Next To Polymer Of Unsaturated Monomer Patents (Class 430/534)
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Patent number: 8329784Abstract: Disclosed is a process for preparing a non-transparent microvoided axially stretched film including i) mixing a linear polyester having monomer components consisting essentially of an aromatic dicarboxylic acid, an aliphatic diol and optionally an aliphatic dicarboxylic acid, a non-crosslinked random SAN-polymer and one or more additional ingredients to produce a mixture, ii) forming the mixture produced in step i) in a thick film followed by quenching; iii) stretching the thick film at a temperature between the glass transition temperature of the SAN-polymer and the glass transition temperature of said linear polyester to at least twice the initial length, and (iv) further stretching the film at an angle substantially 90° to the previous stretching process to at least twice the initial length and at 90° C. or below.Type: GrantFiled: January 31, 2011Date of Patent: December 11, 2012Assignee: Agfa-Gevaert N.V.Inventors: Dirk Quintens, Luc Leenders
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Patent number: 7416838Abstract: 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: GrantFiled: February 21, 2007Date of Patent: August 26, 2008Assignee: FUJIFILM CorporationInventor: Itsuo Fujiwara
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Patent number: 7396639Abstract: 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: GrantFiled: May 22, 2006Date of Patent: July 8, 2008Assignee: FUJIFILM CorporationInventors: Keiichi Suzuki, Minoru Sakai
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Patent number: 7144689Abstract: The use of metal antimonates at high metal antimonate to binder ratios in buried backside conductive layers of thermographic and photothermographic materials allows the use of thin backside overcoat layers. The combination provides antistatic constructions having excellent antistatic properties that show less change in resistivity with changes in humidity. The thin backside overcoat layer serves to protect the buried antistatic layer.Type: GrantFiled: May 9, 2006Date of Patent: December 5, 2006Assignee: Eastman Kodak CompanyInventors: Thomas J. Ludemann, Gary E. LaBelle, Darlene F. Philip, Roland J. Koestner, Aparna V. Bhave
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Patent number: 7087364Abstract: The use of metal antimonates at high metal antimonate to binder ratios in buried backside conductive layers of thermographic and photothermographic materials allows the use of thin backside overcoat layers. The combination provides antistatic constructions having excellent antistatic properties that show less change in resistivity with changes in humidity. The thin backside overcoat layer serves to protect the buried antistatic layer.Type: GrantFiled: August 31, 2004Date of Patent: August 8, 2006Assignee: Eastman Kodak CompanyInventors: Thomas J. Ludemann, Gary E. LaBelle, Darlene F. Philip, Roland J. Koestner, Aparna V. Bhave
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Patent number: 7074551Abstract: The present invention relates to an imaging element comprising at least one imaging layer and a support wherein the support comprises at least one layer comprising a splayant and a layered material, wherein the layered material has an aspect ratio from 20:1 and 500:1 and wherein the layered material comprises less than 10% by weight of the layer. The present invention also relates to a method of making a dimensionally stable imaging element comprising providing a support wherein said support comprises at least one layer comprising a splayant and a layered material, wherein said layered material comprises an aspect ratio of from 20:1 to 500:1 and wherein said layered material comprises less than 10% by weight of said at least one layer; and applying at least one imaging layer.Type: GrantFiled: August 4, 2003Date of Patent: July 11, 2006Assignee: Eastman Kodak CompanyInventors: YuanQiao Rao, Robert J. Kress
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Patent number: 6946240Abstract: The present invention relates to an imaging element comprising a support, an imaging layer, and at least one layer comprising a clay nanocomposite wherein said nanocomposite comprises a splayant and at least one natural clay particle having an aspect ratio of from 20:1 to 500:1.Type: GrantFiled: August 4, 2003Date of Patent: September 20, 2005Assignee: Eastman Kodak CompanyInventors: YuanQiao Rao, Joseph S. Sedita
