Water Settable Inorganic Compound As Nonreactive Material Patents (Class 524/2)
  • Patent number: 11912623
    Abstract: A fluidized solidified soil based on gold tailings includes the following raw materials in parts by mass: 75 parts to 80 parts of gold tailings, 5.2 parts to 13 parts of a dispersant solution, and 9 parts to 16 parts of a solidifying material. A preparation method includes the following steps: mixing the gold tailings with the dispersant solution, and then stirring to obtain a suspension slurry of the gold tailings; and adding the solidifying material, and stirring to obtain the fluidized solidified soil. In the present disclosure, the gold tailings are used as a main material, combined with a special dispersant solution and a special solidifying material, and a fluidized solidified soil is prepared with fluidity suitable for pumping and a certain strength after hardening. The fluidized solidified soil prevents the pollution caused by gold tailings landfilling, and can be used as a filling material for various construction projects.
    Type: Grant
    Filed: May 12, 2023
    Date of Patent: February 27, 2024
    Assignees: WUHAN INSTITUTE OF TECHNOLOGY, The College of Post and Telecommunication of WIT
    Inventors: Zunqun Xiao, Caiyun Xu, Fuqi Wang, Jian Lin, Hui Wang, Zhentao Lv, Yanbin Chang, Haitao Liu, Yinlei Shi, Keqi Luo, Minghui Deng, Puyu Li, Yuepeng Zheng
  • Patent number: 11780738
    Abstract: An aqueous suspension including 5 to 65 wt. % of calcium hydroxide, wherein at least 50 wt. % of the calcium hydroxide is present in the form of nanoparticles, and at least one compound for stabilizing the suspension. The aqueous suspension accelerates the setting of mineral binder compositions without adversely affecting the processing properties of the composition.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: October 10, 2023
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Patrick Juilland, Emmanuel Gallucci, Denise Schönenberger, Luis Pegado, Lukas Frunz, Arnd Eberhardt
  • Patent number: 11733153
    Abstract: Disclosed is a method for evaluating environmental erosion of thaumasite in tunnel concrete, including: acquiring natural corrosion action parameters and environmental influence action parameters, and evaluating a natural corrosion situation based on the natural corrosion action parameters to obtain an initial evaluation result; and modifying the initial evaluation result based on the environmental influence action parameters to obtain a target evaluation result.
    Type: Grant
    Filed: February 27, 2023
    Date of Patent: August 22, 2023
    Assignee: RESEARCH INSTITUTE OF HIGHWAY MINISTRY OF TRANSPORT
    Inventors: Xuefeng Li, Hualao Wang
  • Patent number: 11434409
    Abstract: Compositions and methods for plugging a zone of a subterranean formation includes a cement composition having an acid soluble cement, a low molecular weight polymer, a high molecular weight polymer, and water. The acid soluble cement is in amount in a range of 10% to 50% by weight of the composition.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: September 6, 2022
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventor: Abdullah M. Al-Dhafeeri
  • Patent number: 11312659
    Abstract: The invention discloses a calcium-alumino-silicate-hydrate nano-seeds suspension and preparation method thereof. The preparation method of calcium-alumino-silicate-hydrate nano-seeds suspension includes the following steps: dropwise adding the aqueous solution of calcium source, the aqueous solution of silicon source and the aqueous solution of aluminum source to the solution of polycarboxylate superplasticizer, and adjusting the pH value to 10.0˜13.5, and continuously stirring to obtain the calcium-alumino-silicate-hydrate nano-seeds suspension. The beneficial effect in the present invention is: the calcium-alumino-silicate-hydrate nano-seeds has small particle size, good dispersion stability, and it can effectively improve the early hydration and mechanical performance of cement-based materials, and has good application prospects; the preparation process is simple, without washing, drying, ultrasonic dispersion and other subsequent processes, suitable for large-scale production.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: April 26, 2022
    Assignee: WUHAN UNIVERSITY OF TECHNOLOGY
    Inventors: Fazhou Wang, Chuanlin Hu, Fubing Zou, Shuguang Hu, Mai Zhang
  • Patent number: 11111178
