of humans and animals with the antimicrobial devices described herein.
    Type: Grant
    Filed: August 1, 2005
    Date of Patent: April 9, 2019
    Assignee: Avent, Inc.
    Inventors: Bhalchandra M. Karandikar, Bruce L. Gibbins, Ken A. Cornell
  • Patent number: 9599758
    Abstract: An optical reflective film which includes at least one unit formed by laminating a high refractive index layer and a low refractive index layer on a substrate and is characterized in that at least either of the high refractive index layer or the low refractive index layer contains two or more kinds of polyvinyl alcohols having different degrees of saponification, the high refractive index layer and the low refractive index layer contain polyvinyl alcohols having approximately the same degree of saponification, and an average degree of saponification of polyvinyl alcohols contained in the high refractive index layer and an average degree of saponification of polyvinyl alcohols contained in the low refractive index layer are different from each other.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: March 21, 2017
    Assignee: KONICA MINOLTA, INC.
    Inventor: Akihito Hisamitsu
  • Patent number: 9365721
    Abstract: The invention relates to a family of fluorescent compounds that comprise a bridged polycyclo moiety. The compounds can be chemically linked to biomolecules, such as proteins, nucleic acids, and therapeutic small molecules. The compounds can be used for imaging in a variety of medical, biological and diagnostic applications, and are particularly useful for the in vivo imaging of regions of interest within a mammal.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: June 14, 2016
    Assignee: VISEN MEDICAL, INC.
    Inventor: Nara Narayanan
  • Patent number: 8440110
    Abstract: Disclosed is a method for producing a metal particle dispersion wherein a metal compound is reduced by using carbodihydrazide represented by the formula (1) below or a polybasic acid polyhydrazide represented by the formula (2) below (wherein R represents an n-valent polybasic acid residue) in a liquid medium. By reducing the metal compound in the presence of a compound having a function preventing discoloration of the metal, there can be obtained a metal particle dispersion having excellent discoloration preventing properties. Metal particles produced by such methods have a uniform particle diameter and are excellent in dispersion stability. By using a conductive resin composition or conductive ink containing a metal particle dispersion obtained by such production methods, there can be formed a conductive coating film, such as a conductive circuit or an electromagnetic layer, having good characteristics.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: May 14, 2013
    Assignee: Toyo Ink Mfg Co., Ltd.
    Inventors: Kaori Sakaguchi, Kinya Shiraishi
  • Patent number: 7977040
    Abstract: The present invention provides a heat developable photosensitive material comprising at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions and binder on one surface of a support.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: July 12, 2011
    Assignee: Fujifilm Corporation
    Inventors: Yasuhiro Yoshioka, Takayoshi Oyamada, Eiichi Okutsu
  • Patent number: 7695898
    Abstract: Disclosed is a photothermographic material having an image-forming layer containing a silver salt of an organic acid, photosensitive silver halide grains and a reducing agent on a support, wherein ratio of scratch strength measured before heat development and scratch strength measured 30 minutes after the heat development is in the range of 1:1-1:3 for a surface of the image-forming layer side. The photothermographic material shows improved film strength after heat development.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: April 13, 2010
    Assignee: Fujifilm Corporation
    Inventor: Makoto Ishihara
  • Patent number: 7682780
    Abstract: An industrial X-ray photosensitive material including at least one silver halide emulsion layer on both sides of a transparent support, wherein the silver halide emulsion layer contains tabular silver halide particles having an average particle thickness of less than 0.2 ?m and an aspect ratio of more than 8, a core of the particles which is a core having a volume of 1% or more and less than 3% of a particle volume does not contain Ir or Rh, and a shell of the particles which is a shell having a volume of 97% or more and less than 99% of a particle volume contains at least Ir or Rh. An industrial X-ray photosensitive material having rapid processing suitability, as well as high sensitivity and high contrast is provided.
