Patents Assigned to Universitat Wien
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Publication number: 20110310370Abstract: A method and a device for processing light-polymerizable material for the assembly of a mold, utilizing a lithography-based generative manufacturing technique wherein a layer of a light-polymerizable material, the material being located in at least one trough (4) having a particularly light-transmissive, horizontal bottom (6), is polymerized by illumination on at least one horizontal platform (12), the platform having a prespecified geometry and projecting into a trough (4), in an illumination field, wherein the platform (12) is displaced vertically to form a subsequent layer, light-polymerizable material is then added to the most recently formed layer, and repetition of the foregoing steps leads to the layered construction of the mold in the desired form, which arises from the succession of layer geometries.Type: ApplicationFiled: October 20, 2008Publication date: December 22, 2011Applicants: TECHNISCHE UNIVERSITAT WIEN, IVOCLAR VIVADENT AGInventors: Gottfried Rohner, Wolfgang Wachter, Christoph Appert, Johannes Patzer, Jürgen Stampfl
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Publication number: 20110253264Abstract: An iron-carbon master alloy is described, with a C content of 0.3 to 8 wt % and an upper limit of alloying metals Ni<10 wt %, P<4 wt %, Cr<5 wt %, preferably<1 wt %, Mn<5 wt %, preferably<1 wt %, Mo<3 wt %, W<3 wt %, Cu<1 wt %, a particle size of >20 ?m and a hardness of <350 HV 0.01, and a method for the manufacture of said master alloy.Type: ApplicationFiled: December 17, 2009Publication date: October 20, 2011Applicant: TECHNISCHE UNIVERSITAT WIENInventors: Christian Gierl, Herbert Danninger, Yousef Hemmatpour
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Patent number: 8022155Abstract: The invention relates to polymerizable compositions which comprise 10-80% by weight of a reactive diluent based on acrylic acid or methacrylic acid derivatives, and 10-50% by weight of a monomer of the indicated chemical formula which is liquid or which can be dissolved in the formulation. The formula may contain amino acid residues or peptide sequences, especially such that are specific of the collagen. These structural elements allow the enzymatic degradation of the polymers of the inventive composition.Type: GrantFiled: April 10, 2006Date of Patent: September 20, 2011Assignee: Technische Universitat WienInventors: Robert Liska, Monika Schuster, Jürgen Stampfl, Heinrich Gruber, Franz Varga
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Publication number: 20110194995Abstract: The present invention relates to a microfluid device for discharging a fluid or a mixture of fluids including a discharge channel, at least one main fluid supply channel which leads into at least one secondary supply channel which is essentially situated in the same plane as the discharge channel, and which leads laterally towards the discharge channel and, in turn, leads into an inlet channel situated above or below the discharge channel, the inlet channel entering into the discharge channel from its top or bottom side via at least one inlet opening. The at least one inlet channel has a cross-sectional shape which changes in the longitudinal direction and/or in that the at least one inlet opening has an opening width changing in the transverse direction of the discharge channel.Type: ApplicationFiled: August 27, 2009Publication date: August 11, 2011Applicant: TECHNISCHE UNIVERSITAT WIENInventors: Andreas Rigler, Michael Vellekoop, Bernhard Lendl
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Patent number: 7981878Abstract: The present invention describes the use of Notch2 inhibitors for producing a medicament for the treatment of tumours, which tumours are characterized by ligand-independent Notch2 fragments.Type: GrantFiled: June 21, 2006Date of Patent: July 19, 2011Assignee: Medizinische Universitat WienInventors: Rainer Hubmann, Wolfgang Sieghart
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Publication number: 20110157588Abstract: The present invention relates to the field of analyzing the age and/or quality of certain natural products, for example foods. The invention also relates to devices for analyzing said age and/or quality as well as to methods for preparing such devices, to methods for analyzing natural products and to their use.Type: ApplicationFiled: December 12, 2008Publication date: June 30, 2011Applicants: UNIVERSITÄT WIEN, MAX F. PERUTZ LABORATORIES GMBHInventors: Fritz Pittner, Maria Bauer, Georg Bauer, Ralph Domnick, Nadira Ibrisimovic
