Patents Examined by Anthony J. Green
  • Patent number: 11987719
    Abstract: The present disclosure is directed to an aqueous dispersion of inorganic fibers and a method for formulating an aqueous coating composition therefrom. The aqueous dispersion of inorganic fibers comprises water, inorganic fibers, a dispersing agent, an anti-settling agent and optionally additional additives, wherein the inorganic fibers have an average fiber diameter of from 1 micron to 100 microns and have a number average aspect ratio of from 1.1:1 to 10:1; and wherein the aqueous dispersion does not contain a film-forming amount of a polymeric resin.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: May 21, 2024
    Assignee: SWIMC LLC
    Inventors: Weihua Kai, Gang Duan, Xi Zhao, Shigang Fan
  • Patent number: 11987534
    Abstract: Trona-accelerated composition for backfilling trenches are described. The compositions consist of aggregate (e.g., sand), Portland cement, Trona, water and sometimes air. The compositions may have a compressive strength of between 10 psi and 100 psi after 4 hours, a compressive strength of between 75 psi and 500 psi after 28 days, and a penetration resistance of between 4.5 tsf and 200 tsf after 4 hours. Also disclosed are methods of filling a trench with fast-setting flowable fill.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: May 21, 2024
    Assignee: J&P INVESCO LLC
    Inventors: Stanley R. Peters, George Clarence Geal, III
  • Patent number: 11981603
    Abstract: Printable cementitious compositions for additive manufacturing are provided, that have a fresh state and a hardened state. In fresh state, the composition is flowable and extrudable in the additive manufacturing process. In the hardened state, the composition exhibits strain hardening. In one variation, the strain hardening is represented by a uniaxial tensile strength of ?about 2.5 MPa, a tensile strain capacity of ?about 1%, and a compressive strength at 100 hours of ?about 20 MPa. In other variations, the composition includes Portland cement, a calcium aluminate cement, a fine aggregate, water, a high range water reducing agent (HRWRA), and a polymeric fiber, as well as one or more optional components selected from: fly ash, silica flour, microsilica, attapulgite nanoclay, and/or hydroxypropylmethyl cellulose (HPMC). Methods of additive manufacturing with such compositions are also provided.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: May 14, 2024
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Daniel G. Soltan, Victor C. Li
  • Patent number: 11981602
    Abstract: The present invention relates to a high-toughness geopolymer grouting material modified by ultra-high molecular weight fibers and emulsified asphalt, and a preparation method and application thereof, wherein the grouting material comprises the following components in parts by mass: 4-12 parts of emulsified asphalt, 80-100 parts of a geopolymer, 103-126 parts of an alkali-activated solution, 2-3 parts of ultra-high molecular weight fibers and 30-35 parts of water. Compared to the prior art, the grouting material modified by ultra-high molecular weight fibers and emulsified asphalt is simple to prepare, has good fluiditygood, and matches well with road substrate; the good toughness and crack control capability of the ultra-high molecular weight fibers enables this novel grouting material to overcome the problem in durability of common geopolymer-based materials.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: May 14, 2024
    Assignee: TONGJI UNIVERSITY
    Inventors: Xingyi Zhu, Yafeng Pang, Yuchuan Du
  • Patent number: 11981860
    Abstract: The present invention describes a hydraulic cement composition, process and use thereof, wherein the composition comprises a hydraulic cement composition with increased resistance against carbon dioxide (CO2) for application in reservoirs such as oil and gas and carbon capture and storage (CCS) wells; with improved performance of cement paste formulations as a material for application in primary, secondary cementing, recovery and/or plugging operations, of reservoirs/wells that operate with high CO2 content; as a technological alternative to guarantee the integrity of wells in CO2-rich environments for long periods of time, without any additional intervention to the already current operational procedures for cementing wells, and with cost reduction in relation to class G cement (currently, the main raw material); and sufficient chemical resistance to carry out enhanced oil (EOR) and gas (EGR) recovery by injecting high levels of CO2, increasing reservoir pressure throughout the extraction period of hydrocarbo
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: May 14, 2024
    Assignees: UNIÃO BRASILEIRA DE EDUCAÇÃO E ASSISTÊNCIA—MANTENEDORA DA PUCRS, PETRÓLEO BRASILEIRO S.A.—PETROBRAS
