Patents by Inventor Kevin L. Bishop
Kevin L. Bishop has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10120083Abstract: A storage phosphor panel can include an extruded inorganic storage phosphor layer including a thermoplastic polyolefin and an inorganic storage phosphor material, where the extruded inorganic storage phosphor panel has a DQE comparable to that of a traditional extruded inorganic solvent coated inorganic storage phosphor screen. Also disclosed is an inorganic storage phosphor detection system including an extruded inorganic storage phosphor panel that can include an extruded inorganic storage phosphor layer including a thermoplastic olefin and an inorganic storage phosphor material; and photodetector(s) coupled to the extruded inorganic storage phosphor panel to detect photons generated from the extruded inorganic storage phosphor panel.Type: GrantFiled: May 29, 2014Date of Patent: November 6, 2018Assignee: Carestream Dental Technology Topco LimitedInventors: Seshadri Jagannathan, Chang-Ying Joseph Yang, Kevin L. Bishop, Mark S. Purdum
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Patent number: 9869778Abstract: Described is a scintillator screen including a plurality of filaments. Each of the plurality of filaments includes scintillating particles dispersed within a thermoplastic polymer. The thermoplastic polymer includes an elastic additive. The scintillating particles are from about 10 volume percent to about 60 volume percent of each of the plurality of filaments. Each of the plurality of filaments has a refractive index of greater than or equal to 1.5. The plurality of filaments are substantially parallel to each other and are at a volume packing of from about 60 percent to about 90 percent.Type: GrantFiled: November 8, 2013Date of Patent: January 16, 2018Inventors: Seshadri Jagannathan, Charles M. Rankin, David Gruszczynski, Jean-Marc Inglese, Kevin L. Bishop, Richard A. Lombardo
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Publication number: 20160131770Abstract: Described is a scintillator screen including a plurality of filaments. Each of the plurality of filaments includes scintillating particles dispersed within a thermoplastic polymer. The thermoplastic polymer includes an elastic additive. The scintillating particles are from about 10 volume percent to about 60 volume percent of each of the plurality of filaments. Each of the plurality of filaments has a refractive index of greater than or equal to 1.5. The plurality of filaments are substantially parallel to each other and are at a volume packing of from about 60 percent to about 90 percent.Type: ApplicationFiled: November 8, 2013Publication date: May 12, 2016Applicant: Carestream Health, Inc.Inventors: Seshadri Jagannathan, Charles M. Rankin, David Gruszczynski, Jean-Marc Inglese, Kevin L. Bishop, Richard A. Lombardo
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Patent number: 9223034Abstract: Provided herein are laminated devices including an extruded scintillation screen comprising a scintillator material that does not attract dust, and a thermally-sensitive elastomer binder; and a fiber optic plate. Also provided herein are methods of making a laminated device and methods of making an X-ray imaging panel.Type: GrantFiled: January 9, 2012Date of Patent: December 29, 2015Assignee: Carestream Health, Inc.Inventors: Brian P. Aylward, Seshadri Jagannathan, Kevin L. Bishop, Richard A. Lombardo
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Patent number: 9211565Abstract: There is described a digital radiography panel that includes a scintillator screen, an adhesive layer and a flat panel detector. The scintillator screen includes a supporting layer; a phosphor dispersed in a polymeric binder disposed on the supporting layer and an antistatic layer disposed on the polymeric binder, wherein the antistatic layer has a transparency of greater than 95 percent at a wavelength of from about 400 nm to 600 nm and a surface resistivity of less than 105 ohms per square. The adhesive layer is disposed on the scintillator screen and includes a material selected from the group consisting of acrylic polymers and urethane polymers. The adhesive layer has a thickness of from about 5 ?m to about 15 ?m. The adhesive layer has a transmittance of greater than 95 percent at a wavelength of from about 400 nm to 600 nm. The flat panel detector is disposed on the adhesive layer.Type: GrantFiled: February 25, 2013Date of Patent: December 15, 2015Assignee: Carestream Health, Inc.Inventors: Seshadri Jagannathan, David Gruszczynski, Charles M. Rankin, Kevin L. Bishop, Brian P. Aylward