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Patent number: 6939666Abstract: A heat-developable color photosensitive material of single sheet type, which comprises a support having provided thereon at least light-sensitive silver halide, a color developing agent or a precursor thereof, dye-forming couplers capable of forming dyes by reacting with an oxidation product of the color developing agent, a reducible silver salt, a thermal solvent and a binder, wherein a water-insoluble thermoplastic polymer prepared by polymerizing at least one kind of monomer is included in layers containing the dye-forming couplers, thereby preventing the dyes formed from bleeding to ensure high sharpness and making an improvement in raw-stock storability.Type: GrantFiled: April 8, 2003Date of Patent: September 6, 2005Assignee: Fuji Photo Film Co., Ltd.Inventor: Kazuhiko Matsumoto
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Patent number: 6762014Abstract: An image forming material is disclosed, comprising a support having thereon an image forming layer containing a light-insensitive organic silver salt and a reducing agent and a protective layer in that order, wherein the image forming layer or the protective layer contains a binder having a structure unit represented by the following formula in which Z is a divalent linkage group, R1 is a hydroxyl group, an alkyl group containing a hydroxyl group or an aryl group containing a hydroxyl group.Type: GrantFiled: May 30, 2003Date of Patent: July 13, 2004Assignee: Konica CorporationInventor: Toshihisa Takeyama
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Publication number: 20040121273Abstract: The invention provides a photothermographic material including, on a same surface of a substrate, a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, a development accelerator and a binder, the material containing, as the binder, a polymer formed by copolymerizing a monomer represented by the following general formula (M) in an amount from 10 to 70 mass %:Type: ApplicationFiled: November 28, 2003Publication date: June 24, 2004Inventors: Hajime Nakagawa, Yoshihisa Tsukada
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Publication number: 20040115572Abstract: A photothermographic material of the present invention has a support and an image-forming layer disposed thereon, and the image-forming layer contains a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder.Type: ApplicationFiled: December 2, 2003Publication date: June 17, 2004Inventors: Yoshihisa Tsukada, Hajime Nakagawa
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Publication number: 20040115557Abstract: The invention relates to an imaging element comprising a pragmatic imaging sheet comprising paper having a resin coat on each side, adhesively adhered to a carrier sheet with a pressure-sensitive adhesive, comprising at least one core layer of polyester and a rough lower surface layer.Type: ApplicationFiled: December 11, 2002Publication date: June 17, 2004Applicant: Eastman Kodak CompanyInventors: Robert P. Bourdelais, Cheryl J. Kaminsky, John M. Palmeri, William Baum, Philip J. Smith, Timothy J. Giarrusso
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Patent number: 6749982Abstract: An imaging member comprising a polymer sheet, a primer layer contacting said polymer sheet, and an image receiving layer contacting said primer layer; wherein said primer layer comprises: a) polyethyleneimine; and b) latex; wherein the latex has a Tg lower than 25° C. and c) hydrophilic colloid material.Type: GrantFiled: September 27, 2002Date of Patent: June 15, 2004Assignee: Eastman Kodak CompanyInventors: Yuanqiao Rao, DeBasis Majumdar, Robert J. Kress, David E. Decker
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Publication number: 20040063023Abstract: An imaging member comprising a polymer sheet, a primer layer contacting said polymer sheet, and an image receiving layer contacting said primer layer; wherein said primer layer comprises: a) polyethyleneimine; and b) latex; wherein the latex has a Tg lower than 25° C. and c) hydrophilic colloid material.Type: ApplicationFiled: September 27, 2002Publication date: April 1, 2004Applicant: Eastman Kodak CompanyInventors: Yuanqiao Rao, DeBasis Majumdar, Robert J. Kress, David E. Decker
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Publication number: 20040063049Abstract: A silver salt photothermographic dry imaging material comprising a support having thereon a photosensitive layer and a polymer layer, wherein the polymer layer comprises a copolymer of: (i) a fluorine containing acrylate or a fluorine containing methacrylate; and (ii) a monomer having a hydrophobic group in the molecule.Type: ApplicationFiled: September 9, 2003Publication date: April 1, 2004Applicant: Konica CorporationInventors: Akihisa Nakajima, Eiichi Ueda, Shinji Kudo, Kenji Ohnuma, Chiaki Nagaike, Miyuki Teranishi
