Agfa-gevaert

Agfa Gevaert Nv

Agfa Graphics Nv

Hoechst Aktiengesellschaft

Bayer Corporation

Other

Agfa-gevaert Ag

Frank Louwet

Bert Groenendaal

Johan August Loccufier

Tom Cloots

Hieronymus Andriessen

Wolfgang Podszun

Jean-Pierre D Tahon

Roger Van Den Bogaert

Marc Irene Van Damme

Huub Van Aert

Joan T Vermeersch

Luc H Leenders

Geert Deroover

Ivan Hoogmartens

Carlo A Uyttendaele

Ann L Verbeeck

Johan J Lamotte

Rita Torfs

Dirk Vanderzande

David Zelmanovic

Peter Verrept

Eberhard Kuckert

Lambertus Groenendaal

Mark Lens

Joanes Gelan

Markus Hartenstein

Raf Samijn

Ronny DeClercq

Joachim Storsberg

William Moskalski

Luc J Vanmaele

Friedrich Jonas

Eddie R Daems

Etienne A Van Thillo

Bart J Verlinden

Lode Deprez

Hubert Vandenabeele

Olaf Halle

Marc Van Den Zegel

Leo Vermeulen

Eddy A Michiels

Rudi A Goedeweeck

Philip Dooms

David Bryan Harrison

Roland Stern

Geert Van Dyck

Frank Ruttens

Ronn Andriessen

Louis Bollens

Joachim Kruger

Anna Issaris

Andr&eacute; Roefs

David Byran Harrison

Nadia Vermant

Jean-Piere Tahon

Gianni Zotti

Rafaël Samijn

Michael Van Der Broght

A method of manufacturing an etched glass article including the steps of jetting an image with a UV curable inkjet ink on a surface of the glass article; curing the image; etching the surface not covered by the UV cured image to obtain an etched image; and solubilising the UV cured image in an aqueous alkaline solution.

Method of manufacturing an etched glass article

A method of manufacturing an etched glass article includes the steps of jetting an image with a UV curable inkjet ink on a surface of the glass article; UV curing the image; etching the surface not covered by the UV cured image to obtain an etched image; and removing the UV cured image in an aqueous alkaline solution; wherein the UV curable inkjet ink includes a polymerizable composition, wherein at least 80 wt % of the polymerizable composition consists of: a) 15.0 to 70.0 wt % of an acryl amide; b) 20.0 to 75.0 wt % of a polyfunctional acrylate; and c) 1.0 to 15.0 wt % of a (meth)acrylate containing a carboxylic acid group, a phosphoric acid group or a phosphonic acid group-; with all weight percentages (wt %) based on the total weight of the polymerizable composition.

A composition comprising a polyanion and a polymer or copolymer of a substituted or unsubstituted thiophene as a solution or as a dispersion in a liquid medium and at least one compound with at least two vinyl groups, wherein said liquid medium comprises at least one non-aqueous solvent and has less than 30% by weight of water; and said composition comprises more than 0.1% by weight of the polymer or copolymer of a substituted or unsubstituted thiophene and is capable of UV-photopolymerization due to said composition comprising at least one vinyl-compound capable of initiating UV-photopolymerization and/or at least one UV-photoinitiator; an ink with the composition of the composition; a process for preparing the composition; a process for producing a layer or pattern on an object with the composition; and a layer, pattern or print produced therewith.

UV-photopolymerizable composition for producing organic conductive layers, patterns or prints

An aqueous dispersion of latex particles, said latex particles containing a polymer containing monomer units according to formula (I): in which Rand Rindependently of one another represent hydrogen or a C-alkyl group or together form an optionally substituted C-alkylene residue and at least one polyanion compound.

Process for preparing electroconductive coatings

Disclosed are a light-emitting diode, a photovoltaic device, a transistor, and an electroluminescent device, each comprising a layer disposed on a support, the layer comprising a [A] composition exclusive of hydroquinone comprising at least one polymer comprising (3,4-dialkoxythiophene) monomer units, a polyanion, at least one polyhydroxy group-containing aromatic compound exclusive of sulfo groups, at least one amino-compound or heterocyclic compound with at least one ring nitrogen atom, and at least one compound selected from the group consisting of polyhydroxy- and/or carboxy group or amide or lactam group containing aliphatic compounds and aprotic compounds with a dielectric constant &#x2267;15.

