Patent application number | Description | Published |
20110075511 | METHOD FOR CONSTRUCTING CO-ROTATING, CONTIGUOUS BODIES AND COMPUTER PROGRAM PRODUCT FOR CARRYING OUT SAID METHOD - The invention relates to a method of constructing elements which wipe each other during corotation about two parallel axes in such a manner that they constantly touch each other at at least one point. | 03-31-2011 |
20110096617 | Screw Elements for Extruding Plastic Compositions - The invention relates to novel screw elements for multi-screw extruders with screw profiles co-rotating in pairs and being fully self-wiping in pairs, to the use of the screw elements in multi-screw extruders and to a process for extruding plastic compositions. | 04-28-2011 |
20110110183 | Method for Constructing Co-Rotating Contiguous Bodies and Computer Program Product for Carrying Out Said Method and Screw Elements Produced Accordingly - The present invention relates to a method of generating tightly intermeshing, self-cleaning, co-rotating screw profiles, the use of the screw profiles in screw and transition elements, novel screw profiles which have been generated by the method and a computer program product for executing the method in a computer system. | 05-12-2011 |
20110256195 | INSECTICIDE-CONTAINING POLYMERIC MATERIAL - The present invention relates to an insecticide-containing polymeric material containing at least one embedded insecticidally active ingredient in the polymeric matrix and having excellent biological activity, and also to the products produced from this polymer and to their use for protecting humans, animals and plants against arthropods, particularly for controlling insects. | 10-20-2011 |
20110256198 | INSECTICIDE-CONTAINING NETLIKE FABRIC - The present invention relates to an insecticide-containing fabric containing at least one embedded insecticidally active ingredient in the polymeric matrix and having excellent wash resistance, and also to the products produced from this fabric and to their use for protecting humans, animals and plants against arthropods, particularly for controlling insects. | 10-20-2011 |
20130033956 | SCREW FEED ELEMENTS FOR EXTRUDING VISCOELASTIC MASSES - The invention relates to novel screw feed elements for multi-shaft screw feed machines having screw feed profiles rotating in the same direction in pairs and precisely abrading in pairs, to the use of the screw elements in multi-shaft screw feeding machines and to a method for extrusion of viscoelastic masses. | 02-07-2013 |
20130140725 | NOZZLE PLATE - The present invention provides a nozzle plate and the use of the nozzle plate for producing filaments, preferably silica gel fibers. | 06-06-2013 |
20140039142 | EXTRUDER WITH INTEGRATED DIE PLATE AND METHOD FOR DEGASING POLYMER MIXTURES - The invention is directed to an extruder ( | 02-06-2014 |
20140296297 | Materials Having Embedded Insecticides and Additives - The present invention concerns polymeric material containing at least an embedded insecticidally active ingredient and an additive, which are released at room temperature. It similarly concerns materials produced from this polymer, for example in the form of self-supporting film/sheet, threads, wovens, fabrics, textiles, nets, curtains and pellets. The invention further concerns processes for producing such polymeric material and also the use of the self-supporting film/sheet, threads, wovens, fabrics, textiles and nets and curtains produced from the material for protecting humans, animals and plants and buildings, machines and packaging against arthropods, particularly for controlling insects. | 10-02-2014 |
Patent application number | Description | Published |
20110075511 | METHOD FOR CONSTRUCTING CO-ROTATING, CONTIGUOUS BODIES AND COMPUTER PROGRAM PRODUCT FOR CARRYING OUT SAID METHOD - The invention relates to a method of constructing elements which wipe each other during corotation about two parallel axes in such a manner that they constantly touch each other at at least one point. | 03-31-2011 |
20110096617 | Screw Elements for Extruding Plastic Compositions - The invention relates to novel screw elements for multi-screw extruders with screw profiles co-rotating in pairs and being fully self-wiping in pairs, to the use of the screw elements in multi-screw extruders and to a process for extruding plastic compositions. | 04-28-2011 |
20110110183 | Method for Constructing Co-Rotating Contiguous Bodies and Computer Program Product for Carrying Out Said Method and Screw Elements Produced Accordingly - The present invention relates to a method of generating tightly intermeshing, self-cleaning, co-rotating screw profiles, the use of the screw profiles in screw and transition elements, novel screw profiles which have been generated by the method and a computer program product for executing the method in a computer system. | 05-12-2011 |
20110130430 | Materials Having Embedded Insecticides And Additives - The present invention concerns polymeric material containing at least an embedded insecticidally active ingredient and an additive, which are released at room temperature. It similarly concerns materials produced from this polymer, for example in the form of self-supporting film/sheet, threads, wovens, fabrics, textiles, nets, curtains and pellets. The invention further concerns processes for producing such polymeric material and also the use of the self-supporting film/sheet, threads, wovens, fabrics, textiles and nets and curtains produced from the material for protecting humans, animals and plants and buildings, machines and packaging against arthropods, particularly for controlling insects. | 06-02-2011 |
20110141843 | SCREW ELEMENTS WITH REDUCED SWEEP ANGLE - The present invention relates to screw elements for multiscrew extruders with pairs of co-rotating and fully wiping screws, to the use of these screw elements in multiscrew extruders and to a method of generating screw elements according to the invention. | 06-16-2011 |
20110158039 | Screw Elements with Improved Dispersing Action and Low Energy Input - The present invention relates to new screw elements for multi-screw extruders with pairs of co-rotating and fully wiping screws. | 06-30-2011 |