    Type: Grant
    Filed: June 18, 2009
    Date of Patent: March 23, 2010
    Assignee: FUJIFILM Corporation
    Inventors: Masayoshi Fujita, Yoshihisa Hashi
  • Patent number: 7622247
    Abstract: Mixtures of an alkyl vinyl ether/maleic anhydride copolymer or an alkylethylene/maleic anhydride copolymer with cellulose acetate provide protective overcoats for thermally developable materials. These protective overcoats exhibit good adhesion to the emulsion layer, are physically hard, and have good optical clarity while maintaining the sensitometric properties of the materials.
    Type: Grant
    Filed: January 14, 2008
    Date of Patent: November 24, 2009
    Assignee: Carestream Health, Inc.
    Inventors: William Donald Ramsden, Chaofeng Zou, Doreen Catherine Lynch, Stacy Marie Ulrich, Sharon Mary Simpson
  • Patent number: 7608391
    Abstract: The present invention provides a photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive layer, wherein the non-photosensitive layer includes at least a polymer matting agent having a refractive index of from 1.51 to 1.56 and a glass transition temperature of 90° C. or higher. A photothermographic material which is excellent in film surface properties and photographic properties is provided.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: October 27, 2009
    Assignee: FUJIFILM Corporation
    Inventor: Yasuhiro Yoshioka
  • Publication number: 20090181332
    Abstract: Mixtures of an alkyl vinyl ether/maleic anhydride copolymer or an alkylethylene/maleic anhydride copolymer with cellulose acetate provide protective overcoats for thermally developable materials. These protective overcoats exhibit good adhesion to the emulsion layer, are physically hard, and have good optical clarity while maintaining the sensitometric properties of the materials.
    Type: Application
    Filed: January 14, 2008
    Publication date: July 16, 2009
    Inventors: William Donald Ramsden, Chaofeng Zou, Doreen Catherine Lynch, Stacy Marie Ulrich, Sharon Mary Simpson
  • Patent number: 7524621
    Abstract: Silver salts of long chain carboxylic acids are prepared from long chain carboxylic acids by sequential addition of at least two different alkali metal hydroxides, one of which is lithium hydroxide, followed by converting the mixture of alkali metal carboxylates to silver carboxylates. Photothermographic materials prepared from such silver carboxylates display improved Dmin aging with little if any affect on other sensitometric properties.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: April 28, 2009
    Assignee: Carestream Health, Inc.
    Inventors: Lilia P. Burleva, David R. Whitcomb
  • Patent number: 7514206
    Abstract: Thermally developable materials including photothermographic and thermographic materials have a buried conductive backside layer comprising one or more binder polymers in which are dispersed each of at least two types of conductive materials: (1) nanoparticles of one or more conductive metal compounds, and (2) one or more organic solvent soluble inorganic alkali metal salt antistatic compounds. These buried conductive backside coatings provide conductivity that is affected minimally by humidity.
    Type: Grant
    Filed: April 13, 2006
    Date of Patent: April 7, 2009
    Assignee: Carestream Health, Inc.
    Inventors: Thomas J. Ludemann, Gary E. LaBelle, Thomas J. Kub, Kumars Sakizadeh, Sharon M. Simpson
  • Patent number: 7504200
    Abstract: A photothermographic material is disclosed, comprising on one side of a support a light-sensitive layer comprising a light sensitive silver halide, light-insensitive silver salts of aliphatic carboyxlic acids, a reducing agent and a binder resin and a light-insensitive layer and on the other side of the support a light-insensitive layer, wherein the light-insensitive layer on the light-sensitive layer side and the light-insensitive layer on the other side of the support comprises a silicon-containing polymer lubricant and a fluorine-containing compound represented by formula (SF): [Rf-(L1)m1-]p-(L2)n1-(A)q??Formula (SF).
