Organic Material Containing Patents (Class 106/708)
  • Patent number: 10392304
    Abstract: The present invention provides cement grinding additive compositions and methods which allow a PVC-safe, powerful, and robust defoaming agent to be uniformly dispersed throughout a broad concentration range while retaining storage stability even in cases wherein the defoaming agent is highly diluted. Exemplary cement grinding additive compositions comprise at least one amine cement grinding additive; an air detrainer selected from the group consisting of (i) ethoxylated, propoxylated fatty alcohol or alkylphenol, (ii) polyalkoxylated polyalkylene polyamine, or (iii) a mixture thereof.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: August 27, 2019
    Assignee: GCP Applied Technologies Inc.
    Inventors: Leslie A. Jardine, Josephine H. Cheung
  • Patent number: 10273187
    Abstract: A process for making a cement, the cement containing a naturally occurring silicate bound in an organic binder, and a metal oxide. An example process includes dissolving the organic binder at least in part, using an effective amount of a chemical activator. An example process also includes providing the silicate to react with other components of the cement. An example process also includes providing the silicate to participate in crystal growth. An example process also includes providing the silicate so that the cement is a structural load bearing cement.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: April 30, 2019
    Inventor: Trevor Cyril Waters
  • Patent number: 10066477
    Abstract: A system and method are for detecting and identifying underground tunnels by using: (i) bentonite-slurry for filling at least one essentially-vertical moat along a desired borderline, (ii) at least one detection device associated with the moat(s); and (iii) at least one control system connected to all detection devices.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: September 4, 2018
    Inventors: Zvi Borowitsh, David David, Eli Raz
  • Patent number: 9850168
    Abstract: A hydraulic binder includes a belite sulfoaluminate clinker and silica having a BET specific surface area in nitrogen of at least 50 m2/g, the quantity of silica being lower than or equal to 5%, the percentage being expressed as a mass percentage in relation to the mass of the binder.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: December 26, 2017
    Assignee: LAFARGE
    Inventors: Ellis Gartner, Vincent Morin
  • Patent number: 9834476
    Abstract: A concrete comprises in relative parts by weight: 100 of Portland cement; 0.25 to 9 of a defoamer; 0.001 to 6 of a surfactant; 0 to 230 of coarse gravel and/or fine gravel and/or shear enhancers; 0 to 85 of sand; 0 to 60 of a particulate pozzolanic or non-pozzolanic material or a mixture thereof having a mean particle size less than 15 micrometers; 0 to 80 of a particulate pozzolanic or non-pozzolanic material or a mixture thereof having a mean particle size between 15 to 88 micrometers; 0.3 to 18 of a water-reducing superplasticizer; 0 to 14 of polyethylene fibers; and 5 to 40 of water. An air mixing process using a tightly sealed mixing tool is used to thoroughly mix the constituents of the concrete before adding the water for curing. By adjusting relative parts in the composition, concretes of high and ultrahigh performance can be achieved efficiently.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: December 5, 2017
    Assignee: Space Coatings Inc.
    Inventors: Sean Peishen Feng, Kathleen Marie Rai
  • Patent number: 9745224
    Abstract: Inorganic polymer/organic polymer composites and methods for their preparation are described herein. The inorganic polymer/organic polymer composites comprise a first layer comprising an inorganic polymer and a second layer adhered to the first layer comprising an organic polymer. The inorganic polymer is formed by reacting, in the presence of water, a reactive powder, an activator, and optionally a retardant. The reactive powder comprises 85% by weight or greater fly ash and less than 10% by weight portland cement. Also described herein are building materials including the composites.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: August 29, 2017
    Assignee: Boral IP Holdings (Australia) PTY Limited
    Inventors: Russell L. Hill, Russ Majors
  • Patent number: 9499975
    Abstract: Building materials include a dampening layer which contains a plaster and a viscoelastic polymer, such as polyvinyl butyral. The dampening layer may also include a barium salt. Methods of making a sound dampening material include providing a plaster mixture. The mixture may include a viscoelastic polymer and/or a barium salt. The plaster mixture is combined with water and/or a viscoelastic polymer dispersion, to form a slurry. The slurry is applied to a surface and set to form a sound dampening layer.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: November 22, 2016
    Assignee: Georgia-Pacific Gypsum LLC
