Patent application number | Description | Published |
20080200576 | Polymeric Nanocomposite Materials Obtained by Controlled Nucleation Of Dendritic Polymers - The invention provides a process for producing a polymer mixture, which process is characterized in that nanoscale agglomerates of dendritic polymers having a molar mass of between 400 and 100 000 g/mol are formed by lowering the temperature to below the upper critical solution temperature or raising the temperature to above the lower critical solution temperature of the system in a polymer matrix, and the system is converted into the solid aggregate state by polymerization, temperature change, UV curing, pressure lowering, heat treatment or evaporation of volatile components of the system. | 08-21-2008 |
20080207871 | Preparations containing hyperbrached polymers - The present invention relates to preparations comprising at least one low molecular weight substance and at least one hyperbranched polymer, wherein the hyperbranched polymer comprises a hydrophilic core having polyester units and hydrophobic end groups, said hyperbranched polymer having a molecular weight greater than or equal to 6000 g/mol and a hydroxyl number in the range from 0 to 200 mg KOH/g, the degree of branching being in the range from 20 to 70%, and said hyperbranched polymer having a melting point of at least 30° C. | 08-28-2008 |
20080274149 | Encapsulation and Controlled Release of Biologically Active Ingredients with Enzymatically Degradable Microparticulate, Hyperbranched Polymers - The invention provides encapsulated, microparticulate active ingredient formulations for the controlled release of active ingredients on skin and skin appendages consisting of encapsulation material as casing and at least one enclosed biologically active ingredient as core, which is characterized in that enzymatically degradable organic hyperbranched polymers containing ester groups are used as encapsulation material. | 11-06-2008 |
20090011038 | Drug-Delivery Systems - The invention relates to novel particulate drug-delivery systems based on a polymer support containing at least one linear, branched or cross-linked polymer in a fraction of over 50 percent by weight in relation to the total weight of the support. The system is characterised in that at least one signal substance for transport through a biological barrier and at least one active ingredient are stored, the support, signal substance and active ingredient having no covalent links and no active-ingredient specific and signal substance specific coordinative links between one another. | 01-08-2009 |
20090270582 | HYPER-BRANCHED POLYURETHANES METHOD FOR PRODUCTION AND USE THEREOF - A hyperbranched polyurethane which is obtainable by reacting a diisocyante or polyisocyanate with a triol of the formula (1) | 10-29-2009 |
20090309061 | DEICING AGENT AND/OR ANTI-ICING AGENT - The invention relates to a deicing or anti-icing agent containing, based in each case on its total weight, from 35.0% by weight to 95.0% by weight of at least one glycol, from 0.001% by weight to 5.0% by weight of at least one dendritic polymer and from 0.01% by weight to 5.0% by weight of at least one further thickener and optionally water. | 12-17-2009 |
20100029519 | PERFORMANCE ADDITIVES FOR IMPROVING THE WETTING PROPERTIES OF IONIC LIQUIDS ON SOLID SURFACES - Composition containing at least one ionic liquid and at least one performance additive and if appropriate a solvent and/or of further auxiliaries or additives and its use as wetting agent for solid surfaces. | 02-04-2010 |
20100071557 | GAS SEPARATION MEMBRANES - The present invention relates to compositions for producing membranes, the compositions comprising at least 0.1% by weight of highly branched polymer, at least 0.5% by weight of linear polymer and at least 30% by weight of solvent. The present invention additionally describes membranes obtainable from the compositions, and methods of producing these membranes. | 03-25-2010 |
20100095703 | Novel Working Media for Refrigeration Processes - A working medium for refrigeration processes comprising at least one sorbent material and at least one refrigerant, characterized in that the sorbent material contains at least one nonvolatile organic salt which is liquid under standard conditions, or a mixture of organic salts, with the proviso that this is liquid under standard conditions, wherein the salt or the mixture has a thermal stability above 150° C. | 04-22-2010 |
20100136130 | Preparation for the Controlled Release of Bioactive Natural Substances - The present invention relates to a preparation comprising at least one encapsulation material and at least one bioactive natural substance, which bioactive natural substance can be released from the preparation in a controlled manner, wherein the encapsulation material comprises at least one glyceride with a melting point of at least 35° C. and additionally at least one polymer with polyester units, which has a melting temperature of at least 30° C. and a viscosity in the range from 50 mPa*s to 250 Pa*s, measured by means of rotational viscometry at 110° C. The present invention further describes processes for producing the preparation of the invention, as well as preferred uses. | 06-03-2010 |