    Type: Grant
    Filed: January 24, 2008
    Date of Patent: March 17, 2009
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Narito Goto, Kiyokazu Morita, Keiko Itaya
  • Patent number: 7488572
    Abstract: An image formation method comprising exposing a photothermographic material 10 having an image-forming layer and a back layer with a light having a wavelength of 700-850 nm and subjecting it to development in a heat development apparatus provided with a preheating section A, a heat development section B and a gradual cooling section C, wherein the photothermographic material 10 has at least one coated layer obtained by applying a coating solution containing 20 weight % or more of an organic solvent, and the heat development section B is provided with heating members 15 on image-forming layer side 10a and back layer side 10b and transportation rollers only on the image-forming layer side 10a with respect to the photothermographic material 10 to be transported in the apparatus. There is provided an image formation method utilizing a photothermographic material, which can form images showing less generation of density unevenness, high contrast and high maximum density without causing physical deformation.
    Type: Grant
    Filed: March 29, 2002
    Date of Patent: February 10, 2009
    Assignee: Fujifilm Corporation
    Inventor: Takahiro Goto
  • Patent number: 7482113
    Abstract: Incorporating a combination of a trisphenol reducing agent (developer) and a substituted olefinic co-developer having a phosphonium cation in photothermographic materials improves image tone in resulting images.
    Type: Grant
    Filed: December 18, 2006
    Date of Patent: January 27, 2009
    Assignee: Carestream Health, Inc.
    Inventors: Sharon M. Simpson, Kumars Sakizadeh
  • Publication number: 20090023103
    Abstract: A process of producing a solid dispersion of an organic compound comprising a step in which after solid dispersing an organic compound, a temperature is elevated stepwise to subject the dispersion to heat treatment.
    Type: Application
    Filed: September 8, 2008
    Publication date: January 22, 2009
    Applicant: FUJIFILM CORPORATION
    Inventor: Satoru TODA
  • Patent number: 7468241
    Abstract: Use of certain compounds in black-and-white photothermographic materials improves processing latitude particularly under conditions of high humidity.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: December 23, 2008
    Assignee: Carestream Health, Inc.
    Inventors: Doreen C. Lynch, William D. Ramsden, Sharon M. Simpson, Chaofeng Zou
  • Patent number: 7465533
    Abstract: A photothermographic material having a support, an image forming layer which is disposed on the support and contains at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, at least one non-photosensitive layer which is disposed on the same side of the support as the image forming layer and farther from the support than the image forming layer, and a back layer which includes at least another non-photosensitive layer and is disposed on the opposite side of the support from the image forming layer, wherein the back layer contains a fluorocarbon polymer having a monomer component represented by the following (M2): (M2) a monomer containing a fluorine atom and having an unsaturated bond capable of radical polymerization. An image forming method is also provided.
    Type: Grant
    Filed: March 26, 2007
    Date of Patent: December 16, 2008
    Assignee: FUJIFILM Corporporation
    Inventors: Minoru Sakai, Yoshihisa Tsukada
  • Patent number: 7462444
    Abstract: An image forming method comprising: imagewise exposing and thermal developing a photothermographic material using an image recording apparatus, wherein a part of the sheet is exposed and, in parallel with the exposure, development is started on a part of the sheet having been already exposed: wherein the photothermographic material comprises a reducing agent represented by formula (R), and wherein the photosensitive silver halide contains at least two preformed photosensitive silver halides having respective sensitivities different from each other for a light with the same exposure wavelength and a silver iodide content of the photosensitive silver halide is 40% by mole or more.
    Type: Grant
    Filed: November 7, 2005
    Date of Patent: December 9, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Yutaka Oka, Tomoyuki Ohzeki
  • Patent number: 7462445
    Abstract: A method of processing a photothermographic material by a thermal processor is disclosed, wherein the photothermographic material comprises on one side of a support a light-sensitive layer containing an organic silver salt, silver halide grains, a binder and a reducing agent and a light-insensitive layer and on the other side of the support a back coating layer; the thermal processor uses a transport system in which a feed roller is disposed with being in contact with a bundle of plural stacked film sheets of the photothermographic material so as to feed the uppermost film sheet of the bundle of film sheets through rotation of the feed roller to expose and develop the fed film sheet; the light-insensitive layer or the back coating layer contains a lubricant having a mass average molecular weight of 550 or more.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: December 9, 2008
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventor: Narito Goto
  • Patent number: 7455961
    Abstract: Disclosed is a photothermographic material comprising on support a light-insensitive silver salt of an aliphatic carboxylic acid, a light-sensitive silver halide and a reducing agent for silver ions, wherein the photothermographic material further comprises a copolymer comprising a backbone comprising a chain having a monomeric repeating unit, represented by formula (1) and a chain having a monomeric repeating unit, represented by formula (2).