    Inventors: Vincent B. Thomas, Jeffrey T. Fields
  • Patent number: 9359257
    Abstract: A dry, free-flowing cement composition that comprises dry cement particles and flow inducing particulates that comprise solid adsorbent particulates having adsorbed thereon a flow inducing chemical, ethylene glycol, and water. The water is present in an amount from 5% to 30.3% by weight of the solid adsorbent particulates, the ethylene glycol is present in an amount from 3.25 to 20% by weight of the solid adsorbent particulates, and the flow inducing particulate is present in an amount from 0.005% to 5% by weight of the cement. The dry, free-flowing cement composition is free-flowing at temperatures at least as low as 10° F.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: June 7, 2016
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Sam Lewis, Rita McKinley, Russell Fitzgerald
  • Patent number: 9353008
    Abstract: Disclosed is a structural lightweight concrete or mortar composition which, in the fresh state, includes an hydraulic binder, aggregate, and water, characterized in that the composition includes: an hydraulic binder content including cement and optional additions, which is greater than or equal to 280 kg/m3 of fresh concrete, coarse aggregate and/or fine aggregate, a volume proportion of at least 70% of the fine and/or coarse aggregate consisting of fine and/or coarse lightweight particles, the actual dry density of which is between 800 and 1,600 kg/m3, the total amount of aggregate being greater than or equal to 500 L/m3 of fresh concrete, a superplasticizer, at least one thickening agent, and effective water in an effective water/hydraulic binder weight ratio of between 0.40 and 0.65. The composition can be used for producing a self-placing lightweight concrete.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: May 31, 2016
    Assignee: CIMENTS FRANCAIS
    Inventors: Melanie Shink, Abdelghafour Ait Alaiwa
  • Patent number: 9321032
    Abstract: A sorbent composition and process of making sorbent designed for the removal of contaminants from flue gas and subsequent use in cement or concrete formulations are discussed. The sorbent composition comprises a coal feed stock prepared to have a total BET surface area of at least 350 m2/g, and wherein the sorbent has a cumulative surface area less than 10 m2/g for pore diameters between 0.01 and 0.1 microns, a cumulative pore volume less than 0.055 cc/g for pore diameters between 0.01 and 0.1 microns, or both.
    Type: Grant
    Filed: June 10, 2009
    Date of Patent: April 26, 2016
    Assignee: Calgon Carbon Corporation
    Inventors: Nicholas R. Pollack, Richard A. Hayden
  • Patent number: 9193912
    Abstract: The thermally insulating fire-protection molding is characterized in that it contains at least one lightweight filler, one reaction product of the thermal curing of an organic-inorganic hybrid binder, one mineral that eliminates water, and also fibers and/or wollastonite, and is impermeable to smoke.
    Type: Grant
    Filed: September 1, 2011
    Date of Patent: November 24, 2015
    Assignee: TDH—GMBH TECHNISCHER DAEMMSTOFFHANDEL
    Inventors: Rainer Angenendt, Peer Genth, Heike Meschke
  • Patent number: 9040608
    Abstract: The present invention relates to a curable mixture suitable for obtaining “easy-to-clean” properties in the cured mixture, comprising at least one mineral binder, a powder comprising at least one fluoroorganyl-substituted silicon compound encapsulated in a water-soluble polymer, the amount of the silicon compound being 0.001% to 8% by weight, based on the present mixture, and optionally further adjuvants, and also to a process for preparing the mixture and to the use thereof. The invention further relates to a water-redispersible powder and also to a corresponding intermediate for use in the curable mixture in order to obtain “easy-to-clean” properties in the cured mixture. Also claimed, furthermore, is a process for preparing the powder, and the use thereof.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: May 26, 2015
    Assignees: Evonik Degussa GmbH, Akzo Nobel Chemicals International B.V.
    Inventors: Manuel Friedel, Philipp Albert, Burkhard Standke, Spomenko Ljesic, Ulf Kehrer
  • Publication number: 20150122154
    Abstract: Pozzolanic cement compositions and method manufacturing the same are described. These cement compositions may include a pozzolanic material and an activator based on a salt of glycolic acid, glyceric acid, malic acid, tartaric acid, malonic acid, glutaric acid, maleic acid, formic acid, acetic acid, propionic acid, or butyric acid, a retarder based on hepto-gluconates, sulfate salts, sugars, sugar acids, lignins, and/or an accelerator based on amines. The cement compositions may have less than 10% by weight Portland cement. The pozzolanic cement compositions including these activators, accelerators, and retarders can have improved properties such as longer setting time, better slump retention, and improved strength.
