During Solvent Development Patents (Class 430/355)
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Patent number: 10195670Abstract: A method of forming monodispersed metal nanowires comprising: forming a reaction mixture including a metal salt, a capping agent and a ionic additive in a reducing solvent at a first temperature; and forming metal nanowires by reducing the metal salt in the reaction mixture.Type: GrantFiled: August 11, 2016Date of Patent: February 5, 2019Assignee: Cambrios Film Solutions CorporationInventor: Pierre-Mar Allemand
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Patent number: 8985020Abstract: A heating step is performed in a printing operation where a gas jet emitting from a nozzle assembly impinges the exterior surface of a printing plate. The gas impingement provides rapid and specific convective heat flux to the exterior surface of the printing plate.Type: GrantFiled: November 1, 2012Date of Patent: March 24, 2015Assignee: E I du Pont de Nemours and CompanyInventors: Carl Bernard Arnold, Gary W. Foggin
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Patent number: 8895228Abstract: The present invention pertains to a method for preparing a printing form from a photosensitive element by thermal treatment, wherein a gas jet emitting from a nozzle assembly impinges the exterior surface of the element to smooth or polish and mitigate marks and deformations that can be generated during development. Impingement with a heated gas jet provides surface polishing from rapid and specific convective heat flux to the exterior surface of the printing plate.Type: GrantFiled: November 1, 2012Date of Patent: November 25, 2014Assignee: E I du Pont de Nemours and CompanyInventors: Carl Bernard Arnold, Masayuki Kato
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Publication number: 20130108968Abstract: A heating step is performed in a printing operation where a gas jet emitting from a nozzle assembly impinges the exterior surface of a printing plate. The gas impingement provides rapid and specific convective heat flux to the exterior surface of the printing plate.Type: ApplicationFiled: November 1, 2012Publication date: May 2, 2013Applicant: E I DU PONT DE NEMOURS AND COMPANYInventor: E I DU PONT DE NEMOURS AND COMPANY
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Patent number: 7309564Abstract: A photothermographic material including, on at least one surface of a support, at least a photosensitive silver halide containing a silver iodide at 40 mol % or more, a non-photosensitive organic silver salt, and a reducing agent, wherein the photothermographic material contains two or more kinds of the reducing agent at the mixing ratio to satisfy at least one of a), b), c) and d): a) a difference between a sensitivity or b) a difference between a maximum density is 0.10 or less, when developed at 120° C. for 10 sec and a sensitivity when developed at 120° C. for 14 sec; c) a difference between a sensitivity or d) a difference between a maximum density is 0.10 or less, when developed at 117° C. for 12 sec and a sensitivity when developed at 123° C. for 12 sec. An image forming method using the photothermographic material is also provided.Type: GrantFiled: November 9, 2005Date of Patent: December 18, 2007Assignee: Fujifilm CorporationInventors: Yasuhiro Yoshioka, Katsutoshi Yamane, Yasuhiko Goto
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Publication number: 20020018972Abstract: Blocked photographically useful groups decompose thermally via a Lossen rearrangement reaction, including, for example, compounds represented by the following structure: 1Type: ApplicationFiled: May 25, 2001Publication date: February 14, 2002Inventors: Wojciech K. Slusarek, Xiqiang Yang, David H. Levy
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Patent number: 5843628Abstract: A color image formation method excellent in discrimination and color image stability after processing which comprises overlaying a heat developable color light-sensitive material with a complexing agent sheet in the presence of a small amount of water therebetween after or during imagewise exposure, said light-sensitive material comprising a support having provided thereon at least a light-sensitive silver halide, a binder, a coupler, a reducing agent and a slightly-water-soluble basic metal compound, said sheet comprising a support having provided thereon at least a compound forming a complex with a metal ion constituting said basic metal compound; and heat developing the light-sensitive material to obtain a color image thereon, wherein the silver chloride content of said silver halide is 80 mol % or more, said complexing agent sheet comprises a physical development nucleus and a solvent for a silver halide, and said reducing agent is at least one compound of specified phenols, hydrazines and hydrazones.Type: GrantFiled: November 15, 1996Date of Patent: December 1, 1998Assignee: Fuji Photo Film Co., Ltd.Inventors: Toshiki Taguchi, Kiyoteru Miyake