    Abstract: Cementitious compositions comprising a hydraulic cementitious material, a compound selected from the group consisting of a polyhydroxy aromatic compound, a polycarboxylic acid-containing compound or a salt thereof, ascorbic acid or a salt thereof, or a combination thereof, and a particulate material or a water soluble silicate-containing material that interacts with the compound are described herein. The polyhydroxy aromatic compound can be a water soluble compound having from two to thirty hydroxyl groups. The particulate material can exhibit a particle size distribution, wherein at least about 90% by weight of the particles have a diameter of less than 2 mm. Suitable particulate materials include nanoparticles and microparticles. The cementitious compositions can be used to form building materials. The cementitious compositions are especially suited for inhibiting corrosion of reinforcing steel bars embedded in concrete mixtures. Methods of making and using the cementitious composition are also disclosed.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: September 7, 2021
    Assignee: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ALABAMA
    Inventor: Jialai Wang
  • Patent number: 11041108
    Abstract: A variety of systems, methods and compositions are disclosed, including, in one method, a method of cementing may comprise: providing a cement composition comprising: a hydraulic cement comprising Portland cement in an amount of about 50% by weight of hydraulic cement or less, water, and a phosphorylated amino polycarboxylic acid cement retarder; placing the cement composition in a wellbore; and allowing the cement composition to set. A cement composition, the composition comprising: a hydraulic cement comprising Portland cement in an amount of about 50% by weight of hydraulic cement or less; water; and a phosphorylated amino polycarboxylic acid cement retarder.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: June 22, 2021
    Assignee: HALLIBURTON ENERGY SERVICES INC.
    Inventors: Thomas Jason Pisklak, Aaron Michael Beuterbaugh, Aleksey V. Kolasnikov
  • Patent number: 11015057
    Abstract: Dual cure compositions include a combination of an organoborane complex and a radical oxidizing agent as co-catalysts. The compositions are curable under dark conditions and can be used to catalyze thiol-ene reactions. The compositions are useful as sealants.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: May 25, 2021
    Assignee: PRC-DeSoto International, Inc.
    Inventors: Chandra Rao, Renhe Lin
  • Patent number: 10934399
    Abstract: A method for producing a polymer latex, including an emulsification step of emulsifying a polymer solution obtained by dissolution of synthetic polyisoprene and/or a styrene-isoprene-styrene block copolymer having a molecular weight distribution of 1.0 to 2.6 in an organic solvent, in water in the presence of a surfactant, to thereby obtain an emulsified liquid, wherein as the synthetic polyisoprene and/or styrene-isoprene-styrene block copolymer, used are/is synthetic polyisoprene and/or a styrene-isoprene-styrene block copolymer which, when dissolved in an organic solvent to thereby be formed into a polymer solution having a viscosity at a temperature of 60° C. of 20,000 cps, have/has a solid content concentration in the range of 10 to 60% by weight.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: March 2, 2021
    Assignee: ZEON CORPORATION
    Inventors: Hidetake Ishii, Junji Kodemura
  • Patent number: 10865142
    Abstract: A method of manufacturing a cementitious composition comprising: dispersing expanded polymeric microspheres into a liquid dispersion, optionally wherein the liquid dispersion comprises an aqueous dispersion; and incorporating the liquid dispersion comprising expanded polymeric microspheres into the cementitious composition; wherein the expanded polymeric microspheres are present in the liquid dispersion in an amount of about 0.1 to about 15 percent by weight, based on the total weight of the dispersion, prior to incorporation into the cementitious composition. An admixture for cementitious compositions comprising unexpanded polymeric microspheres and sodium hydroxide.
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: December 15, 2020
    Assignee: Construction Research & Technology GmbH
    Inventors: Frank Shaode Ong, Rick Paponetti, James C. Smith, Stefan Muessig
  • Patent number: 10801114
    Abstract: The present invention relates to a process for the protection against corrosion of an article, comprising the steps of (a) application of a layer of a corrosion protecting composition comprising (i) an amorphous polymer composition comprising an amorphous polymer having a glass transition temperature of ?20° C. or less and (ii) a water-absorbing filler, on a surface of the article, and (b) application of a mechanical protective layer on top of the layer of said corrosion protecting composition, wherein the article is in a wet environment. The invention further relates to a corrosion protecting composition and to a tape comprising a layer comprising a corrosion protecting composition according to the invention. The invention also relates to an article, comprising (a) a layer of a corrosion protecting composition according to the invention on a surface of the article, and (b) a mechanical protective layer to protect said layer of said composition.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: October 13, 2020
    Assignee: Frans Nooren Afdichtingssystemen B.V.
