Agfa Gevaert Nv

Agfa-gevaert

Bayer Aktiengesellschaft

Agfa-gevaret, N.v.

David R Terrell

Stefaan K De Meutter

Marcel J Monbaliu

Ulrich R Grigo

Bernd Kaletta

Volker Serini

Jean-Marie O Dewanckele

Johan J Lamotte

Kris Viaene

George Blasse

Mark G Van Der Auweraer

Carina Geelen

Guy P Verbeek

Johan August Loccufier

Ivan Hoogmartens

Melvin Tecotzky

Peter Horlacher

Lodewijk M Neyens

Frans C De Schrijver

Andries Meijerink

Luc H Leenders

Rolf Wehrmann

Geert H Defieuw

Paul R Callant

Eddie R Daems

Hieronymus Andriessen

Luc A Struye

Andreas Elschner

Carlo A Uyttendaele

Dirk Cyriel Quintens

Bartholomeus Cyriel Horsten

Klaus D Berg

Hans Louis Strijckers

Martin Hueppauff

Hartwig Andries

Albert D Adriaensens

Leo B Alaerts

Meinhard Rolf

Christoph Jonda

Frans C De Schryver

Benjamas S Davis

Marinus J Lammers

Walther Wolf

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.

Method of producing an information carrier

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.

Material having a conductive pattern; and a material and method for making a conductive pattern

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 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.

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.

Material having a conductive pattern and a material and method for making a conductive pattern

Electroluminescent arrangements using blend systems

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 &mdash;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)/(E -E ) greater than 2.3 , where E is the energy in Joule applied in a dot area of 87 &mgr;m&times;87 &mgr;m of the imaging layer that produces an optical density value of 2.5, and E is the energy in Joule applied in a dot area of the imaging layer material that produces an optical density value of 0.1.

Substantially light-insensitive thermographic recording material with improved stability and image-tone

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.

Electrophotographic recording material containing metal-free phthalocyanines

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.

Photoconductive recording material comprising a crosslinked binder system

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.6 is an alkyl, an aryl, an alkoxy, an aryloxy, a hydroxy or an amino group or hydrogen; x is 1, 2 or 3; and the benzene ring of the 1,2-dihydroxyphenyl-compound represented by the formula (I) may be further substituted.

Reducing agents for use in thermographic recording materials

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.2 independently represents a hydrogen atom or an alkali-labile group giving rise to a hydrogen atom on hydrolysis; X is an acyl group selected from the group consisting of CO--R.sup.3, CS--R.sup.4, PO--R.sup.5 R.sup.6 and (CN--R.sup.7)--R.sup.8, wherein each of R.sup.3 to R.sup.8 independently represents alkyl, aryl, cycloalkyl, heterocycloalkyl, heteroaryl, O-alkyl, O-aryl, O-heteroaryl, O-heterocycloalkyl, S-alkyl, S-aryl, S-heterocycloalkyl, S-heteroaryl or N--R.sup.9 R.sup.10, wherein each of R.sup.9 and R.sup.10 independently represents hydrogen, aryl, alkyl, heteroaryl, heterocycloalkyl or acyl as defined for X, and wherein R.sup.5 together with R.sup.6, and R.sup.9 together with R.sup.10 may represent the necessary atoms to close a ring.

Photothermographic recording material comprising a hydrazine compound

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.

Photoconductive recording material containing crosslinked binder system

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.

Electrophotographic material containing particular phthalocyanines

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.

Method for making negative lith images direct positive images

Photoconductive recording material with crosslinked binder system

A photostimulable rare earth metal doped barium strontium fluoride phosphor, characterized in that said phosphor is within the scope of following empirical formula (I):

Photostimulable phosphor for use in radiography

Growing community of inventors

Lint, Belgium

David R Terrell