    Type: Application
    Filed: November 1, 2013
    Publication date: May 7, 2015
    Applicant: Ceratech Inc.
    Inventors: Ivan DIAZ-LOYA, Rajeshkumar PATEL, David HOFFMAN, Joseph TRZPEKOWSKI, Frederick KINNEY
  • Patent number: 9023149
    Abstract: A cementitious mixture for high-volume production of masonry products comprises a hydraulic binder accounting for 20 wt % or more of the cementitious mixture, the hydraulic binder comprising 75 to 100 wt % Class C fly ash with a CaO equivalent content of at least 15% by weight. The cementitious mixture also comprises one or more aggregates, and a set control system.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: May 5, 2015
    Assignee: Calstar Products, Inc.
    Inventors: Kyle Scott Douglas, Dustin Marion Hulbert, Amitabha Kumar, Thomas McClure Pounds, Julie Robyn Rapoport, Michael Alexander Telischak, Susanne Rebecca Williams
  • Publication number: 20150118484
    Abstract: The present invention provides an environment-friendly natural-like artificial stone containing fly ash. A formulation and a method of producing the artificial stone is compared with the existing artificial stone. The artificial stone produced by the present invention has characteristics of higher long-term strength and density, excellent weather resistance and corrosion resistance, and also of thermal insulation and sound insulation, in some degree. It has very strong durability and color stability under a variety of adverse weather conditions, without efflorescence and coming off, and with hardly any color change.
    Type: Application
    Filed: December 26, 2011
    Publication date: April 30, 2015
    Applicant: SHANGHAI APE STONE CO., LTD
    Inventors: Guomai Chen, Malhua Chen, Yi Xia, Jiye You, Rendao Zhou, Liang Zeng
  • Publication number: 20150107491
    Abstract: A cementitious binder comprises at least 90% by weight of a hydraulically-active material comprising ground granulated blast furnace slag (GGBS) and/or pulverised fuel ash (PFA), and at least 0.1% by weight of CaO in an activator composition for the hydraulically-active material. The cementitious binder does not comprise any Portland cement and is, therefore, more environmentally friendly. The binder further comprises a superplasticiser such as a polycarboxylate ether (PCE). A concrete, mortar, grout, screed or render may be formed from a mixture of the cementitious binder, aggregate particles, water and superplasticiser.
    Type: Application
    Filed: May 31, 2013
    Publication date: April 23, 2015
    Applicant: David Ball Group
    Inventors: David Martin James Ball, Martin Liska, Peter Hewlett
  • Publication number: 20150101512
    Abstract: Cementitious compositions in which the cementitious properties of fly ash are carefully controlled are described. The cementitious compositions may be substantially free harsh acids and bases such as citric acids (?pH 2.2) and alkali metal activators including alkali hydroxides (?pH 12-14) and metal carbonates (?pH 11.6). The use of these harsh chemicals creates acid base reactions during use of the products. Instead of these harsh chemicals, a lactic acid salt based activator is be used as a reaction accelerator. Boric compounds may be used as a retarder in the compositions.
    Type: Application
    Filed: June 9, 2014
    Publication date: April 16, 2015
    Inventors: Glenn SCHUMACHER, Rajeshkumar PATEL
  • Publication number: 20150090451
    Abstract: A well cementing composition comprises water, an inorganic cement, a gas generating agent and a gas stabilizer. The gas generating agent may contain materials that release hydrogen gas, carbon dioxide gas or nitrogen gas or combinations thereof. The gas stabilizer comprises an aqueous mixture comprising polyglycols, oxyalkylates and methanol, or coco trimethyl ammonium chloride, or a mixture comprising ammonium fatty alcohol ether sulfate and ethylene glycol monobutyl ether, or combinations thereof. When used to cement a subterranean well, the compositions improve the compressive strength, increase the rate at which compressive strength develops, preserve cement homogeneity, or enhance cement expansion or a combination thereof.