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Publication number: 20150301198Abstract: Described is a scintillator screen including a plurality of filaments. Each of the plurality of filaments includes scintillating particles dispersed within a thermoplastic polymer. The thermoplastic polymer includes an elastic additive. The scintillating particles are from about 10 volume percent to about 60 volume percent of each of the plurality of filaments. Each of the plurality of filaments has a refractive index of greater than or equal to 1.5. The plurality of filaments are substantially parallel to each other and are at a volume packing of from about 60 percent to about 90 percent.Type: ApplicationFiled: November 8, 2013Publication date: October 22, 2015Applicant: Carestream Health, Inc.Inventors: Seshadri Jagannathan, Charles M. Rankin, David Gruszczynski, Jean-Marc Inglese, Kevin L. Bishop, Richard A. Lombardo
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Patent number: 9079217Abstract: There is described a method of manufacturing a digital radiography panel. The method includes providing a scintillator screen and spray coating an acrylic adhesive composition on the scintillator screen. A flat panel detector and the scintillator screen with acrylic adhesive composition are compressed together at a force of about 5 psi to about 15 psi, at an atmospheric pressure of about 0.3 Torr to about 100.0 Torr for a time sufficient to affix the flat panel detector to the scintillator screen to form the digital radiography panel.Type: GrantFiled: February 25, 2013Date of Patent: July 14, 2015Assignee: Carestream Health, Inc.Inventors: Seshadri Jagannathan, Timothy J. Tredwell, Eric L. Dillenbeck, David Gruszczynski, Daniel M. Leusch, Charles M. Rankin, Bradley S. Jadrich, Brian P. Aylward, Kevin L. Bishop
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Publication number: 20140291528Abstract: A storage phosphor panel can include an extruded inorganic storage phosphor layer including a thermoplastic polyolefin and an inorganic storage phosphor material, where the extruded inorganic storage phosphor panel has a DQE comparable to that of a traditional extruded inorganic solvent coated inorganic storage phosphor screen. Also disclosed is an inorganic storage phosphor detection system including an extruded inorganic storage phosphor panel that can include an extruded inorganic storage phosphor layer including a thermoplastic olefin and an inorganic storage phosphor material; and photodetector(s) coupled to the extruded inorganic storage phosphor panel to detect photons generated from the extruded inorganic storage phosphor panel.Type: ApplicationFiled: May 29, 2014Publication date: October 2, 2014Inventors: Seshadri Jagannathan, Chang-Ying Joseph Yang, Kevin L. Bishop, Mark S. Purdum
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Patent number: 8766196Abstract: A transparent scintillator panel including an extruded scintillation layer comprising a thermoplastic polyolefin and a scintillator material, wherein the transparent scintillator panel has an intrinsic MTF at least 5% greater than the iH50 of a solvent-coated DRZ+ screen. Also disclosed is a scintillation detection system including a transparent scintillator panel comprising an extruded scintillation layer comprising a thermoplastic olefin and a scintillator material; and at least one photodetector coupled to the transparent scintillator panel, wherein at least one photodetector is configured to detect photons generated from the transparent scintillator panel. Further disclosed is a method of making a transparent scintillator panel including providing thermoplastic particles comprising at least one thermoplastic polyolefin and a scintillator material; and melt extruding the thermoplastic particles to form an extruded scintillation layer.Type: GrantFiled: June 28, 2011Date of Patent: July 1, 2014Assignee: Carestream Health, Inc.Inventors: Seshadri Jagannathan, Chang-Ying Joseph Yang, Kevin L. Bishop, Mark S. Purdum
