Patents Examined by Anthony J. Green
  • Patent number: 10815152
    Abstract: The present invention relates to a mixture comprising at least one compound comprising an ?-hydroxy-carboxylic unit, ?-hydroxy-sulfonic acid unit or ?-carbonyl-carboxylic unit and at least one water-soluble organic carbonate. The mixture is useful as a hydration control agent in construction chemical compositions comprising an inorganic binder.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: October 27, 2020
    Assignee: BASF SE
    Inventors: Joachim Dengler, Christoph Hesse, Sebastian Seufert
  • Patent number: 10815157
    Abstract: Calcium carbonate which has an average particle size in the range of from 0.5 to 3 ?m is used in an inorganic mortar system for a chemical fastening of anchors and post-installed reinforcing bars in mineral substrates. The system includes a curable aluminous cement component A and an initiator component B for initiating the curing process. The component A includes at least one blocking agent selected from phosphoric acid, metaphosphoric acid, phosphorous acid and phosphonic acids, at least one plasticizer, and water. The component B includes an initiator, at least one retarder, at least one mineral filler, and water. Moreover, the calcium carbonate increases load values. Further, a method is used for a chemical fastening of anchors and post-installed reinforcing bars in mineral substrates, such as structures made of brickwork, concrete, pervious concrete or natural stone.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: October 27, 2020
    Assignee: Hilti Aktiengesellschaft
    Inventors: Anna Sharmak, Armin Pfeil, Friedlinde Götz-Neunhöffer, Daniel Jansen
  • Patent number: 10807911
    Abstract: Provided is a concrete composition, including: blast furnace slag; at least any one of expansive additive and cement; and water, wherein a unit water content of the water is 130 kg/m3 or less; wherein a content of the cement is 22% by mass or less relative to the blast furnace slag, and wherein a slump flow value of the concrete composition is 40 cm or greater.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: October 20, 2020
    Assignees: SUMITOMO MITSUI CONSTRUCTION CO., LTD., THE UNIVERSITY OF TOKYO, TOKYO UNIVERSITY OF SCIENCE FOUNDATION
    Inventors: Taku Matsuda, Takafumi Noguchi, Manabu Kanematsu
  • Patent number: 10807910
    Abstract: The cementitious material for a radioactive waste disposal facility includes base cement, and porous and amorphous silica powder. The amount of the silica powder in the entire cementitious material ranges from 35% to 65% on a mass basis.
    Type: Grant
    Filed: June 20, 2016
    Date of Patent: October 20, 2020
    Assignees: NIPPON STEEL CEMENT CO., LTD.
    Inventors: Katsuyoshi Kondoh, Hitoshi Kanbara, Tomohiro Kanazawa, Seunghyun Na, Nana Nishikawa
  • Patent number: 10807909
    Abstract: The invention relates to a composition for building construction comprising a paper sludge deriving from de-inked paper recycling processes, the sludge having a grain size distribution D90 in the range of 30 to 1000 ?m and an ingredient selected from the group consisting of modified cellulose, cement, furnace slag and mixtures thereof.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: October 20, 2020
    Assignees: LABORATORI ARCHA S.R.L., PERSONAL FACTORY S.P.A.