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Patent number: 7927538Abstract: Slip based on a polyreactive binder, polymerization initiator and filler, which contains (A) 5-65 wt.-% polymerizable binder, (B) 0.001-1.0 wt.-% photoinitiator and (C) 35-90 wt.-% surface-modified ceramic and/or glass ceramic particles relative to the overall mass of the slip, and process for the preparation of ceramic mouldings by rapid prototyping processes using the slip.Type: GrantFiled: February 27, 2009Date of Patent: April 19, 2011Assignees: Ivoclar Vivadent AG, Technische Universitat WienInventors: Norbert Moszner, Wolfgang Wachter, Christoph Appert, Volker M. Rheinberger, Robert Liska, Jurgen Stampfl, Johannes Patzer
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Patent number: 7919243Abstract: A method for the detection of Fusarium graminearum (Gibberella zeae) comprising the steps: providing a sample containing a nucleic acid, contacting said sample with at least one forward primer and at least one reverse primer, wherein the at least one reverse primer hybridises within the ?-tubulin nucleic acid sequence of Fusarium graminearum (Gibberella zeae) and comprises the nucleic acid sequence 5?-R1TTTTCGTX1GX2AGT-3? (SEQ ID NO 1), wherein R1 comprises at least one nucleic acid residue of the ?-tubulin nucleic acid sequence located upstream of the hybridisation site of the nucleic acid sequence SEQ ID NO 1 and subsequent to the nucleic acid sequence SEQ ID NO 1, X1 is guanine, adenine or inosine, X2 is cytosine, adenine or inosine, and wherein the at least one forward primer hybridises upstream of the hybridisation site of a nucleic acid sequence complementary to the at least one reverse primer, subjecting the sample contacted with the at least one forward primer and the at least one reverse primer to aType: GrantFiled: July 14, 2005Date of Patent: April 5, 2011Assignee: Technische Universitat WienInventors: Robert Mach, Andreas Farnleitner, Georg Reischer
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Publication number: 20110055980Abstract: The present invention relates to an isolated nucleic acid molecule, comprising a nucleotide sequence, which encodes a polypeptide with chalcone 3-hydroxylase activity, wherein the nucleotide sequence comprises SEQ ID NO. 1 or has at least a 60% identity with SEQ ID NO. 1 or is able to hybridize with a molecule comprising the sequence of SEQ ID NO. 1, wherein the nucleotide sequence encodes a polypeptide, which comprises the motif FASRPLSX1X2G(X3)m(GSAGGD)n (SEQ ID NO. 3), wherein X1 is threonine or serine, X2 is alanine or glycine, X3 is any amino acid, m is an integer between 50 and 200, and n is 0 or 1.Type: ApplicationFiled: December 31, 2009Publication date: March 3, 2011Applicant: TECHNISCHE UNIVERSITAT WIENInventors: Heidrun Halbwirth, Karin Schlangen, Karl Stich
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Publication number: 20110020859Abstract: The present invention relates to the field of analyzing the age and/or quality of certain natural products, for example foods. The invention also relates to devices for analyzing said age and/or quality as well as to methods for preparing such devices, to methods for analyzing natural products and to their use.Type: ApplicationFiled: December 13, 2007Publication date: January 27, 2011Applicants: UNIVERSITÄT WIEN, MAX F. PERUTZ LABORATORIES GMBHInventors: Maria Bauer, Fritz Pittner, Georg Bauer
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Publication number: 20100303804Abstract: The present invention relates to a polymerization-curable composition for the preparation of biodegradable, biocompatible, cross-linked polymers on the basis of polyvinyl alcohol comprising: 5 to 100% by weight of (a) vinyl ester monomer(s) of one of the general formulas (I) to (III): wherein X is oxygen, sulfur, nitrogen, or phosphorus; n is 1 to 1000, at least 20% of the n being ?2; the R1 are selected from hydrogen; straight, branched or cyclic, saturated or unsaturated, n-valent hydrocarbon groups having 1 to 30 carbon atoms, which optionally have heteroatoms and are optionally substituted with one or more substituents selected from —OH, —COON, —CN, —CHO, and ?O, and n-valent radicals of biodegradable, biocompatible oligomers and polymers; m is an integer from 1 to 5; the R2 are selected from hydrogen, —OH, ?O, and the options listed for R1; and the R3 are selected from hydrogen, —OH, and the options listed for R1; 0 to 50% by weight of ethylenically unsaturated co-monomers; 0 to 10% by weight of (a)Type: ApplicationFiled: November 21, 2008Publication date: December 2, 2010Applicant: TECHNISCHE UNIVERSITAT WIENInventors: Robert Liska, Jürgen Stampfl, Franz Varga, Heinrich Gruber, Stefan Baudis, Christian Heller, Monika Schuster, Helga Bergmeister, Günter Weigel, Claudia Dworak