    Type: Application
    Filed: September 30, 2014
    Publication date: April 2, 2015
    Inventors: Arnaud Joseph Gino Bourlon, Olivier Porcherie, Sylvaine Le Roy-Delage
  • Publication number: 20150068431
    Abstract: A cementitious composition including at least one cementitious and/or pozzolanic material and at least one desugared molasses. A method of preparing a cementitious composition including forming a mixture of water, at least one cementitious and/or pozzolanic material and at least one desugared molasses. An admixture for cementitious compositions including: (i) at least one desugared molasses; and (ii) at least one alkanolamine and/or at least one polyhydroxyalkylamine.
    Type: Application
    Filed: November 20, 2014
    Publication date: March 12, 2015
    Inventors: Samy M. SHENDY, Daniel CONSTANTINER
  • Patent number: 8968464
    Abstract: A plastic refractory material or a refractory mortar which harden when dried and which contain at least one light-weight filler, a binder, fibers and/or wollastonite as well as water is characterized in that blown closed-cell volcanic ash is used as the light-weight filler, the ash being provided with a superficial water-protection layer, in that an inorganic-organic hybrid binder is used as the binder, the binder containing silicic acid and an organic polymer, and in that the material or the mortar contains kaolin or kaolinite and silicon dioxide. It is suggested to publish the abstract without a drawing.
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: March 3, 2015
    Assignee: TDH-GmbH Technischer Daemmstoffhandel
    Inventors: Rainer Angenendt, Peer Genth
  • Publication number: 20150027346
    Abstract: A grout composition for application to a tunneling surface is disclosed. The grout composition comprises a mixture including cement and at least one of a hydration stabilizer, a polycarbonate-based high range water reducer, and a viscosity modifier. The grout composition further includes water and a sprayed concrete accelerator. The sprayed concrete accelerator may be included in the composition at the time of application.
    Type: Application
    Filed: July 21, 2014
    Publication date: January 29, 2015
    Inventor: Jesse Osborne, JR.
  • Patent number: 8926855
    Abstract: Building materials include a dampening layer which contains a plaster and a viscoelastic polymer, such as polyvinyl butyral. The dampening layer may also include a barium salt. Methods of making a sound dampening material include providing a plaster mixture. The mixture may include a viscoelastic polymer and/or a barium salt. The plaster mixture is combined with water and/or a viscoelastic polymer dispersion, to form a slurry. The slurry is applied to a surface and set to form a sound dampening layer.
    Type: Grant
    Filed: December 20, 2012
    Date of Patent: January 6, 2015
    Assignee: Georgia-Pacific Gypsum LLC
    Inventors: Vincent B. Thomas, Jeffrey Thomas Fields
  • Patent number: 8920556
    Abstract: A cementitious composition including at least one cementitious and/or pozzolanic material and at least one desugared molasses. A method of preparing a cementitious composition including forming a mixture of water, at least one cementitious and/or pozzolanic material and at least one desugared molasses. An admixture for cementitious compositions including: (i) at least one desugared molasses; and (ii) at least one alkanolamine and/or at least one polyhydroxyalkylamine.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: December 30, 2014
    Assignee: Construction Research & Technology GmbH
    Inventors: Samy M. Shendy, Daniel Constantiner
  • Patent number: 8911549
    Abstract: The invention provides a process for the production of a cementious material. The process comprises mixing cement starting materials and a particulate healing agent to provide the cementious material. The healing agent comprises coated particles, wherein the coated particles comprise bacterial material and additive. The bacterial material is selected from the group consisting of a bacterium, a lyophilized bacterium and a bacterial spore of a bacterium. The present invention solves these problems, as (substantially leakage-proof) tablets containing the actual healing agent may neither interfere with either the workability of the liquid mixture (“cementious material”) nor negatively affect properties of either mixture or final material (hardened concrete), even when applied in large quantities. During crack formation in cementious based constructions, the particles also crack, and healing agent is released.
    Type: Grant
    Filed: April 6, 2011
    Date of Patent: December 16, 2014
    Assignee: Technische Universiteit Delft
    Inventor: Hendrik Marius Jonkers
  • Publication number: 20140360721
    Abstract: A cement composition comprising industrial waste containing calcium oxide and a retarder is disclosed. The cement composition is free of Portland cement. The composition also includes an alkali metal oxide, a hydrocarboxylic acid, and a sulphate compound. The cement may be used in methods for cementing subterranean formations such as oil and gas wells.
    Type: Application
    Filed: June 3, 2014
    Publication date: December 11, 2014
    Applicant: CEMBLEND SYSTEMS INC.
