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 |
20090148501 | PROCESS FOR THE PREPARATION OF AROMATIZED CHEWING FOAMS FOR COSMETIC PRODUCTS - The invention relates to a process for the preparation of novel aromatized chewing foams for the oral care sector based on polyurethane-polyureas and aromatizing compositions | 06-11-2009 |
20090191145 | ADHESIVE SYSTEMS CONTAINING POLYISOCYANATE PREPOLYMERS AND ASPARTATE-ESTER CURING AGENTS, PROCESSES FOR PREPARING THE SAME, MEDICAL USES THEREFOR AND DISPENSING SYSTEMS FOR THE SAME - Adhesive systems comprising: (A) an isocyanate group-containing prepolymer prepared by reacting: (A1) an aliphatic isocyante; and (A2) a polyol having a number average molecular weight of ≧400 g/mol and 2 to 6 OH groups; and (B) a curing component comprising: (B1) an amino group-containing aspartate ester of the general formula (I); | 07-30-2009 |
20090214651 | PRODUCTION OF POLYURETHANE FOAMS - The invention relates to a process for producing polyurethane foams, by frothing and drying specific polyurethane dispersions. | 08-27-2009 |
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 |
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 |
20110044933 | PARTICLES, OBTAINED BY DRYING AN AQUEOUS NANOUREA DISPERSION - The present invention relates to particles produced by drying aqueous dispersions of nanoureas and to methods for the production thereof. | 02-24-2011 |
20110100259 | STABLE POLYISOCYANATES COMPRISING NANOPARTICLES - The present invention relates to unblocked nanoparticle-modified polyisocyanates having increased stability in the NCO content. | 05-05-2011 |
20120194039 | ELECTROMAGNETIC CONVERTER WITH A POLYMER ELEMENT BASED ON A MIXTURE OF POLYISOCYANATE AND ISOCYANATE-FUNCTIONAL PREPOLYMER AND A COMPOUND WITH AT LEAST TWO ISOCYANATE REACTIVE HYDROXYL GROUPS - The present invention relates to an electromechanical converter, in particular an electromechanical sensor, actuator and/or generator, which comprises a polymer element obtainable from a reaction mixture comprising a polyisocyanate, a polyisocyanate prepolymer and a compound having at least two isocyanate-reactive hydroxy groups. The present invention additionally relates to a process for the production of such an electromechanical converter and to the use of a polymer element according to the invention as an electromechanical element. The present invention relates further to an electronic and/or electrical device comprising an electromechanical converter according to the invention and to the use of an electromechanical converter according to the invention in an electronic and/or electrical device. | 08-02-2012 |
20120202689 | FUZZY COTTON SEEDS COMPRISING AN AQUEOUS POLYURETHANE COATING - Fuzzy cotton seeds with an aqueous polyurethane dispersion are provided which have a smooth and non-sticky surface. Said coated seeds have at the same time a sufficient hardness for use in machine-seeding and possess also excellent germination properties. | 08-09-2012 |
20120308496 | SUN PROTECTION COMPOSITIONS - The invention relates to sun protection compositions for application on the skin, containing special polyurethanes and special sun filter combinations, and to the use of said polyurethanes and sun filter combinations for producing sun protection products. | 12-06-2012 |
20130035235 | POLYURETHANE DISPERSIONS FOR SEALING THE TEATS OF THE MAMMARY GLANDS IN MILKING ANIMALS - The present invention relates to aqueous polyurethane dispersions for sealing teats of animal mammary glands. | 02-07-2013 |
20130131207 | METHOD FOR PRODUCING HYDROPHILIC, ALIPHATIC POLYURETHANE FOAMS HAVING A LOW BULK DENSITY - The invention relates to a method for producing hydrophilic, aliphatic polyurethane foams having a low bulk density. The invention also relates to a hydrophilic, aliphatic polyurethane foam which can be obtained according to said method and to the use thereof as a wound dressing, incontinence product or as a cosmetic article. | 05-23-2013 |
20130143458 | CARBODIIMIDATON METHOD - The present invention relates to aqueous dispersions containing hydrophilized polycarbodiimides, methods for producing the aqueous dispersions according to the invention, their use as a constituent of binders in adhesives, lacquers, paints, paper coating compounds or in fibre nonwovens and articles made of wood, metal, textile, leather or plastic, which are treated with the aqueous dispersion according to the invention. | 06-06-2013 |
20130261200 | HYDROPHILIC, ALIPHATIC POLYURETHANE FOAMS - The invention relates to a method for producing hydrophilic, aliphatic polyurethane foams. The invention further relates to special compositions for producing polyurethane foams either using the method according to the invention or using the polyurethane foams obtained from the compositions according to the invention, and to the use of the polyurethane foams as a wound dressing, cosmetic item, or incontinence product. | 10-03-2013 |
20130313968 | EL ELEMENTS CONTAINING A PIGMENT LAYER COMPRISING CROSSLINKING SYSTEMS WITH BLOCKED ISOCYANATE GROUPS - The present invention relates to formulations for the production of an electroluminescent element, comprising a substrate, an at least partly transparent front electrode, at least one pigment layer, optionally a dielectric layer, a back electrode and busbars for contacting the electrodes, optionally a covering layer or a laminate, and a process for the production of an electroluminescent element, preferably by screen minting. The formulations for the production of the pigment and dielectric layer contain as binders isocyanate-reactive components and blocked isocyanates and/or blocked di- and/or polyisocyanates. | 11-28-2013 |
