Patents by Inventor Dieter Kuhn
Dieter Kuhn 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).
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Publication number: 20130245173Abstract: A processing aid is used in the processing of thermoplastic polyurethanes to give various articles including a self-supporting film. The processing aid contains a) 10-50% by weight of hydrophobized, at least partially aggregated, metal oxide particles selected from the group consisting of aluminium oxide, silicon dioxide and mixtures thereof, b) 20-75% by weight of one or more thermoplastic polyurethanes, c) 0.5-25% by weight of one or more isocyanates, d) 0.5-15% by weight of one or more compounds which act as lubricant and dispersant, the sum of the constituents a) to d) amounting to at least 90% by weight, based on a total weight of said processing aid.Type: ApplicationFiled: May 13, 2013Publication date: September 19, 2013Applicant: Evonik Degussa GmbHInventors: Thomas Welker, Ulrich Boes, Frank Menzel, Dieter Kuhn, Uwe Schachtely, Didier Lagneaux, Henri Sautel
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Patent number: 8520193Abstract: Method for irradiating granules, in the case of which the granules are arranged in a sample container (2) and are irradiated with an irradiation lamp (3), the granules being periodically mixed during the irradiation such that different surfaces of the granules are irradiated. It is preferred to make use for the irradiation of a device which comprises a. at least one irradiation lamp (3), and b. at least one sample container (2) for the granules to be irradiated, the sample container being connected to a drive so that the sample container can be moved during the irradiation and the granules can be mixed.Type: GrantFiled: December 29, 2009Date of Patent: August 27, 2013Assignee: EVONIK DEGUSSA GmbHInventors: Marisa Cruz, Rainer Fuchs, Frank Dieter Kuhn
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Publication number: 20130115354Abstract: A method and system for homogenizing a fibrous, viscous food mass 1, in particular pasta filata, such as mozzarella, for example, wherein a feed quantity of the food mass 1 is initially fed continuously to a homogenizing device comprising a container, wherein in a subsequent step the food mass 1 exiting an outlet gap of the container is fed to a shaping and/or cooling device disposed underneath the container, wherein the shaping and/or cooling device forms a filling gap between two rollers, each of which, in particular, is equipped with a belt, and shapes the food mass 1 into a food strip, wherein the outlet gap of the container is oriented at least substantially parallel to the filling gap, wherein the opening width of the outlet gap 5 and/or the feed quantity are set such that the food mass located in the container can settle for the purpose of homogenization, wherein the fibers of the food mass entering the filling gap are aligned substantially in the processing direction.Type: ApplicationFiled: July 18, 2011Publication date: May 9, 2013Applicant: HOCHLAND SEInventors: Dieter Kuhn, Oskar Milz, Andreas Mueller
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Patent number: 8415430Abstract: Thermoplastic elastomer, which comprises a fumed, hydrophilic or hydrophobic silica, which has been structurally modified and also a process for the improvement of the mechanical properties of thermoplastic elastomers. The thermoplastic elastomers are produced by preparing a masterbatch from the components (e.g. thermoplastic resin component and fumed silica) and compounding this with further thermoplastic elastomers.Type: GrantFiled: March 24, 2009Date of Patent: April 9, 2013Assignee: Evonik Degussa GmbHInventors: Dieter Kuhn, Werner Michel, Mario Scholz, Uwe Schachtely, Thomas Welker, Andrea Tietze, Ulrich Boes
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Publication number: 20130020744Abstract: Processing aid comprising a) 10-50% by weight of hydrophobized, at least partially aggregated, metal oxide particles b) 20-75% by weight of one or more thermoplastic polyurethanes, c) 0.5-50 by weight of one or more prepolymers comprising isocyanate groups the sum of the constituents a) to c) amounting to at least 80% by weight, based on the processing aid.Type: ApplicationFiled: March 21, 2011Publication date: January 24, 2013Applicant: Evonik Degussa GmbHInventors: Thomas Welker, Frank Menzel, Dieter Kuhn, Uwe Schachtely, Uwe Kinzlinger, Ulrich Boes, Didier Lagneaux, Henri Sautel
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Publication number: 20120164309Abstract: A device for coating at least regions of a medical implant includes an elastically deformable transfer means having a liquid that contains at least one pharmaceutically active substance. The liquid can be transferred to the medical implant when the transfer means is contacted with a surface of the medical implant.Type: ApplicationFiled: December 20, 2011Publication date: June 28, 2012Applicant: HERAEUS MEDICAL GMBHInventors: Sebastian VOGT, Klaus-Dieter KÜHN
