Patent application number | Description | Published |
20090076480 | Active Ingredient-Containing Silicone Elastomers - The invention relates to compositions comprising silicone elastomers and antimicrobially active substances in homogeneous distribution, a process for their production and their use in medical articles. | 03-19-2009 |
20090123757 | LATENT-REACTIVE ADHESIVES FOR IDENTIFICATION DOCUMENTS - The present invention relates to an identification document having layer A), B) and C), wherein A) is a thermoplastic, B) is a layer produced from a stable, latent-reactive adhesive, and C) is a thermoplastic. | 05-14-2009 |
20090310222 | MULTILAYER OPTICAL FILM STRUCTURES HAVING IMPROVED PROPERTIES AND THE USE THEREOF - The present invention relates to an optical film structure having improved properties and comprising at least one prism film and/or diffuser film as well as a multilayer optical film, wherein the multilayer optical film has at least one top film having an outer layer directed towards the prism film and/or diffuser film and made from a plastics composition containing a transparent thermoplastic and at least one quaternary ammonium salt of a perfluoroalkylsulfonic acid as lubricant additive. According to the invention the outer layer has at least one coefficient of sliding friction of <0.30 relative to the prism film and/or diffuser film measured in accordance with ASTM D 1894-06, with a roughness R3z of >5 μm (R3z in accordance with ISO 4288). The invention also provides a backlight unit containing the improved film structure and the use of the optical film structure according to the invention for liquid crystal screens. | 12-17-2009 |
20090311512 | Radiation-Emitting Component - An organic radiation-emitting component ( | 12-17-2009 |
20100092755 | FILMS HAVING IMPROVED PROPERTIES - The invention relates to films having good sliding friction properties and gloss values, consisting of a plastics composition comprising from 96 to 99.499 wt. % of a transparent polycarbonate and from 0.001 to 4 wt. % quaternary ammonium salts of perfluoroalkylsulfonic acids as lubricant additive and from 0.5 to 29.999 wt. % barium sulfate, the sum of the mentioned constituents in each case being 100 wt. %. The films exhibit improved properties in processing. The invention relates further to mouldings produced from these films. | 04-15-2010 |
20100094230 | POLYMER MOLDING COMPOUNDS CONTAINING PARTIALLY NEUTRALIZED AGENTS - The invention relates to polymer molding compositions rendered antibacterial, antiprotozoic, or antimycotic by using partially neutralized active ingredients, to processes for their production, and to their use in moldings, in particular in medical items. | 04-15-2010 |
20100196699 | THERMOPLASTIC COMPRISING METAL IDENTIFICATION PLATELETS - The invention relates to a transparent thermoplastic material, containing 0.0001 to 2 wt. % of substantially flat metal identification platelets with a largest length elongation of less than 200 μm and a thickness of 2-10 μm, a round or n-angled shape where n≧4, wherein the metal identification platelets do not have any recesses or have recesses that lie substantially in the centre of the metal identification platelet, do not come closer than 20 μm to the circumferential outer edge of the metal identification platelet, and do not account for more than 30% of the surface area of the metal identification platelet. The invention also relates to the production thereof and the use for producing films for personalization of a card layer composite and data carriers in card form, especially smart cards, magnetic strip cards, identification cards and the like. | 08-05-2010 |
20100260985 | POLYMER LAYER COMPOSITE FOR A SECURITY AND/OR VALUABLE DOCUMENT - The invention relates to a method for producing a polymer layer composite that comprises a plurality of polymer layers and at least one polymer layer contains a laser-sensitive component, said method consisting of the following steps: A) first personalised information is applied to at least one of the polymer layers by means of an inkjet printing method as a coloured inkjet printed layer, B) the polymer layer with the coloured inkjet printed layer is then joined to the other polymer layers, the polymer layer with the coloured inkjet printed layer being arranged between two other polymer layers, C) second personalised information is inscribed into the polymer layer composite obtained in step B) by means of laser engraving. The invention also relates to a thus obtained polymer layer composite, a security and/or valuable document comprising a polymer layer composite of said type and to a method for producing a security and/or valuable document of said type. | 10-14-2010 |