    Inventors: Antonio Cecchi, Francesco Vito Tassone
  • Patent number: 10800703
    Abstract: A rapid-setting composition includes fly ash and an activator solution for mixing with the fly ash. The activator solution has a silicate solution including a monovalent hydroxide. The activator solution when mixed with the fly ash produces a composition that has a final set time of no more than about 65 minutes.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: October 13, 2020
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Jeffery Eichler, Kara Griffith, Derek Lovingood, Michael Henley
  • Patent number: 10800704
    Abstract: Fly ash-based geopolymer binders and activating solutions for use in forming a concrete as well as methods for forming concrete including the binders are described. The fly ash-based geopolymer binders include a combination of fly ash, silica fume, and sodium hydroxide as well as an amount of Portland cement. Concretes formed of the binders can exhibit excellent compressive strength and fuel energy characteristics as well as being more cost efficient as compared to other concretes. The inclusion of an amount of Portland cement in the binders can allow for a decrease in sodium hydroxide and silica fume content while maintaining desirable compressive strength characteristics.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: October 13, 2020
    Assignee: University of South Carolina
    Inventors: Paul Henry Ziehl, Lateef Assi
  • Patent number: 10800701
    Abstract: This rapid-hardening cement composition includes: a rapid-hardening admixture; and cement in an amount of 100 parts by mass to 2,000 parts by mass with respect to 100 parts by mass of the rapid-hardening admixture, wherein the rapid-hardening admixture is a composition that contains: calcium aluminate; inorganic sulfate in an amount of 50 parts by mass to 200 parts by mass with respect to 100 parts by mass of the calcium aluminate; and a setting modifier in an amount of 0.1 parts by mass to 10 parts by mass with respect to 100 parts by mass of the calcium aluminate, and an average particle diameter of the calcium aluminate is in a range of 8 ?m to 100 ?m, and an average particle diameter of the setting modifier is in a range of 5 ?m or less.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: October 13, 2020
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kiyoshi Kamitani, Keiji Saitou, Kenji Tokunaga, Hideo Tawara
  • Patent number: 10800706
    Abstract: A drying-type joint compound can comprise: (a) a primary filler at about 50 weight percent (wt %) to about 98 wt % on a dry basis, wherein the primary filler includes one member selected from the group of calcium carbonate, calcium sulfate dihydrate, and talc, and a mixture thereof; (b) a secondary filler at up to about 25 wt % on a dry basis; (c) a binder at about 1 wt % to about 15 wt % on a dry basis; (d) a polymer thickener at about 0.05 wt % to about 3 wt % on a dry basis; (e) a vesicle dedusting agent at about 0.01 wt % to about 10 wt % on a dry basis, wherein the vesicle dedusting agent comprises vesicles; and (f) an additive up to about 10 wt % o on a dry basis; and (g) water at a ratio of water to dry components of about 1:6 to about 3:1.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: October 13, 2020
    Assignee: UNITED STATES GYPSUM COMPANY
    Inventors: Alexander J. Donovan, Salvatore C. Immordino
  • Patent number: 10793471
    Abstract: A composition, in particular a setting accelerator for mineral binders, containing or being made of: a) calcium oxide in the particle form; b) an inhibitor for the reaction of calcium oxide with water and c) optionally water.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: October 6, 2020
    Assignee: SIKA TECHNOLOGY AG
    Inventors: Christian Bürge, Gilbert Mäder, Franz Wombacher
  • Patent number: 10793473
    Abstract: Compositions comprising crosslinked polysaccharides, particularly levan and/or dextran, may provide advantageous benefits when admixed with concrete blends. Suitable compositions may comprise a biologically sourced surfactant, and a crosslinked polysaccharide, in which the crosslinked polysaccharide comprises at least one crosslinking group bonded via ether linkages to a first polysaccharide chain and a second polysaccharide chain. Concrete blends may comprise such compositions, a cement and water. Methods for forming and/or using the concrete blends may comprise allowing the concrete blends to form a hardened mass.
    Type: Grant
    Filed: November 22, 2017
    Date of Patent: October 6, 2020
    Assignee: HPPE, LLC
    Inventors: Ashoka V. R. Madduri, Lee A. Manning, Charles R. Landis, Matthew B. Blackmon, Christopher Gardner, Sanket Gandhi
  • Patent number: 10793479
    Abstract: A method of making a liquid hardening accelerator for a hydraulic composition the method comprising: (at adding sugar and lithium carbonate to water to form a dispersion of the lithium carbonate in a sugar solution; (b) adding aluminium sulphate to the dispersion to form a liquid hardening accelerator.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: October 6, 2020
    Assignee: FINE POWDER TECHNOLOGIES PTY LTD
    Inventors: Michael Scott Archer, Paul Duncan Hywel-Evans
  • Patent number: 10787389
    Abstract: The present invention provides a rapid-hardening admixture for accelerating hardening of a cement composition and a method for producing the same. The rapid-hardening admixture includes calcium aluminate, inorganic sulfate, and a setting modifier, in which the calcium aluminate has an average particle diameter in a range of 8 ?m to 100 ?m, and the setting modifier has an average particle diameter of 5 ?m or less.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: September 29, 2020
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Kiyoshi Kamitani, Kenji Tokunaga, Hideo Tawara
  • Patent number: 10780660