20110160381 | METHOD FOR EXTRUDING PLASTIC MASSES - The invention relates to a process for extruding plastic compositions. The process in particular relates to the conveying, kneading and/or mixing of plastic compositions, in particular of polymer melts and mixtures of polymer melts, above all thermoplastics and elastomers, particularly preferably polycarbonate and polycarbonate blends, also with the incorporation of other substances such as for example solids, liquids, gases or other polymers or other polymer blends. | 06-30-2011 |
20110180949 | Screw Elements With Reduced Energy Input During the Build-Up of Pressure - The present invention relates to screw elements with novel, tightly intermeshing, self-cleaning, co-rotating screw profiles for multishaft screw machines with pairs of co-rotating and fully abrading screw shafts, to the use of these screw elements in multishaft screw machines and to a method of generating these screw elements. | 07-28-2011 |
20110184089 | METHOD FOR THE EXTRUSION OF PLASTIC MATERIALS - The invention relates to a process for extruding plastic compositions, in particular polymer melts and mixtures of polymer melts, above all thermoplastics and elastomers, particularly preferably polycarbonate and polycarbonate blends, also with the incorporation of other substances such as for example solids, liquids, gases or other polymers or other polymer blends with improved optical characteristics, with the assistance of a multi-screw extruder with specific screw geometries. | 07-28-2011 |
20110184144 | PROCESS AND APPARATUS FOR THE PREPARATION OF POLYCARBONATE - The invention relates to a process for the pretreatment of material surfaces in order to minimize the interaction between polycarbonate and metal and, in the processing and synthesis of polycarbonate, to obtain a high-quality polymer which in particular does not become discoloured and is free of insoluble constituents. | 07-28-2011 |
20110204296 | METHOD FOR PRODUCING COMPOSITE MATERIALS HAVING REDUCED RESISTANCE AND COMPRISING CARBON NANOTUBES - The present invention relates to a process for producing a composite having a reduced electrical resistance which comprises providing a mixture comprising a fluid material and carbon nanotubes (CNTs) having a predeterminable size distribution, and subjecting the mixture to a minimum stress in a dispersing machine, wherein the minimum stress is determined empirically as a function of the predetermined size distribution. | 08-25-2011 |
20110315935 | METHOD FOR DISPERSING NANOPARTICLES IN FLUID MEDIA - Process for dispersing nanoparticles, such as carbon nanotubes, in a medium-viscosity fluid by passing the fluid and nanoparticles through one or more multiscrew extruders having one or more kneading zones | 12-29-2011 |
20120071324 | Biocidal substances - The present invention relates to biocidal and more particularly algicidal substances comprising one or more polymers which in turn comprise one or more biocides such as more particularly algicides, where at least one polymer has structural elements which derive from acrylonitrile. The invention further relates to biocidal compositions comprising aforesaid biocidal substances in particulate form, to a process for preparing the biocidal substances and the biocidal compositions and to the use of the biocidal compositions for protecting technical materials. | 03-22-2012 |
20120108782 | DEVICE AND METHOD FOR DEGASSING SOLVENT-CONTAINING POLYCARBONATE SOLUTIONS - The invention relates to an apparatus and a process for devolatilizing solvent-containing polycarbonate solutions. By employing the inventive apparatus, polycarbonates with low residual values of volatile constituents are produced from solvent-containing polymer melts, which improved optical properties, especially yellowness index, with the aid of an apparatus combination of a heatable tubular devolatilizer and a vented extruder. | 05-03-2012 |
20120123084 | DEVICE AND METHOD FOR DEGASSING SOLVENT-CONTAINING POLYCARBONATE SOLUTIONS - The invention relates to an apparatus and a process for devolatilizing solvent-containing polycarbonate solutions. By employing the inventive apparatus, polycarbonates with low residual values of volatile constituents are produced from solvent-containing polymer melts, which improved optical properties, especially yellowness index, with the aid of an apparatus combination of a flash devolatilizer and a vented extruder. | 05-17-2012 |
20120157653 | ULTRA-HIGH PURITY POLYCARBONATES HAVING GOOD INHERENT COLOR AND THERMAL RESISTANCE AND A DEVICE AND A METHOD FOR PRODUCING THE SAME - The invention relates to polycarbonates with extremely low residual levels of volatile constituents and thermal degradation products, and also improved optical properties, especially Yellowness Index (YI) and good thermal stability, from solvent-containing polymer melts. The invention further relates to an apparatus and a process for preparing these polycarbonates with the aid of a devolatilizing extruder with at least three devolatilizing zones, and zones for introducing entraining agent into dispersion are present upstream of at least three devolatilizing zones. | 06-21-2012 |
20120214931 | METHOD FOR INCORPORATING SOLIDS INTO POLYMERS - The invention relates to a method for incorporating solids into polymers by means of a tightly meshing twin-screw or multi-screw compounder for producing a polymer composite material. The method according to the invention is especially used to incorporate solids, such as carbon nanotubes, that significantly increase the viscosity in the polymer melt. | 08-23-2012 |
20120281001 | METHOD FOR CONSTRUCTING BODIES THAT ROTATE IN THE SAME DIRECTION AND ARE IN CONTACT WITH ONE ANOTHER AND COMPUTER SYSTEM FOR CARRYING OUT SAID METHOD - The invention relates to a method for constructing bodies which, while rotating codirectionally about axes arranged in parallel, constantly touch one another at at least one point. | 11-08-2012 |
20130033956 | SCREW FEED ELEMENTS FOR EXTRUDING VISCOELASTIC MASSES - The invention relates to novel screw feed elements for multi-shaft screw feed machines having screw feed profiles rotating in the same direction in pairs and precisely abrading in pairs, to the use of the screw elements in multi-shaft screw feeding machines and to a method for extrusion of viscoelastic masses. | 02-07-2013 |
20130140725 | NOZZLE PLATE - The present invention provides a nozzle plate and the use of the nozzle plate for producing filaments, preferably silica gel fibers. | 06-06-2013 |