    Inventors: Franciscus Petrus Marie Nooren, Jan Frederik Doddema, Hindrik Harm Broesder
  • Patent number: 10533066
    Abstract: Disclosed is a block copolymer including: at least one block A not including any phosphonate group, and including at least one poly(alkylene oxide) group and at least one block B obtained by polymerization of a monomer B1 or of a mixture of monomers with ethylenic unsaturation including at least one monomer B1, wherein a monomer B1 is a monomer with ethylenic unsaturation including at least one phosphonate function, to its preparation method by RAFT controlled radical polymerization and to its uses.
    Type: Grant
    Filed: August 27, 2015
    Date of Patent: January 14, 2020
    Assignee: CHRYSO
    Inventors: Lucia Ferrari, Frederic Leising
  • Patent number: 10370566
    Abstract: The present invention relates generally to wall repair compounds such as joint compounds, spackling compounds, and the like used to repair imperfections in walls or fill joints between adjacent wallboard panels. Particularly, the present invention relates to such a wall repair compound comprising a dust reducing additive that reduces the quantity of airborne dust generated when the hardened compound is sanded. The dust reducing additive also imparts adhesion to the wall repair compounds to which it is added, for example to a joint compound. The dust reducing additive comprises microcrystalline-wax based emulsion.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: August 6, 2019
    Assignee: Henry Company, LLC
    Inventors: Amba Ayambem, Daniel Kent
  • Patent number: 10364369
    Abstract: The present invention relates generally to wall repair compounds such as joint compounds, spackling compounds, and the like used to repair imperfections in walls or fill joints between adjacent wallboard panels. Particularly, the present invention relates to such a wall repair compound comprising a dust reduction additive that reduces the quantity of airborne dust generated when the hardened compound is sanded and also exhibits improved adhesive properties. The dust reduction additive also imparts adhesion to the wall repair compounds to which it is added, for example to a joint compound. The dust reduction additive is a powder prepared from colloidally-protected, wax-based microstructure dispersions.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: July 30, 2019
    Assignee: Henry Company, LLC
    Inventor: Amba Ayambem
  • Patent number: 10294355
    Abstract: Methods of producing hybrid polymer emulsions by incorporating a vinyl acetate-ethylene copolymer dispersion as the seed for subsequent polymerization of an acrylic and/or methacrylic monomer mixture are described. In certain embodiments, new particle formation is observed. Also described are the resulting polymeric products. And hybrid polymer emulsions formed from the methods with pressure sensitive adhesion performance are also described.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: May 21, 2019
    Assignee: Avery Dennison Corporation
    Inventor: Xiaochuan Hu
  • Patent number: 10150702
    Abstract: The present invention relates to a process for preparing control agents for applications in the petroleum field, where a polymer bearing —OH, amine and/or amide functions, which is in the form of a divided solid, is reacted with at least one crosslinking agent bearing at least two —R groups capable of reacting with the —OH, amine or amide groups, under conditions where said polymer remains in solid form and where said crosslinking agent is at least partly in vapor form, The invention also relates to the control agents obtained in solid form according to this process, and also to the mixtures of these solid agents with other additives, which can be used in particular for the preparation of cement grout for oil extraction.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: December 11, 2018
    Assignee: RHODIA OPERATIONS
    Inventor: Arnaud Cadix
  • Patent number: 10047009
    Abstract: A cement mortar composition comprising a water-soluble cellulose ether, a starch derivative originating from tapioca, cement, an aggregate, and water has advantages including a less change of flow with time, easy application with a trowel, a short setting time, and a reduction of construction time.
    Type: Grant
    Filed: February 28, 2017
    Date of Patent: August 14, 2018
    Assignee: SHIN-ETSU CHEMICAL CO., LTD.