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: November 25, 2008
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Rie Sakuragi, Osamu Ishige, Kiyoshi Fukusaka
  • Patent number: 7455960
    Abstract: The invention provides a photothermographic material having, on both sides of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, which is to be exposed with X-rays using a fluorescent intensifying screen, wherein (1) a coating amount of the photosensitive silver halide per one side is from 0.01 g/m2 to 0.45 g/m2 in terms of silver amount; and (2) a crossover (%) is 30% or more, or when parallel light having the same wavelength as a main emission peak wavelength of the fluorescent intensifying screen is incident perpendicular to the surface of the photothermographic material, the parallel light component of transmitted light comprises 5% or more of the incident light. A photothermographic material for medical use having high sensitivity and high image quality is provided.
    Type: Grant
    Filed: October 5, 2006
    Date of Patent: November 25, 2008
    Assignee: FUJIFILM Corporation
    Inventor: Takeshi Funakubo
  • Patent number: 7452661
    Abstract: Incorporation of certain compounds into photothermographic materials provides materials with reduced initial image Dmin and improved Raw Stock Keeping film stability without unacceptable loss in sensitometric properties. These compounds include certain e-i) zinc salts of an aryl sulfonic acid or of a fluorinated C2-C6 carboxylic acid, e-ii) non-encapsulated alkali metal salts of an aryl sulfonic acid or of a fluorinated C2-C6 carboxylic acid, and e-iii) fluorinated C2-C6 carboxylic acids.
    Type: Grant
    Filed: February 26, 2007
    Date of Patent: November 18, 2008
    Assignee: Carestream Health, Inc.
    Inventors: Kui Chen-Ho, William D. Ramsden
  • Patent number: 7445884
    Abstract: A thermal development device including: a thermal development section for heating to develop a latent image formed on a light-sensitive surface of a photothermographic material; a cooling section for cooling the photothermographic material passed the thermal development section under a condition that a cooling rate for a light-insensitive surface of the photothermographic material is faster than the cooling rate for the light-sensitive surface of the photothermographic material; and a conveyance section in which the photothermographic material is conveyed via the thermal development section and the cooling section, and the length of the conveyance path that passes the cooling section is not more than 1.5 times the length of the conveyance path that passes the thermal development section.
    Type: Grant
    Filed: June 2, 2005
    Date of Patent: November 4, 2008
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventor: Hiroyuki Yanagisawa
  • Patent number: 7442495
    Abstract: The invention provides a photothermographic material containing an image forming layer having at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder on at least one side of a support, an outermost layer on the same side of the support as the image forming layer, and a non-photosensitive intermediate layer between the outermost layer and the image forming layer, wherein 50% by weight or more of a binder of the non-photosensitive intermediate layer is formed by a hydrophobic polymer latex, the outermost layer has a mean thickness of from 0.1 ?m to 0.45 ?m, and the non-photosensitive intermediate layer has a variation coefficient of a thickness distribution of 50% or less based on a mean thickness of the non-photosensitive intermediate layer. A photothermographic material, which exhibits reduced image unevenness and excellent image storage stability, is provided.
    Type: Grant
    Filed: January 20, 2006
    Date of Patent: October 28, 2008
    Assignee: FUJIFILM Corporation
    Inventor: Keiichi Suzuki
  • Patent number: 7429447
    Abstract: A photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive silver salt of a fatty acid, a reducing agent, and a binder, wherein 1) the photosensitive silver halide has an average silver iodide content of 40 mol % or higher, and 2) the photothermographic material includes a compound represented by the following formula (I) or a salt thereof: R1—C?C—R1???Formula (I) wherein R1 and R1? each independently represent a hydrogen atom, or a substituted or unsubstituted alkyl group, aryl group, or heterocyclic group, and R1 and R1? are not simultaneously a hydrogen atom. The invention provides a photothermographic material which exhibits high sensitivity and excellent image storability, and an image forming method.
