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| 20110081192 | Cone to Boom Interconnection - A cone to boom interconnection, the cone provided with an annular mating groove of the cone dimensioned to receive a distal end of the boom. At least one retention groove and at least one gasket groove provided in the sidewall(s) of the mating groove. Alternatively, the gasket groove may be provided in a distal end of the boom. A gasket seated in the at least one gasket groove, sealing between the sidewall of the mating groove and the boom. A glue between the boom and the annular mating groove. The glue adhered to the boom as an annular retention lip within the at least one retention groove, whereby the cone is mechanically retained upon the boom. | 04-07-2011 |
| 20120007792 | Monolithic Microwave Antenna Feed and Method of Manufacture - A microwave antenna feed arrangement provided with a unitary body with a feed bore between a launch end and a back end of the body. A plurality of coaxial annular grooves are located on the launch end of the body. An OMT bore in the body extends from a side of the body to the feed bore. The body may be further configured with an end cap to close the back end of the feed bore or a feed elbow for dual polarization operation. The body may be manufactured for example, by machining or metal injection molding. | 01-12-2012 |
| 20130057444 | CONTROLLED ILLUMINATION DIELECTRIC CONE RADIATOR FOR REFLECTOR ANTENNA - A dielectric cone radiator sub-reflector assembly for a reflector antenna with a waveguide supported sub-reflector is provided as a unitary dielectric block with a sub-reflector at a distal end. A waveguide transition portion of the dielectric block is dimensioned for coupling to an end of the waveguide. A dielectric radiator portion is provided between the waveguide transition portion and a sub-reflector support portion. An outer diameter of the dielectric radiator portion is provided with a plurality of radial inward grooves and a minimum diameter of the dielectric radiator portion is greater than ⅗ of a sub-reflector diameter of the sub-reflector support surface. | 03-07-2013 |
| 20130057445 | LOW SIDELOBE REFLECTOR ANTENNA - A front feed reflector antenna with a dish reflector has a reflector focal length to reflector diameter ratio of less than 0.25. A wave guide is coupled to a proximal end of the dish reflector, projecting into the dish reflector along a longitudinal axis. A dielectric block is coupled to a distal end of the waveguide and a sub-reflector is coupled to a distal end of the dielectric block. A shield is coupled to the periphery of the dish reflector. The sub-reflector diameter is dimensioned to be 2.5 wavelengths or more of a desired operating frequency. | 03-07-2013 |
| 20130271348 | DIELECTRIC LENS CONE RADIATOR SUB-REFLECTOR ASSEMBLY - A dielectric cone radiator sub-reflector assembly for a reflector antenna with a waveguide supported sub-reflector is provided as a unitary dielectric block with a sub-reflector at a distal end. A waveguide transition portion of the dielectric block is dimensioned for insertion coupling into an end of the waveguide. A dielectric radiator portion is provided between the waveguide transition portion and a sub-reflector support portion. An outer diameter of the dielectric radiator portion is provided with a plurality of radially inward grooves extending radially inward to a diameter less than an inner diameter of the end of the waveguide and a lens bore extends from a proximal end of the dielectric block towards the distal end of the dielectric block at least to the sub-reflector support portion. The unitary dielectric block may be manufactured as a single contiguous monolithic portion of dielectric material via injection molding. | 10-17-2013 |
| 20130300621 | LOW SIDELOBE REFLECTOR ANTENNA WITH SHIELD - A front feed reflector antenna with a dish reflector has a wave guide is coupled to a proximal end of the dish reflector, projecting into the dish reflector along a longitudinal axis. A dielectric block may be coupled to a distal end of the waveguide and a sub-reflector coupled to a distal end of the dielectric block. A shield is coupled to the periphery of the dish reflector. A subtended angle between the longitudinal axis and a line between the focal point and a distal periphery of the shield is | 11-14-2013 |
