Patents Assigned to Universitaet Bayreuth
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A METHOD OF PREPARING POLY(ACRYLONITRILE) FIBERS AND POLY(ACRYLONITRILE) FIBERS OBTAINABLE THEREWITH
Publication number: 20220282403Abstract: The present invention relates to a method of preparing poly(acrylonitrile) fibers comprising: (i) providing a solution of poly(acrylonitrile) and a polyazide compound; and (ii) electrospinning the solution of poly(acrylonitrile) and a polyazide compound to provide fibers. The poly(acrylonitrile) fibers which are obtainable by the method are also claimed.Type: ApplicationFiled: August 19, 2020Publication date: September 8, 2022Applicant: Universität BayreuthInventors: Andreas GREINER, Seema AGARWAL, Xiaojian LIAO -
Patent number: 11001531Abstract: Disclosed herein are prepregs for ceramic matrix composites, processes for the preparation of a green bodies using the prepregs disclosed herein, and processes for the preparation of the ceramic matrix composites from the green bodies prepared according processes provided herein.Type: GrantFiled: June 22, 2017Date of Patent: May 11, 2021Assignee: UNIVERSITÄT BAYREUTHInventors: Stefan Knohl, Walter Krenkel, Georg Puchas, Thomas Wamser
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Patent number: 10428184Abstract: The invention concerns a method for producing a superhydrophobic membrane or surface coating of a substrate from an aqueous phase comprising the following steps: a) Preparing an aqueous dispersion by dispersing particles of hydrophobic polymer(s) in an aqueous solution of protic polymer(s), wherein the protic polymer(s) and the hydrophobic polymer(s) are present in a weight ratio of protic polymer(s):hydrophobic polymer(s) in a range of 5:95 to 22:78, b) electrospinning the dispersion of step a) onto a carrier for producing the membrane or onto the surface for producing the surface coating thereby producing at least one fiber and a nonwoven fabric from the fiber, c) subjecting the nonwoven fabric to a sol-gel process, wherein a precursor/precursors of the sol-gel comprise(s) an alkoxysilane, and d) curing the nonwoven fabric obtained by step c) at a temperature in a range of 50° C. to 150° C.Type: GrantFiled: April 9, 2015Date of Patent: October 1, 2019Assignee: Universitaet BayreuthInventors: Andreas Greiner, Seema Agarwal, Mitsunobu Doimoto
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Publication number: 20190276961Abstract: The invention concerns an electrically conductive non-woven fabric which fabric comprises or consists of a three-dimensional network of non-woven non-electrically conductive synthetic nanofibers and electrically conductive metal nanowires distributed therein, wherein the synthetic nanofibers comprise or consist of fibers having a diameter in the range of 10 nm to 2000 nm and a maximal length of 6 mm, wherein the electrically conductive metal nanowires comprise or consist of strands having a diameter in the range of 10 nm to 800 nm and a length in the range of 1 ?m to 500 ?m, wherein the electrically conductive metal nanowires occupy between 0.5% by volume to 5% by volume of said fabric, wherein the electrically conductive metal nanowires and the synthetic nanofibers are homogenously distributed within the electrically conductive non-woven fabric.Type: ApplicationFiled: October 27, 2017Publication date: September 12, 2019Applicant: Universität BayreuthInventors: Andreas Greiner, Seema Agarwal, Markus Langner, Steffen Reich
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Publication number: 20180030623Abstract: The invention concerns a powder of fragments of at least one polymeric nanofiber which fragments have a maximal average length of 0.12 mm.Type: ApplicationFiled: January 21, 2016Publication date: February 1, 2018Applicant: UNIVERSITAET BAYREUTHInventors: Andreas GREINER, Seema AGARWAL, Markus LANGNER
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Patent number: 9868750Abstract: The present invention relates to a 4,5-diarylimidazole derivative of formulae (I), (II) or (III): or a pharmaceutically acceptable salt thereof, wherein the 4,5-diarylimidazole derivative has a hydroxamic acid residue at a first aryl ring and a residue R1 at a second aryl ring; and wherein R1 is hydrogen, a halogen atom or an unsubstituted or substituted alkoxy group; R2 is independently selected from an unsubstituted or substituted alkyl, alkoxy or alkene group; M is a metal atom; L is a halogen atom, an unsubstituted or substituted phosphane, sulfane, arene or alkene group or a 4,5-diarylimidazole-derivative of formula (I); and n is an integer of from 1 to 5.Type: GrantFiled: July 13, 2015Date of Patent: January 16, 2018Assignees: CHARITÉ—UNIVERSITÄTSMEDIZIN BERLIN, UNIVERSITÄT BAYREUTHInventors: Michael Höpfner, Bernhard Biersack, Rainer Schobert, Katharina Mahal
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Patent number: 9815774Abstract: A new azobenzene-based fluorescence quencher with excellent solubility in aqueous solution is described here. This compound represents an optimized alternative to dabcyl in a variety of biomolecular applications, like fluorogenic protease substrates or nucleic acids probes.Type: GrantFiled: November 27, 2015Date of Patent: November 14, 2017Assignee: UNIVERSITÄT BAYREUTHInventors: Elisa Bombarda, Oxana Kempf, Karl Kempf, Rainer Schobert, G. Matthias Ullmann
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Publication number: 20090258348Abstract: The present invention relates to the use of an esterase for monitoring and/or tracking the synthesis of a protein, polypeptide or peptide in a cell-free translation system or in an in vivo expression system in which the synthesis of a protein, polypeptide or peptide can occur, wherein said monitoring and/or tracking comprises the detection of the function of said esterase. The present invention further relates to a vector comprising a nucleic acid molecule coding for an esterase and expressing an esterase fusionprotein. Moreover, the present invention relates to a vector comprising a nucleic acid molecule coding for an esterase and comprising in frame at least one multiple cloning site for a further protein/polypeptide/peptide, to be expressed in form of a fusion protein comprising said esterase (esterase activity) and said further proteinaceous peptide structure. The present invention also provides for a protein, polypeptide or peptide encoded by the vectors of the present invention.Type: ApplicationFiled: February 2, 2006Publication date: October 15, 2009Applicant: UNIVERSITÄT BAYREUTHInventors: Mathias Sprinzl, Dmitry Agafonov, Kersten Rabe
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Publication number: 20070259004Abstract: The present invention is related to the use of the gsiB promoter as an inducible promoter in an expression system, whereby the promoter can be induced by a measure selected from the group comprising decrease in pH, increase in temperature, addition of alcohol, preferably ethanol, exhaustion of nutrients and oxygen limitation.Type: ApplicationFiled: December 8, 2006Publication date: November 8, 2007Applicant: Universitaet BayreuthInventor: Wolfgang Schumann