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: September 30, 2008
    Assignee: FUJIFILM Corporation
    Inventor: Katsuhisa Ohzeki
  • Patent number: 7427467
    Abstract: A silver salt photothermographic dry imaging material comprising a support having: (i) a photosensitive layer comprising photosensitive silver halide grains, an organic silver salt and a reducing agent for silver ions on one side of the support; and (ii) a backing layer on a side of the support opposite the photosensitive layer, comprising: (a) organic solid lubricant particles having an average diameter of 1.0 to 30 ?m; and (b) inorganic microparticles or organic microparticles.
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: September 23, 2008
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventor: Miyuki Teranishi
  • Patent number: 7419775
    Abstract: A method of manufacturing a micro-particle dispersion having a hydrophobic protective colloid comprising the steps of: (a) dispensing micro-particles in a hydrophilic dispersant to form a hydrophilic micro-particle dispersion having the hydrophilic dispersant as a protective colloid, and (b) adding a dispersant to the hydrophilic micro-particle dispersion, the dispersant having a functional group capable of ion bonding with a hydrophilic group of the hydrophilic dispersant.
    Type: Grant
    Filed: November 8, 2005
    Date of Patent: September 2, 2008
    Assignee: Konica Minolta Medical & Graphic, Inc.
    Inventors: Hiroto Ito, Kazuhito Ihara
  • Patent number: 7419774
    Abstract: Disclosed is a photothermographic material comprising a support having disposed on a surface thereof, a non-photosensitive silver source, a photosensitive silver halide, and a reducing agent, and having disposed another surface thereof at least one non-photosensitive layer, wherein at least one of the non-photosensitive layers contains at least one type of gelatin having an isoelectric point of from 5.0 to 9.5; and a method for processing the photothermographic material.
    Type: Grant
    Filed: December 23, 2002
    Date of Patent: September 2, 2008
    Assignee: FUJILFILM Corporation
    Inventor: Rikio Inoue
  • Patent number: 7416838
    Abstract: The present invention provides a photothermographic material having, on one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and at least one non-photosensitive layer which is disposed on the same side of the support as the image forming layer and farther from the support than the image forming layer, wherein the non-photosensitive layer includes at least a copolymer latex of an acrylate or methacrylate having a fluorine atom and a monomer component having a hydrophobic group, and the surface of the side having the image forming layer includes convex portions having a height of 1.5 ?m or higher in an amount of from 20 to 2000 per 1 mm2. A photothermographic material which exhibits excellent film physical properties and high image quality is provided.
    Type: Grant
    Filed: February 21, 2007
    Date of Patent: August 26, 2008
    Assignee: FUJIFILM Corporation
    Inventor: Itsuo Fujiwara
  • Patent number: 7410745
    Abstract: The invention provides a photothermographic material including: a support and an image-forming layer including a non-photosensitive silver salt, a photosensitive silver halide, a binder, and a reduction agent disposed on the support, wherein a silver iodide content in the photosensitive silver halide is in a range from 40 mol % to 100 mol %; and an average sphere-equivalent diameter of the photosensitive silver halide is in a range from 0.3 ?m to 5.0 ?m. The photothermographic material may further include a silver iodide complex forming agent as a compound which substantially reduces visible light absorption caused by the photosensitive silver halide after thermal development. At least 50%, in terms of a projected area, of the photosensitive silver halide may be occupied by tabular silver halide grains having an aspect ratio of from 2 to 50 and being deposited with a silver salt in an epitaxial growth manner.
