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| Number | Title | Issue Date |
| 8177905 | Fluidising composition A fluidizing admixture for use with sprayable cementitious compostions, the admixture consists of 2-phosphonobutane-1,2,4-tricarboxylic acid and at least one selected polymer derived from ethylenically-unsaturated mono- or dicarboxylic acids. Citric acid may optiona... | 05/15/2012 |
| 8177904 | Use of polymeric microparticles in building material mixtures The use of polymeric microparticles having a cavity in hydraulically setting building material mixtures is described, from 1 to 100% by volume of the cavity of these microparticles being filled with water. In this way, remarkable concrete resistance to the freezing ... | 05/15/2012 |
| 8158699 | Water-soluble copolymers containing sulpho groups, process for their preparation and their use Water-soluble sulfo group containing copolymers use as stabilizers, rheology modifiers and water retention agents in aqueous building materials based on hydraulic binders, such as cement, lime, gypsum and anhydrite, and in water-based painting and coating systems ar... | 04/17/2012 |
| 8138277 | Silane-modified urea derivatives, method for the production thereof, and use thereof as auxiliary rheological agents Disclosed are silane-modified urea derivatives which can be produced by reacting diisocyanates with aminosilanes, hydroxysilanes, or mercaptosilanes. The inventive silane-modified urea derivatives are suitable especially for use as auxiliary rheological agents, pref... | 03/20/2012 |
| 8118931 | Mixture, in particular construction material mixture containing furnace slag The present invention relates to building material mixtures which contain slag sand and zinc salts which have from 0 to 8 carbon atoms in their structure. The invention furthermore relates to the use of zinc salts for preventing discolorations during the hardening o... | 02/21/2012 |
| 8118930 | Setting accelerator for sprayed concrete An accelerating admixture for concrete, containing a liquid mixture being an aqueous solution or an aqueous dispersion, wherein a) the liquid mixture contains 13 to 43 weight % dissolved aluminium sulfate, b) the liquid mixture contains less than 1 weight % dissolve... | 02/21/2012 |
| 8101098 | Additive comprising azomethine compounds The present invention relates to a mixture of an oligomeric, blocked aminosilane (azomethine structure) and a monomeric, blocked, primary amine (azomethine structure). This mixture is suitable in particular as a curing agent, crosslinker and adhesion promoter. ... | 01/24/2012 |
| 8075688 | Aqueous accelerator mixture The invention relates to an accelerator, preferably for sprayed concrete or sprayed mortar, which is present as an aqueous mixture, preferably dispersion, particularly preferably suspension, which contains the following: (a) aluminium in oxidation state 3, | 12/13/2011 |
| 8053498 | Pulverulent polycondensation products Pulverulent polycondensation products are described, consisting of a) 5 to 95% by weight of a polycondensation product based on an aromatic or heteroaromatic compound (A) having 5 to 10 C atoms or heteroatoms having at least one oxyethylene or oxypropyl... | 11/08/2011 |
| 7973110 | Copolymer synthesis process Preparing a non-ionic copolymer having a hydrolysable monomer residue and a polyether macromonomer residue in a semicontinuous mode in a polymerization reactor associated with a metering device, including introducing polyether macromonomer and water into the reactor... | 07/05/2011 |
| 7972435 | Amine containing strength improvement admixture A strength improvement admixture composition is provided that increases the compressive strength of cementitious compositions without negatively increasing the setting time. The admixture comprises the components of a polycarboxylate dispersant and strength improvem... | 07/05/2011 |
| 7956122 | Volatile organic compound (voc) compliant sealing material A polyurethane sealant is provided that includes a fatty acid ester that is used to replace volatile solvent in the sealant formulation and a reaction product of polyoxyalkylene polyol and polyisocyanate. The polyurethane sealant produced has a non-volatile material... | 06/07/2011 |
| 7947334 | Cement accelerator and method An alkali-free accelerator for sprayed cementitious composition, such as concrete, is prepared by dissolving aluminium sulphate in water and amorphous aluminium hydroxide in water optionally containing amine, and adding at least one stabiliser which is glycolic acid... | 05/24/2011 |
| 7923489 | Amphiphilic polymer compounds, method for the production thereof and their use The invention describes amphiphilic polymer compounds which are prepared by a) reacting a di-, tri- or tetraglycidyl compound (A) with an optionally unsaturated reactive component (B) consisting of C8-C28-fatt... | 04/12/2011 |