20100291392 | METHOD FOR PRODUCING A POLYCARBONATE LAYERED COMPOSITE - The invention relates to a method for making a structure with at least a first polymer layer and a second polymer layer, each made from a polycarbonate polymer based on bisphenol A, and in between the first polymer layer and the second polymer layer an intermediate layer being arranged, comprising the following steps: a) the intermediate layer is applied at least on a partial region of the first polymer layer, b) optionally the intermediate layer is dried, c) the first polymer layer is coated on the side, on which the intermediate layer is arranged, with a liquid preparation comprising a solvent or a mixture of solvents and a polycarbonate derivative based on a geminally disubstituted dihydroxydiphenyl cycloalkane, the preparation covering the intermediate layer, d) optionally a drying step is made after step c), e) after step c) or step d), the second polymer layer is placed on the first polymer layer, covering the intermediate layer, f) the first polymer layer and the second polymer layer are laminated with each other under pressure, at a temperature from 120° C. to 230° C. and for a defined time. | 11-18-2010 |
20100295290 | POLYMER LAMINATE FOR A SECURITY AND/OR VALUABLE DOCUMENT AND METHOD FOR THE PRODUCTION THEREOF - In order to create novel security features in secure and/or valuable documents, a polymer layer composite, which has at least two polymer layers that are bonded to each other in a material fit is provided. At least one surface is printed with an absorbing printed layer within a visible region in and/or on the composite located on a polymer layer of the composite. The absorbing printed layer forms at least one printed region, and all printed regions of the printed surface of the polymer layer have a total surface area of at least 50% and not more than 95%. | 11-25-2010 |
20100301595 | METHOD FOR THE PRODUCTION OF A POLYCARBONATE LAMINATE - The invention relates to the use of a preparation comprising A) 0.1 to 20 wt % of a binding agent with a polycarbonate derivative based on a geminally disubstituted dihydroxydiphenyl cycloalkane, B) 30 to 99.9 wt % of an organic solvent or of a mixture of solvents, C) 0 to 10 wt %, referred to dry mass, of a dye or of a mixture of dyes, D) 0 to 10 wt % of a functional material or of a mixture of functional materials, E) 0 to 30 wt % of additive and/or auxiliary substances, or of a mixture of such substances, the relative amounts of the components A) to E) always totaling 100 wt %, as an ink jet printing dye. | 12-02-2010 |
20100304093 | METHOD FOR PRODUCING A SECURITY AND/OR VALUABLE DOCUMENT WITH PERSONALISED INFORMATION - The invention relates to a method for producing a security and/or valuable document containing a polymer layer composite or consisting thereof, said polymer layer composite being formed from a polymer layer partial composite and a polymer cover layer and the polymer layer partial composite and/or the polymer cover layer containing a laser sensitive component, consisting of the followings steps: A) first personalized information is applied to the polymer layer partial composite by means of an inkjet printing method as a colored inkjet printed layer, B) the polymer cover layer is applied to the inkjet printed layer and is joined to the polymer layer partial composite by thermal lamination, and C) second personalized information is inscribed into the polymer layer composite of the security and/or valuable document, obtained in step B), by means of laser engraving. The invention also relates to a security and/or valuable document that can be produced according to said method. | 12-02-2010 |
20100310812 | METHOD FOR PRODUCING A POLYCARBONATE LAYERED COMPOSITE - The invention relates to a method for making a structure with at least a first polymer layer and a second polymer layer, each made from a polycarbonate polymer based on bisphenol A, between the polymer layers a component being arranged, comprising the following steps: a) the component is arranged on the first polymer layer or placed in a depression of the first polymer layer, b) the first polymer layer is coated on the side, on which or in which the component is arranged, at least in the region of the component with a liquid preparation comprising a solvent or a mixture of solvents and a polycarbonate derivative based on a geminally disubstituted dihydroxydiphenyl cycloalkane, c) optionally a drying step is made after step b), d) after step b) or step c), the second polymer layer is placed on the first polymer layer, covering the component, e) the first polymer layer and the second polymer layer are laminated with each other under pressure, at a temperature from 120° C. to 180° C. and for a defined time. | 12-09-2010 |