    Inventors: Hidekazu Konishi, Tsutomu Yamakawa
  • Patent number: 10023783
    Abstract: The present invention relates to methods of cementing, for example, an oil or gas well. The method may involve pumping a suspension of a filler mixture and at least about 5 weight percent of a thermosetting resin based on the total weight of resin and filler mixture. Advantages may include superior properties and reliability as compared to conventional cementing operations often involving Portland cement.
    Type: Grant
    Filed: February 15, 2013
    Date of Patent: July 17, 2018
    Assignee: Pumprock, LLC
    Inventor: Ruchir M Shanbhag
  • Patent number: 10005695
    Abstract: The invention relates to a composition comprising 5-50 wt % of calcium silicate hydrate, 10-60 wt % of at least one water-soluble, acid group-containing polymer comprising polyether groups, and 5-40 wt % of at least one polyalkylene glycol ether. Further disclosed is a process for preparing this composition, and cementitious mixtures comprising the composition. A further aspect of the present invention is the use of the composition of the invention in cementitious mixtures for accelerating the development over time of the dispersing action of the acid group-containing polymer after addition of the mixing water and a subsequently accelerated curing of the mixture.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: June 26, 2018
    Assignee: BASF SE
    Inventors: Manfred Bichler, Torben Gädt, Niklas Loges, Oliver Mazanec, Christoph Hesse
  • Patent number: 9988307
    Abstract: The present invention provides two-component compositions comprising a component A) one or more acrylic aqueous emulsion copolymer having a measured glass transition temperature (Tg) of from ?20 to 0° C. and which is the copolymerization product of (i) from 60 to 89.9 wt. % of one or more nonionic (meth)acrylic monomers, (ii) from 10 to 40 wt. % of one or more vinyl aromatic monomers, (iii) from 0.1 to 2.0 wt. % of one or more monomers chosen from itaconic acid, methacrylic acid, amides of a,?-unsaturated C3 to C6 carboxylic acids, and mixtures thereof, all wt. %s of monomers based on the total monomer solids, wherein the aqueous emulsion copolymer has at least one residue of an ascorbic acid reducing agent or is the copolymerization product of a monomer (iii) comprising itaconic acid, and, a separate component B) comprising a fast curing dry mix powder composition of a hydraulic cement and a high alumina content cement.
    Type: Grant
    Filed: June 10, 2015
    Date of Patent: June 5, 2018
    Assignees: Rohm and Haas Company, Dow Global Technologies LLC
    Inventors: Jennifer Lowe, Margarita Perello, Marc Schmitz, Jouko Vyoerykkae
  • Patent number: 9902650
    Abstract: Construction castable material with controllable flow or slump comprising (a) a binder comprising fly ashes comprising from 1.5% to 35% by weight of CaO and a Lost on Ignition (LOI) value from 0.5% to 5.5% by weight, representing from 10% to 60% of the binder weight and ground granulated blast furnace slag comprising from 40% to 70% by weight of CaO and from 30 to 60% by weight of SiO2, representing from 40% to 90% of the binder weight, (b) an activator comprising alkaline reagents selected from the group composed by water glass, preferably in solution with 30 to 50% by weight solid content, sodium metasilicates and sodium hydroxide, (c) sand, fine and coarse aggregates and (d) organic acids or conjugated salts of organic acids in a dosage from 0.001% to 3% by weight with respect to the binder.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: February 27, 2018
    Assignee: CEMEX RESEARCH GROUP AG
    Inventors: Alexander Guerini, Carlos Escott Perez
  • Patent number: 9803053
    Abstract: The invention concerns a polycondensate containing (I) at least a structural unit, which is an aromatic moiety bearing a polyether side chain comprising 9 to 41 alkylene glycol units, (II) at least a structural unit, which is an aromatic moiety bearing at least one phosphoric acid ester group and (III) at least a methylene unit (—CH2—), the polycondensate having a polycondensation degree of 10 to 75. Also concerned are building material mixtures containing said polycondensates and the use as dispersant for inorganic binders.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: October 31, 2017
    Assignee: Construction Research & Technology, GmbH
    Inventors: Alexander Kraus, Joachim Dengler, Torben Gädt, Sandro Moro, Juergen Bokern, Anil Bendale, Nicolas Moins, Nicoletta Zeminian
  • Patent number: 9650298