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Patent number: 5089378Abstract: A method for forming an image comprising heating a heat-developable light-sensitive material comprising a support having thereon at least a light-sensitive silver halide and a binder, simultaneously with or after imagewise exposure thereof in the presence of water, at least one of a base and a base precursor, and an acetylene compound represented by formula (I):R.sub.1 --C.tbd.C--R.sub.2 (I)wherein R.sub.1 and R.sub.2 each represents a hydrogen atom, a carboxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkoxycarbonyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, or a substituted or unsubstituted carbamoyl group; provided that both R.sub.1 and R.sub.2 do not represent hydrogen atoms at the same time.Type: GrantFiled: March 20, 1991Date of Patent: February 18, 1992Assignee: Fuji Photo Film Co., Ltd.Inventors: Hiroyuki Ozaki, Ken Kawata, Hideki Ohmatsu
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Patent number: 4588678Abstract: A silver halide photographic material and a photographic development method are described, wherein the development method is carried out using a processing liquid containing a dialdehyde series hardening agent, and the photographic material comprises a support having thereon at least a silver halide emulsion layer containing silver halide grains having a silver iodide content higher than 1.5 mole %, with the silver iodide distribution in the silver halide grains being homogeneous throughout the grains or the silver iodide content being higher in the internal portion than in the surface portion of the silver halide grains.Type: GrantFiled: October 4, 1984Date of Patent: May 13, 1986Assignee: Fuji Photo Film Co., Ltd.Inventor: Hideo Ikeda
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Patent number: 4481284Abstract: A silver halide photographic light-sensitive material is disclosed, comprising a support having thereon at least one light-sensitive silver halide emulsion layer and a light-insensitive uppermost layer. The light-insensitive uppermost layer has a melting time longer than that of the light-sensitive silver halide emulsion layer and a thickness of the light-insensitive uppermost layer is from 0.3 .mu.m to 0.8 .mu.m. The silver halide photographic light-sensitive material causes a remarkably lower degree of reticulation, can reduce the amount of scum formed in the processing solution, and has an improved covering power.Type: GrantFiled: September 21, 1982Date of Patent: November 6, 1984Assignee: Fuji Photo Film Co., Ltd.Inventors: Masashi Ogawa, Kunio Ishigaki, Nobuyuki Iwasaki, Taku Nakamura
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Patent number: 4391900Abstract: A process for development-processing a silver halide photographic light-sensitive material is described, comprising processing with a developing solution containing 0.1 mol/liter or more of sulfite ion and at least one compound represented by formula (I) ##STR1## wherein n represents an integer of from 2 to 6; each of R.sub.1 and R.sub.2 represents hydrogen or an alkyl group having from 1 to 6 carbon atoms; and M represents hydrogen or an alkali metal atom.According to the process, the generation of silver sludge and the formation of fog are prevented when a black-and-white photographic light-sensitive material is processed with a developing solution containing sulfates in a high concentration.Type: GrantFiled: January 13, 1982Date of Patent: July 5, 1983Assignee: Fuji Photo Film Co., Ltd.Inventors: Takashi Toyoda, Tadao Shishido, Teruaki Tsujikawa
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Patent number: 4266010Abstract: A silver halide photographic light-sensitive material containing at least one photographic layer containing acid-processed gelatin and a matting agent.Type: GrantFiled: March 30, 1979Date of Patent: May 5, 1981Assignee: Fuji Photo Film Co., Ltd.Inventors: Shigeru Nagatomo, Kiyotaka Hori
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Patent number: 4250249Abstract: For developing residual-moisture photographs according to the wet-film technique, a pre-treatment with a first solution of about 5% ethanolic NaOH is performed first at about 13.degree. C. After the alkali exchange, the exposed film passes through a bath at a bath temperature of 50.degree. C. with a hydroquinone-containing photographic developer. This "Two-bath wet developing method" takes place in daylight. The developed, fixed, rinsed and dried film can be evaluated directly.Type: GrantFiled: August 25, 1978Date of Patent: February 10, 1981Assignee: Siemens AktiengesellschaftInventor: Bernhard Montag
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Patent number: 4232111Abstract: A photographic photosensitive element containing copolymers comprising(a) 30 to 70 mole % of the recurring unit represented by the formula (I) ##STR1## wherein R.sub.1 is a hydrogen atom or a methyl group; and (b) 70 to 30 mole % of the recurring unit represented by the formula (II) ##STR2## wherein R.sub.2 is a hydrogen atom or a methyl group and M is selected from the group consisting of hydrogen, lithium, sodium, potassium and NH.sub.4 ; in the most upper layer of the element, suitable for processing at temperatures of at least about 27.degree. C. to form an image.Type: GrantFiled: October 11, 1977Date of Patent: November 4, 1980Assignee: Fuji Photo Film Co., Ltd.Inventors: Takushi Miyazako, Shigeru Nagatomo
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Patent number: 4186010Abstract: A photographic element is described comprising an emulsion layer of low gelatin to silver halide ratio, the emulsion comprising a polymeric compound containing recurring units with ketoiminoguanidinium groups in the side chain to reduce formation of pressure marks.Type: GrantFiled: April 11, 1975Date of Patent: January 29, 1980Assignee: Agfa-Gevaert, N.V.Inventors: Raymond L. Florens, Daniel M. Timmerman