Patent application number | Description | Published |
20100036013 | PHENYL ISOCYANATE-BASED URETHANE ACRYLATES, PROCESSES FOR PRODUCING AND METHODS OF USING THE SAME - Urethane acrylates of the general Formula (I), corresponding salts, solvates or solvates of a salt thereof: | 02-11-2010 |
20100086861 | SPECIAL POLYETHER-BASED POLYURETHANE FORMULATIONS FOR THE PRODUCTION OF HOLOGRAPHIC MEDIA - The present invention relates to novel polyurethane compositions which are advantageous for the production of holographic media, inter alia for data storage, but also for optical applications of different types. | 04-08-2010 |
20100087564 | PHOTOPOLYMER FORMULATIONS HAVING A LOW CROSSLINKING DENSITY - The invention relates to photopolymer formulations based on a polymeric network as a matrix and at least one photopolymerizable monomer dissolved therein and to a method for the production of holographic media from such photopolymers and to the use thereof. | 04-08-2010 |
20100112459 | POLYETHER-BASED POLYURETHANE FORMULATIONS FOR THE PRODUCTION OF HOLOGRAPHIC MEDIA - The present invention relates to novel polyurethane compositions which are advantageous for the production of holographic media, inter alia for data storage, but also for optical applications of different types. | 05-06-2010 |
20100203241 | Prepolymer-Based Polyurethane Formulations For The Production Of Holographic Films - The present invention relates to a novel holographic photopolymer based on prepolymer-based polyurethane compositions, the preparation of said photopolymer and its use for a very wide range of optical applications. | 08-12-2010 |
20110065827 | NOVEL HOLOGRAPHIC MEDIA AND PHOTOPOLYMERS - The invention relates to holographic media containing specific photopolymers, a process for the production thereof, and unsaturated glycidyl ether acrylate urethanes as writing monomers which are suitable for the preparation of photopolymers. | 03-17-2011 |
20120302659 | PHOTOPOLYMER FORMULATION HAVING ESTER-BASED WRITING MONOMERS - The invention relates to a photopolymer formulation comprising matrix polymers, writing monomers, and photoinitiators, wherein the writing monomers comprise compounds of formula (I), where at least one of the radicals R1, R2, R3, R4, R5, R6 is a radical bonded to the aromatic ring via X of formula (II), where, in formula (II), A is a linear or branched hydrocarbon, optionally comprising oxygen or nitrogen, the remaining radicals R1, R2, R3, R4, R5, R6 are, independent of each other, hydrogen or an organic radical, and R7 is hydrogen or methyl. The invention further relates to the use of the photopolymer formulation for producing holographic media. | 11-29-2012 |
20120321997 | URETHANES USED AS ADDITIVES IN A PHOTOPOLYMER FORMULATION - The invention relates to a photopolymer formulation comprising matrix polymers, writing monomers and photo initiators, to a method for producing said photopolymer formulation, a photopolymer formulation obtained according to said method, a sheeting, a film, a layer, a layer structure or a moulded body made from said photopolymer formulation and to the use of said photopolymer formulation for producing optical elements, in particular for producing holographic elements and images. | 12-20-2012 |
20120321998 | PHOTOPOLYMER FORMULATION HAVING TRIAZINE-BASED WRITING MONOMERS - The invention relates to a photopolymer formulation comprising polyurethane matrix polymers, writing monomers, and photoinitiators, wherein the writing monomers comprise compounds of formula (I), where R1, R2, R3 independent of each other are each a halogen atom or an organic radical, wherein at least one of the radicals is an organic radical comprising a radiation hardening group. The invention further relates to the use of the photopolymer formulation for producing holographic media. | 12-20-2012 |
20130177746 | LAMINATE STRUCTURE COMPRISING A PROTECTIVE LAYER AND AN EXPOSED PHOTOPOLYMER LAYER - The present invention relates to a laminate structure comprising a protective layer and an exposed photopolymer layer, the laminate structure being obtainable by reacting at least one radiation-curing resin I), an isocyanate-functional resin II) and a photoinitiator system III), and the radiation-curing resin I) containing ≦5% by weight of compounds having a weight-average molecular weight of <500 and ≧75% by weight of compounds having a weight-average molecular weight of >1000, the isocyanate-functional resin II) containing ≦5% by weight of compounds having a weight-average molecular weight of <500, and the protective layer containing the radiation-curing resin I) at least to an extent of 80% by weight and the isocyanate-functional resin II) at most to an extent of 15% by weight. The invention further provides a process for producing the inventive laminate structure. | 07-11-2013 |