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Patent number: 6713241Abstract: Aqueous-based thermally sensitive emulsions and imaging materials include a mixture of binders in at least one imaging layer. These binder mixtures include from 70 to about 99 weight % of hydrophilic binders such as gelatin and gelatin derivatives, and the remainder of the total binder weight is composed of one or more hydrophobic binders or water-dispersible polymer latexes. These binder mixtures are particularly useful in imaging layers of thermographic and photothermographic materials and provide long term keeping and reduced crystallization of fatty acids.Type: GrantFiled: August 9, 2002Date of Patent: March 30, 2004Assignee: Eastman Kodak CompanyInventors: Kathleen M. Vaeth, Charles L. Bauer, Jon A. Hammerschmidt, David M. Teegarden
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Patent number: 6689546Abstract: Thermally developable materials that comprise a support have at least two backside layers. One of these layers can be a protective layer comprising a film-forming polymer. The materials also includes a non-imaging backside conductive layer comprising non-acicular metal antimonate particles in a mixture of two or more polymers that includes a first polymer serving to promote adhesion of the backside conductive layer directly to the support or other layers, and a second polymer that is different than and forms a single phase mixture with the first polymer.Type: GrantFiled: November 26, 2002Date of Patent: February 10, 2004Assignee: Eastman Kodak CompanyInventors: Gary E. LaBelle, Kumars Sakizadeh, Thomas J. Ludemann, Aparna V. Bhave, Oanh V. Pham
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Publication number: 20030207218Abstract: A photothermographic imaging material comprising a support having thereon a sublayer and a photosensitive layer in the order, the photosensitive layer comprising photosensitive silver halide grains, light-insensitive organic silver salt grains, a binder, and a reducing agent for silver ions, wherein the sublayer comprises: (i) a first polymer selected from the group consisting of a polyester and a polyester derivative; and (ii) a second polymer selected from the group consisting of a vinyl polymer latex, a water-soluble polymer containing a vinyl polymer component, a styrene-diolefin copolymer and a polyurethane.Type: ApplicationFiled: April 17, 2003Publication date: November 6, 2003Inventors: Takayuki Sasaki, Tadashi Arimoto, Kenji Ohnuma
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Patent number: 6630283Abstract: A photosensitive element includes a layer of a photosensitive material on a transparent, multilayer, polymeric support having numerous alternating layers of at least two different polymeric materials. The polymeric multilayer support reflects at least 50% of actinic radiation in the range of wavelengths to which the photosensitive material is sensitive. If the polymeric multilayer reflector includes numerous, thin, alternating layers located at the surface of the polymeric support closest to the photosensitive material, the element not only provides increased speed but also provides an antihalation effect. In another aspect, a multilayer reflector is located a distance removed from the photosensitive layer sufficient to reduce any woodgrain that would otherwise occur, while increasing speed.Type: GrantFiled: September 7, 2000Date of Patent: October 7, 2003Assignee: 3M Innovative Properties CompanyInventors: Sharon M. Simpson, Michael F. Weber, Nicholas A. Stacey
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Patent number: 6613502Abstract: A silver halide color photographic light-sensitive material having at least one blue-sensitive emulsion layer, at least one green-sensitive emulsion layer, and at least one red-sensitive emulsion layer on a transparent support, wherein the transparent support is a plastic support having two surfaces undercoated with an undercoat solution containing at least one compound selected from the group consisting of a water-miscible organic solvent except for alcohols, a substituted phenol having a molecular weight of 200 or less, and a substituted acetic acid in which at least one hydrogen atom on a methyl group of acetic acid is substituted with a halogen atom, and at least one photosensitive emulsion layer contains a specific coupler.Type: GrantFiled: December 17, 2002Date of Patent: September 2, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Naoto Matsuda, Hisashi Mikoshiba
