Patents by Inventor David Terrell
David Terrell 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: 7939124Abstract: Methods for producing an information carrier produced by: (1) providing an information carrier precursor comprising a 5 rigid sheet or support; a receiving layer configuration having an image-receiving side and a non-image-receiving side, the receiving layer configuration comprising at least one pigment and at least one binder, (2) pattern-wise or integrally at least partially transparentizing the receiving layer configuration with a vaporizable liquid thereby providing a transparent pattern on the at least partially transparentized receiving layer; (3) using a light source to write a pattern or modify the pattern in the layer or element capable of a machine-readable change upon absorption of UV, visible or IR 25 radiation after transmission through at least part of the transparentized areas of the receiving layer configuration; evaporating the vaporizable liquid, thereby producing an information carrier.Type: GrantFiled: April 20, 2007Date of Patent: May 10, 2011Assignee: Agfa-Gevaert, N.V.Inventors: Luc Leenders, David Terrell
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Publication number: 20080136161Abstract: Methods for producing an information carrier comprising the steps of: (1) providing an information carrier precursor comprising a rigid sheet or support; a receiving layer configuration having an image-receiving side and a non-image-receiving side, the receiving layer configuration comprising at least one pigment and at least one binder, wherein at least one constituent layer of the receiving layer configuration is opaque; at least the outermost layer on the image-receiving side or a layer in diffusive contact with the outermost layer on the image-receiving side is opaque and porous; and the receiving layer configuration is capable of being rendered substantially transparent by penetration by a lacquer; and a layer or element, or pattern in the layer or element, capable of a machine-readable change upon absorbing UV, visible or IR radiation, the layer or element being either the surface of the rigid sheet or support or interposed between the rigid sheet or support and the non-image-receiving side of the receiType: ApplicationFiled: April 20, 2007Publication date: June 12, 2008Applicant: AGFA-GEVAERTInventors: Luc Leenders, David Terrell
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Patent number: 6863955Abstract: A material having a conductive pattern, the material comprising a support and a conductive element, the conductive element being 500 nm thick or less and containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conductive element is an outermost surface of the material and the other surface of the conductive element is contiguous with a patterned surface, the patterned surface consisting of at least two types of surface element, and those parts of the conductive element contiguous with a type A surface element exhibiting a surface resistance at least a factor of ten greater than those parts of the conductive element contiguous with a type B surface element.Type: GrantFiled: August 11, 2003Date of Patent: March 8, 2005Assignee: Agfa-GevaertInventors: Johan Lamotte, David Terrell
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Patent number: 6759083Abstract: A material having a conductive pattern, the material comprising a support and a conductive element, the conductive element being 500 nm thick or less and containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conductive element is an outermost surface of the material and the other surface of the conductive element is contiguous with a patterned surface, the patterned surface consisting of at least two types of surface element, and those parts of the conductive element contiguous with a type A surface element exhibiting a surface resistance at least a factor of ten greater than those parts of the conductive element contiguous with a type B surface element; a material for making a conductive pattern, the material comprising a support and a conductive element, the conductive element containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conductive element is an outermost surface of the material, the other surfaceType: GrantFiled: August 12, 2003Date of Patent: July 6, 2004Assignee: Agfa-GevaertInventors: Johan Lamotte, David Terrell
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Patent number: 6746751Abstract: A material for making a conductive pattern, the material comprising a support and a conductive element, the conductive element containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conductive element is an outermost surface of the material, the other surface of the conductive element is contiguous with a patterned surface, the patterned surface consisting of at least two types of surface element, and those parts of the conductive element contiguous with one type of the surface elements are capable of being at least partially removed by a developer.Type: GrantFiled: June 20, 2002Date of Patent: June 8, 2004Assignee: Agfa-GevaertInventors: Johan Lamotte, David Terrell