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Publication number: 20120164312Abstract: A method for coating at least regions of a medical implant includes providing a medical implant having a surface to be coated, and immersing the surface of the medical implant into a liquid including at least one pharmaceutically active substance, whereby the liquid is transferred to the surface of the medical implant due to the immersing. The method also includes pulling the surface of the medical implant out of the liquid, whereby part of the liquid remains adhering to the surface of the medical implant.Type: ApplicationFiled: December 21, 2011Publication date: June 28, 2012Applicant: HERAEUS MEDICAL GMBHInventors: Sebastian VOGT, Klaus-Dieter KÜHN
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Patent number: 8092824Abstract: An antibiotic coating of implants is described, which is characterized in that the coating comprises at least one saturated, organic, hydrophobic, low molecular matrix former whose melting point is in the temperature range of 45° C. to 100° C., in which a low molecular, hydrophobic additive is dissolved and that an antibiotic/antibiotics is/are suspended in the mixture of matrix former and additive and/or in which an antibiotic/antibiotics miscible with a mixture of matrix former and additive is/are dissolved.Type: GrantFiled: January 19, 2006Date of Patent: January 10, 2012Assignee: Heraeus Kulzer GmbHInventors: Klaus-Dieter Kühn, Sebastian Vogt, Matthias Schnabelrauch
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Publication number: 20110305850Abstract: The invention describes a novel production process for coated particles composed of granulated-rubber material, the coating, the particles coated therewith and the uses of the coated particles. The coating formulation is solvent-free.Type: ApplicationFiled: December 29, 2009Publication date: December 15, 2011Applicant: EVONIK DEGUSSA GmbHInventors: Andreas Berlineanu, Kirsten Luce, Margit Bukohl, Nicole Dudek, Siegfried Jittenmeier, Marisa Cruz, Rainer Fuchs, Frank Dieter Kuhn
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Patent number: 8075907Abstract: The invention relates to a PMMA revision bone cement having powder and liquid component, in which the powder component contains two or more granular antibiotics whose grain size distribution is equal in that the main screening fraction each of the individual antibiotics is in the same grain size range, in particular in the range of 100-250 ?m or 150-250 ?m.Type: GrantFiled: January 22, 2008Date of Patent: December 13, 2011Assignee: Heraeus Kulzer GmbHInventors: Klaus-Dieter Kühn, Sebastian Vogt, Hubert Büchner
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Publication number: 20110287064Abstract: An implant is provided having an antibiotic coating that is inexpensive and easy to manufacture. The antibiotic coating adheres well and in stable manner to the surface of the implant, can be degraded by the body without forming toxic products, prevents the crystallization of the antibiotics in the coating, and ensures a high immediate locally-effective antibiotic concentration at the implant site. A coating solution useful for making the implant and a method for the manufacture of the implant are also described.Type: ApplicationFiled: May 18, 2011Publication date: November 24, 2011Applicant: HERAEUS MEDICAL GMBHInventors: Sebastian VOGT, Hubert BÜCHNER, Klaus-Dieter KÜHN
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Publication number: 20110272601Abstract: Rapid test to ascertain the effect of irradiation on the abrasion of a granule, in which i.) the abrasion of the granule is determined before the irradiation, ii.) the granule is irradiated, iii.) the abrasion of the irradiated granule is determined, characterized in that, the abrasion is determined by a) grinding the granule in a cutting mill, b) subjecting the ground product to a screening analysis and c) comparing the result of the screening analysis with at least one reference value, in order to classify the abrasion of the granule, the granule is irradiated by arranging a plurality of granule particles in a sample container (2) and irradiating them with an irradiation lamp (3), the granule particles being periodically blended during the irradiation so that different surfaces of the granule particles are irradiated.Type: ApplicationFiled: December 29, 2009Publication date: November 10, 2011Applicant: EVONIK DEGUSSA GmbHInventors: Marisa Cruz, Rainer Fuchs, Frank Dieter Kuhn
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Publication number: 20110260078Abstract: Method for irradiating granules, in the case of which the granules are arranged in a sample container (2) and are irradiated with an irradiation lamp (3), the granules being periodically mixed during the irradiation such that different surfaces of the granules are irradiated. It is preferred to make use for the irradiation of a device which comprises a. at least one irradiation lamp (3), and b. at least one sample container (2) for the granules to be irradiated, the sample container being connected to a drive so that the sample container can be moved during the irradiation and the granules can be mixed.Type: ApplicationFiled: December 29, 2009Publication date: October 27, 2011Applicant: EVONIK DEGUSSA GmbHInventors: Marisa Cruz, Rainer Fuchs, Frank Dieter Kuhn