    Inventors: Donald GETZLAF, Marty STROMQUIST, Ramkumar NATARAJAN
  • Publication number: 20140283711
    Abstract: Cement and concrete additives and related methods of making and using such additives are disclosed and described. An additive can include molasses and a carrier. An enhanced Portland cement composition can comprise about 97 wt % to 99.9 wt % of the composition and the above described additive comprises about 0.01 wt % to about 3 wt % of the composition.
    Type: Application
    Filed: October 8, 2012
    Publication date: September 25, 2014
    Inventors: Roberto Augustin Guerra Barrena, Roberto Augustin Guerro Guerrero, Brad Wilson, Dorn Schmidt
  • Publication number: 20140261089
    Abstract: An agglomerate is provided that can include an aluminosilicate (ash) base material and one or more of a binding agent or leach reduction agent. Each of the agglomerate and binding agent can include no more than about 25 wt. % cement.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Inventors: Ramon E. Bisque, Kenneth E. Baldrey, Robin M. Stewart, George Rouse, Natalie Caro
  • Publication number: 20140252672
    Abstract: Powder compositions that can be used with traditional 3D printing technology and methods for producing 3D printed building materials that have comparable compressive strength to standard concrete and tensile strength up to 70% greater than standard concrete.
    Type: Application
    Filed: March 5, 2014
    Publication date: September 11, 2014
    Applicant: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventor: Ronald Rael
  • Publication number: 20140245931
    Abstract: Fly ash contaminated with activated carbon is treated to neutralize the activated carbon by placing the contaminated fly ash in a rotary mill and introducing ozone. The result is that entrained air in concrete made from activated fly ash will contain greater than 4 percent entrained air.
    Type: Application
    Filed: March 4, 2013
    Publication date: September 4, 2014
    Applicant: VHSC, LTD.
    Inventor: Clinton Wesley Pike, SR.
  • Publication number: 20140216304
    Abstract: This invention is directed to a process for preparing an additive for cementitious materials, in particular an admixture for paste, grout, mortar and concrete applications as well as a cement additive for cement production by grinding, from a sugar-based material. The process comprises a step of the sugar-based material being subjected to a sulfonation treatment.
    Type: Application
    Filed: May 17, 2011
    Publication date: August 7, 2014
    Applicant: CONSTRUCTION RESEARCH & TECHNOLOGY GMBH
    Inventors: Xiaohui Hou, Tomomi Sugiyama, Jan Kluegge, Akira Ohta
  • Patent number: 8795428
    Abstract: Inorganic polymer compositions and methods for their preparation are described herein. The compositions include the reaction product of a reactive powder, an activator, and optionally a retardant in the presence of water and an aerating agent. The reactive powder includes 85% or greater fly ash. The aerating agent can be a blowing agent, a foaming agent, or a mixture of these. Also described herein are building materials including the compositions.
    Type: Grant
    Filed: October 5, 2012
    Date of Patent: August 5, 2014
    Assignee: Boral IP Holdings (Australia) Pty Limited
    Inventors: Russell L. Hill, Zhaozhou Zhang, Mark Joseph Hollett, Li Ai
  • Patent number: 8747548
    Abstract: Cementitious compositions in which the cementitious properties of fly ash are carefully controlled are described. The cementitious compositions may be substantially free harsh acids and bases such as citric acids (?pH 2.2) and alkali metal activators including alkali hydroxides (?pH 12-14) and metal carbonates (?pH 11.6). The use of these harsh chemicals creates acid base reactions during use of the products. Instead of these harsh chemicals, a lactic acid salt based activator is be used as a reaction accelerator. Boric compounds may be used as a retarder in the compositions.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: June 10, 2014
    Assignee: Ceratech Inc.
    Inventors: Glenn Schumacher, Rajeshkumar Patel
  • Patent number: 8747549
    Abstract: A cementitious mixture for high-volume production of masonry products comprises a hydraulic binder accounting for 20 wt % or more of the cementitious mixture, the hydraulic binder comprising 75 to 100 wt % Class C fly ash with a CaO equivalent content of at least 15% by weight. The cementitious mixture also comprises one or more aggregates, and a set control system.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: June 10, 2014
    Assignee: Calstar Products, Inc.