| 7923487 | Lightweight structural finish A lightweight finish composition, method of production and a method of application are provided. The lightweight finish composition comprises a resin dispersion, alkali metal phosphate, alkylolammonium salt of a polyfunctional polymer, and lightweight aggregate such... | 04/12/2011 |
| 7922808 | Freeze-thaw durability of dry cast cementitious mixtures An improved freeze-thaw durability dry cast cementitious composition is provided that uses very small (0.1 μm to 100 μm average diameter) polymeric microspheres that are blended directly into the mixture and optionally gas-generating additives. The polymeric micro... | 04/12/2011 |
| 7910640 | Polycondensation product based on aromatic or heteroaromatic compounds, method for the production thereof, and use thereof Disclosed is a polycondensation product that is a reaction product of A) an aromatic or heteroaromatic compound containing 5 to 10 C atoms or heteroatoms and is provided with an average of 1 to 300 oxyethylene groups and/or oxypropylene groups per molecule which are... | 03/22/2011 |
| 7902310 | Copolymers based on phosphorous-containing monomers, methods for the production thereof and their use The invention relates to copolymers based on phosphorous-containing monomers (A) and on macromonomers (B), to methods for the production thereof and to their use as additives for inorganic binding agent suspensions based on cement, lime, gypsum and anhydrite. The co... | 03/08/2011 |
| 7842766 | Phosphorus-containing copolymers, method for the production thereof, and use thereof Copolymers which are obtained by free radical copolymerization of a vinylic poly(alkylene oxide) compound (A) with an ethylenically unsaturated monomer compound (B), and the use thereof as dispersants for aqueous solid suspensions, in particular hydraulic binders ba... | 11/30/2010 |
| 7825210 | Aqueous, highly cross-linked two-component polyurethane coating system, method for the production and use thereof An aqueous highly cross-linked two-component polyurethane coating system is described with reduced hydrophilicity and improved resistance to chemicals which can be obtained by a) producing a binder component based on an aqueous solution or dispersion of low-molecula... | 11/02/2010 |
| 7803853 | Settable mixture containing lime, a cementitious composition and a polymer The present invention refers to a settable mixture comprising (i) a water absorbing composition and (ii) an aqueous emulsion of organic polymer or (iii) dispersible organic polymer, wherein the water absorbing composition (i) contains inorganic ingredients which are... | 09/28/2010 |
| 7772300 | Polymer composition and use of the same as an additive in aqueous construction systems and water-based paint and coating systems A polymeric composition consisting of water-soluble or water-swellable copolymers containing sulfo groups and nonionic polysaccharide derivatives, such as methylcellulose (MC), hydroxyethylcellulose (HEC), hydroxypropylcellulose (HPC), methylhydroxyethylcellulose (M... | 08/10/2010 |
| 7745565 | Azetidine derivatives, method for producing said derivatives and use thereof A description is given of azetidine derivatives and methods for producing them, and of their use as a latent curing component for resins having functional groups which are reactive toward amino groups. The particular advantages of the curing component proposed in ac... | 06/29/2010 |
| 7732548 | Water-soluble sulfonic group-containing copolymers and terpolymers the production thereof and water-based painting and coating systems Water-soluble copolymers and terpolymers as stabilizers for aqueous building material systems and water-based paint and coating systems are described. Advantages of the copolymers and terpolymers used according to the invention compared to conventional products are ... | 06/08/2010 |
| 7718581 | Method using composition to reduce cutting head wear A method of reducing wear in a cutting head of a tunnel boring machine, by means of the addition at the cutting head of a foamed aqueous liquid composition, which comprises a foaming agent and a lubricant, the lubricant being selected from the group consisting of hi... | 05/18/2010 |
| 7709422 | Method and composition for injection at a tunnel boring machine A method of boring a tunnel by means of an earth pressure balance tunnel boring machine, comprising the injection at the cutting head of a foamed aqueous solution and an aqueous solution of a water-soluble acrylic acid-based polymer. The method allows easier tunnel ... | 05/04/2010 |