20110026248 | MULTI-LAYER LIGHTING UNIT WITH IMPROVED PROPERTIES AND ITS USE - A lighting unit includes a reflector, two or more light sources, and at least one diffuser plate. The light sources have a gap of at least ≧30 mm from each other, and the gap between the light sources and the diffuser plate is ≦25 mm. The diffuser plate comprises a lenticular plate. An advanced compound parabolic concentrator scatter film is arranged on the lenticular plate, and a further scatter film is arranged on the advanced compound parabolic concentrator scatter film. | 02-03-2011 |
20110031735 | SECURITY ELEMENT - The invention relates to optical security elements, their use for identifying and authenticating objects and processes and devices for identifying and authenticating objects using the optical security elements. | 02-10-2011 |
20110085330 | LED LIGHTING UNIT HAVING A STRUCTURED SCATTERING SHEET - The present invention relates to an LED lighting unit containing a scattering sheet consisting of at least one transparent plastic, which has light-guiding elements at least on the front side. | 04-14-2011 |
20110127468 | Polycarbonate for making extruded films that are virtually free of surface defects - Linear polycarbonate resin virtually free of surface defects that impair the suitability of the resin for demanding optical application is disclosed. Also disclosed is a process for the manufacture of the resin. The surface defects included in the resin are in the form of transparent fluorescing particles, the particle count of which portion that are 15 and 250 μm in size, is up to 1.8 counts/g, said count being determined by exciting the residue remaining after filtering a solution of said polycarbonate in methylene chloride through a Teflon filter of 5 μm pore size at a wavelength of 400-440 nm, 25× overall magnification and illumination time of 40 millisec. The polycarbonate is suitable for making films of improved optical properties. | 06-02-2011 |
20110160411 | POLYCARBONATE COMPOSITIONS HAVING IMPROVED MECHANICAL PROPERTIES - The invention relates to compositions containing at least one (co)polycarbonate stable at high temperature and at least one ethylene-alkyl acrylate block copolymer, and to mouldings and injection moulded parts and extrudates obtainable from these compositions. | 06-30-2011 |
20110193337 | FORGERY-PROOF SECURITY FEATURES IN SECURITY OR VALUE DOCUMENTS - The present invention relates to a laminar structure comprising: a first layer comprising a first plastic film which comprises a thermoplastic and a filler and a second plastic film comprising a thermoplastic and a filler; a second layer comprising a third plastic film which comprises a thermoplastic and a filler and a second plastic film comprising a thermoplastic and a filler; and a laser printed watermark disposed on at least one of the plastic films positioned between the first and second layers. | 08-11-2011 |
20110200801 | ID CARDS WITH BLOCKED LASER ENGRAVING WRITABILITY - The invention relates to layer structures for ID cards on which information can be written by laser engraving and which have an additional layer that is applied to the card body after the laser engraving and restricts or completely prevents subsequent writing on the card by means of laser engraving, and consequently prevents falsification of the identifying information contained, and relates to a method for blocking the laser engraving writability of layer structures on which information can be written by laser engraving. | 08-18-2011 |
20110206908 | USE OF A PLASTIC FILM IN COLOUR LASER PRINTING - The present invention relates to the use of a plastic film as a printable medium in colour laser printing, to special plastic films for use in colour laser printing, and to their application in the production of security documents or valuable documents and plastic mouldings. | 08-25-2011 |
20110274883 | LATENT-REACTIVELY GLUED TPU/PC LAYER MATERIALS - The invention relates to a security and/or valuable document ( | 11-10-2011 |
20110309716 | FERROELECTRET TWO-LAYER AND MULTILAYER COMPOSITE AND METHOD FOR PRODUCTION THEREOF - The invention relates to a method for producing double or multilayer ferroelectret with defined cavities by: structuring at least one first surface of a first polymer film ( | 12-22-2011 |
20120001413 | LAYER STRUCTURE AND FILMS FOR ID DOCUMENTS HAVING IMPROVED PROPERTIES FOR LASER ENGRAVING - The present invention relates to a layer structure having improved properties for laser engraving, to particular embodiments of said layer structures in the form of co-extrusion films, and to security documents, preferably identification documents comprising said layer structures. | 01-05-2012 |