20130224634 | PHOTOPOLYMER FORMULATION FOR PRODUCING HOLOGRAPHIC MEDIA HAVING HIGHLY CROSSLINKED MATRIX POLYMERS - The invention relates to a photopolymer formulation comprising a polyol component, a polyisocyanate component, a writing monomer, and a photoinitiator, containing a coinitiator and a dye having the formula F An, where F stands for a cationic dye and An″ stands for an anion, wherein the dye having the formula F An comprises a water absorption of =5%. The invention further relates to a holographic medium, in particular in the form of a film, containing a photopolymer formulation according to the invention, to the use of such a medium for recording holograms, and to a special dye that can be used in the photopolymer formulation according to the invention. | 08-29-2013 |
20130252140 | DIFUNCTIONAL (METH)ACRYLATE WRITING MONOMERS - The invention relates to compounds, of formula (I) in which X is CH | 09-26-2013 |
20130265625 | AUTOSTEREOSCOPIC 3D DISPLAY - The invention relates to an autostereoscopic 3D display ( | 10-10-2013 |
20140038084 | PHOTOPOLYMER FORMULATION FOR PRODUCING HOLOGRAPHIC MEDIA - The invention relates to a photopolymer formulation, comprising at least one polyol component, a polyisocyanate component, a write monomer, a photoinitiator, and a catalyst, wherein the photopolymer formulation has an activation temperature >8300 K. The invention further relates to a method for producing a holographic medium, to a holographic medium that can be obtained according to the method according to the invention, and to the use of a holographic medium according to the invention for producing a hologram. | 02-06-2014 |
20140255824 | SULPHUR-CONTAINING CHAIN TRANSFER REAGENTS IN POLYURETHANE-BASED PHOTOPOLYMER FORMULATIONS - The present invention relates to photopolymer formulations comprising: matrix polymers (A), obtainable by reacting at least one polyisocyanate component (a) and one isocyanate-reactive component (b); a writing monomer (B); a photoinitiator (C) a catalyst (D); and a sulphur-containing chain transfer reagent (E). A holographic medium that contains a photopolymer formulation according to the invention or can be obtained by using it, the use of a photopolymer formulation according to the invention for manufacturing holographic media, and a method for producing a holographic medium by using a photopolymer formulation according to the invention are also subject matter of the invention. | 09-11-2014 |
20140295328 | CHAIN TRANSFER REAGENTS IN POLYURETHANE-BASED PHOTOPOLYMER FORMULATIONS - The present invention relates to photopolymer formulations comprising: matrix polymers (A), obtainable by reacting at least one polyisocyanate component (a) and one isocyanate-reactive component (b); a writing monomer (B); a photoinitiator (C); a catalyst (D); and a chain transfer reagent (E). A holographic medium that contains a photopolymer formulation according to the invention or can be obtained by using it, the use of a photopolymer formulation according to the invention for manufacturing holographic media, and a method for producing a holographic medium by using a photopolymer formulation according to the invention are also subject matter of the invention. | 10-02-2014 |
20140295329 | HOLOGRAPHIC MEDIUM HAVING A PROTECTIVE LAYER - This invention relates to a holographic medium comprising a protective layer and a photopolymer film which is bonded to the protective layer and contains polyurethane matrix polymers, acrylate writing monomers and photoinitiators, wherein the protective layer is impermeable to the constituents of the photopolymer film, is optically clear and is transparent to electromagnetic radiation having a wavelength in the range of from 350 to 800 nm. The invention further provides the use of a holographic medium according to the invention in the production of holograms, and a process for the production of a holographic medium according to the invention. | 10-02-2014 |
