Patents by Inventor Dirk Quintens
Dirk Quintens 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).
-
Publication number: 20080238086Abstract: A security document comprising a plurality of self-supporting polymeric films and layers therebetween and thereon, said plurality of self-supporting polymeric films comprising a non-transparent microvoided axially stretched self-supporting polymeric film exclusive of foam and having a permanent transparent pattern; and a process for producing a security document with a permanent transparent pattern comprising the step of: image-wise application of heat optionally supplemented by the application of pressure to a security document precursor comprising a plurality of self-supporting polymeric films and layers therebetween and thereon, said plurality of self-supporting polymeric films comprising a non-transparent microvoided axially stretched self-supporting polymeric film exclusive of foam.Type: ApplicationFiled: March 18, 2008Publication date: October 2, 2008Inventors: Ingrid Geuens, Dirk Quintens
-
Publication number: 20080096143Abstract: A non-transparent microvoided biaxially stretched self-supporting non-laminated polymeric film, the film comprising linear polyester as a continuous phase and dispersed uniformly therein an amorphous high polymer with a higher glass transition temperature than the glass transition temperature of the continuous phase and/or a crystalline high polymer having a higher melting point than the glass transition temperature of said continuous phase, wherein said linear polyester consists essentially of aromatic dicarboxylate and aliphatic dimethylene monomer units; the polymeric film has an optical density measured in transmission with a visible filter; and at least 50% of the optical density is due to microvoids; the use of the non-transparent microvoided biaxially stretched film as a synthetic paper; an image recording element comprising the non-transparent microvoided biaxially stretched film; and a process for obtaining a transparent pattern therewith.Type: ApplicationFiled: October 2, 2007Publication date: April 24, 2008Inventor: Dirk Quintens
-
Patent number: 7278728Abstract: An ink-jet printing system including at least one ink-jet ink and a means for jetting an ink-jet ink onto a surface of a substantially non-absorbing ink-jet ink-receiver, characterized in that the ratio ? Sd/? Ld of the dispersive surface energy of said ink-receiver surface ? Sd over the dispersive surface energy of said ink-jet ink ? Ld is greater than 0.9. A process for ink-jet printing is also claimed. High areal throughput ink-jet printing (e.g. >100 m2/hour) with curable inks can be performed on different kinds of ink-receiver surfaces with a good image quality and colour density due to a controlled spreading of the ink-drops which can be directly cured.Type: GrantFiled: January 24, 2005Date of Patent: October 9, 2007Assignee: Agfa Graphics NVInventors: Guido Desie, Dirk Quintens, Bavo Muys, Patrick Mertens, Rene De Keyzer, Roland Claes
-
Publication number: 20060132566Abstract: A radiation curable ink-jet printing process is disclosed, exhibiting consistent image quality on a wide variety of different ink-receivers. The ink-jet printing process comprises the steps of: a) providing an ink-receiver; b) providing a surface layer on at least a portion of the ink-receiver with a dotsize control fluid; c) jetting at least one radiation curable ink-jet ink droplet to the surface layer on the ink-receiver; characterized in that the dotsize control fluid contains a surfactant, a film forming polymeric resin and an inorganic filler, wherein the ratio P/F is greater than 3.0, with P being the weight % of film forming polymeric resin and F being the weight % of inorganic filler, both based on the total weight of the dotsize control fluid, and the surfactant is present in the surface layer in the range of 0.1 to 20% by weight based on the total dry weight of the surface layer.Type: ApplicationFiled: November 16, 2005Publication date: June 22, 2006Applicant: AGFA-GEVAERTInventors: Guido Desie, Dirk Quintens
-
Publication number: 20050190245Abstract: An ink-jet printing system comprising at least one ink-jet ink and a means for jetting an ink-jet ink onto a surface of a substantially non-absorbing ink-jet ink-receiver, characterized in that the ratio ? Sd/? Ld of the dispersive surface energy of said ink-receiver surface a ? Sd over the dispersive surface energy of said ink-jet ink a ? Ld is greater than 0.9. A process for ink-jet printing is also claimed. High areal throughput ink-jet printing (e.g. >100 m2/hour) with curable inks can be performed on different kinds of ink-receiver surfaces with a good image quality and colour density due to a controlled spreading of the ink-drops which can be directly cured.Type: ApplicationFiled: January 24, 2005Publication date: September 1, 2005Applicant: AGFA-GEVAERTInventors: Guido Desie, Dirk Quintens, Bavo Muys, Patrick Mertens, Rene De Keyzer, Roland Claes
-
