Patent application number | Description | Published |
20090148395 | BIOMEDICAL FOAM ARTICLES - The present invention relates to biomedical foam articles for the wound sector which are formed by spraying a polymeric dispersion onto a wound. The polymeric dispersion being sprayed onto a wound surface forms a three-dimensional body which conforms to the spatial shape of the wound and which, as well as covering the wound surface, ensures a complete and accurately fitted packing of the wound in the depth dimension as well as the other dimensions. The biomedical foam articles of the present invention are particularly useful for treating chronic wounds. | 06-11-2009 |
20090169486 | BIOMEDICAL FOAM ARTICLES - The present invention relates to biomedical foam articles for the wound sector which are formed by spraying a polymeric dispersion onto a wound. The polymeric dispersion being sprayed onto a wound surface forms a three-dimensional body which conforms to the spatial shape of the wound and which, as well as covering the wound surface, ensures a complete and accurately fitted packing of the wound in the depth dimension as well as the other dimensions. The biomedical foam articles of the present invention are particularly useful for treating chronic wounds. | 07-02-2009 |
20090170705 | PHYLLOSILICATE FORMULATIONS FOR THE CONTROLLED RELEASE OF ACTIVE SUBSTANCES - Novel seed dressing agent formulations comprising of—at least one active agrochemical ingredient for the dressing of seeds, —a dispersion of biologically degradable polyester-polyurethane-polyureas in water whereby the solid content thereof is between 30 and 50 weight %. Said formulation also comprises additives. The invention also relates to a method for the production of a novel seed dressing agent formulation and the utilization thereof for the dressing of seeds. | 07-02-2009 |
20090263431 | POLYURETHANE FOAMS FOR WOUND MANAGEMENT - The invention relates to a process for producing polyurethane foams for wound management wherein a composition containing a polyurethane dispersion and specific coagulants is frothed and dried. | 10-22-2009 |
20090269411 | MASKING THE TASTE OF POWDERS - Taste-masked powders that can be inhaled or administered orally, a simple method for the production thereof, and the use thereof for applying biologically active substances. | 10-29-2009 |
20110009268 | IPBC-CONTAINING COACERVATES - The novel process for coacervating iodopropargyl compounds affords stable aqueous dispersions of coacervated iodopropargyl compounds which, optionally in a mixture with further active biocidal ingredients, can be used very effectively to protect technical materials. | 01-13-2011 |
20110223322 | PRODUCTION OF CONDUCTIVE SURFACE COATINGS USING A DISPERSION CONTAINING ELECTROSTATICALLY STABILISED SILVER NANOPARTICLES - The present invention relates to a process which comprises: providing a substrate having a surface; applying a dispersion to the surface, wherein the dispersion comprises at least one liquid dispersant, and electrostatically stabilised silver nanoparticles having a zeta potential of from −20 to −55 mV in the dispersant at a pH value of from 2 to 10; and heating one or both of the surface and the dispersion applied thereon to a temperature of from 50° C. below the boiling point of the dispersant to 150° C. above the boiling point of the dispersant, to form a conductive coating on the surface. | 09-15-2011 |
20110256383 | POLYMER MATERIAL COMPRISING A POLYMER AND SILVER NANOPARTICLES DISPERSED HEREIN - A polymer material according to the invention comprises a polymer and silver nanoparticles dispersed in the polymer. The silver nanoparticles may be obtained by reducing a silver salt in a dispersing agent in the presence of a dispersion stabilizer with a reducing agent, the dispersion stabilizer being selected from the group consisting of carboxylic acids having ≧1 to ≦6 carbon atoms, salts of carboxylic acids having ≧1 to ≦6 carbon atoms, sulfates and phosphates. Such a material is particularly suitable for use as an electrode. The invention furthermore relates to a method for producing such a polymer material and to a polymer laminar composite including a polymer substrate and a polymer material according to the invention | 10-20-2011 |
20130200310 | PRODUCTION OF DISPERSIONS CONTAINING CARBON NANOTUBES - Process for the preparation of stable suspensions and dispersions of carbon nanotubes, and dispersions prepared by the process. | 08-08-2013 |
20130337158 | PICKERING EMULSION FOR PRODUCING ELECTRICALLY CONDUCTIVE COATINGS AND PROCESS FOR PRODUCING A PICKERING EMULSION - The present invention relates to a process for producing a Pickering emulsion comprising water, a solvent not miscible with water, and also, preferably sterically, stabilized silver nanoparticles, for producing conductive coatings. The invention further relates to a process for coating all or part of the area of surfaces, in particular with a Pickering emulsion according to the invention, where the resultant coating in particular has high electrical conductivity and advantageously can also be transparent. | 12-19-2013 |
20140299821 | METHOD FOR PRODUCING A METAL NANOPARTICLE DISPERSION, METAL NANOPARTICLE DISPERSION, AND USE OF SAID METAL NANOPARTICLE DISPERSION - The invention relates to a method for producing a metal nanoparticle dispersion, in particular a silver nanoparticle dispersion, wherein after the production of nanoscale metal particles, stabilized by means of at least one auxiliary dispersing agent containing at least one free carboxylic acid group or salt thereof as a functional group, in at least one liquid dispersant (solvent), flocculation of the metal nanoparticles is deliberately caused, the formed metal nanoparticle flocculation is dispersed again in at least one liquid dispersant, optionally by adding a base, and the metal nanoparticle dispersion is set to a desired metal nanoparticle concentration. The invention further relates to a metal nanoparticle dispersion, in particular a silver nanoparticle dispersion, in particular produced by means of the method according to the invention, and to the use of said metal nanoparticle dispersion. | 10-09-2014 |
20140319431 | ELECTRICALLY CONDUCTIVE PRINTABLE COMPOSITION - An electrically conductive printable composition comprises silver particles, a dispersing agent, a solvent, a first surfactant, comprising a hydrocarbon based surfactant, and a second surfactant, comprising a fluoro-based surfactant. | 10-30-2014 |
20140329054 | AQUEOUS INK FORMULATION CONTAINING METAL-BASED NANOPARTICLES FOR USAGE IN MICRO CONTACT PRINTING - The present invention relates to an aqueous formulation particularly for generating electrically conductive and/or reflective structures by microcontact printing, characterized in that the formulation contains at least a) ≧15 to ≦55 parts by weight water, b) ≧10 to ≦50 parts by weight alcohol, c) ≧15 to ≦45 parts by weight metal-based nanoparticles, d) 0.5 to ≦10 parts by weight non-fluorinated surfactant, and e) ≧0.5 to ≦10 parts by weight fluorinated surfactant, wherein the above defined constituents a) to e) summarize to a concentration of ≦100 parts by weight in the formulation. The wetting behavior especially of hydrophobic materials may significantly be improved. The present invention further relates to a method of generating structures, particularly being electrically conductive and/or reflective, on a substrate by microcontact printing and a substrate comprising such a structure. | 11-06-2014 |
20150037550 | SILVER-CONTAINING AQUEOUS INK FORMULATION FOR PRODUCING ELECTRICALLY CONDUCTIVE STRUCTURES, AND INK JET PRINTING METHOD FOR PRODUCING SUCH ELECTRICALLY CONDUCTIVE STRUCTURES - The present invention relates to a silver-containing aqueous ink formulation for production of electrically conductive structures, wherein the formulation is provided in the form of a two-component system composed of a vehicle component A at least comprising an organic solvent, additives and water, and a silver nanoparticle sol as component B, at least comprising a liquid dispersant, stabilized silver nanoparticles and an electrostatic dispersion stabilizer, and the formulation composed of components A and B comprises at least
| 02-05-2015 |