    Abstract: The invention concerns a process for the for the preparation of a hardening accelerator composition by reaction of a water-soluble calcium compound with a water-soluble silicate compound, the reaction being carried out in the presence of an aqueous solution which contains a plasticizer suitable for hydraulic binders, characterized in that said reaction is being carried out in the presence of apatite and that the molar ratio of calcium to phosphor in the hardening accelerator is from 25/1 to 400/1.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: May 16, 2017
    Assignee: Construction Research & Technology GmbH
    Inventors: Luc Nicoleau, Hubert Leitner
  • Patent number: 9440883
    Abstract: Disclosed is a cementitious product, the product comprising a liquid medium, a hydraulic binding agent, a latex polymer and optionally one or more other components, wherein the direct tensile strength of the product as determined by ASTM C307 is at least 120% of a predicted direct tensile strength of the product per an equation selected from the group consisting of f?dt=0.06*f?c, f?dt=0.07*f?c, f?dt=0.08*f?c and f?dt=0.11*f?c, and wherein the the flexural strength of the product as determined by ASTM C348 is at least 150% of a predicted flexural strength of the product per an equation selected from the group consisting of f?r=0.1*f?c, f?r=0.17*f?c, f?r=9.5*((f?c)^0.5) and f?r=7.5*((f?c)^0.5).
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: September 13, 2016
    Inventor: Joshua V. Brien
  • Patent number: 9394201
    Abstract: A calcium sulfoaluminate-based concrete with a permeability of less than 1000 Coulombs. Rapid-setting low chloride-ion permeability calcium sulfoaluminate (CSA) cements and concretes include CSA and a suitable polymer such as a sol-gel derived, organic-inorganic, silica based hybrid coating solutions of polystyrene-butylacrylate polymers containing active silanol groups protected by hydroxyl groups containing polyalcohol, or other polymers. Such polymers may be added as powders or as liquid in the finish mill. Other rapid-setting low chloride-ion permeability (CSA) cements and concretes include CSA with selected particle size distributions, and do not require use of any polymer. These CSA cements and concretes have low chloride-ion permeability, high early strength, fast setting times, low-shrinkage, and high freeze-thaw resistance.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: July 19, 2016
    Assignee: PKL Corporation
    Inventors: Edward K. Rice, Grant M. Kao, Eric P. Bescher
  • Patent number: 9388077
    Abstract: The invention concerns a process for the preparation of a hardening accelerator composition by reaction of a water-soluble calcium compound with a water-soluble silicate compound, said reaction being carried out in the presence of an aqueous solution which contains a water-soluble comb polymer suitable as a plasticizer for hydraulic binders, wherein the water-soluble comb polymer is present as a copolymer which is produced by free radical polymerization in the presence of a phosphorylated monomer and a (meth)acrylic acid ester based polyether macromonomer.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: July 12, 2016
    Assignee: Construction Research & Technology GmbH
    Inventors: Luc Nicoleau, Torben Gädt, Harald Grassl
  • Publication number: 20150148456
    Abstract: The present invention relates to a process for producing solid compositions comprising calcium silicate hydrate and at least one water-soluble polymer with cationic structural units, uncharged structural units and/or anionic structural units containing sulpho groups, wherein an aqueous suspension of the calcium silicate hydrate is contacted with the polymer and the mixture is dried by a drum drying process.
    Type: Application
    Filed: May 27, 2013
    Publication date: May 28, 2015
    Inventors: Diana Eissmann, Jutta Karin Langlotz, Stefan Friedrich, Christoph Hesse
  • Publication number: 20150148455
    Abstract: The invention relates mainly to a polymer comprising a hydrocarbon-based main chain bearing carboxylic groups and polyalkoxylated chains and up to 4% by weight of anti-oxidant groups, relative to the weight of the final polymer, grafted to the main chain. It also relates to a method for preparing such a polymer and to an admixture which is of use as a plasticizer of suspensions of mineral particles comprising same. Finally, it is related to the use of such a polymer for fluidifying suspensions of mineral particles and reducing the water demand of hydraulic compositions.