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Patent number: 8629402Abstract: Provided herein are scintillator screens comprising a substrate; a scintillation layer disposed over the substrate, the scintillation layer comprising a scintillator material; and an adhesive layer disposed by solvent coating over the scintillation layer, the adhesive layer comprising solvent-coatable thermally-sensitive elastomer, wherein the adhesive layer has a dust adhesion of ?1 dust particles/sq.in.Type: GrantFiled: November 21, 2011Date of Patent: January 14, 2014Assignee: Carestream Health, Inc.Inventors: Brian P. Aylward, Seshadri Jagannathan, Kevin L. Bishop, Richard A. Lombardo
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Publication number: 20130220514Abstract: There is described a method of manufacturing a digital radiography panel. The method includes providing a scintillator screen and spray coating an acrylic adhesive composition on the scintillator screen. A flat panel detector and the scintillator screen with acrylic adhesive composition are compressed together at a force of about 5 psi to about 15 psi, at an atmospheric pressure of about 0.3 Torr to about 100.0 Torr for a time sufficient to affix the flat panel detector to the scintillator screen to form the digital radiography panel.Type: ApplicationFiled: February 25, 2013Publication date: August 29, 2013Inventors: Seshadri Jagannathan, Timothy J. Tredwell, Eric L. Dillenbeck, David Gruszczynski, Daniel M. Leusch, Charles M. Rankin, Bradley S. Jadrich, Brian P. Aylward, Kevin L. Bishop
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Publication number: 20130221229Abstract: There is described a digital radiography panel that includes a scintillator screen, an adhesive layer and a flat panel detector. The scintillator screen includes a supporting layer; a phosphor dispersed in a polymeric binder disposed on the supporting layer and an antistatic layer disposed on the polymeric binder, wherein the antistatic layer has a transparency of greater than 95 percent at a wavelength of from about 400 nm to 600 nm and a surface resistivity of less than 105 ohms per square. The adhesive layer is disposed on the scintillator screen and includes a material selected from the group consisting of acrylic polymers and urethane polymers. The adhesive layer has a thickness of from about 5 ?m to about 15 ?m. The adhesive layer has a transmittance of greater than 95 percent at a wavelength of from about 400 nm to 600 nm. The flat panel detector is disposed on the adhesive layer.Type: ApplicationFiled: February 25, 2013Publication date: August 29, 2013Inventors: Seshadri Jagannathan, David Gruszczynski, Charles M. Rankin, Kevin L. Bishop, Brian P. Aylward
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Publication number: 20130177773Abstract: Provided herein are laminated devices including an extruded scintillation screen comprising a scintillator material that does not attract dust, and a thermally-sensitive elastomer binder; and a fiber optic plate. Also provided herein are methods of making a laminated device and methods of making an X-ray imaging panel.Type: ApplicationFiled: January 9, 2012Publication date: July 11, 2013Inventors: Brian P. Aylward, Seshadri Jagannathan, Kevin L. Bishop, Richard A. Lombardo
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Publication number: 20130126753Abstract: Provided herein are scintillator screens comprising a substrate; a scintillation layer disposed over the substrate, the scintillation layer comprising a scintillator material; and an adhesive layer disposed by solvent coating over the scintillation layer, the adhesive layer comprising solvent-coatable thermally-sensitive elastomer, wherein the adhesive layer has a dust adhesion of ?1 dust particles/sq.in.Type: ApplicationFiled: November 21, 2011Publication date: May 23, 2013Inventors: Brian P. Aylward, Seshadri Jagannathan, Kevin L. Bishop, Richard A. Lombardo
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Publication number: 20130001423Abstract: A transparent scintillator panel including an extruded scintillation layer comprising a thermoplastic polyolefin and a scintillator material, wherein the transparent scintillator panel has an intrinsic MTF at least 5% greater than the iH50 of a solvent-coated DRZ+ screen. Also disclosed is a scintillation detection system including a transparent scintillator panel comprising an extruded scintillation layer comprising a thermoplastic olefin and a scintillator material; and at least one photodetector coupled to the transparent scintillator panel, wherein at least one photodetector is configured to detect photons generated from the transparent scintillator panel. Further disclosed is a method of making a transparent scintillator panel including providing thermoplastic particles comprising at least one thermoplastic polyolefin and a scintillator material; and melt extruding the thermoplastic particles to form an extruded scintillation layer.Type: ApplicationFiled: June 28, 2011Publication date: January 3, 2013Inventors: Seshadri Jagannathan, Chang-Ying Joseph Yang, Kevin L. Bishop, Mark S. Purdum