20140302425 | METHOD FOR PRODUCING HOLOGRAPHIC MEDIA - The invention relates to a method for producing holographic media, wherein a photopolymer formulation comprising matrix polymers, writing monomers, a photoinitiator system, and optionally auxiliary materials and additives as components is provided, the photopolymer formulation is applied as a coating on the surface of a carrier film and the photopolymer formulation is dried on the carrier film at a temperature XXYY DEG C., wherein only those compounds having TGA 95 values >100 DEG C. and at least 30 DEG C. above the temperature T are selected as components for the photopolymer formulation. The invention further relates to a holographic medium that can be obtained by means of the method according to the invention. | 10-09-2014 |
20140302426 | METHOD FOR PRODUCING A HOLOGRAPHIC FILM - The invention relates to a method for producing holographic films, in which a photopolymer formulation is provided which comprises as constituents matrix polymers, writing monomers, a photoinitiator system, optionally a non-photopolymerizable component and optionally catalysts, radical stabilizers, solvents, additives and other auxiliaries and/or additives. The photopolymer formulation is applied in a planar manner and in the form of a film on a support film and the photopolymer formulation is dried on the support film at a temperature 60100 DEG C. and are above the temperature T by at least 30 DEG C., and a photopolymer formulation having a plateau module of =0.030 MPa is used. | 10-09-2014 |
20150017353 | LAYER COMPOSITE CONSISTING OF A PHOTOPOLYMER FILM AND AN ADHESIVE LAYER - The present invention relates to a layer composite comprising an exposed photopolymer film and an adhesive layer which is connected to the photopolymer film at least in certain regions, wherein the photopolymer film comprises crosslinked polyurethane matrix polymers A), crosslinked writing monomers B) and a monomeric fluoroethane additive C), wherein the adhesive layer is in the form of a diffusion barrier for the fluoroethane additive C). The invention also relates to the use of the layer composite for producing chip cards, ID documents or 3D images, as a product protective label, as a label, in banknotes in the form of a strip or window or as holographically optical elements in displays. | 01-15-2015 |
Patent application number | Description | Published |
20100036013 | PHENYL ISOCYANATE-BASED URETHANE ACRYLATES, PROCESSES FOR PRODUCING AND METHODS OF USING THE SAME - Urethane acrylates of the general Formula (I), corresponding salts, solvates or solvates of a salt thereof: | 02-11-2010 |
20100086861 | SPECIAL POLYETHER-BASED POLYURETHANE FORMULATIONS FOR THE PRODUCTION OF HOLOGRAPHIC MEDIA - The present invention relates to novel polyurethane compositions which are advantageous for the production of holographic media, inter alia for data storage, but also for optical applications of different types. | 04-08-2010 |
20100087564 | PHOTOPOLYMER FORMULATIONS HAVING A LOW CROSSLINKING DENSITY - The invention relates to photopolymer formulations based on a polymeric network as a matrix and at least one photopolymerizable monomer dissolved therein and to a method for the production of holographic media from such photopolymers and to the use thereof. | 04-08-2010 |
20100112459 | POLYETHER-BASED POLYURETHANE FORMULATIONS FOR THE PRODUCTION OF HOLOGRAPHIC MEDIA - The present invention relates to novel polyurethane compositions which are advantageous for the production of holographic media, inter alia for data storage, but also for optical applications of different types. | 05-06-2010 |
20100203241 | Prepolymer-Based Polyurethane Formulations For The Production Of Holographic Films - The present invention relates to a novel holographic photopolymer based on prepolymer-based polyurethane compositions, the preparation of said photopolymer and its use for a very wide range of optical applications. | 08-12-2010 |
20110065827 | NOVEL HOLOGRAPHIC MEDIA AND PHOTOPOLYMERS - The invention relates to holographic media containing specific photopolymers, a process for the production thereof, and unsaturated glycidyl ether acrylate urethanes as writing monomers which are suitable for the preparation of photopolymers. | 03-17-2011 |
20110189591 | PREPOLYMER-BASED POLYURETHANE FORMULATIONS FOR PRODUCING HOLOGRAPHIC MEDIA - The present invention relates to a polyurethane composition comprising