    Type: Application
    Filed: August 9, 2012
    Publication date: May 28, 2015
    Applicant: CHRYSO
    Inventors: Alexandre Desseroir, Philippe Maitrasse, Marc Lemaire, Florence Popowycz, PIERRE Labourt-Ibarre
  • Publication number: 20150141551
    Abstract: The present invention concerns aqueous slurries with improved rheo logical stability under increased temperature. The slurries comprise a calcium carbonate containing material and at least one comb polymer.
    Type: Application
    Filed: July 10, 2013
    Publication date: May 21, 2015
    Inventors: Samuel Rentsch, Matthias Buri, Patrick A.C. Gane
  • Publication number: 20150119501
    Abstract: This invention encompasses asphalt cement emulsions, as well as methods for preparing a pre-treated rubber-modified asphalt cement emulsions and methods for coating industrial surfaces using asphalt cement emulsions.
    Type: Application
    Filed: December 31, 2014
    Publication date: April 30, 2015
    Inventor: Theodore P. Flanigan
  • Publication number: 20150114265
    Abstract: The invention relates to a method of making a particulate material comprising; providing mineral wool base material in a form having size at least 80% not more than 40 mm, subjecting the mineral wool base material to sintering by use of a pulse combustor and thereby forming a particulate material in the form of particles having size at least 80% not more than 20 mm. An apparatus for carrying out the method comprises means for size reduction of coherent mineral wool substrate and a reaction chamber in communication with a pulse combustor.
    Type: Application
    Filed: October 31, 2014
    Publication date: April 30, 2015
    Inventors: Jean Marie Wilhelmus Cuypers, Andreas Leismann, Stuart Lambie
  • Publication number: 20150099409
    Abstract: A cement board includes grain material, sand grains, fiber material, fiber glass, cement, plastic cement, glue, and ammonium dichromate. The grain material includes aluminum silicate grain, bones, shells, dry stall pumice, perlite, coral, and coal ash. The fiber material includes straws, hemp, reeds, bamboo tree, plastic threads, and chaffs processed with wood preservative and fire deterrant. The the grain material, the fiber material, the fiber glass, the cement, the plastic cement, the glue, and the ammonium dichromate are mixed substantially evenly and formed into a board. The ratio of the cement and the plastic cement to the grain material, the sand grains, and the fiber material may be about 10% to 20%. The ratio of the cement to the plastic cement may be about 50% of both in total. The volume ratio of the grain material to the fiber material may be about 50% to 70% of both in total.
    Type: Application
    Filed: October 3, 2013
    Publication date: April 9, 2015
    Inventor: Daniel KIM
  • Patent number: 8992680
    Abstract: A fast hydraulic binder comprising cement, at least one first superplasticizer, a calcium salt, and at least one second superplasticizer different from the first superplasticizer and comprising a main chain and pendant groups connected to the main chain adapted so as to separate from the main chain in a basic medium, wherein the result is that the second plasticizer has a fluidifying action which increases at least temporarily over time in a basic medium.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: March 31, 2015
    Assignee: LAFARGE
    Inventors: Serge Sabio, David Rinaldi, Jean-Michel Laye, Isabelle Sgro, Horacio Naranjo, Bruno Pellerin, Pascal Boustingorry
  • Publication number: 20150083026
    Abstract: The present invention concerns a process for preparing self-binding pigment particles from an aqueous suspension of a calcium carbonate containing material, wherein an anionic binder and at least one cationic polymer are mixed with the suspension.
    Type: Application
    Filed: April 29, 2013
    Publication date: March 26, 2015
    Inventors: Daniel Gantenbein, Patrick A.C. Gane, Joachim Schoelkopf, Maximilian Laufmann, Lars Andersson
  • Patent number: 8987356
    Abstract: A composition that sets to produce a concrete includes Portland cement; a polymerizable material having bubbles dispersed in the polymerizable material; an aggregate; and water in a sufficient amount such that the composition sets to a concrete. A method for making a concrete article uses a paste that includes Portland cement and a polymerizable material having bubbles dispersed in the polymerizable material. The paste is added to an aggregate to create a settable composition, and the settable composition is allowed to set to a concrete article.