20100216943 | HYDROPHILICIZED HYPERBRANCHED POLYURETHANES - The invention relates to hydrophilicized hyperbranched polyurethanes, to the preparation thereof and to the use thereof as dispersants, in particular for dispersing solids. | 08-26-2010 |
20100326126 | Absorption Refrigeration Machine - An absorption refrigeration machine with a working medium, containing a nonvolatile sorption medium and a volatile refrigerant, and an absorber in which a vapor phase containing refrigerant and a liquid phase containing sorption medium are separated from one another by a semipermeable membrane which is permeable to the refrigerant and impermeable to the sorption medium. | 12-30-2010 |
20110000236 | Process for the Absorption of a Volatile Substance in a Liquid Absorbent - To absorb a volatile substance from a gas phase in a liquid absorbent, the gas phase is brought into contact with a film of an absorbent which comprises an ionic liquid and a wetting-promoting additive. | 01-06-2011 |
20110065886 | PROCESS FOR PREPARING HYPERBRANCHED, DENDRITIC POLYURETHANES BY MEANS OF REACTIVE EXTRUSION - The present invention relates to a process for preparing hyperbranched, dendritic polyurethanes by means of reactive extrusion. | 03-17-2011 |
20120017762 | CO2 ABSORPTION FROM GAS MIXTURES USING AN AQUEOUS SOLUTION OF 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE | 01-26-2012 |
20120080644 | PROCESS, ABSORPTION MEDIUM, AND APPARATUS FOR ABSORPTION OF CO2 FROM GAS MIXTURES | 04-05-2012 |
20120247144 | OPERATING MEDIUM FOR AN ABSORPTION REFRIGERATION DEVICE - The invention relates to an operating medium for an absorption refrigeration device, comprising 5 to 30 wt % water and 65 to 95 wt % of a sorption agent comprising lithium bromide and at least one ionic liquid and wherein the sorption agent comprises ionic liquid and lithium bromide in a weight ratio of 0.5:1 to 5:1, having a lower friction coefficient compared to an operating medium comprising water and lithium bromide. | 10-04-2012 |
20120308458 | CO2 ABSORPTION FROM GAS MIXTURES USING AN AQUEOUS SOLUTION OF 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE | 12-06-2012 |
20130031930 | ABSORPTION HEAT PUMP WITH SORBENT COMPRISING LITHIUM CHLORIDE AND AN ORGANIC CHLORIDE SALT - An absorption heat pump with a sorbent which comprises lithium chloride and at least one salt Q | 02-07-2013 |
20130031931 | ABSORPTION HEAT PUMP WITH SORBENT COMPRISING A LITHIUM SALT AND AN ORGANIC SALT WITH THE SAME ANION - An absorption heat pump with a sorbent comprising a lithium salt and at least one organic salt with an organic cation Q | 02-07-2013 |
20130118350 | Method and Device for Separating Acid Gases from a Gas Mixture - The invention is directed to a method for separating acid gases from a gas mixture in which the gas mixture is contacted with an absorption medium which comprises water and at least one amine and has a phase-separation temperature in the range from 0 to 130° C. In addition, the invention is directed to a device which can be used for carrying out this method. | 05-16-2013 |
20130219949 | WORKING MEDIUM FOR ABSORPTION HEAT PUMPS - A working medium comprising at least one refrigerant, at least one monohydric aliphatic alcohol having from 6 to 10 carbon atoms and at least one ionic liquid composed of at least one organic cation and at least one anion shows an improved efficiency COP in an absorption heat pump compared to working media which do not contain an alcohol having from 6 to 10 carbon atoms. | 08-29-2013 |
20130247758 | AMINE-CONTAINING ABSORPTION MEDIUM, PROCESS AND APPARATUS FOR ABSORPTION OF ACIDIC GASES FROM GAS MIXTURES | 09-26-2013 |
20130263743 | CO2 ABSORPTION FROM GAS MIXTURES USING AN AQUEOUS SOLUTION OF 4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE | 10-10-2013 |
20130273163 | DRUG-DELIVERY SYSTEMS - The invention relates to novel particulate drug-delivery systems based on a polymer support containing at least one linear, branched or cross-linked polymer in a fraction of over 50 percent by weight in relation to the total weight of the support. The system is characterised in that at least one signal substance for transport through a biological barrier and at least one active ingredient are stored, the support, signal substance and active ingredient having no covalent links and no active-ingredient specific and signal substance specific coordinative links between one another. | 10-17-2013 |
20140090558 | ABSORPTION MEDIUM AND METHOD FOR ABSORPTION OF AN ACID GAS FROM A GAS MIXTURE - An absorption medium which comprises water, an amine (A) of formula (I) | 04-03-2014 |
20140105801 | METHOD FOR ABSORPTION OF CO2 FROM A GAS MIXTURE - A method of absorbing CO | 04-17-2014 |
20140120016 | METHOD FOR ABSORPTION OF CO2 FROM A GAS MIXTURE - A method of absorbing CO | 05-01-2014 |