    Inventors: Gabriela Gonçalves Dias Ponzi, Felipe Dalla Vecchia, Sandra Mara De Oliveira Einloft, Marta Kerber Schütz, Victor Hugo Jacks Mendes Dos Santos, Darlan Pontin, Renan Bordulis Martel, Amanda Sofia De Guimarães E Stepanha, Dellyo Ricardo Dos Santos Alvares, Sonia Maria Cabral De Menezes, Ana Paula Santana Musse
  • Patent number: 11981609
    Abstract: The invention relates to a raw material for producing a refractory product, a use of this raw material, and a refractory product comprising a raw material of this kind.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: May 14, 2024
    Assignee: Refractory Intellectual Property GmbH & Co. KG
    Inventors: Juergen Muehlhaeusser, Raghunath Prasad Rana, Gerald Reif, Milos Blajs
  • Patent number: 11976006
    Abstract: Spackling and joint compounds with lower shrinkage, better sanding, and fast drying. Methods for repairing walls and ceiling in which the present spackling compound is applied to a variety of substrates, including wallboard, plaster and/or wood. Methods for finishing seams in wall construction in which the spackling/joint compound is used for finishing the seams.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: May 7, 2024
    Assignee: KNAUF GIPS KG
    Inventors: Tyler Kincaid, Rafael Bury
  • Patent number: 11976009
    Abstract: A green concrete composition comprising: a binder component comprising Portland cement, natural basaltic volcanic ash pozzolan, and colloidal nano-sized silica particles; an aggregate component comprising fine aggregates and coarse aggregates; water; and a super plasticizer.
    Type: Grant
    Filed: December 12, 2023
    Date of Patent: May 7, 2024
    Assignee: KING FAISAL UNIVERSITY
    Inventors: Kaffayatullah Khan, Muhammad Nasir Amin, Abdullah Mohammed Alqahtani
  • Patent number: 11978568
    Abstract: A method for stabilizing a neutralization slag of uranium associated zirconium and zirconia, and a stabilization agent used therein are disclosed. The stabilization agent includes the following components in parts by weight: a pretreatment agent of 2-8 parts, anhydrous calcium chloride of 2-6 parts, an adsorbent of 3-5 parts and a stabilizer of 4-9 parts. The stabilization agent is used to stabilize the uranium that is existed in the neutralization slag in a waste slag. The method includes the following steps: the pretreatment agent is used to alkalize and disperse the neutralization slag; soluble calcium salt is added to cement the neutralization slag; and the adsorbent and the stabilizer are used as a composite material to passivate the neutralization slag. The method has low cost, fast effectiveness, simple process, easy operation, and long-term stable remediation efficiency, which can be applied to the treatment and disposal of associated radioactive waste residues.
    Type: Grant
    Filed: August 29, 2023
    Date of Patent: May 7, 2024
    Assignee: THE FOURTH RESEARCH AND DESIGN ENGINEERING INSTITUTE OF CHINA NATIONAL NUCLEAR CORPORATION
    Inventors: Yang Gao, Juan Sun, Yifu An, Guoxi Lian, Xuyang Wu
  • Patent number: 11970651
    Abstract: A surface treatment agent containing: (A) a water repellent oil repellent polymer having a repeating unit derived from at least one water repellent oil repellent monomer selected from (A1) fluorine-containing monomers and (A2) non-fluorine monomers having a hydrocarbon group with 7-40 carbon atoms; (B) a silicone polymer represented by formula R533Si—O—[—Si(R51)2—O—]a—[—Si(R51)(R52)—O—]b—SiR533 (wherein each R51 group independently represents hydrogen, alkyl having 1-20 carbon atoms, aryl having 6-20 carbon atoms or alkoxy having 1-4 carbon atoms; each R52 independently represents a saturated hydrocarbon group having 23-40 carbon atoms; each R53 independently represents a hydrogen atom, an alkyl group having 1-20 carbon atoms, an aryl group having 6-20 carbon atoms, an alkoxy group having 1-4 carbon atoms or a saturated hydrocarbon group having 23-40 carbon atoms; a represents an integer of 0 or more; b represents an integer of 1 or more; and (a+b) is 10-200); and (C) a liquid medium.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: April 30, 2024
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Kanako Takahashi, Ryousuke Hara, Ikuo Yamamoto
  • Patent number: 11970422
    Abstract: Composite cement with improved reactivity and improved fresh properties comprising a hydraulic cement or a caustic activator, a hyaloclastite as pozzolan containing 45-62 wt.-% SiO2, 10-20 wt. % Al2O3, 6-15 wt.-% Fe2O3, 7-15 wt.-% CaO, 7-15 wt.-% MgO, 1.5-4 wt. % (K2O+Na2O), and having 0-5 wt.-% loss on ignition at 950° C. and ?50 wt.-% X-ray amorphous phase, and a carbonate filler with an at least bimodal particle size distribution adapted to provide a slope n in a Rosin-Rammler-Sperling-Bennett distribution curve of ?1.15 in a particle size distribution of the composite cement; a method for manufacturing it, as well as use of a composition comprising the hyaloclastite as pozzolan and the carbonate filler as mineral addition for composite cements comprising a hydraulic cement or a caustic activator.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: April 30, 2024