    Type: Grant
    Filed: October 14, 2014
    Date of Patent: March 24, 2015
    Assignee: Quadroc, LLC
    Inventor: Shubel Hudson Owen
  • Patent number: 8969439
    Abstract: The invention provides a method of agglomeration (10) which has the steps of mixing a feedstock (12) of small particles which have an average particle size of 3 mm or less with a binder (14) which is in the form of a polyvinyl alcohol in the form of an aqueous polyvinyl alcohol solution in a first blender (16) to form a binder mixture (18), reacting a gelling agent (20) with the feedstock and the binder and processing the binder mixture to deliver an agglomerate (22).
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: March 3, 2015
    Assignee: Enviroserv Waste Management Limited
    Inventor: Michael Windsor Symons
  • Patent number: 8962713
    Abstract: A method includes using copolymers including at least polyoxyalkylenated monomer units and at least phosphorus-comprising monomer units as water-reducing agent in hydraulic binders.
    Type: Grant
    Filed: March 23, 2010
    Date of Patent: February 24, 2015
    Assignee: Continental Building Products LLC
    Inventors: Jean-Michel Faure, Olivier Watt, David Rinaldi, Hakimi Yahiaoui
  • Publication number: 20150041098
    Abstract: A printable refractory material is provided having a liquid and powder component configured for use in a 3-D powder printer, where the material forms hydraulic bonds when the liquid and powder components are combined. Methods of printing the refractory material and forming castings therefrom are also provided.
    Type: Application
    Filed: August 6, 2014
    Publication date: February 12, 2015
    Inventors: Daniel S. McGuire, Eric E. Hellmstrom, Charles M. Olson
  • Patent number: 8937118
    Abstract: Various building materials constructed from different recycled components are provided. Such materials include boards, bricks, and the like, and exhibit differing levels of tensile strength, heat resistance, and other physical and chemical properties. The capability of introducing varied collected items, including paper, paperboard, clothing fibers, wood chips and strips, raffia bags, used engine oil, etc., and produce a resilient and dimensionally stable building material is presented herein. Replacement of timber and concrete is permitted with such a new material based upon renewable resources. The method of production and use of such materials is encompassed herein as well.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: January 20, 2015
    Inventor: Ahmed Maher Ghalayini
  • Publication number: 20150011682
    Abstract: Lime-free admixture compositions comprise a combination of emulsifiers, toughening resins/plasticizers, adhesive resins, pumping aids for providing lubrication, rheology controllers, water retention agents, water repellents/overcoat finishes, accelerators, water reducers and air entraining agents. The lime-free admixture compositions are total replacements for lime. The lime-free admixture compositions are non-corrosive, making them safe to use by workers and they have rheological properties that make them suitable for use in various applications including concrete, mortars, grouts and stuccos (renders).
    Type: Application
    Filed: March 21, 2014
    Publication date: January 8, 2015
    Inventor: Van Dyke Garner
  • 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
  • Publication number: 20140373757
    Abstract: The present invention relates to a composition comprising hedgehog shaped particles, at least one binder, and at least one hydrophobizing agent and/or at least one hydrophilizing agent, a method for controlling the wettability of substrate surfaces using these compositions, as well as a material comprising these compositions.
    Type: Application
    Filed: February 4, 2013
    Publication date: December 25, 2014
    Inventors: Joachim Schoelkopf, Hans-Joachim Weitzel
  • Publication number: 20140345866
    Abstract: Light to ultra-light cement compositions with modified rheological properties. The cement composition includes cement, hydrophobic nano-silica, at least one additive and a sufficient amount of water to make a cement slurry with high compressive strength, low porosity, low free water, and low fluid loss with a quick thickening time.
