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| Number | Title | Issue Date |
| 8092592 | Additive for hydraulic binding agent with long processing time and high early strength Exemplary embodiments as disclosed herein are directed to setting and curing accelerators for hydraulic binders, including at least one ester of a polyhydric alcohol with an acid and/or salts thereof, where the acid is a phosphoric acid, phosphorous acid or a C... | 01/10/2012 |
| 7931747 | Hydrophobized cement-containing compositions The present invention relates to cement-containing compositions which are characterized in that they have a proportion of organosilicon compounds of greater than 0.15% by weight, based on the proportion of cement, the organosilicon compounds being based on at least ... | 04/26/2011 |
| 7678193 | Product for treating reinforced concrete constructions The invention relates to the use of lithium glycerophosphate for treating structures made of a cement-based product and having steel rebars, making it possible to inhibit rebar corrosion, to prevent the alkali reaction and to avoid the presence of alkalis and sulfat... | 03/16/2010 |
| 7410538 | Granulated hydrophobic additive for cementitious materials A cementitious material in powder form comprising cement, also comprises sufficient of a granulated hydrophobing additive, which comprises form 5 to 15 parts by weight of an organopolysiloxane component, form 10 to 50 parts by weight of a water-soluble or water-disp... | 08/12/2008 |
| 7311770 | Granulated hydrophobic additive for gypsum compositions A hydrophobic gypsum composition is provided which contains gypsum, a granulated hydrophobing additive and a pH effecting additive in an amount sufficient to maintain the pH of the composition in the range of 8 and 12.5, in the presence of water. The granule contain... | 12/25/2007 |
| 7266918 | Yard sign with trimmed edges A yard sign includes a planar sign member and upper and lower trim members. The trim members are formed from complementary trim elements that are mirror images of each other and snap fit over the upper and lower edges of the sign. The trim members have openings in t... | 09/11/2007 |
| 7067004 | Grout compositions having high thermal conductivities and methods of using the same Grout slurries are provided that have high thermal conductivities of greater than about 1.4 Btu/hr-ft-° F. and low hydraulic conductivities ranging from about 5×10−9 cm/s to about 1×10−8 cm/s. Such grout slurries comprise water and a grout composition that is... | 06/27/2006 |
| 7029527 | Quick binder for self compacting concrete, use and application of same A binder for self-compacting concrete includes, in dry weight of the-binder, 70 to 90% of Portland cement, 4 to 16% of calcium aluminate, 4 to 14% of calcium sulphate, an accelerator and a retarder, 0 to 2% of Ca(OH)2 and at least an additive with a water reducer. T... | 04/18/2006 |
| 6982000 | Cement compositions including silane treated amorphous silica The present invention provides improved cement compositions comprising hydraulic cement, silica hydrophobicized with a mixture of organosilicon compounds and water. ... | 01/03/2006 |
| 6978834 | Foamed and non-foamed cement compositions including silane treated amorphous silica and methods The present invention provides improved methods of cementing and cement compositions. A cement composition of the invention comprises hydraulic cement, silica hydrophobicized with a mixture of organosilicon compounds and water which upon hardening has high shear bon... | 12/27/2005 |
| 6878200 | Mortar or concrete composition In a cold-curing mortar or concrete composition comprising calcareous and siliceous materials as predominant components, 0.3-2.5 wt % based on the calcareous material of a silicone oil having formula (1) is added. R is C3-12 alkyl, R′ is C1-4 | 04/12/2005 |
| 6824607 | Cement-bound active substance The invention relates to a novel cement-bound material with a mineral binding agent, a mineral filler and/or mineral aggregates. Said cement-bound material has a proportion of a mass hydrophobing agent comprised of stearates, siliconates, silanes or siloxanes rangin... | 11/30/2004 |
| 6685766 | Corrosion inhibitor for steel-reinforced concrete An organosilane- and/or organosiloxane-containing composition reduces active corrosion of steel reinforcement in concrete.... | 02/03/2004 |