Publication number: 20050031807Abstract: An improved medium for ink jet recording is disclosed. Apart from a pigment and an optional binder, the ink receiving layer contains a film-forming latex being a polymer containing repeating units derived from a particular monomer type. Preferred monomers are vinyl ester monomers most preferably derived from versatic acid. The medium is particularly suited for outdoor use.Type: ApplicationFiled: September 9, 2004Publication date: February 10, 2005Inventors: Dirk Quintens, Hubertus Aert
-
Patent number: 6841206Abstract: An improved medium for ink jet recording is disclosed. Apart from a pigment and an optional binder, the ink receiving layer contains a film-forming latex being a polymer containing repeating units derived from a particular monomer type. Preferred monomers are vinyl ester monomers most preferably derived from versatic acid. The medium is particularly suited for outdoor use.Type: GrantFiled: November 12, 2001Date of Patent: January 11, 2005Assignee: Agfa-GevaertInventors: Dirk Quintens, Hubertus Van Aert
-
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
-
Publication number: 20020150736Abstract: An ink jet recording element is disclosed which is improved for the occurence of cracks in its ink-receiving layer. The recording medium comprises a layer with a high amount of pigment and a top layer containing a water-soluble polymer. Both layers are coated simultaneously wet on wet.Type: ApplicationFiled: October 22, 2001Publication date: October 17, 2002Inventors: Dirk Quintens, Horst Friedel
-
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
-
Publication number: 20020094421Abstract: An improved medium for ink jet recording is disclosed. Apart from a pigment and an optional binder, the ink receiving layer contains a film-forming latex being a polymer containing repeating units derived from a particular monomer type. Preferred monomers are vinyl ester monomers most preferably derived from versatic acid.Type: ApplicationFiled: November 12, 2001Publication date: July 18, 2002Inventors: Dirk Quintens, Hubertus Van Aert
-
Patent number: 6376105Abstract: Electroluminescing arrangement containing hole-injecting and/or electron-injecting layers, the polymeric organic conductors being chosen from the group consisting of polyfurans, polypyrroles, polyanilines, polythiophenes and polypyridines.Type: GrantFiled: December 21, 1998Date of Patent: April 23, 2002Assignee: Bayer AktiengesellschaftInventors: Friedrich Jonas, Andreas Elschner, Rolf Wehrmann, Dirk Quintens
-
Publication number: 20010024713Abstract: An ink jet recording material is disclosed comprising a support and an ink receiving layer wherein said ink receiving layer comprises (a) a pigment, (b) a silanol modified polyvinyl alcohol, and (c) a film-forming polymer having a glass transition temperature lower than 50° C.Type: ApplicationFiled: February 14, 2001Publication date: September 27, 2001Inventors: Dirk Quintens, Horst Friedel, Huub Van Aert, Jan Gilleir
-
Patent number: 6225040Abstract: There is provided a method for preparing a biaxially oriented polyester sheet or web, with improved antistatic properties, comprising the steps of (i) stretching said polyester sheet or web first in one direction and second in a direction perpendicular thereto (ii) coating said hydrophobic polyester sheet or web, either before stretching or between said first and second stretching operation, on one or both sides, with a transparent antistatic primer layer, wherein the coating composition of said transparent antistatic primer layer comprises (1) a dispersion of a polythiophene with conjugated polymer backbone and a polymeric polyanion compound and (2) a latex polymer having hydrophilic functionality. The primer layer is coated from an aqueous composition and does not show a substantial change in resistivity depending on relative humidity or wet processing.Type: GrantFiled: December 15, 1994Date of Patent: May 1, 2001Assignee: Agfa-GevaertInventors: Bavo Muys, Dirk Quintens, Jozef Boeykens, Etienne Van Thillo, Geert Defieuw
-
Patent number: 6130033Abstract: A (photo)thermographic recording material comprising a (photo-addressable) thermosensitive element on one side of a water resistant support and an outermost backside layer on the other side of the water resistant support, the (photo-addressable) thermosensitive element comprising a substantially light-insensitive organic silver salt, an organic reducing agent for the substantially light-insensitive organic silver salt in thermal working relationship therewith(, photosensitive silver halide in catalytic association with the substantially light insensitive organic silver salt) and a binder and the outermost backside layer comprising polymeric beads, characterized in that an outermost layer on the side of the water resistant support with the (photo-addressable) thermosensitive element does not contain a fluorine-containing polymeric surfactant and the static frictional coefficient between the outermost layer on the side of the water resistant support with the (photo-addressable) thermosensitive element and the oType: GrantFiled: November 10, 1998Date of Patent: October 10, 2000Assignee: Agfa-GevaertInventors: Geert Defieuw, Wim Mues, Dirk Quintens, Ivan Hoogmartens