    Type: Application
    Filed: August 6, 2014
    Publication date: November 27, 2014
    Applicant: Research Institute of Petroleum Industry
    Inventors: Hamid Soltanian, Ali Reza Mortazavi, Mohammad Javad Modjtahedi, Mahmoud Reza Badamaki, Ali Mesbah, Ali Reza Khoshniyat, Mohammad Reza Kamali
  • Patent number: 8895641
    Abstract: Disclosed herein are an asphalt concrete mixture, an asphalt binder composition, and methods of preparing the related compositions. The asphalt binder compositions include a polyphosphoric acid, a macromolecular polymer having a saturated backbone with macromolecular modifications, sulfur, and non-surfactant additives based on wax chemistry. The compositions are capable of being performance graded and being used in warm mix asphalt applications.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: November 25, 2014
    Assignee: Saudi Arabian Oil Company
    Inventors: Milind M. Vaidya, Anwar H. Khawajah, Rashid M. Othman, Laurand Lewandowski
  • Publication number: 20140336305
    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: Application
    Filed: November 30, 2012
    Publication date: November 13, 2014
    Applicant: CIMENTS FRANCAIS
    Inventors: Melanie Shink, Abdelghafour Ait Alaiwa
  • Patent number: 8883907
    Abstract: Cement-free aqueous polymer dispersion comprising calcium silicate hydrate.
    Type: Grant
    Filed: February 4, 2013
    Date of Patent: November 11, 2014
    Assignee: BASF SE
    Inventors: Bogdan Moraru, Kristin Schmidt
  • Publication number: 20140326455
    Abstract: Methods and compositions for treating a subterranean formation with salt-tolerant cement slurries including treating a salt-containing subterranean formation having sodium salts, potassium salts, magnesium salts, calcium salts, or any combination thereof comprising: providing a salt-tolerant cement slurry comprising: a base fluid, a cementitious material, a pozzolanic material, a salt-tolerant fluid loss additive, a salt additive, and optionally, an elastomer, a weight additive, a fluid loss intensifier, a strengthening agent, a dispersant, or any combination thereof; introducing the salt-tolerant cement slurry into the subterranean formation; and allowing the salt-tolerant cement slurry to set.
    Type: Application
    Filed: September 20, 2013
    Publication date: November 6, 2014
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Krishna M. Ravi, Rahul Chandrakant Patil, Sandip Prabhakar Patil, Sohini Bose, Abhimanyu Deshpande
  • Publication number: 20140318419
    Abstract: Methods and compositions are provided that utilize pumice and various additives. Embodiments provide pumice-containing remedial compositions. One of the pumice-containing remedial composition embodiments comprises pumice; a calcium activator; and water, wherein the pumice-containing remedial composition has a density of less than about 13.5 pounds per gallon, and wherein the pumice-containing remedial composition is free of Portland cement.
    Type: Application
    Filed: December 30, 2013
    Publication date: October 30, 2014
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Jiten Chatterji, D. Chad Brenneis, James R. Benkley
  • Publication number: 20140318784
    Abstract: Methods and compositions are provided that utilize pumice and various additives. An embodiment provides a method of remedial cementing in a subterranean formation comprising: providing a lightweight settable composition comprising pumice, a calcium activator, and water, wherein the lightweight settable composition has a density of less than about 13.5 pounds per gallon and is free of Portland cement; and using the lightweight settable composition in a remedial cementing method to seal one or more voids in a well bore. Also provided are pumice-containing remedial compositions and systems for remedial cementing.
    Type: Application
    Filed: April 30, 2013
    Publication date: October 30, 2014
    Applicant: Halliburton Energy Services, Inc.
    Inventors: Jiten Chatterji, D. Chad Brenneis, James R. Benkley
  • Publication number: 20140299024
    Abstract: Suggested is a novel coated particle of active ingredients with controlled release properties at pH-values from 10 to 14, wherein the active ingredient is selected from one or more construction chemical additives for the control of inorganic binders, characterized in that the coating comprises shellac, a process for its manufacture and the use thereof as an additive for mortars, dry mortars, cement slurries and/or concretes.
    Type: Application
    Filed: November 22, 2012
    Publication date: October 9, 2014
    Inventors: Wolfgang Seidl, Dawid Marczewski, Sascha Raspl, Steffen Wache, Michael Schinabeck, Stefan Friedrich