| 7687443 | Method of lubrication of conduits for cementitious slurries A method of lubrication of the passage of a cementitious composition through a conduit, comprising the addition to the conduit prior to addition thereto of the cementitious composition of an aqueous solution of a solid lubricating composition consisting essentially ... | 03/30/2010 |
| 7686542 | Method of protecting a surface of rock or soil The surface of rock or soil, newly-exposed, for example, by tunnelling, and having the tendency to become friable on exposure to the atmosphere, can be protected by forming thereon a film by the process of combining on the surface at least one coagulable material an... | 03/30/2010 |
| 7682993 | Insulated composite reinforcement material An insulated composite material for structural reinforcement applications is provided. The insulated composite material includes a fiber reinforced composite material and a cementitious insulating layer applied over the composite material. Also provided is a structu... | 03/23/2010 |
| 7662882 | Defoaming agent for cementitious compositions A defoaming agent for cementitious compositions is provided, which has an excellent defoaming performance and does not segregate when mixed with a high performance AE water-reducing agent to form a single admixture or when diluted in water at the desired concentrati... | 02/16/2010 |
| 7662230 | Liquid accelerator To provide a liquid accelerator which excels in accelerating effect and which also excels in storage stability at low temperature and inhibitory effect of alkali-aggregation reaction. A liquid accelerator composed of a fluoride-containing aqueous aluminum salt which... | 02/16/2010 |
| 7648575 | Providing freezing and thawing resistance to cementitious compositions An improved freeze-thaw durability cementitious composition is provided that uses at least partially degradable polymeric particles that are blended directly into the cementitious composition mixture. The degradable polymeric particles provide void spaces in the cem... | 01/19/2010 |
| 7605196 | Water-soluble copolymers containing sulfo groups, method for the production and use thereof The invention relates to water-soluble copolymers used as water retention agents, stabilizers and rheology modifiers in aqueous building material systems based on hydraulic binders such as cement, lime, plaster, anhydrite etc. and in water-based paint and coating sy... | 10/20/2009 |
| 7556684 | Amine containing strength improvement admixture A strength improvement admixture composition is provided that increases the compressive strength of cementitious compositions without negatively increasing the setting time. The admixture comprises the components of a polycarboxylate dispersant and strength improvem... | 07/07/2009 |
| 7538152 | Lightweight structural finish A lightweight finish composition, method of production and a method of application are provided. The lightweight finish composition comprises a resin dispersion, alkali metal phosphate, alkylolammonium salt of a polyfunctional polymer, and lightweight aggregate such... | 05/26/2009 |
| 7531584 | Providing freezing and thawing resistance to cementitious compositions An improved freeze-thaw durability cementitious composition is provided that uses at least partially degradable polymeric particles that are blended directly into the cementitious composition mixture. The degradable polymeric particles provide void spaces in the cem... | 05/12/2009 |
| 7501472 | Aqueous fluoromodified polyurethane system for anti-graffiti and anti-soiling coatings An aqueous fluoromodified polyurethane system for one- or two-component anti-graffiti and anti-soiling coatings is prepared by (a) preparing a binder component based on an aqueous solution or dispersion of optionally hydroxy- and/or amino-functional oligourethanes a... | 03/10/2009 |
| 7497904 | Liquid coloring suspension and colored cementitious composition A cementitious composition is provided that is composed of hydraulic cement and a liquid coloring suspension. The liquid coloring suspension which contains polycarboxylate dispersant and pigment provides the cementitious composition with increased dispersion of pigm... | 03/03/2009 |
| 7482420 | Silane-terminated polyurethanes with high strength and high elongation A silane-terminated polyurethane composition is the reaction product of a silane-terminated polyurethane prepolymer component, a silane-terminated monomeric diisocyanate, and optionally at least one multifunctional trisilane or tetrasilane component. A method for ma... | 01/27/2009 |
| 7482405 | Cement additive The present invention concerns a cement additive containing copolymers comprising one or more constitutional units represented by formula A: (A) R1 is hydrogen, an alkyl group having 1 to 4 carbon atoms, an alkenyl group having 1 to 4 carbon atoms or an a... | 01/27/2009 |