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Publication number: 20100283188Abstract: The present invention relates to a method for the generative production of a shaped body (27) of material (5, 55) solidifiable under the effect of electromagnetic radiation, in particular a green compact for dental restoration, by means of a multiplicity of exposure steps (1001, 1002, 1003, 1004), characterized in that a new layer of material (5, 55) solidifiable under the effect of electromagnetic radiation, having a layer thickness which is less than or equal to half the penetration depth of the electromagnetic radiation into the solidifiable material (5, 55), is provided before an exposure step (1001, 1002, 1003, 1004), the layer provided is exposed in the exposure step (1001, 1002, 1003, 1004) only in a subregion (2001, 3001) of the shaped body layer to be formed, and a layer provided before a preceding exposure step, on which the new layer has been provided, being solidified together with the new layer in the exposed subregion (2001, 3001), and the exposed subregion (2001, 3001) is varied between the expType: ApplicationFiled: September 29, 2009Publication date: November 11, 2010Applicants: IVOCLAR VIVADENT AG, TECHNISCHE UNIVERSITAT WIENInventors: Gottfried ROHNER, Wolfgang WACHTER, Jürgen STAMPFL, Johannes PATZER, Johannes HOMA
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Patent number: 7815835Abstract: The invention relates to a method for producing three-dimensional objects, comprising producing a three-dimensional structure by sequential selective curing of layers of a composition curable with visible and/or ultraviolet light into a solid polymeric material by sequential exposure of the individual layers to UV and/or visible light, whereafter a three-dimensional object is produced by use of the three-dimensional structure thus formed, followed by removing the three-dimensional structure from or of the three-dimensional object, characterized in that removing the three-dimensional structure is accomplished by chemically cleaving the polymeric material as well as simultaneously or subsequently dissolving the material in a solvent or mixed solvent and/or melting the material.Type: GrantFiled: June 29, 2006Date of Patent: October 19, 2010Assignee: Technische Universitat WienInventors: Jürgen Stampfl, Heinrich Gruber, Helga Lichtenegger, Robert Liska, Robert Inführ
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Patent number: 7791394Abstract: The invention relates to a method for distributed, fault-tolerant clock pulse generation in hardware systems, wherein the system clock pulse is generated in distribution by a plurality of intercommunicating fault-tolerant clock pulse synchronization algorithms (TS-Algs), in which an arbitrary number of such TS-Algs exchange information between one another via a user-defined and permanent network (TS-Net) of clock pulse signals, susceptible to transient faults, and each TS-Alg is assigned to one or more functional units (Fu1, Fu2, . . . ), whose local clock pulses are generated by it, and further all local clock pulses are synchronized with respect to frequency in an assured manner, and a specified number of transient and/or permanent faults may occur in the TS-Algs or in the TS-Net, without adversely affecting the clock pulse generation and/or the synchronization accuracy, and the system clock pulse automatically achieves the maximum possible frequency. The invention further relates to such a hardware system.Type: GrantFiled: July 18, 2005Date of Patent: September 7, 2010Assignee: Technische Universitat WienInventors: Ulrich Schmid, Andreas Steininger
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Publication number: 20100168824Abstract: The invention relates to a device (1) for irradiating tissue (G) with light pulses (L), comprising a housing (2), at least one light source (3) for emitting the light pulses (L) with a wavelength (?) of from 600 nm to 660 run, a modulator (4) and a power stage (6) for generating the light pulses (L), and with an activating element (5). For creating a device (1) which is as small, as cost-efficient and as effective as possible, by which as good a therapy success as possible is achieved in various applications, the modulator (4) is designed for generating the light pulses (L) with a pulse frequency (f) of from 1 to 10 Hz, and the power stage (6) is designed for emitting the light pulses (L) with an energy which causes breaking up of the photosensitizer in the photodynamic therapy and evokes a frequency doubling or a two-photon absorption (TPA) in the tissue (G) when treating inflammations without a sensitizer.Type: ApplicationFiled: June 11, 2008Publication date: July 1, 2010Applicant: TECHNISCHE UNIVERSITAT WIENInventor: Walter Toriser