    Type: Grant
    Filed: December 17, 2003
    Date of Patent: August 12, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Tomoyuki Ohzeki, Eiichi Okutsu
  • Patent number: 7410752
    Abstract: A method of producing an organic silver salt dispersion, the method comprising: mixing a first aqueous solution including a water-soluble silver ion supplier and a second aqueous solution including an alkali metal salt of an organic acid to form an organic silver salt dispersion; wherein, the mixing is conducted in the presence of at least one compound selected from polyacrylamide and derivatives of polyacrylamide, and at least 10 mass % (in terms of silver quantity) of the organic silver salt in the organic silver salt dispersion is formed by simultaneous addition of the first aqueous solution and the second aqueous solution to an aqueous medium followed by mixing.
    Type: Grant
    Filed: September 21, 2005
    Date of Patent: August 12, 2008
    Assignee: FUJIFILM Corporation
    Inventor: Itsuo Fujiwara
  • Patent number: 7407741
    Abstract: The present invention provides a photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a first non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive layer including a second non-photosensitive organic silver salt which is different from the first non-photosensitive organic silver salt, wherein particles of the second non-photosensitive organic silver salt have a mean equivalent circular diameter of from 0.03 ?m to 0.5 ?m. A photothermographic material, which exhibits improved color tone of developed silver images, improved resistance to damage from fingerprints, and high resistance to image defects, is provided.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: August 5, 2008
    Assignee: Fujifilm Corporation
    Inventor: Kouta Fukui
  • Patent number: 7402380
    Abstract: A photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, wherein 1) the binder includes a polymer latex having a monomer component represented by formula (M): CH2?CR01—CR02?CH2??Formula (M) 2) the photothermographic material includes a compound represented by formula (SA): and 3) the photothermographic material further includes a metal phthalocyanine dye represented by formula (PC-1): wherein at least one of R1, R4, R5, R8, R9, R12, R13, and R16 is an electron-attracting group. The invention provides a photothermographic material which produces an image free from unevenness in color tone, having high image quality, and is excellent in image storability.
    Type: Grant
    Filed: January 25, 2006
    Date of Patent: July 22, 2008
    Assignee: FUJIFILM Corporation
    Inventor: Kouta Fukui
  • Patent number: 7396641
    Abstract: The present invention provides a black and white photothermographic material having, on at least one side of a support, at least a photosensitive silver halide, a non-photosensitive organic silver salt, and a reducing agent for silver ions, wherein the reducing agent for silver ions is a compound represented by the following formula (PP) and having a molecular weight of from 450 to 3000, and the black and white photothermographic material further comprises a compound represented by the following formula (II).
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: July 8, 2008
    Assignee: Fujifilm Corporation
    Inventor: Kouta Fukui
  • Patent number: 7396638
    Abstract: The present invention relates to a photothermographic material including, on a same surface of a support, a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, wherein the photosensitive silver halide has a silver iodide content within a range from 40 to 100 mol %, and the material is thermally developed within a developing time of 12 seconds or less. The invention also relates to an image forming method using the photothermographic material.
    Type: Grant
    Filed: January 30, 2004
    Date of Patent: July 8, 2008
    Assignee: FUJIFILM Corporation
    Inventor: Fumito Nariyuki
  • Patent number: 7396639
    Abstract: The present invention provides a photothermographic material having, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive outermost layer which is disposed on the same side of the support as the image forming layer, wherein the non-photosensitive outermost layer contains a copolymer having at least the following monomer (M1) and monomer (M2) as copolymerization components, and a maximum surface roughness (Rt) on the image forming layer side is 1.5 ?m or less; wherein monomer (M1) is a monomer having a salt or salt forming group, or a poly(alkylene oxide) group and having an unsaturated bond which performs radical polymerization; and monomer (M2) is a monomer containing a fluorine atom and having an unsaturated bond which performs radical polymerization. An image forming method is also provided.