    Abstract: An object of the present invention is to provide a tire sealant that excels in injectability while maintaining sealing performance and storage performance at an excellent level, and to provide a tire repair kit. Provided are a tire sealant containing a rubber latex and an anti-freezing agent, wherein the anti-freezing agent contains glycerin and at least one type of glycol-based compound selected from the group consisting of glycols and glycol ethers; the content of the glycerin is from 2 to 50 mass % of the total amount of the anti-freezing agent; and a tire repair kit that includes the tire sealant.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: September 22, 2020
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventor: Masahiro Naruse
  • Patent number: 10781348
    Abstract: Disclosed is an aqueous deicing and/or anti-icing composition, and the use thereof on areas in need of deicing and/or anti-icing, exhibiting substantially improved corrosion inhibition, conductivity inhibition and/or hydrogen embrittlement inhibition. Said composition comprises 40-60% by weight of at least one alkali metal carboxylate, 0.1-0.5% by weight of benzoic acid and/or at least one alkali metal benzoate, 0.05-0.5% by weight of at least one alkali metal phosphate, 0.005-0.05% by weight of at least one alkali metal metasilicate, and 0.01-0.15% by weight of succinic acid and/or at least one alkali metal succinate. Balance to 100% by weight is water and said composition is pH adjusted to pH 9-12 by addition of at least one alkali metal hydroxide and/or carbonate. Disclosed is also a method of obtaining corrosion inhibition, conductivity inhibition and/or hydrogen embrittlement inhibition by addition of 0.01-0.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: September 22, 2020
    Assignee: PERSTORP AB
    Inventors: Kent Sörensen, Marie Westerblad
  • Patent number: 10781357
    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, water, and a microcellulose additive, wherein the microcellose additive may comprise microcellulose with a metal deposited on a surface of the microcellose, wherein the metal may be selected from the group consisting of an alkali metal, an alkaline earth metal, and combinations thereof; placing the cement composition in a selected location; and allowing the cement composition to set.
    Type: Grant
    Filed: March 4, 2016
    Date of Patent: September 22, 2020
    Assignee: Halliburton Energy Services, Inc.
    Inventors: William Cecil Pearl, Jr., Krishna M. Ravi, Romildo Dias Toledo Filho, Saulo Rocha Ferreira, Iolanda Scheibe De Siqueira
  • Patent number: 10774001
    Abstract: A composition of a cement additive material to improve durability of cementitious structures, was disclosed. The cement additive composition includes an admixture of one or more of divalent magnesium metal silicates with capacity to act as a latent hydraulic binder in said composition activated by a hydration process under aqueous conditions, and in particular the divalent metal silicate is magnesium-dominated silicate, preferably comprising mineral groups of olivines, orthopyroxenes, amphiboles, talc and serpentines or mixtures thereof. The composition also includes chloride ions or brine. Applications of the compositions are also disclosed, in particular to utilize a property of hydration as a major trigger for the latent hydraulic reaction of magnesium silicates, particularly for said olivines, when exposed to water and brines, in order to obtain a cementitious material becoming self healing.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: September 15, 2020
    Assignee: RESTONE AS
    Inventors: Astri Kvassnes, Jill Angelique Clausen
  • Patent number: 10766818
    Abstract: This invention relates to a method for producing a supplementary cementitious material comprising the steps: providing a starting material containing dolomite and aluminium silicate, converting the starting material to the supplementary cementitious material by burning under reducing conditions in the temperature range of >700 to 1100° C. or by burning in the temperature range of 625 to 950° C. in the presence of a mineraliser, and cooling the supplementary cementitious material. The invention further relates to a binder comprising cement and to the ground supplementary cementitious material.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: September 8, 2020
    Assignee: HConnect 2 GmbH
    Inventors: Frank Bullerjahn, Maciej Zajac, Dominik Nied
  • Patent number: 10766819
    Abstract: The invention provides compositions and methods for controlling setting of carbonatable calcium silicate compositions that are contaminated with hydrating materials. These carbonatable calcium silicate cements are suitable for use as non-hydraulic cement that hardens by a carbonation process and may be applied in a variety of concrete components in the infrastructure, construction, pavement and landscaping industries.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: September 8, 2020
    Assignee: SOLIDIA TECHNOLOGIES, LTD.
    Inventors: Sean Quinn, Sadananda Sahu
  • Patent number: 10766817
    Abstract: Embodiments of the invention enhance the performance of concrete mixtures, and have the flexibility to be used in both a variety of traditional poured concretes, as well as in sprayed concrete applications and geotechnical solutions which is commonly considered a cement application. It is an aspect of the present invention to provide a cementitious material comprising fly ash, wollastonite and nepheline syenite which is flexible enough in nature and chemistry to be used in a variety of concrete application which are poured and sprayed, as well as in blended into and within traditional cement applications. The use of a graduated blend of mineral fibers and industrial minerals also provide marked benefits to reduce both project cost and environmental impact.
    Type: Grant
    Filed: February 3, 2018
    Date of Patent: September 8, 2020
    Assignee: Surface Tech LLC.
    Inventor: Bryan Goerger