    Inventors: Kyle Scott Douglas, Dustin Marion Hulbert, Amitabha Kumar, Thomas McClure Pounds, Julie Robyn Rapoport, Michael Alexander Telischak, Susanne Rebecca Williams
  • Patent number: 8747550
    Abstract: The present disclosure provides improved water-repellent admixtures for cementitious materials. The water-repellent admixtures are incorporated during masonry processing to improve the water resistance of the final product. Solid water-repellent admixtures may be conveniently incorporated into pre-blended dry mortar mixes. In some variations, a pre-blended dry mortar mix comprises a cementitious material, an aggregate, and a dry water-repellent admixture, wherein the water-repellent admixture contains one or more materials selected from the group consisting of silanes, siloxanes, free fatty acids, fatty acid derivatives, particulated polymers, and particulated copolymers, and wherein the water-repellent admixture is present in the pre-blended dry mortar mix in a dosage from about 0.01% to about 1.00% by weight of the pre-blended dry mortar mix.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: June 10, 2014
    Assignee: ACM Chemistries, Inc.
    Inventors: Craig T. Walloch, Theodore G. Light, Marshall L. Brown, Matthew J. Oesterle
  • Publication number: 20140150694
    Abstract: The present disclosure relates to the use of an amino alcohol A and/or of a salt of the amino alcohol A as an additive when grinding at least one solid. The amino alcohol A has a structure according to formula I where: R1 and R2, independently of one another, each present an alkanol group including 2-4 carbon atoms, and b) R3 is a hydrocarbon group including 1-8 carbon atoms, and c) R3 is different from R1 and/or R2.
    Type: Application
    Filed: November 26, 2013
    Publication date: June 5, 2014
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Beat MARAZZANI, Christian Bürge, Christophe Kurz, Thomas Müller
  • Publication number: 20140144350
    Abstract: A hydraulic binder containing 25 to 85 wt % of cement clinker, 0 to 7 wt % of CaSO4, a mineral additive(s), and 1 to 10 wt % of a dual setting control system that includes an activator and a retarder, in a weight ratio of activator to retarder, based on the dry substance selected to be greater than 85:15, in particular greater than 90:10, more particularly greater than 95:5, and, in particular, greater than 98:2.
    Type: Application
    Filed: July 9, 2012
    Publication date: May 29, 2014
    Applicant: HOLCIM TECHNOLOGY LTD.
    Inventors: Winnie Matthes, Zarina Castelltort, Thomas Matschei, Moussa Baalbaki
  • Patent number: 8709150
    Abstract: The present invention provides a composition and a process for the preparation of chemical activated cold setting fly ash building construction materials. The chemical activator is an alkaline aqueous solution of 11.2 to 13.6 in pH and 1.25 to 1.40 gm/cc in density which contains admixtures of different concentrations of hydroxyl, sulfate, acetate and chloride bearing chemical salts of calcium, magnesium, sodium, potassium and aluminum in water medium. The reaction of chemical activator solution and the mineral constituents of fly ash mix develop binding property. The binding matrix of chemical activated fly ash mix is mostly hydrous silica and silicate group of phases which on setting under atmospheric condition attains strength suitable for building construction application. Utilization of fly ash of any source by weight ranges from 80 to 99% in manufacture of building materials including heat and acid resistance and toxic waste disposal products.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: April 29, 2014
    Assignee: Council of Scientific & Industrial Research
    Inventors: Bandshidhar Nayak, Barada Kanta Mishra, Snehasis Behera, Rajeev, Vimal Kumar
  • Publication number: 20140076203
    Abstract: A hardening accelerator for mineral binders including an amino alcohol A and/or of a salt of said amino alcohol A, for example, cementitious binders, is provided. The amino alcohol A has a structure according to formula (I) where a) R1 and R2, independently of one another, each represent an alkanol group including 3-4 carbon atoms, b) R3 is an organic group including 1-8 carbon atoms, and c) R3 is different from R1 and/or R2.