    Type: Grant
    Filed: May 22, 2006
    Date of Patent: July 8, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Keiichi Suzuki, Minoru Sakai
  • Patent number: 7393625
    Abstract: The present invention provides a photothermographic material having, on one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for the organic silver salt, and a binder, and at least one non-photosensitive layer and, on the other side of the support, a non-photosensitive back layer, wherein a total amount of ammonia contained in the two sides is from 5×10?4 mol/m2 to 2×10?2 mol/m2, and a molar ratio (A2/A1) of an ammonia content of the non-photosensitive back layer (A2) to an ammonia content of the layer on the image forming layer side (A1) is from 0.3 to 5.0; or a photothermographic material according to the above, wherein the non-photosensitive back layer includes an ammonium salt, and an ammonia content of the non-photosensitive back layer is from 2 mg/m2 to 100 mg/m2.
    Type: Grant
    Filed: March 13, 2007
    Date of Patent: July 1, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Minoru Sakai, Seiichi Yamamoto, Takayoshi Oyamada
  • Patent number: 7393626
    Abstract: The invention provides a photothermographic material including, on a same surface of a substrate, photosensitive silver halide grains, a non-photosensitive organic silver salt, a reducing agent and a binder, in which the photosensitive silver halide grains include iridium and a metal of groups 3 to 10 of the periodic table other than iridium, and 90% or more of the total iridium amount within the grain are contained in a core of 50% or less of the grain.
    Type: Grant
    Filed: July 8, 2003
    Date of Patent: July 1, 2008
    Assignee: FUJIFILM Corporation
    Inventor: Seiichi Yamamoto
  • Publication number: 20080145801
    Abstract: Use of a combination of a trisphenol reducing agent (developer) and a substituted olefinic co-developer in photothermographic materials reduces their sensitivity to high humidity and improves processing latitude.
    Type: Application
    Filed: December 18, 2006
    Publication date: June 19, 2008
    Inventors: Chaofeng Zou, Fong Vang, Doreen C. Lynch, William D. Ramsden, Sharon M. Simpson, Kumars Sakizadeh
  • Patent number: 7384732
    Abstract: The invention provides a method of manufacturing a photothermographic material excellent in coating stability with less haze in images, wherein the photothermographic material has, 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 at least one non-photosensitive layer above the image forming layer relative to the support, wherein (1) both the image forming layer and the non-photosensitive layer are formed with an aqueous coating solution, and (2) the coating solution for the image forming layer contains a phthalic acid salt or a salt of a derivative thereof, as well as a photothermographic material formed therewith.
    Type: Grant
    Filed: July 13, 2005
    Date of Patent: June 10, 2008
    Assignee: FUJIFILM Corporation
    Inventor: Hajime Nakagawa
  • Patent number: 7381520
    Abstract: Provided is a photothermographic material comprising, on a support, at least a non-photosensitive layer, and an image forming layer comprising at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, wherein a content of the binder in the image forming layer is from approximately 55.6% to approximately 47.6% by mass ratio. A photothermographic material capable of rapid thermal development and having excellent film quality is provided.
    Type: Grant
    Filed: March 14, 2006
    Date of Patent: June 3, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Hajime Nakagawa, Yoshihisa Tsukada
  • Patent number: 7364841
    Abstract: A silver salt photothermographic dry imaging material wherein said material has photographic speeds (1) and (2) determined based on the predetermined conditions and the photographic speed (2) is not more than 1/10 of the photographic speed (1), and the coefficient of determination value R2 of the linear regression line is 0.998-1.000, which is obtained from the predetermined density points having a* and b* arranged in two-dimensional coordinates in which a* is used as the abscicca and b* is used as the coordinate of the CIE 1976 (L*a*b*) color space, b* of the intersection point of the linear regression line with the ordinate is ?5-5, and gradient (a*/b*) is 0.7-2.5.
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: April 29, 2008
    Assignee: Konica Minolta & Medical Graphic, Inc.
    Inventors: Tetsuya Suzuki, Hideki Takiguchi, Toshiyuki Marui, Kazuhiko Fujikura, Kazuhito Ihara, Yasuo Taima, Kenji Ohnuma, Hiroto Ito
  • Publication number: 20080090187
    Abstract: The present invention provides a photothermographic material having, on one side of a support, at least an image forming layer and at least one non-photosensitive layer, wherein 50% by weight or more of a binder in the image forming layer is a polymer latex, and the image forming layer includes a viscosity increasing agent represented by the following formula (T): wherein at least two from among R16, R13, and R12 each independently represent an alkyl group having 1 to 18 carbon atoms, or a hydroxyalkyl group including a repeating unit of ethylene oxide or propylene oxide; and n1 represents an average polymerization degree, which is from 100 to 3000.