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Patent number: 6586171Abstract: Since a coating film is cured to some extent by the gelation of the coating film in the chilling-zone process and the first-stage drying in the PAC drying process, then, it is fully dried by the second-stage drying in the HAC drying process, liquid scattering from the surface of the coating film during drying can be prevented, even if the binder is difficult to cure as in the coating film for a thermal-developable light-sensitive material. Thereby, good coating film surface condition and good photographic performance can be obtained.Type: GrantFiled: April 29, 2002Date of Patent: July 1, 2003Assignee: Fuji Photo Film Co., Ltd.Inventor: Junpei Iwado
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Patent number: 6562561Abstract: A heat-developable image-recording material which is heat-developed at a development temperature of from 80° C. to 140° C., and comprises, on both sides of a support, undercoat layers comprising a vinylidene chloride copolymer containing at least 70% by weight of vinylidene chloride monomer repeating units and having a thickness of 0.3 &mgr;m or more for each.Type: GrantFiled: July 21, 1999Date of Patent: May 13, 2003Assignee: Fuji Photo Film Co., Ltd.Inventor: Takashi Naoi
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Publication number: 20030087208Abstract: The invention relates to an imaging element comprising a coated coated paper base, a lower biaxially oriented sheet, and an upper biaxially oriented sheet.Type: ApplicationFiled: October 29, 2001Publication date: May 8, 2003Applicant: Eastman Kodak CompanyInventors: Robert P. Bourdelais, Peter T. Aylward, Geoffrey Mruk
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Patent number: 6555301Abstract: Photographic silver halide materials are prepared in a more economical and environmentally acceptable manner by using a specific matting agent in a adhesion-promoting layer between a polymeric support and one or more silver halide emulsion layers. The matting agent has an average particle size of at least 1 &mgr;m and up to about 10 &mgr;m and a glass transition temperature of at least 120° C. Specific matting agents are composed of a polymer represented by the following Structure I: wherein A represents recurring units derived from one or more polyfunctional ethylenically unsaturated polymerizable monomers, and B represents recurring units derived from one or more monofunctional ethylenically unsaturated polymerizable monomers, x is from about 5 to 100 weight %, and y is from 0 to about 95 weight %.Type: GrantFiled: July 9, 2002Date of Patent: April 29, 2003Assignee: Eastman Kodak CompanyInventors: Dennis E. Smith, Patrick M. Lynch, Pedro R. Quinones, Eric J. Adsit
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Patent number: 6528244Abstract: A photothermographic material exhibiting satisfactory photographic properties can be prepared using an aqueous dispersion of components. A photosensitive layer is formed by dispersing a binder and silver halide in an aqueous solvent containing at least 30 wt % of water to form an aqueous dispersion, coating the aqueous dispersion onto a support, and drying the coating. The binder is a polymer having an equilibrium moisture content of 0.1-2 wt % at 25° C. and RH 60% or a thermoplastic resin. The binder is preferably based on a styrene-butadiene copolymer. Fog is suppressed even when the material is stored in a humid atmosphere.Type: GrantFiled: August 22, 2000Date of Patent: March 4, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Kazunobu Katoh, Akira Hatakeyama
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Patent number: 6521398Abstract: A polyester film is disclosed comprising on its upper side a latex subbing layer, and a gelatin subbing layer which contains a black spacing agent. This polyester film can be advantageously used as support for several imaging elements, such as photographic materials, (photo)thermographic materials, and ink jet recording elements.Type: GrantFiled: June 26, 2001Date of Patent: February 18, 2003Assignee: Agfa-GevaertInventors: Roland Claes, Etienne Van Thillo