    Type: Application
    Filed: November 26, 2013
    Publication date: March 20, 2014
    Applicant: SIKA TECHNOLOGY AG
    Inventors: Beat MARAZZANI, Christian Bürge, Christophe Kurz, Gilbert Mäder
  • Publication number: 20140060388
    Abstract: Ultra-high-performance cementitious materials are made using suitably functionalized and relatively low-cost carbon nanofibers and graphite platelets. Polyelectrolytes and surfactants are physisorbed upon these graphite nanomaterials in water, and dispersion of nanomaterials in water is achieved by stirring. Stable and well-dispersed suspensions of nanomaterials in water are realized without using energy-intensive and costly methods, and also without the use of materials which could hinder the hydration and strength development of ultra-high-performance cementitious materials. The water incorporating dispersed nanomaterials is then mixed with the cementitious matrix and, optionally, microfibers, and cured following standard concrete mixing and curing practices. The resulting cementitious materials incorporating graphite nanomaterials and optionally microfibers offer a desired balance of strength, toughness, abrasion resistance, moisture barrier attributes, durability and fire resistance.
    Type: Application
    Filed: August 31, 2012
    Publication date: March 6, 2014
    Applicant: METNA CO
    Inventors: Muhammad Maqbool Sadiq, Anagi Manjula Balachandra, Parviz Soroushian
  • Patent number: 8657953
    Abstract: A cementitious material manufactured by a process including adding, after pyroprocessing, at least one desugared molasses to at least one cementitious and/or pozzolanic material during manufacture of the at least one cementitious and/or pozzolanic material. A method of manufacturing a cementitious material including adding, after pyroprocessing, at least one desugared molasses to at least one cementitious and/or pozzolanic material during manufacture of the at least one cementitious and/or pozzolanic material.
    Type: Grant
    Filed: June 21, 2012
    Date of Patent: February 25, 2014
    Assignee: Construction Research & Technology GmbH
    Inventors: Stephen A. Farrington, Madalina A. Stefan
  • Publication number: 20140047999
    Abstract: Process for production of acid and high temperature resistant cement composites, where the matrix is alkali activated F fly ash alone, F Fly ash combined with ground slag or ground slag alone. F-fly ash produces lower quality alkali activated cement systems. On the other hand the lack of calcium oxide results in very high resistance to medium and highly concentrated inorganic or organic acids. The high strength and low permeability of pure F-fly ash cement systems is achieved by using in the composition un-densified silica fume, the amorphous silicone dioxide obtained as by products in production of ferro-silicones. Precipitated nano-particle silica made from soluble silicates and nano-particle silica fume produced by burning silicon tetra chloride in the hydrogen stream.
    Type: Application
    Filed: November 14, 2011
    Publication date: February 20, 2014
    Inventor: Ivan Ràzl
  • Patent number: 8652250
    Abstract: A composition used for high-strength impermeable concrete. The composition contains sand, stone, cement, water reducer, water and reinforced impermeable sand. The reinforced impermeable sand includes aeolian sand and binder covering the surface of the aeolian sand. The reinforced impermeable sand can fill the gap between the sand and the stone, and well combine various components in the composition, and suppress the seepage phenomenon of the molded concrete, thereby greatly improving the strength and impermeability of the concrete.
    Type: Grant
    Filed: September 9, 2010
    Date of Patent: February 18, 2014
    Inventors: Shengyi Qin, Yihai Jia, Zhenbang Wang, Huan Wang, Wenxing Hu
  • Patent number: 8652249
    Abstract: A method of producing cementitious mixtures containing fly ash as one of the cementitious components, under air entrainment conditions is described. The method involves forming a mixture comprising water, cement, fly ash, optionally other cementitious materials, aggregate, conventional chemical admixtures, and an air entrainment agent and agitating the mixture to entrain air therein. Additionally, at least one amine sacrificial agent is included in the mixture. The cementitious mixtures and hardened concretes resulting from the method and fly ash treated with sacrificial agent, or air entrainment agent/sacrificial agent combinations, are also described.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: February 18, 2014
    Assignee: Ruetgers Polymer Ltd.
    Inventors: Zhaozhou Zhang, Russell L. Hill, Brian Shaw
  • Publication number: 20140041552
    Abstract: The present invention relates to a new class of chemical admixtures for hydraulic cement compositions and methods of preparing same. The admixtures, which include complexes of metals with one or more hydroxycarboxylic acids and/or derivatives of hydroxycarboxylic acids, improve at least the following properties of cement compositions: hardness, compressive strength, shrinkage, and freeze-thaw resistance. Hydraulic cement compositions that may be improved with the chemical admixtures include pastes, mortars, grouts and concretes, all of which may be made from ordinary Portland cement, blended cements, or non-Portland cements made with Supplementary Cementitious Materials.