| 20150042527 | Sub-Reflector Assembly With Extended Dielectric Radiator - In one embodiment, a sub-reflector assembly for a reflector antenna has (i) a waveguide transition at a waveguide end of the sub-reflector assembly and configured to fit within a waveguide, (ii) a dielectric radiator connected to the waveguide transition and extending both laterally and back towards the waveguide end of the sub-reflector assembly, and (iii) a sub-reflector connected to the dielectric radiator. By configuring the dielectric radiator to extend both laterally and back towards the dielectric end of the assembly, radiated energy from the waveguide is directed such that the sub-reflector assembly can be used with shallow reflector dishes (e.g., F/D ratio greater than 0.25) and still achieve sufficiently high directivity. | 02-12-2015 |
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| 20110190441 | NITRILE RUBBERS - Through the use of an improved iron-based redox system it is possible to prepare special new, optionally hydrogenated, nitrile rubbers which feature a more uniform monomer distribution and a lower fraction of long-chain branches and hence are distinguished by enhanced flow properties at the same time as very good properties on processing. | 08-04-2011 |
| 20120283351 | NITRILE RUBBERS AND PRODUCTION THEREOF IN ORGANIC SOLVENTS - A new process is provided for preparing nitrile rubbers by free-radical polymerization in an organic solvent and in the presence of specific modifier substances. This polymerization may be followed by hydrogenation to give likewise new hydrogenated nitrile rubbers, the hydrogenation advantageously taking place likewise in organic solvent. The optionally hydrogenated nitrile rubbers obtained are notable for having fragments of the employed modifier substances in the main polymer chain and/or as end groups. They can he prepared with a wide diversity of molecular weights and polydispersity indices, especially with very low polydispersity indices. | 11-08-2012 |
| 20130237667 | CROSS-LINKING AGENTS CONTAINING ISOCYANATE GROUPS FOR NITRILE RUBBERS - By the use of special cross-linkers that contain at least two isocyanate groups, hydroxyl group-containing optionally hydrogenated nitrile rubber polymers can be successfully cross-linked. Preferred cross-linkers contain allophanate, biuret, uretdione, uretonimine, bridged carbamate, carbodiimide, isocyanurate, iminooxadiazinedione or oxadiazinetrione structural elements. | 09-12-2013 |
| 20140114025 | VULCANIZABLE COMPOSITIONS BASED ON NITRILE RUBBERS CONTAINING EPOXY GROUPS - There are provided novel vulcanizable compositions based on optionally fully or partly hydrogenated nitrile rubbers containing epoxy groups, and specific crosslinkers, which no longer require use of conventional crosslinkers, more particularly sulphur. The vulcanizates producible therefrom possess very good compression sets at room temperature, 100° C. and 150° C., and additionally exhibit high tensile strength combined with good elongation at break. | 04-24-2014 |
| 20140114026 | COMPOSITIONS THAT CAN BE VULCANIZED AND THAT ARE BASED ON NITRILE RUBBERS CONTAINING EPOXY GROUPS - There are provided novel vulcanizable compositions based on optionally fully or partly hydrogenated nitrile rubbers containing epoxy groups, and specific crosslinkers, which no longer require use of conventional crosslinkers, more particularly sulphur. The vulcanizates producible therefrom possess very good compression sets at room temperature, 100° C. and 150° C., and additionally exhibit high tensile stress combined with good elongation at break. | 04-24-2014 |
| 20140235744 | PROCESS FOR PRODUCING NITRILE RUBBERS IN ORGANIC SOLVENTS - A novel and improved process is provided for producing nitrile rubbers through free-radical polymerization in specific solvent mixtures. The resultant nitrile rubbers can then be subjected to hydrogenation. The process features excellent time-conversion curves. | 08-21-2014 |