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Patent number: 6514680Abstract: A silver halide color photographic light-sensitive material having at least one blue-sensitive emulsion layer, at least one green-sensitive emulsion layer, and at least one red-sensitive emulsion layer on a transparent support, wherein the transparent support is a plastic support having two surfaces undercoated with an undercoat solution containing at least one compound selected from the group consisting of a water-miscible organic solvent except for alcohols, a substituted phenol having a molecular weight of 200 or less, and a substituted acetic acid in which at least one hydrogen atom on a methyl group of acetic acid is substituted with a halogen atom, and at least one photosensitive emulsion layer contains a specific coupler.Type: GrantFiled: June 5, 2001Date of Patent: February 4, 2003Assignee: Fuji Photo Film Co., Ltd.Inventors: Naoto Matsuda, Hisashi Mikoshiba
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Patent number: 6475697Abstract: A photothermographic dry imaging material is disclosed. The imaging material comprises a support, a photosensitive layer containing at least an organic silver salt, photosensitive silver halide, reducing agent and a binder, and a subbing layer containing a water-soluble polymer having a hydroxy group, provided on the support.Type: GrantFiled: March 26, 2001Date of Patent: November 5, 2002Assignee: Konica CorporationInventors: Tadashi Arimoto, Takayuki Sasaki, Yasuo Kurachi, Eiichi Ueda, Akihisa Nakajima
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Patent number: 6475713Abstract: The invention relates to an imaging member comprising at least two polymer sheets joined by solvent based thermoplastic adhesive applied to at least one said at least two polymer sheets between 15 and 50° C.Type: GrantFiled: November 3, 2000Date of Patent: November 5, 2002Assignee: Eastman Kodak CompanyInventors: Peter T. Aylward, Robert P. Bourdelais, Alphonse D. Camp, Thomas M. Smith
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Patent number: 6440548Abstract: A photographic element comprising a laminated base wherein said base comprises a voided polymer sheet having laminated thereto a biaxially oriented polyolefin sheet on the bottom of said polyester sheet and a biaxially oriented polyolefin sheet laminated to the top of said polyester sheet, wherein said photographic element has a bottom voided opacifying layer below at least one voided layer of said voided polymer sheet and a topside voided opacifying layer above said at least one voided layer of said voided polyester sheet.Type: GrantFiled: December 22, 1999Date of Patent: August 27, 2002Assignee: Eastman Kodak CompanyInventors: Robert P. Bourdelais, Peter T. Aylward, Alphonse D. Camp
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Patent number: 6436622Abstract: Multilayer thermographic materials have improved adhesion between a polymeric support and film-forming polymer-containing layers disposed thereon. This improved adhesion is provided by including in the adhesion-promoting layer next to the support two or more polymers having specific properties. At least one of the polymers adheres the layer to the support, and at least one other polymer is compatible or of the same class as the film-forming polymer in the upper layer, such as a thermographic imaging layer. This adhesion-promoting layer can be provided as a very thin “carrier” layer during coating operations so that desired imaging effects and functional properties are obtained.Type: GrantFiled: November 1, 2001Date of Patent: August 20, 2002Assignee: Eastman Kodak CompanyInventor: Thomas C. Geisler
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Patent number: 6432606Abstract: A red sensitive photographic recording material is disclosed having an emulsion layer with low silver halide and low binder content. It further comprises a polyester support having subbing layers on both sides and an anti-halation layer on the back side.Type: GrantFiled: June 26, 2001Date of Patent: August 13, 2002Assignee: Agfa-GevaertInventors: Roland Claes, Stefaan Lingier, Etienne Van Thillo
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Publication number: 20020061479Abstract: Multilayer thermographic materials have improved adhesion between a polymeric support and film-forming polymer-containing layers disposed thereon. This improved adhesion is provided by including in the adhesion-promoting layer next to the support two or more polymers having specific properties. At least one of the polymers adheres the layer to the support, and at least one other polymer is compatible or of the same class as the film-forming polymer in the upper layer, such as a thermographic imaging layer. This adhesion-promoting layer can be provided as a very thin “carrier” layer during coating operations so that desired imaging effects and functional properties are obtained.Type: ApplicationFiled: November 1, 2001Publication date: May 23, 2002Applicant: Eastman Kodak CompanyInventor: Thomas C. Geisler