Layer configuration with improved stability to sunlight exposure

A pigment dispersion includes a pigment and a block copolymer having ionic aromatic monomers. The pigment dispersions can be used for manufacturing inkjet inks and for the coating of colored layers. A process for preparing the pigment dispersion is also disclosed.

Stable pigment dispersions

A pigment dispersion includes a pigment with at least one carboxylic acid group and a block copolymer including aromatic monomers having at least one carboxylic acid group or a salt thereof and aromatic monomers having at least one sulfonic acid group or a salt thereof. The pigment dispersions can be used for manufacturing inkjet inks and for the coating of colored layers.

A process for preparing an aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer, containing structural units according to formula (I): in which Rand Rindependently of one another represent hydrogen or a C-alkyl group or together form an optionally substituted C-alkylene residue, comprising the step of: preparing the polythiophene or thiophene copolymer with an initiator in a reaction is medium in the presence of polyanions under oxidizing or reducing conditions under an inert atmosphere such that when said initiator is added less than 3 mg of oxygen per litre of the reaction medium is present in the reaction medium; an aqueous or non-aqueous solution or dispersion prepared therewith; the use of an aqueous or non-aqueous dispersion or solution comprising the aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer for coating an object; a printable paste containing the aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer; and an electroconductive or an antistatic layer prepared using an aqueous or non-aqueous solution or dispersion comprising the aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer.

Aqueous or non-aqueous solution or dispersion of a polythiophene or thiophene copolymer

A method for preparing a composition containing between 0.08 and 3.0% by weight of polymer or copolymer of a 3,4-dialkoxythiophene in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge, a polyanion and at least one non-aqueous solvent from a dispersion of the polymer or copolymer of (3,4-dialkoxythiophene) and the polyanion in water which is prepared in the substantial absence of oxygen, comprising in the following order the steps of: i) mixing at least one of the non-aqueous solvents with the aqueous dispersion of the polymer or copolymer of (3,4-dialkoxythiophene) and the polyanion; and ii) evaporating water from the mixture prepared in step i) until the content of water therein is reduced by at least 65% by weight; a printing ink, printing paste or coating composition, capable of yielding layers with enhanced conductivity at a given transparency, prepared according to the above-described method; a coating process with the coating composition thereby producing a layer with enhanced conductivity at a given transparency; and a printing process with the printing ink or paste thereby producing a layer with enhanced conductivity at a given transparency.

Composition containing a polymer or copolymer of a 3,4-dialkoxythiophene and non-aqueous solvent

A thermographic recording material comprising a support and a thermosensitive element, the thermosensitive element comprising at least one substantially light-insensitive organic silver salt, at least one organic reducing agent therefor in thermal working relationship therewith, at least one binder and at least one toning agent represented by formula (I): wherein X represents the optionally substituted atoms necessary to form a 6-membered ring.

Toning agents for use in thermographic recording materials

A layer configuration on a support, the layer configuration comprising a layer containing a polymer containing optionally substituted 3,4-alkylenedioxythiophene structural units, in which the two alkoxy groups may be the same or different or together represent an optionally substituted oxy-alkylene-oxy bridge, and a compound selected from the group consisting of polyphosphoric acids, polyphosphoric acid salts, thia-alkanedicarboxylic acids, cyclohexadiene compounds and polyhydroxy-compounds selected from the group consisting of tetronic acid derivatives; ortho-dihydroxybenzene compounds with at least one sulpho group, compounds according to formula (I):HO&#x2014;CH&#x2014;CH(OH)&#x2014;(CH)&#x2014;S&#x2014;CH&#x2014;C(R)(R)&#x2014;CH&#x2014;S&#x2014;(CH)&#x2014;CH(OH)&#x2014;CH&#x2014;OH&#x2003;&#x2003;(I)wherein Rand Rare independently H, &#x2014;OH or alkyl, and n and m are independently 1, 2 or 3; compounds according to formula (II):HO&#x2014;(CH)&#x2014;S&#x2014;CH&#x2014;S&#x2014;(CH)&#x2014;OH&#x2003;&#x2003;(II)wherein p and q are independently 2, 3 or 4; compounds hydrolyzable to tetronic acid derivatives; compounds hydrolyzable to compounds according to formula (I); and sulpho-substituted 2-thia-alkyl-benzimidazole compounds.