| 08-04-2011 |
20110236803 | PHOTOPOLYMER FORMULATION FOR PRODUCING VISIBLE HOLOGRAMS - The present invention relates to a photopolymer formulation containing chemically crosslinked matrix polymers, writing monomers and a photoinitiator system, wherein the photoinitiator system contains a HABI, a dye attuned to the HABI and having an absorption maximum in the range of 400-800 nm and a hydrogen donor. The present invention further relates to a process for producing exposed holographic media with the above photopolymer formulation. | 09-29-2011 |
20110311905 | METHOD FOR PRODUCING HOLOGRAPHIC PHOTOPOLYMERS ON POLYMER FILMS - The invention relates to a method for producing novel photopolymers on the basis of prepolymer-based polyurethane compositions that are suitable for producing holographic media, in particular for the visual display of images. | 12-22-2011 |
20110311906 | PHOTOPOLYMER COMPOSITIONS AS PRINTABLE FORMULATIONS - The invention relates to applying novel photo polymers based on special urethane acrylates as writing monomers in printing methods which are suitable for producing holographic media, in particular for the visual display of images. | 12-22-2011 |
20120214089 | METHOD FOR PRODUCING A HOLOGRAPHIC FILM - The invention relates to a method for producing holographic films, in which a photopolymer formulation is provided which comprises as constituents matrix polymers, writing monomers, a photoinitiatior system, optionally a non-photopolymerizable component and optionally catalysts, radical stabilizers, solvents, additives and other auxiliaries and/or additives. The photopolymer formulation is applied in a planar manner and in the form of a film on a support film and the photopolymer formulation is dried on the support film at a temperature 60100 DEG C and are above the temperature T by at least 30 DEG C, and a photopolymer formulation having a plateau module of =0.030 MPa is used. | 08-23-2012 |
20120214090 | METHOD FOR PRODUCING HOLOGRAPHIC MEDIA - The invention relates to a method for producing holographic media, wherein a photopolymer formulation comprising matrix polymers, writing monomers, a photoinitiator system, and optionally auxiliary materials and additives as components is provided, the photopolymer formulation is applied as a coating on the surface of a carrier film and the photopolymer formulation is dried on the carrier film at a temperature XXYY DEG C., wherein only those compounds having TGA 95 values >100 DEG C. and at least 30 DEG C. above the temperature T are selected as components for the photopolymer formulation. The invention further relates to a holographic medium that can be obtained by means of the method according to the invention. | 08-23-2012 |
20120214895 | URETHANE ACRYLATE HAVING A HIGH REFRACTIVE INDEX AND REDUCED DOUBLE BOND DENSITY - The invention relates to novel specially substituted urethane acrylates based on tris(p-isocyanatophenyl)thiophosphate having a high refractive index and reduced double bond density, and to a method for the production and use thereof. | 08-23-2012 |
20120219883 | METHOD FOR PRODUCING A HOLOGRAPHIC FILM - The invention relates to a method for producing a holographic film, wherein a photopolymer formulation comprising matrix polymers, writing monomers, photoinitiator system, and optionally auxiliary materials and additives is provided, the photopolymer formulation is applied as a film to the surface of a substrate, and the film is dried, wherein a photopolymer formulation having a plateau module G | 08-30-2012 |
20120219884 | PHOTOPOLYMER FORMULATIONS HAVING THE ADJUSTABLE MECHANICAL MODULUS GUV - The subject matter of the invention is a method for producing illuminated, holographic media comprising a photopolymer formulation having the adjustable mechanical modulus GUV. A further subject matter of the invention is an illuminated, holographic medium that can be obtained by means of the method according to the invention. | 08-30-2012 |
20120219885 | NOVEL NON-CRYSTALLIZING METHACRYLATES, PRODUCTION AND USE THEREOF - The invention relates to a novel non-crystallizing methacrylate and a method for the production thereof. The invention further relates to a photopolymer formulation comprising the methacrylate of the invention as well as to use of said photopolymer formulation for producing holographic media. | 08-30-2012 |