| 20140256886 | VULCANISABLE COMPOSITIONS BASED ON EPOXY GROUP-CONTAINING NITRILE RUBBERS - There are provided novel vulcanizable compositions based on optionally fully or partly hydrogenated nitrile rubbers containing epoxy groups, specific acidic crosslinkers and crosslinking accelerators, as a result of which the use of conventional crosslinkers, such as sulphur in particular, is no longer required. The vulcanizates producible therefrom possess very good compression sets at room temperature, 100° C. and 150° C., and additionally exhibit high tensile strength combined with good elongation at break. | 09-11-2014 |
| 20140329982 | METHOD FOR PRODUCING PURIFIED NITRILE RUBBERS - A new process is provided for producing a purified nitrile rubber by subjecting the nitrile rubber, which contains specific impurities, to a defined ultrafiltration. Success is thereby achieved in substantially reducing the amount of the specific impurities in the nitrile rubber. | 11-06-2014 |
| 20140357801 | Nitrile rubbers coupled via bisdihydropyrazole groups, production thereof and use thereof - A nitrile rubber coupled via bisdihydropyrazole groups is produced by reacting a nitrile rubber which is based on conjugated dienes, α,β-unsaturated nitriles and optionally further copolymerizable monomers as monomers, may have been hydrogenated and has covalently bonded tetrazole groups with a bifunctional ene compound in which the ene groups can each be reacted with the tetrazole groups to give dihydropyrazole groups. | 12-04-2014 |
| 20140378618 | VULCANISABLE COMPOSITIONS BASED ON EPOXY GROUP-CONTAINING NITRILE RUBBERS - There are provided novel vulcanizable compositions based on optionally fully or partly hydrogenated nitrile rubbers containing epoxy groups, specific basic crosslinkers and crosslinking accelerators, as a result of which the use of conventional crosslinkers, such as sulphur in particular, is no longer required. The vulcanizates producible therefrom possess very good compression sets at room temperature, 100° C. and 150° C., and additionally exhibit high tensile stress combined with good elongation at break. | 12-25-2014 |
| 20150105515 | NITRILE RUBBERS HAVING LOW EMISSION VALUES - An improved polymerization process using a specific molecular weight regulator makes it possible to produce new nitrile rubbers featuring particularly low emission values and giving vulcanizates which have an advantageous profile of properties and which are of outstanding quality, in particular in odour-sensitive applications. | 04-16-2015 |
| 20150203675 | COMPOSITIONS THAT CAN BE VULCANIZED AND THAT ARE BASED ON ETHYLENE/VINYL ACETATE COPOLYMERS CONTAINING EPOXY GROUPS - The invention relates to vulcanizable compositions comprising
| 07-23-2015 |
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| 20080241258 | TREATMENT OF DISEASES WITH NANOPARTICLES HAVING A SIZE-DEPENDENT CYTOTOXICITY - The present invention relates to the use of at least one gold nanocluster compound in the manufacture of a pharmaceutical composition or medicament for the prophylactic and/or therapeutic (curative) treatment of a disease, especially a tumor and/or cancer disease. The gold nanocluster compound having a defined particle size, especially a defined size of the core of said gold nanocluster compound, the size ranging from 0.5 nm to 10 nm, the outer limits of this range being included. Especially, the gold nanocluster compounds used possess size-dependent cytotoxic properties, stimulating or inducing cellular death when treating and/or contacting respective cells, especially tumor and/or cancer cells, with the gold nanocluster compounds either via apoptosis or via necrosis, depending on the respective gold cluster size or core size. | 10-02-2008 |
| 20110300532 | CONTROL OF THE TOXICITY OF GOLD NANOPARTICLES - The present invention relates to gold nanocluster compounds, especially gold nanoparticles, having a reduced toxicity, especially cytotoxicity, which are preferably appropriate for use in medical diagnostics such as medical imaging (e.g. X-ray, CT etc.), said gold nanocluster compounds comprising a core of at least one gold atom and at least one ligand bound to said core, wherein the reduction of toxicity, especially cytotoxicity, of said gold nanocluster compound is controlled and/or adjusted via its ligand structure and/or its ligand chemistry. | 12-08-2011 |