    Type: Application
    Filed: September 24, 2013
    Publication date: February 13, 2014
    Inventor: IQBAL GILL
  • Patent number: 8648120
    Abstract: The present invention provides a liquid rheology modifier containing compounds (A) and (B) selected from combination (1) of compound (A) selected from cationic surfactants and compound (B) selected from anionic aromatic compounds and combination (2) of compound (A) from cationic surfactants and compound (B) selected from brominated compounds; and dicarboxylic acid (C).
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: February 11, 2014
    Assignee: Kao Corporation
    Inventors: Koji Koyanagi, Hotaka Yamamuro, Toshiharu Kojima
  • Publication number: 20140034314
    Abstract: Methods and compositions for cementing are disclosed. Embodiments include a method of cementing comprising: providing a set-delayed cement composition comprising water, pumice, hydrated lime, a primary set retarder, a secondary set retarder; activating the set-delayed cement composition to produce an activated cement composition; introducing the activated cement composition into a subterranean formation; and allowing the activated cement composition to set in the subterranean formation.
    Type: Application
    Filed: October 8, 2013
    Publication date: February 6, 2014
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Samuel J. Lewis, Kyriacos Agapiou, Peter James Boul, Pauline Akinyi Otieno, Thomas Jason Pisklak, Lance Everett Brothers
  • Publication number: 20140014005
    Abstract: A dry papercrete mix is formed by preparing a wet pulp of fiber material such as newsprint and sharp sand by mixing sand, fiber material and water in a batch or continuous mixer, drying the pulp to a moisture content below that which will cause a reaction with Portland cement and adding additional sand and/or pumice and Portland cement. The resulting dry mix can then be handled, stored and used in the manner which is conventional for concrete. The dry papercrete mix can also be applied by pouring the dry papercrete mix into a form in a dry state and injecting water into the dry mix until the mix is sufficiently wetted without mixing in the manner common for concrete. Structural modules and a technique for joining them into a structure are particularly appropriate to the use of dry application papercrete.
    Type: Application
    Filed: July 10, 2013
    Publication date: January 16, 2014
    Inventor: James Robert Brock
  • Patent number: 8628713
    Abstract: An inorganic board contains, in a solid content ratio, 30 to 70 mass % of hydraulic material, 5 to 15 mass % of reinforcing fiber, and 1 to 30 mass % of wollastonite having a wet volume (after being allowed to stand for 30 minutes) of 15 to 45 ml. Also, a method includes: step of producing a slurry containing hydraulic material, reinforcing fiber, and wollastonite; step of producing a sheet by dehydrating the slurry; and step of pressing and curing the sheet; wherein, in the step of producing a slurry, a composition of the slurry is set so as to contain, in a solid content ratio, 30 to 70 mass % of hydraulic material, 5 to 15 mass % of reinforcing fiber, and 1 to 30 mass % of wollastonite having a wet volume (after being allowed to stand for 30 minutes) of 15 to 45 ml.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: January 14, 2014
    Assignee: Nichiha Corporation
    Inventors: Satoshi Ikeda, Yusuke Omori
  • Patent number: 8617307
    Abstract: The present invention relates to an alkali-activated binder which can be used as a binder for replacing cement, and more particularly, to an alkali-activated binder, and to mortar, concrete, concrete products, and wet loess paving material comprising the binder, in which inorganic sodium-free alkaline materials are contained to reduce the total amount of Na2O and K2O in concrete, thus improving the workability and the strength stability and inhibiting the alkali-aggregate reaction.
    Type: Grant
    Filed: January 29, 2010
    Date of Patent: December 31, 2013
    Assignee: Industry Foundation of Chonnam National University
    Inventors: Jin Kyu Song, Keun Hyeok Yang
  • Patent number: 8617308
    Abstract: A cementitious mixture for high-volume production of masonry products comprises a hydraulic binder accounting for 20 wt % or more of the cementitious mixture, the hydraulic binder comprising 75 to 100 wt % Class C fly ash with a CaO equivalent content of at least 15% by weight. The cementitious mixture also comprises one or more aggregates, and a set control system.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: December 31, 2013
    Assignee: Calstar Products, Inc.
    Inventors: Kyle Scott Douglas, Dustin Marion Hulbert, Amitabha Kumar, Thomas McClure Pounds, Julie Robyn Rapoport, Michael Alexander Telischak, Susanne Rebecca Williams