20140010776 | POLYURETHANE UREA MIXTURE FOR HAIR COSMETICS - The invention relates to a specific polyurethane urea, which can be obtained by reacting a single polyisocyanate component, at least one polymeric polyol component, at least one hydrophilizing component and a single amino-functional chain extender component, wherein the polyisocyanate component comprises more than 75 mol % isophorone diisocyanate and the amino-functional chain extender component comprises more than 75 mol % isophorone diamine. Said polyurethane urea can be used in the field of hair cosmetics, in particular in the form of a mixture with conventional solvents. The invention further relates to the use of the polyurethane urea in cosmetics, to a cosmetic composition containing the polyurethane urea, to the use of the cosmetic composition in cosmetics, and to a method for forming hair styles using the cosmetic composition. | 01-09-2014 |
20140107243 | HYDROPHILIC POLYURETHANE FOAM WITH LOW VOLUME SWELLING - The invention relates to a specific composition comprising A) isocyanate-functional prepolymers obtainable by reaction of A1) aliphatic diisocyanates with A2) di- to hexa-functional polyalkylene oxides having an ethylene oxide content of 50 to 100 mol %, based on the total amount of the oxyalkylene groups present, B) an aqueous polyurethane suspension, an aqueous polyacrylate suspension or aqueous silica sols, especially for production of hydrophilic, aliphatic polyurethane foams. The invention further provides a process for producing a hydrophilic, aliphatic polyurethane foam, based on the inventive composition, a polyurethane foam obtainable by the process and a wound dressing comprising the polyurethane foam. | 04-17-2014 |
20140234284 | FAST-SETTING ALKOXYSILANE SPRAY FOAMS - The present invention relates to an isocyanate-free multi-component system, in particular for medical uses such as foamable wound coverings, with at least two separate components, wherein the first component comprises at least one alkoxysilane-terminated prepolymer and the second component comprises an aqueous component, wherein the aqueous component is a polyurethane dispersion. | 08-21-2014 |
20140295329 | HOLOGRAPHIC MEDIUM HAVING A PROTECTIVE LAYER - This invention relates to a holographic medium comprising a protective layer and a photopolymer film which is bonded to the protective layer and contains polyurethane matrix polymers, acrylate writing monomers and photoinitiators, wherein the protective layer is impermeable to the constituents of the photopolymer film, is optically clear and is transparent to electromagnetic radiation having a wavelength in the range of from 350 to 800 nm. The invention further provides the use of a holographic medium according to the invention in the production of holograms, and a process for the production of a holographic medium according to the invention. | 10-02-2014 |
20140342624 | AQUEOUS POLYURETHANE DISPERSION FOR WATERPROOF BREATHABLE COATINGS - Aqueous polyurethane dispersion for waterproof breathable coatings An aqueous polyurethane dispersion comprises a polyurethane polymer obtainable by the reaction of an isocyanate-functional polyurethane prepolymer A) with an isocyanate-reactive component B), wherein the isocyanate-functional prepolymer A) is obtainable by the reaction of a mixture comprising: a polyol component comprising a polyester polyol obtainable by the reaction of a mixture comprising an aliphatic dicarboxylic acid and at least one diol selected from the group consisting of linear aliphatic diols and a branched aliphatic diols; and a polyisocyanate component comprising ≧50 weight-%, based on the total weight of polyisocyanates, of dicyclohexylmethane diisocyanate. The isocyanate-reactive component B) comprises a compound comprising sulfonate groups which is employed in an amount of ≧3.5 weight-% to ≦10 weight-%, based on the total weight of the polyol component, the polyisocyanate component and the isocyanate-reactive component B).The invention also concerns the use of such an aqueous polyurethane dispersion for coatings, a method of manufacturing a coated substrate and to a coated substrate. | 11-20-2014 |
20140350206 | THERMOPLASTIC POLYURETHANE FOR PRODUCING HYDROPHILIC FIBERS - The invention relates to a thermoplastic polyurethane that can be obtained by reacting at least the following components: an isocyanate having two isocyanate groups, a first poly(ethylene glycol)polyether diol of the structure (HO—(CH2-CH2-O)x-H) having two isocyanate-reactive groups and a number-average molecular weight Mn>=6000 and <=16000 g/mol, a second poly(ethylene glycol)polyether diol of the structure (HO—(CH2-CH2-O)x-H) having two isocyanate-reactive groups and a number-average molecular weight Mn that corresponds to up to 80% of the number-average molecular weight Mn of the first poly(ethylene glycol)polyether diol B1), a chain extender having two isocyanate-reactive groups and a number-average molecular weight Mn>=60 and <600 g/mol, optionally a catalyst, and optionally auxiliary agents and additives, wherein the equivalent ratio of isocyanate A); to poly(ethylene glycol)polyether diols B1) and B2) lies between 1.5:1.0 and 10.0:1.0 and the NCO index, calculated from the quotient of the equivalent ratios of the isocyanate groups multiplied by 100 and the total of the isocyanate-reactive groups, is 90 to 105. The invention further relates to a method for producing the thermoplastic polyurethane according to the invention and to a thermoplastic polyurethane that can be obtained as per the method according to the invention. | 11-27-2014 |
20150031542 | POLYURETHANE DISPERSIONS FOR SEALING THE TEATS OF THE MAMMARY GLANDS IN MILKING ANIMALS - The present invention relates to aqueous polyurethane dispersions for sealing teats of animal mammary glands. | 01-29-2015 |