An aqueous dispersion of a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25&#xb0; C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25&#xb0; C. of at least 2.2 g/L and a polyanion; a preparation process therefor; its use for coating; a printing ink containing the aqueous dispersion; an electro-conductive layer containing a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25&#xb0; C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25&#xb0; C. of at least 2.2 g/L and a polyanion derived from an aqueous dispersion thereof; and an antistatic layer containing a copolymer of at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25&#xb0; C. of less than 2.2 g/L with at least one 3,4-alkylenedioxythiophene compound with a solubility in water at 25&#xb0; C. of at least 2.2 g/L and a polyanion derived from an aqueous dispersion thereof.

3,4-alkylenedioxy-thiophene copolymers

A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element, said thermosensitive element containing a substantially light-insensitive organic silver salt, an organic reducing agent therefor in thermal working relationship therewith, at least one binder and at least one stabilizer represented by formula (I): wherein R, R, Rand Rare independently selected from the group consisting of a hydrogen atom, halogen atoms and aliphatic, alkoxy, nitro, acyl, sulfonyl, nitrile, alkaryl, aryl, amino, thioalkyl, aldehyde, urea, &#x2014;O&#x2014;(C&#x2550;O)-alkyl, &#x2014;O&#x2014;(C&#x2550;O)-aryl, &#x2014;O&#x2014;(C&#x2550;O)&#x2014;O-alkyl, &#x2014;O&#x2014;(C&#x2550;O)&#x2014;O-aryl, &#x2014;NH&#x2014;(C&#x2550;O)-alkyl, &#x2014;NH&#x2014;(C&#x2550;O)-aryl, &#x2014;(C&#x2550;O)&#x2014;NH-alkyl, &#x2014;(C&#x2550;O)&#x2014;NH-aryl, &#x2014;NH&#x2014;(SO)-alkyl, &#x2014;NH&#x2014;(SO)-aryl, &#x2014;(SO)&#x2014;NH-alkyl, &#x2014;(SO)&#x2014;NH-aryl groups; X is represented by -A(-M)or is selected from the group consisting of substituted aliphatic groups, unsubstituted aliphatic groups, substituted cycloaliphatic groups, unsubstituted cycloaliphatic groups, substituted aromatic groups and unsubstituted aromatic groups where in each of said groups one or more of the chain or ring carbon atoms may be substituted by one of more atoms selected from the group consisting of S, O, Si, N and P atoms; n is 2, 3 or 4; A is selected from the group consisting of substituted aliphatic groups, unsubstituted aliphatic groups, substituted cycloaliphatic groups, unsubstituted cycloaliphatic groups, substituted aromatic groups and unsubstituted aromatic groups where in each of said groups one or more of the chain or ring carbon atoms may be substituted by one of more atoms selected from the group consisting of S, O, Si, N and P atoms; each (-M) is independently a substituted or unsubstituted group selected from the group consisting of -(2-S-imidazole) groups and -(2-S-imidazole) groups annelated with an aromatic ring system, the optional substituents for -M being selected from the group consisting of halogen atoms and aliphatic, alkoxy, nitro, acyl, sulfonyl, nitrile, alkaryl and aryl groups.

Stabilizers for use in substantially light-insensitive thermographic recording materials

A thiophene compound represented by formula (I): in which: A represents a C2&#x2013;C5 alkylene bridge; R represents a stereoselectively substituted, linear or branched C2&#x2013;C24 alkyl, C3&#x2013;C18 cycloalkyl, C1&#x2013;C18 alkoxy or polyethyleneoxide group, optionally substituted with at least one substituent selected from the group consisting of an alcohol, amide, ether, ester or sulfonate group; or an optionally substituted aryl group having at least one chiral center substituted at said C2&#x2013;C5 alkylene bridge; polymers derived therefrom; a process for polymerizing a thiophene according to formula (I), optionally chemically or electrochemically; and dispersions, pastes and layers containing polymers derived therefrom.

Thiophenes and polymers derived therefrom

Growing community of inventors

Diepenbeek, Belgium

Frank Louwet