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Publication number: 20100120067Abstract: Methods for the detection or quantification of antibodies against H. meleagridis. Such methods generally comprise providing a surface with immobilized antibodies against H. meleagridis and H. meleagridis antigens immobilized on said antibodies, and/or with isolated H. meleagridis antigens, contacting a sample which potentially comprises antibodies against H. meleagridis, and detecting binding events of the antibodies of the sample onto the surface. Compositions and kits used in performing such methods are also contemplated.Type: ApplicationFiled: November 12, 2009Publication date: May 13, 2010Applicant: VETERINARMEDIZINISCHE UNIVERSITAT WIENInventor: Michael Hess
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Publication number: 20100096547Abstract: In a method for classifying and separating particles in a fluid stream in which the particles are sprayed and electrically charged and deflected in an electrical field one portion of the stream of the charged or ionized particles respectively is introduced into a first separation device operated as an analyzer (4) and is deflected under variation of the applied high voltage or the electric field respectively, whereby particles reach a detector chamber (10) according to separation criteria like, for example charge or particle size. This high voltage and/or field strength corresponding to a species collected in the detector chamber (10) is read and/or stored as a reference value. The particle stream is fed into a separator (5), in which the previously acquired high voltage and/or field strength is applied and particles of the species deflected in the analyzer (4) into the detector chamber (10) are enriched and discharged correspondingly.Type: ApplicationFiled: July 26, 2006Publication date: April 22, 2010Applicants: Universität Wien, Technische Universität WienInventors: Günter Allmaier, Wladyslaw W. Szymanski, Georg Reischl, Christian Laschober
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Publication number: 20100029801Abstract: Slip based on a polyreactive binder, polymerization initiator and filler, which contains (A) 5-65 wt.-% polymerizable binder, (B) 0.001-1.0 wt.-% photoinitiator and (C) 35-90 wt.-% surface-modified ceramic and/or glass ceramic particles relative to the overall mass of the slip, and process for the preparation of ceramic mouldings by rapid prototyping processes using the slip.Type: ApplicationFiled: February 27, 2009Publication date: February 4, 2010Applicants: Ivoclar Vivadent AG, Technische Universitat WienInventors: Norbert MOSZNER, Wolfgang WACHTER, Christoph APPERT, Volker M. RHEINBERGER, Robert LISKA, Jurgen STAMPFL, Johannes PATZER
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Publication number: 20090326655Abstract: An implant for fastening ligaments or tendons to a bone or bone replacement, generally referred to as a bone member. The implant has a housing, a device for fixing or attaching a ligament or tendon, and a device for being fastened to the bone member. The fixing device can be displaced relative to the fastening device. At least one motor is provided for displacing the fixing device relative to the fastening device. The motor is connected to a receiver for telemetrically triggering the motor. The implant allows the tension of the ligament or tendon and the position of the attachment of the ligament or the tendon to be post-operatively adjusted in an optimal fashion.Type: ApplicationFiled: July 26, 2007Publication date: December 31, 2009Applicant: MEDIZINISCHE UNIVERSITAT WIENInventors: Winfried Mayr, Gobert Skrbensky, Ewald Unger, Roland Huber
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Publication number: 20090304725Abstract: The present invention relates to a vaccine against cancerous diseases associated with the carcinoembryonic antigen CEA.Type: ApplicationFiled: February 5, 2007Publication date: December 10, 2009Applicant: Medizinische Universitat WienInventors: Erika Jensen-Jarolim, Kira Brämswig, Angelika Riemer, Christoph Zielinski, Otto Scheiner