-
Patent number: 5888372Abstract: A metal-coated film can be produced continuously from a non-conducting film by successive electroless and galvanic metallization in such a way that a film of this kind is subjected, in a continuous "roll-to-roll" process, to the following operations:a) applying a metallizable primer,b) drying the applied primer,c) conditioning the applied primer,d) optionally activating the applied primer,e) treatment with an electroless chemical metallizing bath,f) optional treatment with a first rinsing liquid,g) treatment with a galvanic metallizing bath,h) treatment with a second rinsing liquid, andi) optional heat treatment of the metallized film.Type: GrantFiled: June 12, 1997Date of Patent: March 30, 1999Assignee: Bayer AktiengesellschaftInventors: Louis Bollens, Andre Heyvaerts, Dirk Quintens, Gerhard Dieter Wolf, Henning Giesecke, Friedrich Jonas
-
Patent number: 5883042Abstract: A (photo)thermographic recording material comprising a (photo-addressable) thermosensitive element on one side of a water resistant support and an outermost backside layer on the other side of the water resistant support, the (photo-addressable) thermosensitive element comprising a substantially light-insensitive organic silver salt, an organic reducing agent for the substantially light-insensitive organic silver salt in thermal working relationship therewith(, photosensitive silver halide in catalytic association with the substantially light insensitive organic silver salt) and a binder and the outermost backside layer comprising polymeric beads, characterized in that an outermost layer on the side of the water resistant support with the (photo-addressable) thermosensitive element does not contain a fluorine-containing polymeric surfactant and the static frictional coefficient between the outermost layer on the side of the water resistant support with the (photo-addressable) thermosensitive element and the oType: GrantFiled: May 30, 1997Date of Patent: March 16, 1999Assignee: Agfa-GevaertInventors: Geert Defieuw, Wim Mues, Dirk Quintens, Ivan Hoogmartens
-
Patent number: 5391472Abstract: There is provided a method for preparing a biaxially oriented polyester sheet or web, with improved antistatic properties, comprising the steps of(i) stretching said polyester sheet or web first in one direction and second in a direction perpendicular thereto(ii) coating said hydrophobic polyester sheet or web, either before stretching or between said first and second stretching operation, on one or both sides, with a transparent antistatic primer layer, wherein the coating composition of said transparent antistatic primer layer comprises (1) a dispersion of a polythiophene with conjugated polymer backbone and a polymeric polyanion compound and (2) a latex polymer having hydrophilic functionality.The primer layer is coated from an aqueous composition and does not show a substantial change in resistivity depending on relative humidity or wet processing.Type: GrantFiled: December 8, 1993Date of Patent: February 21, 1995Assignee: AGFA-Gevaert, N.V.Inventors: Bavo Muys, Dirk Quintens, Jozef Boeykens, Etienne Van Thillo, Geert Defieuw
-
Patent number: 5372924Abstract: Antistatically treated plastic moldings which contain two layers on the surface to be antistatically treated, the layer situated nearer the plastic surface being an antistatic layer and the more remote layer being a protective layer of a radiation-curing coating composition which is cured by exposure to ionizing radiation, are distinguished by excellent antistatic properties and very good surface properties.Type: GrantFiled: May 16, 1994Date of Patent: December 13, 1994Assignee: Agfa Gevaert AktiengesellschaftInventors: Dirk Quintens, Wolfgang Fischer, Friedrich Jonas, Holger Ohst, Hans Rehbein, deceased
-
Patent number: 5370981Abstract: Antistatically treated plastic formed articles, e.g. photographic film supports, that contain at least two layers on the surface to be antistatically treated, wherein a layer nearer to the plastic surface contains a preparation of a polythiophene that is built up from structural units of the formula ##STR1## wherein R.sub.1 and R.sub.2 independently of each other stand for hydrogen or a C.sub.1 -C.sub.4 -alkyl group or together form an optionally substituted C.sub.1 -C.sub.4 -alkylene group, preferably a methylene group optionally substituted by alkyl groups, a 1,2-ethylene group optionally substituted by C.sub.1 -C.sub.12 -alkyl or phenyl groups, a 1,3-propylene group or a 1,2-cyclohexylene group,and a polyanion, a farther layer contains a film-forming polymer and at least one of the two layers contains an alkoxysilane, are characterized, apart from excellent antistatic properties, by very good layer adhesion.Type: GrantFiled: March 24, 1993Date of Patent: December 6, 1994Assignee: Agfa-Gevaert AGInventors: Werner Krafft, Friedrich Jonas, Bavo Muys, Dirk Quintens