20120231376 | FLUOROURETHANE AS AN ADDITIVE IN A PHOTOPOLYMER FORMULATION - The invention relates to a photopolymer formulation comprising matrix polymers, writing monomers, and photoinitiators, to the use of the photopolymer formulation for producing optical elements, in particular for producing holographic elements and images, to a method for illuminating holographic media made of the photopolymer formulation, and to special fluorourethanes. | 09-13-2012 |
20120231377 | PHOTOPOLYMER FORMULATION HAVING DIFFERENT WRITING COMONOMERS - The invention relates to a photopolymer formulation comprising matrix polymers, writing monomers, and photo initiators, comprising a combination of at least two different writing monomers. The invention further relates to the use of the photopolymer formulation for producing optical elements, in particular for producing holographic elements and images, to a method for producing the photopolymer formulation and to a method for illuminating holographic media made of the photopolymer formulation. | 09-13-2012 |
20120237856 | SELECTION METHOD FOR ADDITIVES IN PHOTOPOLYMERS - The invention relates to a method for selecting compounds which can be used as additives in photopolymer formulations for producing light holographic media, and to photopolymer formulations which contain at least one softener which are selected according to the claimed method. The invention also relates to the use of photopolymer formulations for producing holographic media. | 09-20-2012 |
20120302659 | PHOTOPOLYMER FORMULATION HAVING ESTER-BASED WRITING MONOMERS - The invention relates to a photopolymer formulation comprising matrix polymers, writing monomers, and photoinitiators, wherein the writing monomers comprise compounds of formula (I), where at least one of the radicals R1, R2, R3, R4, R5, R6 is a radical bonded to the aromatic ring via X of formula (II), where, in formula (II), A is a linear or branched hydrocarbon, optionally comprising oxygen or nitrogen, the remaining radicals R1, R2, R3, R4, R5, R6 are, independent of each other, hydrogen or an organic radical, and R7 is hydrogen or methyl. The invention further relates to the use of the photopolymer formulation for producing holographic media. | 11-29-2012 |
20120321997 | URETHANES USED AS ADDITIVES IN A PHOTOPOLYMER FORMULATION - The invention relates to a photopolymer formulation comprising matrix polymers, writing monomers and photo initiators, to a method for producing said photopolymer formulation, a photopolymer formulation obtained according to said method, a sheeting, a film, a layer, a layer structure or a moulded body made from said photopolymer formulation and to the use of said photopolymer formulation for producing optical elements, in particular for producing holographic elements and images. | 12-20-2012 |
20120321998 | PHOTOPOLYMER FORMULATION HAVING TRIAZINE-BASED WRITING MONOMERS - The invention relates to a photopolymer formulation comprising polyurethane matrix polymers, writing monomers, and photoinitiators, wherein the writing monomers comprise compounds of formula (I), where R1, R2, R3 independent of each other are each a halogen atom or an organic radical, wherein at least one of the radicals is an organic radical comprising a radiation hardening group. The invention further relates to the use of the photopolymer formulation for producing holographic media. | 12-20-2012 |
20130224634 | PHOTOPOLYMER FORMULATION FOR PRODUCING HOLOGRAPHIC MEDIA HAVING HIGHLY CROSSLINKED MATRIX POLYMERS - The invention relates to a photopolymer formulation comprising a polyol component, a polyisocyanate component, a writing monomer, and a photoinitiator, containing a coinitiator and a dye having the formula F An, where F stands for a cationic dye and An″ stands for an anion, wherein the dye having the formula F An comprises a water absorption of =5%. The invention further relates to a holographic medium, in particular in the form of a film, containing a photopolymer formulation according to the invention, to the use of such a medium for recording holograms, and to a special dye that can be used in the photopolymer formulation according to the invention. | 08-29-2013 |
20130252140 | DIFUNCTIONAL (METH)ACRYLATE WRITING MONOMERS - The invention relates to compounds, of formula (I) in which X is CH | 09-26-2013 |
20130265625 | AUTOSTEREOSCOPIC 3D DISPLAY - The invention relates to an autostereoscopic 3D display ( | 10-10-2013 |