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Patent number: 6355404Abstract: The invention relates to a display material comprising a base, said base comprising a polyester sheet comprising at least one voided polyester diffusion layer, at least one topside photosensitive silver halide layer on the topside of said base and at least one bottom side photosensitive layer on the bottom side of said base, below said at least one bottom side emulsion layer a tone enhancing layer, and below said tone enhancing layer an antihalation layer, wherein said display material has a light transmission of between 35 and 60 percent in the developed Dmin areas of the display material.Type: GrantFiled: December 6, 2000Date of Patent: March 12, 2002Assignee: Eastman Kodak CompanyInventors: Alphonse D. Camp, Peter T. Aylward, Robert P. Bourdelais, Thomas M. Laney, John L. Pawlak, Gary J. McSweeney
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Patent number: 6355405Abstract: Multilayer articles (including imaging elements) have improved adhesion between a polymeric support and film-forming polymer-containing layers disposed thereon. This improved adhesion is provided by including in the adhesion-promoting layer next to the support two or more polymers specific properties. At least one of the polymers adheres the layer to the support, and at least one other polymer is compatible or of the same class as the film-forming polymer in the upper layer. This adhesion-promoting layer can be provided as a very thin “carrier” layer during coating operations so that desired sensitometric effects and functional properties are obtained. Preferred imaging elements having such adhesion-promoting layers are photothermographic films.Type: GrantFiled: February 23, 2000Date of Patent: March 12, 2002Assignee: Eastman Kodak CompanyInventors: Thomas J. Ludemann, Gary E. LaBelle, Thomas C. Geisler, Jerry L. Warren, Anne E. Crump, Aparna V. Bhave
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Patent number: 6352822Abstract: The invention relates to a display material comprising a base said base comprising a polyolefin sheet comprising at least one voided polyolefin diffusion layer, at least one topside photosensitive silver halide layer on the topside of said base and at least one bottom side photosensitive layer on the bottom side of said base, below said bottom side emulsion a tone enhancing layer and below said tone enhancing layer an antihalation layer wherein said display material has a light transmission of between 35 and 60 percent in the developed Dmin areas of the display material.Type: GrantFiled: December 6, 2000Date of Patent: March 5, 2002Assignee: Eastman Kodak CompanyInventors: Alphonse D. Camp, Peter T. Aylward, Robert P. Bourdelais, John L. Pawlak, Gary J. McSweeney
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Patent number: 6348304Abstract: The invention relates to a photographic element comprising at least one layer of photosensitive silver halide, a base material wherein said base material comprises at least one bottom sheet of biaxially oriented polymer sheet and deformable tie layer material, wherein said deformable tie layer material yield stress of between 6 and 10 MPa in compression which is less than 10% the yield stress of any of the other layers in the element.Type: GrantFiled: August 22, 2000Date of Patent: February 19, 2002Assignee: Eastman Kodak CompanyInventors: Thaddeus S. Gula, Richard C. McElroy, Mamie Kam-Ng
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Patent number: 6344310Abstract: The invention relates to a photographic element consisting essentially of a transparent biaxially oriented polymer sheet, at least one emulsion adhering layer, and at least one light sensitive silver halide grain containing emulsion layer adhered to said emulsion adhering layer, wherein said polymer sheet is less than 76 micrometers.Type: GrantFiled: November 20, 1998Date of Patent: February 5, 2002Assignee: Eastman Kodak CompanyInventors: Robert P. Bourdelais, Peter T. Aylward, Thaddeus S. Gula, Alphonse D. Camp
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Patent number: 6329113Abstract: The invention relates to an imaging member comprising a base wherein said base comprises at least one layer of heat shrinkable sheet and at least one strength layer.Type: GrantFiled: June 5, 2000Date of Patent: December 11, 2001Assignee: Eastman Kodak CompanyInventors: Robert P. Bourdelais, Peter T. Aylward, Alphonse D. Camp, Geoffrey Mruk