20120099187 | WEATHER-RESISTANT MULTILAYER SYSTEMS - The invention relates to a multilayer product comprising a first layer (A), a second layer (B), a third layer (C), and a fourth layer (D). The first layer (A) is a scratch-resistant protective layer having a minimum extinction of 0.3 at 340 nm, the second layer (B) is an alkyl acrylate layer having a minimum extinction of 2 at 340 nm, and the third layer (C) and the fourth layer (D) contain a UV-stabilized polycarbonate. The invention also relates to a method for manufacturing the multilayer product. | 04-26-2012 |
20120135213 | COEXTRUDED FILMS WITH LOW TEMPERATURE IMPACT RESISTANCE - The invention relates to multilayer products comprising a layer (A) and a layer (B), wherein layer (A) contains polyalkyl(alkyl)acrylate and has a layer thickness <25 [mu]m, and layer (B) contains polycarbonate. The total thickness of layers (A) and (B) is 20 to 500 mm. | 05-31-2012 |
20120193645 | Radiation Emitting Device - A radiation-emitting device having an organic radiation-emitting functional layer and a radiation decoupling layer. The organic radiation-emitting functional layer emits a primary radiation; the radiation decoupling layer is disposed in the beam path of the primary radiation. On the side remote from the radiation-emitting functional layer the radiation decoupling layer comprises a microstructure having regularly disposed geometric structural elements; at least partial regions of the radiation decoupling layer contain regions which effect scattering of the primary radiation. | 08-02-2012 |
20120259055 | POLYCARBONATE COMPOSITIONS HAVING IMPROVED MECHANICAL PROPERTIES - The invention relates to compositions containing at least one (co)polycarbonate stable at high temperature and at least one ethylene-alkyl acrylate block copolymer, and to mouldings and injection moulded parts and extrudates obtainable from these compositions. | 10-11-2012 |
20130181381 | POLYMER COMPOSITE MATERIAL WITH BIOCIDE FUNCTIONALITY - The present invention relates to a novel process for preparing organically modified sheet silicates in high purity. The process of the invention uses ion exchange resins for this purpose. | 07-18-2013 |
20130214524 | METHOD FOR PRODUCING A SECURITY AND/OR VALUABLE DOCUMENT WITH PERSONALIZED INFORMATION - The invention relates to a method for producing a security and/or valuable document containing a polymer layer composite or consisting thereof, said polymer layer composite being formed from a polymer layer partial composite and a polymer cover layer and the polymer layer partial composite and/or the polymer cover layer containing a laser sensitive component, consisting of the followings steps: A) first personalized information is applied to the polymer layer partial composite by means of an inkjet printing method as a colored inkjet printed layer, B) the polymer cover layer is applied to the inkjet printed layer and is joined to the polymer layer partial composite by thermal lamination, and C) second personalized information is inscribed into the polymer layer composite of the security and/or valuable document, obtained in step B), by means of laser engraving. The invention also relates to a security and/or valuable document that can be produced according to said method. | 08-22-2013 |
20130242381 | Multilayer plastic structure having low energy transmission - The invention relates to a multilayer structure comprising a base layer comprising at least one transparent thermoplastic and a specific inorganic infra-red absorber as well as an IR-reflecting multi-ply layer, the production of such a multilayer structure and the use thereof for the production of glazing made of plastic in buildings, automobiles, rail vehicles and aircraft. | 09-19-2013 |
20140054177 | TRANSPARENT PLASTIC FILM THAT CAN BE ELECTROPLATED FOR PARTIAL ELECTROPLATING - The present invention relates to an electroplatable plastics film having a light transmission greater than 50%, particularly preferably greater than 80%, for the production of metallised components, in particular partially metallised components. | 02-27-2014 |
20140349038 | PLASTIC FILM FOR PRINTING BY DYE DIFFUSION THERMAL TRANSFER PRINTING - The invention relates to a special layer construction and a special film of plastic for the production of such a layer construction which is suitable for printing by means of dye diffusion thermal transfer printing, a process for the production thereof and a security and/or valuable document comprising such a layer construction. | 11-27-2014 |