    Type: Application
    Filed: May 22, 2007
    Publication date: April 17, 2008
    Applicant: FUJIFILM CORPORATION
    Inventors: Minoru Sakai, Yoshihisa Tsukada
  • Patent number: 7358038
    Abstract: 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 50% or more of a total projected area of the photosensitive silver halide is occupied by tabular grains having a (111) face as a major face; the tabular grains have at least 2 parallel twin crystal planes in a grain; and a variation coefficient of a distribution of distances between closest twin crystal planes is 20% or less. Also provided is an image forming method that includes image exposure using fluorescent intensifying screens and thermal development.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: April 15, 2008
    Assignee: FUJIFILM Corporation
    Inventors: Kazutaka Takahashi, Takeshi Funakubo, Kiyoteru Miyake
  • Publication number: 20080076078
    Abstract: The present invention provides a black and white photothermographic material having, on at least one side of a support, at least a photosensitive silver halide, a non-photosensitive organic silver salt, and a reducing agent for silver ions, wherein the reducing agent for silver ions is a compound represented by the following formula (PP) and having a molecular weight of from 450 to 3000, and the black and white photothermographic material further comprises a compound represented by the following formula (II).
    Type: Application
    Filed: September 14, 2007
    Publication date: March 27, 2008
    Applicant: FUJIFILM CORPORATION
    Inventor: Kouta Fukui
  • Patent number: 7348110
    Abstract: A photothermographic material having a Dmin and Dmax optical density. The material includes a support having hereon one or more thermally-developable imaging layers which are developable to produce an image when the photothermographic material is thermally processed; and an area disposed along a length of at least one edge of the photothermographic material, wherein the area has an optical density less than the Dmax and greater than the Dmin of the photothermographic material.
    Type: Grant
    Filed: December 11, 2006
    Date of Patent: March 25, 2008
    Assignee: Carestream Health, Inc.
    Inventors: James C. Vanous, Bryan V. Hunt, Robert R. Brearey, Steven H. Kong, Mark C. Skinner, Thomas C. Geisler
  • Publication number: 20080057450
    Abstract: Incorporating a combination of phenolic reducing agents provides thermally developable materials with improved silver efficiency and hot-dark print stability without loss in other sensitometric properties. Both photothermographic and thermographic materials are provided, and particularly photothermographic materials having lower silver coverage.
    Type: Application
    Filed: August 21, 2006
    Publication date: March 6, 2008
    Inventors: Stacy M. Ulrich, Doreen C. Lynch, Takuzo Ishida, Chaofeng Zou, Paul G. Skoug, William D. Ramsden
  • Publication number: 20080050683
    Abstract: The present invention provides a photothermographic material having, on a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and at least one non-photosensitive layer, wherein a mean particle size of the non-photosensitive organic silver salt is 0.
    Type: Application
    Filed: August 20, 2007
    Publication date: February 28, 2008
    Applicant: FUJIFILM CORPORATION
    Inventor: Hideo Fushimi
  • Patent number: 7335466
    Abstract: A silver salt photothermographic dry imaging material including non-photosensitive aliphatic carboxylic acid silver salts; a photosensitive emulsion containing photosensitive silver halide grains; a silver ion reducing agent; a binder; and a cyan coloring leuco dye. A percentage of the photosensitive silver halide grains having a mean particle size of 0.01 or more ?m and 0.04 ?m or less is 5% or more by mass and 50% or less by mass of total photosensitive silver halide grains by conversion into a silver amount.
    Type: Grant
    Filed: May 22, 2006
    Date of Patent: February 26, 2008
    Assignee: Konica Minolta Holdings, Inc.
    Inventors: Hiroshi Kashiwagi, Narito Goto