| 6616755 | Self-levelling concrete and method for making a structural part The invention concerns a self-levelling concrete and a method for making a structural part from said concrete. The concrete which comprises aggregate and solid particles with size grading not more than 12 mm, comprises a superplasticizer which is a compou... | 09/09/2003 |
| 6506715 | Automotive wash and wax composition and method of use thereof An automobile wash and wax composition suitable for simultaneously washing and waxing a soiled exterior surface of a vehicle without buffing. The automotive wash and wax composition being an aqueous emulsion containing an anionic surfactant, a silicone oi... | 01/14/2003 |
| 6464776 | Dusting-inhibited cement composition improved in strength The present invention provides a dusting-inhibited cement composition, which hardly forms dust and further capable of improving strength of concrete or mortar obtained therefrom. A dusting-inhibited cement composition according to the present invention co... | 10/15/2002 |
| 6398865 | Cement composition A cement composition comprising (A) hydraulic cement, (B) a silicone oil emulsion containing crosslinked silicone particles with an average particle size of from 0.05 μm to 100 μm in drops of silicone oil with an average size of 0.1 μm to 500 μm dispersed ... | 06/04/2002 |
| 6395113 | Process for producing a non-combustible moulded article, especially a building panel A process is proposed for producing non-combustible moulded articles from blown vermiculite, the blown vermiculite granules being mixed with an inorganic binder and then pressed. The blown vermiculite granules are mixed with a solution of an inorganic bin... | 05/28/2002 |
| 6309457 | Cement-Based Self-Leveling Composition The present invention relates to a self-leveling composition for floor toppings, characterized in that it is based on Portland cement or on cement mix CM II or CM III, and in that it further comprises at least sand, water and at least one plasticizer whic... | 10/30/2001 |
| 6302955 | Composition for improving freeze/thaw durability of masonry containing fatty acid-based efflorescence control agents A composition for improving the freeze thaw durability of masonry concrete comprising (i) an alkylaryl polyether alcohol having the formula R-.O slashed.-(OCH2 CH2)x OH, wherein R is a C4 -C8 alkyl gr... | 10/16/2001 |
| 6258161 | Masonry blocks and masonry concrete admixture for improved freeze-thaw durability A masonry concrete, for use in making segmental retaining wall units, pavers, blocks, and the like, having zero slump and incorporating betaine for improving freeze-thaw durability, and optionally efflorescent control agents and/or water reducer agents. E... | 07/10/2001 |
| 6210476 | Foamed cement compositions and methods The present invention provides improved foamed well cement compositions and methods. The foamed cement compositions have improved properties and are basically comprised of hydraulic cement, amorphous silica surface treated with a mixture of organosilane c... | 04/03/2001 |
| 6182758 | Dispersant and fluid loss control additives for well cements, well cement compositions and methods Biodegradable dispersing and fluid loss control additives for well cements, well cement compositions including the additives and methods of using the well cement compositions are provided. The well cement compositions are basically comprised of a hydrauli... | 02/06/2001 |
| 6139622 | Process for the production of integrally waterproofed concrete This invention relates to a process for the production of a homogeneously waterproofed concrete (integrally waterproofed concrete) in which an aqueous hydrolysable, emulsion containing organosilicon compounds is added before curing to the fresh concrete m... | 10/31/2000 |
| 6063184 | Admixtures for cementitous compositions The invention relates to a random styrene-maleic anhydride (SMA) copolymer in free acid or salt form wherein the copolymer has the following types and numbers of monomer units ##STR1## in which M is selected from hydrogen, a cation and a residue of a... | 05/16/2000 |
| 5972103 | Universal well cement additives and methods The present invention provides universal well cement additives and methods. The universal well cement additives improve the properties of a well cement slurry and are basically comprised of iron chloride, an alkali or alkaline-earth metal halide, an organ... | 10/26/1999 |