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Patent number: 8338514Abstract: A melt-processed polyolefin composition or composite includes a polyolefin compounded with a hindered amine light stabilizer, an organodisulfide antioxidant, and silver sulfate as an antimicrobial agent. A process of preparing such a composite includes compounding all of the compounds in various orders as long as the silver sulfate is added after the hindered amine light stabilizer is added to the polymer.Type: GrantFiled: December 19, 2008Date of Patent: December 25, 2012Assignee: Eastman Kodak CompanyInventors: Thomas N. Blanton, David W. Sandford, Kevin L. Bishop
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Patent number: 8158140Abstract: A polymer composite comprising a thermoplastic polyamide polymer compounded with an organo-disulfide additive and a silver-based antimicrobial agent is disclosed. The organo-disulfide additive inhibits undesirable discoloration of the thermoplastic polyamide polymer including one or more silver-based antimicrobial agent. Processes for preparing the composite are also disclosed, including compounding the organo-disulfide additive in a polymeric carrier with the silver-based antimicrobial agent, then with the thermoplastic polyamide polymer, or compounding the organo-disulfide additive with the thermoplastic polyamide polymer before adding the silver-based antimicrobial agent.Type: GrantFiled: October 14, 2008Date of Patent: April 17, 2012Assignee: Eastman Kodak CompanyInventors: Thomas N. Blanton, David W. Sandford, Kevin L. Bishop
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Publication number: 20100160486Abstract: A melt-processed polyolefin composition or composite includes a polyolefin compounded with a hindered amine light stabilizer, an organodisulfide antioxidant, and silver sulfate as an antimicrobial agent. A process of preparing such a composite includes compounding all of the compounds in various orders as long as the silver sulfate is added after the hindered amine light stabilizer is added to the polymer.Type: ApplicationFiled: December 19, 2008Publication date: June 24, 2010Inventors: Thomas N. Blanton, David W. Sandford, Kevin L. Bishop
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Publication number: 20100093851Abstract: A polymer composite comprising a thermoplastic polyamide polymer compounded with an organo-disulfide additive and a silver-based antimicrobial agent is disclosed. The organo-disulfide additive inhibits undesirable discoloration of the thermoplastic polyamide polymer including one or more silver-based antimicrobial agent. Processes for preparing the composite are also disclosed, including compounding the organo-disulfide additive in a polymeric carrier with the silver-based antimicrobial agent, then with the thermoplastic polyamide polymer, or compounding the organo-disulfide additive with the thermoplastic polyamide polymer before adding the silver-based antimicrobial agent.Type: ApplicationFiled: October 14, 2008Publication date: April 15, 2010Inventors: Thomas N. Blanton, David W. Sandford, Kevin L. Bishop
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Patent number: 7579396Abstract: A polymer composite comprising a thermoplastic polymer compounded with a phenolic antioxidant, an organo-disulfide antioxidant, and a silver-based antimicrobial agent. The specified combination of antioxidant stabilizers is superior in inhibiting undesirable discoloration of thermoplastic polymers in the presence of compounded silver-based antimicrobial agents. A process of preparing such a composite, comprising compounding the phenolic antioxidant and organo-disulfide antioxidant with the thermoplastic polymer prior to compounding the silver-based antimicrobial agent with the thermoplastic polymer.Type: GrantFiled: January 31, 2007Date of Patent: August 25, 2009Assignee: Eastman Kodak CompanyInventors: Thomas N. Blanton, Narasimharao Dontula, Seshadri Jagannathan, Kevin L. Bishop, David W. Sandford, Craig L. Barnes