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Publication number: 20040048051Abstract: A material having a conductive pattern, the material comprising a support and a conductive element, the conductive element being 500 nm thick or less and containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conductive element is an outermost surface of the material and the other surface of the conductive element is contiguous with a patterned surface, the patterned surface consisting of at least two types of surface element, and those parts of the conductive element contiguous with a type A surface element exhibiting a surface resistance at least a factor of ten greater than those parts of the conductive element contiguous with a type B surface element; a material for making a conductive pattern, the material comprising a support and a conductive element, the conductive element containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conductive element is an outermost surface of the material, the other surfaceType: ApplicationFiled: August 12, 2003Publication date: March 11, 2004Applicant: AGFA-GEVAERTInventors: Johan Lamotte, David Terrell
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Publication number: 20040048048Abstract: A material having a conductive pattern, the material comprising a support and a conductive element, the conductive element being 500 nm thick or less and containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conductive element is an outermost surface of the material and the other surface of the conductive element is contiguous with a patterned surface, the patterned surface consisting of at least two types of surface element, and those parts of the conductive element contiguous with a type A surface element exhibiting a surface resistance at least a factor of ten greater than those parts of the conductive element contiguous with a type B surface element; a material for making a conductive pattern, the material comprising a support and a conductive element, the conductive element containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conductive element is an outermost surface of the material, the other surfaceType: ApplicationFiled: August 11, 2003Publication date: March 11, 2004Applicant: AGFA-GEVAERTInventors: Johan Lamotte, David Terrell
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Publication number: 20030124319Abstract: A material having a conductive pattern, the material comprising a support and a conductive element, the conductive element being 500 nm thick or less and containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conductive element is an outermost surface of the material and the other surface of the conductive element is contiguous with a patterned surface, the patterned surface consisting of at least two types of surface element, and those parts of the conductive element contiguous with a type A surface element exhibiting a surface resistance at least a factor of ten greater than those parts of the conductive element contiguous with a type B surface element; a material for making a conductive pattern, the material comprising a support and a conductive element, the conductive element containing a polyanion and an intrinsically conductive polymer, characterized in that one surface of the conductive element is an outermost surface of the material, the other surfaceType: ApplicationFiled: June 20, 2002Publication date: July 3, 2003Applicant: AGFA-GEVAERTInventors: Johan Lamotte, David Terrell
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Patent number: 6541128Abstract: An electroluminescent arrangement which contains a substrate, an anode, an electroluminescent element, a cathode, and said anode or said cathode is transparent in the visible spectral range and the electroluminescent element is a single layer containing an optionally substituted tris-1,3,5-(aminophenyl)benzene compound (A), a luminescent component B) or a electron-conducting charge-transporting substance.Type: GrantFiled: February 9, 1999Date of Patent: April 1, 2003Assignee: Bayer AktiengesellschaftInventors: Rolf Wehrmann, Andreas Elschner, Martin Hueppauff, Christoph Jonda, David Terrell, Dirk Quintens, Hartwig Andries
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Publication number: 20020136921Abstract: The invention concerns electroluminescent arrangements composed of a substrate, an anode, an electroluminescent element and a cathode, at least one of the two electrodes being transparent in the visible spectrum range. The electroluminescent electrode can contain the following components in sequence: an electroluminescent, holeinjecting, holetransporting zone, an electrontransporting zone and an electron-injecting zone. The invention is characterized in that the holeinjecting and holetransporting zone contains an optionally substituted tris 1,3,5(aminophenyl) benzene compound A or a mixture thereof, and the electroluminescent element optionally contains a further functionalized compound selected from the group comprising holetransporting materials, a luminescent material B and optionally electrontransporting materials. In addition to component A, the holeinjecting and holetransporting zone can comprise one a plurality of further holetransporting compounds.Type: ApplicationFiled: February 9, 1999Publication date: September 26, 2002Inventors: ROLF WEHRMANN, ANDREAS ELSCHNER, MARTIN HUEPPAUFF, CHRISTOPH JONDA, DAVID TERRELL, DIRK QUINTENS, HARTWIG ANDRIES