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Patent number: 6300048Abstract: A photographic element comprising a film support base, an adhesion promoting layer, a subbing layer and at least one light-sensitive silver halide emulsion layer, wherein the adhesion promoting layer is close to the support and contains a self-crosslinkable vinyl addition copolymer and the subbing layer is positioned between the adhesion promoting layer and the emulsion layer. The present invention also refers to a photographic element comprising a film support base having coated on one side thereof at least one light-sensitive silver halide emulsion layer and on the opposite side thereof an adhesion promoting layer and at least one auxiliary layer, wherein the adhesion promoting layer is close to the support and contains a self-crosslinkable vinyl addition copolymer.Type: GrantFiled: April 26, 2000Date of Patent: October 9, 2001Inventors: Paola Puppo, Carlo Barlocco, Alberto Valsecchi
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Patent number: 6296983Abstract: This invention relates to a photographic element comprising a base paper, and biaxially oriented sheets on each side of said base paper wherein said biaxially oriented sheets and said base paper have the strongest direction of each web within 3 degrees of the machine direction or cross direction, and wherein each web has a machine direction to cross machine direction stiffness ratio of greater than 1.5 or less than 0.7.Type: GrantFiled: November 20, 1998Date of Patent: October 2, 2001Assignee: Eastman Kodak CompanyInventors: Thaddeus S. Gula, Peter T. Aylward, Robert P. Bourdelais
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Patent number: 6296995Abstract: The invention relates to A reflective base photographic element comprising a support material comprising a microvoided biaxially oriented polymer sheet having an upper surface L* of at least 93.5 and imaging layers wherein said imaging layers have an exposure range of between 125 to 0.5 when there is a Status A reflection density shoulder loss of no more than 8 percent as a function of the cyan record, wherein said photographic element has an exposure range of at least 125 nanoseconds to 0.5 seconds when there is a Status A reflection density shoulder loss of no more than 8 percent as a function of the magenta color record, wherein said photographic element has an exposure range of at least 125 nanoseconds to 0.5 seconds when there is a Status A reflection density shoulder loss of no more than 4 percent as a function of the yellow color record, and wherein said photographic element has a Status A reflection density minimum of less than 0.Type: GrantFiled: January 11, 2000Date of Patent: October 2, 2001Assignee: Eastman Kodak CompanyInventors: Alphonse D. Camp, Peter T. Aylward, Robert P. Bourdelais
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Patent number: 6277547Abstract: The invention relates to an element consisting essentially of a transparent polymer sheet, at least one emulsion adhering layer, and at least one light sensitive silver halide grain containing emulsion layer adhered to said emulsion adhering layer, wherein said polymer sheet is less than 40 &mgr;m in thickness.Type: GrantFiled: September 30, 1999Date of Patent: August 21, 2001Assignee: Eastman Kodak CompanyInventors: Robert P. Bourdelais, Peter T. Aylward, Alphonse D. Camp, Thaddeus S. Gula
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Patent number: 6274247Abstract: There is disclosed a polyester support, which has the dimensional change with the lapse of time after heating which corresponds to heat development, in a range of from −0.03% to +0.05% both in the longitudinal direction and the transverse direction. There is also disclosed a low-heat-shrinkage film, which has a dimensional change immediately after a heat treatment, which corresponds to a heat development, in a range of from 0% to +0.05% in both the longitudinal direction and the transverse direction. There is also disclosed a heat-development photographic light-sensitivity material, which comprises the support or the film as a support.Type: GrantFiled: May 25, 1999Date of Patent: August 14, 2001Assignee: Fuji Photo Film Co., Ltd.Inventors: Kiyokazu Hashimoto, Sumio Nishikawa