    Assignee: HCONNECT 2 GMBH
    Inventors: Frank Bullerjahn, Sigum Kjaer Bremseth, Kjell Skjeggerud, Wolfgang Dienemann
  • Patent number: 11970425
    Abstract: Disclosed is a liquid regulator for ultra-dispersed, high-mud-resistance, high-foam-stability, low-shrinkage and enhanced autoclaved aerated concrete, which comprises the following ingredients in parts by weight: 75 parts to 85 parts of hyperdispersant; 5 parts to 10 parts of anti-mud agent; 1 part to 3 parts of shrinkage reducing ingredient; 10 parts to 20 parts of reinforcing ingredient; and 0.05 part to 0.1 part of foam stabilizing ingredient; and the invention further discloses a preparation and application thereof. By adding the liquid regulator into the autoclaved aerated concrete, the effects of ultra-dispersion, high mud resistance, high foam stability, low shrinkage and performance enhancement can be achieved.
    Type: Grant
    Filed: May 19, 2023
    Date of Patent: April 30, 2024
    Assignee: Chongqing Juwei Energy Saving Building Materials Co., LTD
    Inventors: Huaguo Liang, Hu Xie, Sinan Wu
  • Patent number: 11964911
    Abstract: The corrosion-preventing additive for reinforced concrete is a concrete additive for preventing corrosion of steel rebars in steel-reinforced concrete. The corrosion-preventing additive is a solution with an organic solvent, the solute being either gallic acid (3,4,5-trihydroxybenzoic acid), at least one ester of gallic acid, or combinations thereof. The weight-to-volume concentration of the solute to the organic solvent may be between 1% and 10% w/v. Reinforced concrete may be made using the corrosion-preventing additive by mixing the corrosion-preventing additive with a conventional concrete mixture (i.e., a mixture of an aggregate, water, and cement), with at least one steel rebar being embedded in the mixture, similar to conventional steel rebar reinforced concrete. The concentration of the corrosion-preventing additive with respect to the cement of the mixture may be between 0.0125 wt % and 1.0 wt %.
    Type: Grant
    Filed: December 15, 2022
    Date of Patent: April 23, 2024
    Assignee: Postnikov
    Inventors: Abdulrahman Alhozaimy, Raja Rizwan Hussain, Abdulaziz Al-Negheimish, Devendra Deo Narain Singh
  • Patent number: 11965112
    Abstract: An anti-icing coating is provided having low interfacial toughness (LIT) with ice. The anti-icing coating includes a polymer and a plasticizing agent. A thickness of the anti-icing coating may be less than or equal to about 100 micrometers (?m). Further, the anti-icing coating has an interfacial toughness (?ice) with ice of less than or equal to about 1 J/m2. Such an anti-icing coating may be applied to a substrate or surface of a device on which ice may form, such as aircraft, vehicles, marine vessels, outdoor equipment, snow or ice removal equipment, recreational equipment, wind turbines, telecommunications equipment, power lines, and the like. Methods of forming such anti-icing coatings are also provided.
    Type: Grant
    Filed: March 4, 2019
    Date of Patent: April 23, 2024
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Anish Tuteja, Michael Thouless, Kevin Golovin, Abhishek Dhyani
  • Patent number: 11964912
    Abstract: The present invention provides substantially water free aluminate cement paste compositions that exhibit improved freeze thaw resistance and are storage stable upon being activated on admixture with water or an aqueous liquid. The compositions comprise a deep eutectic solvent mixture of a polar organic carrier component, preferably, glycerol or another hydrogen donor, and an anhydrous cation containing component, such as a metal salt or an onium compound in a paste with an aluminate cement. The compositions can be kept for as long as 30 days or more at room temperature without stabilization and then used to make cementitious coating layers or waterproofing membranes.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: April 23, 2024
    Assignee: DOW GLOBAL TECHNOLOGIES LLC
    Inventors: Debora Ressnig, Margarita Perello
  • Patent number: 11958789
    Abstract: A method for determining a consistency coefficient of a power-law cement grout includes: determining a water-cement ratio of the power-law cement grout; according to engineering practice requirements, determining a time required to determine the consistency coefficient of the power-law cement grout; and obtaining the consistency coefficient of the power-law cement grout. The method is accurate and reliable, requires less calculation, etc.; and has very high practical value and popularization value in environmental protection and ecological restoration.