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Patent number: 6348308Abstract: A substantially light-insensitive monosheet recording material comprising a support and a thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith and a binder, wherein the thermosensitive element further contains an unsaturated carbocyclic or heterocyclic stabilizer compound substituted with a —SA group where A is hydrogen, a counterion to compensate the negative charge of the thiolate group or a group forming a symmetrical or an asymmetrical disulfide and the recording material is capable of producing prints with a numerical gradation value defined as the quotient of the fraction (2.5-0.1)/(E2.5-E0.1) greater than 2.3 , where E2.5 is the energy in Joule applied in a dot area of 87 &mgr;m×87 &mgr;m of the imaging layer that produces an optical density value of 2.5, and E0.Type: GrantFiled: August 17, 1998Date of Patent: February 19, 2002Assignee: Agfa-GevaertInventors: Johan Loccufier, David Terrell, Carlo Uyttendaele, Bartholomeus Horsten
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Patent number: 6174635Abstract: An electrophotographic recording material comprising a conductive support and a photosensitive layer containing a photoconductive crystalline substituted metal-free phthalocyanine compound and/or mixed crystals of said substituted metal-free phthalocyanine compounds with unsubstituted metal-free phthalocyanine, wherein said substituted metal-free phthalocyanine compound represented by general formula (I) defined herein contains a halogen, nitro or cyano substituent, and the major part by weight of said substituted metal-free phthalocyanine compound and the mixed crystals of said substituted metal-free phthalocyanine compound with unsubstituted metal-free phthalocyanine is (are) present in the X-morphological form.Type: GrantFiled: March 23, 1995Date of Patent: January 16, 2001Assignee: AGFA-Gevaert, N.V.Inventors: David Terrell, Stefaan De Meutter, Bernd Kaletta
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Patent number: 6099997Abstract: A photosensitive recording material containing a support and a charge generating layer (CGL) in contiguous relationship (contact) with a charge transporting layer (CTL), containing an n-charge transporting material (n-CTM), wherein the binder of the charge generating layer (CGL) is made insoluble in methylene chloride by crosslinking, and the binder is composed essentially of one or more polyepoxy compounds self-crosslinked under the influence of an amine catalyst and/or crosslinked by reaction with at least one primary and/or secondary poly NH-group amine.Type: GrantFiled: June 27, 1996Date of Patent: August 8, 2000Assignee: Agfa-Gevaert, N.V.Inventors: David Terrell, Stefaan De Meutter, Marcel Monbaliu
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Patent number: 6093528Abstract: A substantially light-insensitive black and white monosheet thermographic recording material is provided comprising a support and a thermosensitive element containing a substantially light-insensitive organic silver salt, a 1,2-dihydroxyphenyl-compound in thermal working relationship therewith and a binder, wherein the 1,2-dihydroxyphenyl-compound is represented by formula (I): ##STR1## where R is --P(.dbd.O)R.sup.1 R.sup.2, --SO.sub.x R.sup.3, --CN, --NO.sub.2 or --CR.sup.4 .dbd.NR.sup.5 when n is 0; R is --P(.dbd.O)R.sup.1 R.sup.2, --SO.sub.x R.sup.3, --CN, --NO.sub.2, --CR.sup.4 .dbd.NR.sup.5 or --COR.sup.6 when n is an integer; R.sup.1 and R.sup.2 are independently an alkyl, an aryl, an alkoxy, an aryloxy, a hydroxy or an amino group; R.sup.3 is an alkyl, an aryl or an amino group; R.sup.4 is an alkyl or an aryl group or hydrogen; R.sup.5 is an alkyl, an aryl, a hydroxy, an alkoxy, an aryloxy, an acyl or an amino amino group; R.sup.Type: GrantFiled: August 27, 1998Date of Patent: July 25, 2000Assignee: Agfa-GevaertInventors: David Terrell, Johan Loccufier, Geert Defieuw, Ivan Hoogmartens
