Patent application number | Description | Published |
20100022706 | POLYURETHANES FILLED WITH CARBON BLACK AND WITH A HIGH DIELECTRIC CONSTANT BREAKDOWN STRENGTH - The invention provides polyurethanes filled with carbon black, which are characterised by a high dielectric constant and high breakdown strength, and which are synthesised from polyalkylene oxides that have been produced by DMC catalysis. The compositions comprise polyether polyurethanes which are the reaction products of one or more polyisocyanates and one or more polyol components, the polyol components being comprised of a) polyalkylene oxides produced by DMC catalysis, and b) 0-50 wt. % of polyols free from catalyst residues, and B) 0.1-30 wt. % of carbon black. | 01-28-2010 |
20100034861 | DISPERSIONS OF NANOUREAS COMPRISING BIOLOGICALLY ACTIVE COMPOUNDS - The present invention relates to dispersions of nanoureas comprising biologically active compounds, a process for their preparation, and their use. | 02-11-2010 |
20110003898 | MEDICAL GLUES FOR SURGERY COMPRISING BIOACTIVE COMPOUNDS - The present invention relates to novel, rapidly curing adhesives based on hydrophilic polyisocyanate prepolymers for use in surgery, which contain pharmacologically active ingredients. The adhesive system contains
| 01-06-2011 |
20110123479 | MEDICAL ADHESIVES FOR STOPPING HEAVY BLEEDING AND SEALING LEAKAGES - The present invention relates to a method that includes providing a formulation having an isocyanate-functional prepolymer and a curing component comprising an amino-functional aspartic ester of the general formula (I) | 05-26-2011 |
20110184080 | HYDROPHILIC, ALIPHATIC POLYURETHANE FOAMS - The present invention relates to a process for preparing a hydrophilic aliphatic polyurethane foam which includes providing, curing, and foaming a composition comprising: an isocyanate-functional prepolymer having a weight fraction of low molecular weight aliphatic diisocyanates of below 1.0% by weight based on the prepolymer, obtained by reaction of a low molecular weight aliphatic diisocyanate having a molar mass of 140 to 278 g/mol with a di- to hexafunctional polyalkylene oxide having an OH number of 22.5 to 112 mg KOH/g and an ethylene oxide content of 50 to 100 mol %; optionally a heterocyclic 4-ring or 6-ring oligomer of low molecular weight aliphatic diisocyanates having a molar mass of 140 to 278 g/mol; water; optionally a catalyst; a C | 07-28-2011 |
20110245351 | MEDICAL ADHESIVE FOR SURGERY - The invention relates to novel rapidly-curing adhesives made from hydrophilic polyisocyanate prepolymers for application in surgery. | 10-06-2011 |
20110298335 | ELECTROMECHANICAL TRANSDUCER HAVING A POLYISOCYANATE-BASED POLYMER ELEMENT - The present invention relates to an electromechanical transducer, in particular an electromechanical sensor, actuator and/or generator, which exhibits a polymer element that is obtainable from a reaction mixture comprising a polyisocyanate or a polyisocyanate prepolymer or a mixture thereof and a compound with at least two isocyanate-reactive amino groups. Moreover, the present invention relates to a process for producing an electromechanical transducer of such a type and also to the use of a polymer element of such a type as an electromechanical element. Furthermore, the present invention relates to an electronic and/or electrical apparatus that includes an electromechanical transducer according to the invention, and also to the use of an electromechanical transducer according to the invention in an electronic and/or electrical apparatus. | 12-08-2011 |
20130066112 | MULTI-AMINE FUNCTIONAL OLIGOMERS AND METHOD FOR PRODUCING THE SAME BY THE REDUCTION OF CORRESPONDING OXIMES - The invention relates to multi-amine functional oligomers and multi-oxime functional oligomers in addition to a method for producing the same by means of the co-polymerisation of carbonyl carriers such as olefins or dienes, reaction with hydroxylamine and a subsequent selective catalytic hydrogenation. | 03-14-2013 |
20130072602 | PROCESS FOR THE PREPARATION OF POLYETHER CARBONATE POLYOLS - The present invention relates to a process for the preparation of polyether carbonate polyols by catalytic copolymerization of carbon dioxide (CO | 03-21-2013 |