    Type: Grant
    Filed: December 12, 2023
    Date of Patent: April 16, 2024
    Assignee: KUNMING UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Zhi-quan Yang, Jun-fan Xiong, Ying-yan Zhu, Yi Yang, Yong-shun Han, Muhammad Asif Khan, Jian-bin Xie, Tian-bing Xiang, Bi-hua Zhang, Han-hua Xu, Jie Zhang, Shen-zhang Liu, Qi-jun Jia, Cheng-yin Ye, Gang Li
  • Patent number: 11952313
    Abstract: The coupled borate/silicate salts-based additive for mortar or concrete controls chloride induced pitting and uniform corrosion of steel rebars embedded in the mortar or concrete with no detrimental effect on compressive strength of mortar/concrete. The silicate compounds may include one or more of the salts of sodium, potassium, lithium, calcium, magnesium, manganese, iron, zinc, aluminum and other transition and valve metals. The borate compounds may include one or more of the salts of alkali and alkaline earth metals, transition, non-transition and valve metals such as sodium, potassium, lithium, calcium, magnesium, manganese, iron, zinc, aluminum and others. The combination of the borate and silicate salts as an additive has been shown to impart high protection to steel rebar surfaces against corrosion, and particularly chloride induced pitting corrosion. The additives are equally effective for mortar as well as concrete.
    Type: Grant
    Filed: May 10, 2023
    Date of Patent: April 9, 2024
    Assignee: KING SAUD UNIVERSITY
    Inventors: Abdulrahman Alhozaimy, Raja Rizwan Hussain, Abdulaziz Al-Negheimish, Devendra Deo Narain Singh
  • Patent number: 11945758
    Abstract: Provided herein are compositions, methods, and systems related to bimodal, trimodal, and/or multi-modal distribution of reactive vaterite cement particles.
    Type: Grant
    Filed: April 28, 2023
    Date of Patent: April 2, 2024
    Assignee: Arelac, Inc.
    Inventors: Craig W Hargis, Ryan J Gilliam
  • Patent number: 11945752
    Abstract: Disclosed are a barium slag-modified aluminate quick-hardening special cementing material and a preparation method thereof, wherein the raw materials for the preparation of the barium slag-modified aluminate quick-hardening special cementing material includes, in parts by weight: 10-12 parts of aluminate cement clinker, 2-3 parts of barium slag powder, 1.5-2 parts of sulfate material, and 0-1.5 parts of early-setting agent. The present invention, on the basis of ensuring the original advantages of aluminate cement, can increase the long-term strength, durability, and economy, and solve the possible environmental problems caused by the barium slag, making it more suitable for use in various engineering projects.
    Type: Grant
    Filed: October 16, 2023
    Date of Patent: April 2, 2024
    Assignee: Institute of Rock and Soil Mechanics, Chinese Academy of Sciences
    Inventors: Jiangshan Li, Qiang Xue, Xin Chen
  • Patent number: 11939264
    Abstract: The present disclosure provides a preparation method for hydrothermal synthesis of fly ash silicate aggregate including: mixing sodium metasilicate, potassium hydroxide, and inorganic-organic hybrid excitation monomer as raw materials to obtain an inorganic-organic composite activator; preparing a silicate aggregate raw material, mixing measured fly ash, carbide slag, quicklime, and vitrified micro bubble by mass, adding the inorganic-organic composite activator and continue stirring to produce a mixture; forming a ball disc, wetting an expanded perlite that forms a core of the ball by spraying water, adding a prepared mixture, spraying water while adding, standing and curing, performing a maturation and activation treatment in an autoclave, undergoing a silicon calcium reaction for a hydrothermal synthesis to obtain the silicate aggregates.
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: March 26, 2024
    Assignee: Henan Building Materials Research and Design Institute Co., Ltd.
    Inventors: Shengqiang Chen, Zhuhe Zhai, Bing Zhang, Linjian Shangguan, Ruixiao Chen, Luyang Li, Ge Yang, Ming Han, Guowang Li, Rui Yin, Tingting Wang, Yongchuan Liu, Dan Chen