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Patent number: 6010843Abstract: A photothermographic recording material comprising a support and a photo-addressable thermally developable element containing a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith, photosensitive silver halide spectrally sensitized with a dye and in catalytic association with the substantially light-insensitive organic silver salt and a binder, wherein the photo-addressable thermally developable element further includes a hydrazine compound represented by the formula (I): ##STR1## wherein: Z represents the necessary atoms to close a heterocyclic ring which is either a five-membered ring containing at least two heteroatoms or a six-membered ring, which ring may carry one or more fused-on rings, and which ring must contain a C--H bond permitting oxidative aromatisation to an acyl-onium group by means of a hydride shift or a consecutive 2-electron-proton transfer; each of R.sup.1 and R.sup.Type: GrantFiled: July 8, 1997Date of Patent: January 4, 2000Assignee: Agfa-Gevaert N.V.Inventors: Ivan Hoogmartens, Hans Strijckers, David Terrell
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Patent number: 5786118Abstract: A photoconductive recording material comprising a support and a charge generating layer (CGL) in contiguous relationship with a charge transporting layer (CTL) containing a p-charge transporting material (p-CTM), wherein the binder of said charge generating layer (CGL) has been made insoluble in methylene chloride by crosslinking, and said binder is composed essentially of at least one epoxy resin (1) as defined herein and/or at least one dialkanolamine-modified epoxy resin linked with at least one polyisocyanate.Type: GrantFiled: September 19, 1996Date of Patent: July 28, 1998Assignee: AGFA-Gevaert, N.V.Inventors: David Terrell, Stefaan De Meutter, Marcel Monbaliu
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Patent number: 5721080Abstract: An electrophotographic recording material comprising a conductive support and a photosensitive layer containing a photoconductive crystalline substituted metal-free phthalocyanine compound and/or mixed crystals of said substituted metal-free phthalocyanine compounds with unsubstituted metal-free phthalocyanine, wherein said substantial metal-free phthalocyanine compound represented by general formula (I) defined herein is substituted with alkyl or alkoxy.Type: GrantFiled: December 20, 1996Date of Patent: February 24, 1998Assignee: AGFA-GEVAERT, N.V.Inventors: David Terrell, Stefaan De Meutter, Bernd Kaletta
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Patent number: 5691121Abstract: A photographic light-sensitive silver halide material is provided for making negative lithographic images or direct-positive images, said material comprising a support, at least one internal latent image-type silver halide emulsion layer (in the case of direct-positive materials) or surface latent image-type silver halide emulsion layer (in the case of lithographic materials) and development-nucleating amounts of a compound or a precursor thereof, said compound having at least one quaternary heterocyclic ring system comprising at least three rings including a tetrahydropyridinium ring wherein carbon-nitrogen and carbon-carbon double bonds are also part of an aromatic ring being one of said three rings and wherein said double bonds and nitrogen atom in said tetrahydropyridinium ring are incorporated into annelated conjugated ring systems. Developing said photographic material after exposure in an alkaline surface developer rapidly converts said precursor into a ring system as defined hereinbefore.Type: GrantFiled: July 15, 1996Date of Patent: November 25, 1997Assignee: AGFA-Gevaert. N.V.Inventors: Jean-Marie Dewanckele, David Terrell, Hieronymus Andriessen, Kris Viaene
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Patent number: 5529867Abstract: A photoconductive recording material containing a support and a charge generating layer (CGL) in contiguous relationship with a charge transporting layer (CTL) containing a n-charge transporting material (n-CTM), wherein the binder of said charge generating layer (CGL) is made insoluble in methylene chloride by crosslinking, and said binder is composed essentially of at least one resin (1) and/or (2) crosslinked with at least one polyisocyanate, said resin (1) before its crosslinking corresponding with general formula (I) as defined in the description, and said resin (2) being a dialkanolamine-modified epoxy resin.Type: GrantFiled: February 13, 1995Date of Patent: June 25, 1996Assignee: Agfa-Gevaert, N.V.Inventors: David Terrell, Stefaan De Meutter, Marcel Monbaliu
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Patent number: 5506081Abstract: A photoconductive recording material described containing a support and a charge generating layer (CGL) in contiguous relationship with a charge transporting layer (CTL) containing a p-charge transporting material (p-CTM), wherein the charge generating layer (CGL) does not contain a charge transporting material but comprises a charge generating material and a binder, wherein the binder is made insoluble in methylene chloride by crosslinking and the binder which is composed essentially of one or more polyepoxy compounds self-crosslinked under the influence of an amine catalyst and/or crosslinked by reaction with at least one primary and/or secondary poly NH-group amine.Type: GrantFiled: November 10, 1994Date of Patent: April 9, 1996Assignee: Agfa-Gevaert, N.V.Inventors: David Terrell, Stefaan De Meutter, Marcel Monbaliu