| 5919296 | Storage-stable water-repellent composition for masonry materials A storage-stable composition adapted for imparting water-repellent properties to masonry materials comprises an aqueous emulsion which defines a continuous aqueous phase and a discontinuous organosilicon phase. The emulsion is formulated from components c... | 07/06/1999 |
| 5766323 | Cementitious materials A cementitious material in powder form comprising cement, also comprises sufficient of a granulated hydrophobing additive, which comprises from 5 to 15 parts by weight of an organopolysiloxane component, from 10 to 40 parts by weight of a water-soluble or... | 06/16/1998 |
| 5749963 | Hardenable mortar composition The hardenable mortar composition consists of a bonding agent component including a hydraulic bonding agent, such as cement, gypsum or mortar, and a paste-forming agent consisting of a liquid solvent inert with respect to the hydraulic bonding agent, and ... | 05/12/1998 |
| 5650004 | Cement plaster composition, additive therefor and method of using the composition There is disclosed a cement plaster composition wherein an additive having from about 10% to about 75% of a silicone treated powder and from about 90% to about 25% of a pozzalanic filler is combined with a type I Portland cement and a crushed aggregate to... | 07/22/1997 |
| 5641352 | Nitrogenous strength enhancers for portland cement An early strength-enhancing admixture and cement composition is disclosed. The admixtures incorporate strength-enhancing components selected from the group consisting of a. a nitrogenous compound of the formula ##STR1## wherein R1 =R5... | 06/24/1997 |
| 5618860 | Epoxy polysiloxane coating and flooring compositions A sprayable, trowelable epoxy polysiloxane based coating and flooring composition exhibiting excellent weatherability in sunlight and superior chemical, corrosion and impact resistance after curing is made up of: (a) a resin component which includes a non... | 04/08/1997 |
| 5595597 | Process for producing phosphomagnesia cements having reduced sensitivity to water Phosphomagnesia compositions settable into improvedly water-insensitive cements that retain their mechanical properties comprise an intimate admixture of (i) a binder phase including (a) at least one phosphorous compound (P2 O5 or de... | 01/21/1997 |
| 5567236 | Composition containing materials improving the rheological properties of cement-based products Composition adapted to improve the rheological properties of cement-based products and more especially to increase the duration of the workability of concrete ready to use, characterized in that it comprises, in the form of a ternary mixture a superplasti... | 10/22/1996 |
| 5518541 | Phosphomagnesia cements having reduced sensitivity to water Phosphomagnesia compositions settable into improvedly water-insensitive cements that retain their mechanical properties comprise an intimate admixture of (i) a binder phase including (a) at least one phosphorous compound (P2 O5 or de... | 05/21/1996 |
| 5503672 | High temperature retarders for oil field cements, cement slurries and corresponding cementing processes The invention relates to the cementing of high temperature wells. The retarder consists of a methylene phosphonic acid derivative and of a boric acid or a borate at least as acid as borax in an aqueous solution, in particular, Na pentaborate, in a preferr... | 04/02/1996 |
| 5484478 | High temperature set retarded cement compositions and methods Set retarded cement compositions and methods of using the compositions for cementing zones in wells at temperatures in the range of from about 200° F. to about 450° F. are provided. The compositions are basically comprised of hydraulic cement, water and... | 01/16/1996 |
| 5427617 | Methods and compositions for reclaiming concrete A method of reclaiming leftover ready-mix concrete comprising the steps of: (1) retarding the hydration of the unused portion of concrete returned from a job site; and (2) after the desired retarded period adding a hydration acceleration agent to restore the c... | 06/27/1995 |
| 5421881 | Cement set retarding additives, compositions and methods The present invention provides set retarding additives, set retarded hydraulic cement compositions including such additives and methods of using the cement compositions for cementing zones in wells. The set retarding additives are graft copolymers or terp... | 06/06/1995 |
| 5417759 | Set retarding additive for cement slurries N-phosphonomethyl iminodiacetic acid may be used as an additive to retard the setting time of Portland cement.... | 05/23/1995 |