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Publication number: 20110247392Abstract: Fast test for determining the abrasion of granules, in the case of which i.) granules are milled, ii.) the milled product is subjected to a sieve analysis, and iii.)the results of the sieve analysis are compared with at least one reference value in order to classify the abrasion of the granules, the granules being milled in a cutting mill.Type: ApplicationFiled: December 29, 2009Publication date: October 13, 2011Applicant: Evonik Degussa GmbHInventors: Marisa Cruz, Rainer Fuchs, Frank Dieter Kuhn
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Patent number: 8012173Abstract: A surgical suture material with an antimicrobial surface is described, the surface exhibiting a coating containing a) at least one fatty acid, b) octenidine dichloride and/or dequalinium chloride and c) optionally oligomeric lactic acid esters. In addition, a process for coating surgical suture material is described which is characterized by the fact that the thread material is wetted with a homogeneous methanolic solution of octenidine dichloride and/or dequalinium chloride and subsequently the methanol is evaporated, a coating forming on the thread surface.Type: GrantFiled: September 24, 2010Date of Patent: September 6, 2011Assignee: Heraeus Kulzer GmbHInventors: Sebastian Vogt, Klaus-Dieter Kuhn, Hubert Büchner
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Publication number: 20110112219Abstract: Thermoplastic elastomer mixture which comprises at least one thermoplastic elastomer TPE, with the exception of a thermoplastic polyurethane TPU, and at least one filler from the group of precipitated silica, or precipitated silicate or carbon black. The thermoplastic elastomer mixtures are produced by, in a first step, mixing at least one filler selected from the group of precipitated silica, or precipitated silicate or carbon black, and at least one thermoplastic to give a masterbatch and, in a second step, mixing the masterbatch with at least one thermoplastic elastomer, with the exception of a thermoplastic polyurethane TPU. The thermoplastic elastomer mixture can be used in injection-moulded items.Type: ApplicationFiled: November 8, 2010Publication date: May 12, 2011Applicant: Evonik Degussa GmbHInventors: Uwe SCHACHTELY, Dieter Kuhn, Uwe Kinzlinger, Gerold Schmidt, Guido Scharf, Jörg Röder, Thomas Welker
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Patent number: 7923019Abstract: Antibiotic/s containing bone substitute material is described which is characterized in that it is composed of a compacted mixture of granules of calcium sulfate dihydrate, calcium carbonate and at least one representative of the aminoglycoside antibiotics, lincosamide antibiotics, glycopeptide antibiotics, macrolide antibiotics, ketolide antibiotics, the nitroimidazoles, the fluorochinolone antibiotics and the oxazolidinone antibiotics, the steroid antibiotics, the antiseptic agents and the fungicidal/fungistatic antibiotics which are partly or entirely sheathed with a layer of glycerol tripalmitate and/or glycerol tristearate and/or glycerol trilaurate and/or 1-hexadecyl alcohol which connects the granules with each other.Type: GrantFiled: December 5, 2005Date of Patent: April 12, 2011Assignee: Heraeus Kulzer GmbHInventors: Klaus-Dieter Kühn, Sebastian Vogt
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Publication number: 20110062637Abstract: A local system for the release of active principle is described which consists of approximately spherical or rotation symmetrical bodies which are composed essentially of polymethyl methacrylate or polymethyl methacrylate co-methyl acrylate, zirconium dioxide or barium sulphate and one or more pharmaceutical active principles, in particular antibiotics, and which are produced by radical polymerisation, radical polymerisation activators effective in the temperature range of 10-80° C. or residues of these polymerisation activators from the groups of aromatic amines, heavy metal salts and barbiturates not being contained therein.Type: ApplicationFiled: November 18, 2010Publication date: March 17, 2011Applicant: Heraeus Kulzer GmbHInventors: Klaus-Dieter Kuhn, Sebastian Vogt
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Publication number: 20110054080Abstract: The method describes a novel production method for coated particles made of rubber granules, the coating, the particles thus coated, and the use of the coated particles.Type: ApplicationFiled: February 2, 2009Publication date: March 3, 2011Applicant: EVONIK DEGUSSA GMBHInventors: Andreas Berlineanu, Kirsten Luce, Margit Bukohl, Nicole Dudek, Siegfried Jittenmeier, Marisa Cruz, Rainer Fuchs, Frank Dieter Kuhn
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Publication number: 20110034590Abstract: Thermoplastic elastomer, which comprises a fumed, hydrophilic or hydrophobic silica, which has been structurally modified and also a process for the improvement of the mechanical properties of thermoplastic elastomers. The thermoplastic elastomers are produced by preparing a masterbatch from the components (e.g. thermoplastic resin component and fumed silica) and compounding this with further thermoplastic elastomers.Type: ApplicationFiled: March 24, 2009Publication date: February 10, 2011Applicant: Evonik Degussa GmbHInventors: Dieter Kuhn, Werner Michel, Mario Scholz, Uwe Schachtely, Thomas Welker, Andrea Tietze, Ulrich Boes