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Patent number: 6274284Abstract: The invention relates to an imaging member comprising an image layer, a voided layer below said image layer, and below said voided layer a layer comprising white pigment wherein said imaging member is substantially free of white pigment above said voided layer, and said voided layer comprises a polymer matrix and voids containing gas.Type: GrantFiled: December 22, 1999Date of Patent: August 14, 2001Assignee: Eastman Kodak CompanyInventors: Peter T. Aylward, Alphonse D. Camp, Robert P. Bourdelais
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Patent number: 6270950Abstract: A photographic element comprising a laminated base wherein said base comprises a voided polyester sheet having laminated thereto a biaxially oriented polyolefin sheet on the bottom of said polyester sheet and a biaxially oriented polyolefin sheet laminated to the top of said polyester sheet.Type: GrantFiled: October 5, 1999Date of Patent: August 7, 2001Assignee: Eastman Kodak CompanyInventors: Robert P. Bourdelais, Alphonse D. Camp, Peter T. Aylward
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Patent number: 6242142Abstract: The invention relates to a photographic element comprising a translucent base and a color forming layer comprising at least one silver halide emulsion layer and dye forming coupler, wherein said base comprises at least one polymer sheet comprising a transparent polymer sheet containing voids, with the proviso that said translucent sheet is substantially free of white light reflecting pigments and wherein said translucent sheet has a light transmission of between 15% and 85%.Type: GrantFiled: April 25, 2000Date of Patent: June 5, 2001Assignee: Eastman Kodak CompanyInventors: Alphonse D. Camp, Peter T. Aylward, Robert P. Bourdelais
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Patent number: 6235459Abstract: An imaging support element comprising a polymeric film support and a thermally stable single subbing layer is made by forming a coating over the polymeric film support, the coating having a surface including amine reactive groups in a density of at least 1010 per cm2 and then heat treating the polymeric film support with the coating thereon at a temperature in the range of from about 50° C. below the glass transition temperature (Tg) of the polymeric support up to the glass transition temperature (Tg) of the polymeric support. The polymeric film support is nitrogen plasma treated. The layer is preferably formed by coating a monomer solution on the nitrogen plasma treated polymer support wherein the coated monomer has at least two vinyl sulfone groups which provide the amine reactive groups. Alternatively, the layer may be formed by applying to the polymeric support web a coating including at least one non-amine reactive comonomer and at least one comonomer having amine reactive side groups.Type: GrantFiled: December 20, 1999Date of Patent: May 22, 2001Assignee: Eastman Kodak CompanyInventors: Jeremy M. Grace, Louis J. Gerenser, Wayne A. Bowman, Elizabeth G. Burns, Richard A. Castle, David M. Teegarden
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Patent number: 6228571Abstract: A photothermographic material has on one surface of a support at least one photosensitive layer containing a photosensitive silver halide, an organic silver salt, and a reducing agent. A non-photosensitive layer or back layer is formed on the back surface of the support by applying a coating solution of a binder containing at least 50% by weight of a polymer latex dispersed in a solvent containing at least 30% by weight of water and drying the coating. The polymer latex is of a polymer having an equilibrium moisture content of less than 2% by weight at 25° C. and RH 60%. The back layer can be coated at a low cost without a need for a harmful organic solvent. Upon storage in a humid atmosphere, sheets of the material are minimized in fog and free of sticking.Type: GrantFiled: June 18, 1997Date of Patent: May 8, 2001Assignee: Fuji Photo Film Co., Ltd.Inventor: Akira Hatakeyama
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Patent number: 6218059Abstract: This invention relates to a photographic element comprising at least one photosensitive layer, and a base material comprising an upper and lower biaxially oriented polymer sheet separated by a paper sheet, wherein said base material has a thickness of greater than 254 micrometers, a stiffness of greater than 325 millinewtons in any direction, and an upper surface roughness of less than 0.45 micrometers at a spatial frequency of between 0.30 and 6.35 millimeters, and a transmission percent of less than 15 percent.Type: GrantFiled: December 22, 1999Date of Patent: April 17, 2001Assignee: Eastman Kodak CompanyInventors: Peter T. Aylward, Robert P. Bourdelais, Alphonse D. Camp