子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | MICROSTRUCTURED CARBONATABLE CALCIUM SILICATE CLINKERS AND METHODS THEREOF | US15894826 | 2018-02-12 | US20180186696A1 | 2018-07-05 | Sadananda Sahu; Sean Quinn; Vahit Atakan; Nicholas DeCristofaro; Vincent Meyer; Cédric Comparet; Günther Walenta |
| The invention provides novel, microstructured clinker and cement materials that are characterized by superior grindability and reactivity. The disclosed clinker and cement materials are based on carbonatable calcium silicate and can be made from widely available, low cost raw materials via a process suitable for large-scale production. The method of the invention is flexible in equipment and processing requirements and is readily adaptable to manufacturing facilities of conventional Portland cement. | ||||||
| 62 | USE OF AQUEOUS EMULSIONS BASED ON PROPYLETHOXYSILANE OLIGOMERS AS AN ADDITIVE IN HYDRAULICALLY SETTING CEMENT COMPOSITIONS FOR REDUCTION OF SHRINKAGE CHARACTERISTICS | US15594001 | 2017-05-12 | US20170327422A1 | 2017-11-16 | Michael Schottler; Christine Fliedner; Thomas Roehriq |
| An aqueous oil-in-water emulsion containing a propylethoxysilane oligomer mixture or a mixture of a propylethoxysilane oligomer mixture and octyltriethoxysilane in a weight ratio of 3:1 to 1:3, at least one emulsifier or an emulsifier system, at least one content of a 2-aminoethanol and water is used as an addition in the production of hydraulically setting cement mixtures such as mortar, screed or concrete for reduction of the shrinkage characteristics. | ||||||
| 63 | WHITE CARBONATABLE CALCIUM SILICATE-BASED CEMENTS AND METHODS OF PREPARATION AND USE THEREOF | US15449736 | 2017-03-03 | US20170253530A1 | 2017-09-07 | Sadananda Sahu; Sean Quinn; Anuj Seth; Jayson Bryant; Deepak Ravikumar |
| The invention provides a new class of carbonatable calcium silicate-based, white clinkers and the ground cement produced from these clinkers, as well as methods of their production and use thereof. The disclosed white clinkers and the ground cement exhibit a high brightness and are suitable for use in products with high aesthetic considerations. | ||||||
| 64 | STEAM-ASSISTED PRODUCTION OF METAL SILICATE CEMENTS, COMPOSITIONS AND METHODS THEREOF | US15335520 | 2016-10-27 | US20170121223A1 | 2017-05-04 | Vahit Atakan |
| The invention provides a novel, steam-assisted production methodology and associated compositions and methods of use in the manufacture of carbonatable or non-carbonatable metal silicate or metal silicate hydrate (e.g., calcium silicate or calcium silicate hydrate) compositions. These metal silicate compositions and related phases are suitable for use hydraulic, partially hydraulic or non-hydraulic cement that sets and hardens by a hydration process, a carbonation process or a combination thereof, and may be applied in a variety of concrete components in the infrastructure, construction, pavement and landscaping industries. | ||||||
| 65 | APPARATUS FOR PRODUCING RAPID-HARDENING CONCRETE BY INTERMIXING AND DISSIPATING AIR IN NORMAL CONCRETE AND ADDING EARLY-STRENGTH ADMIXTURE THERETO, AND METHOD FOR PRODUCING SAME | US15103269 | 2014-12-08 | US20160332915A1 | 2016-11-17 | Kyong Ku Yun |
| The present invention relates to an apparatus for producing rapid-hardening concrete and a method for producing same, the rapid-hardening concrete being produced by intermixing and dissipating air in normal concrete and adding an early-strength admixture thereto. With respect to forming rapid-hardening concrete, mixed concrete is formed by mixing in a large volume of air bubbles to be discarded, along with an early-strength admixture, to already mixed normal concrete, the early-strength admixture getting evenly dispersed therewithin by means of the ball bearing effect of the air bubbles, and when the mixed concrete is discharged, a rapid-hardening concrete is shotcreted while excess air contained in the mixed concrete is dissipated by means of high-performance air, the slump which was raised due to the large amount of air bubbles having been reduced to the slump range for normal concrete. | ||||||
| 66 | BELITE-CALCIUM ALUMINATE AS AN ADDITIVE | US14787006 | 2014-05-07 | US20160107933A1 | 2016-04-21 | Dirk SCHMITT; Mohsen BEN HAHA; Anca ITUL; Nicolas SPENCER |
| The present invention relates to the use of a belite calcium aluminate obtainable in a method comprising the following steps: a) providing a starting material that has a molar Ca/(Si+Al+Fe) ratio from 1.0 to 3.5 and a molar Al/Si ratio from 100 to 0.1, b) mixing the raw materials, c) hydrothermal treating of the starting material mixture produced in step b) in an autoclave at a temperature from 100 to 300° C. and a residence time from 0.1 to 24 h, wherein the water/solids ratio is 0.1 to 100, d) tempering the intermediate product obtained in step c) at 350 to 600° C., wherein the heating rate is 10-6000° C./min and the residence time is 0.01-600 min as an accelerator for Portland cement. | ||||||
| 67 | CARBONATABLE CALCIUM SILICATE COMPOSITIONS AND METHODS THEREOF | US14817193 | 2015-08-03 | US20160031757A1 | 2016-02-04 | Vahit Atakan; Sean Quinn; Sadananda Sahu; Deepak Ravikumar; Nicholas DeCristofaro |
| The invention provides novel carbonatable calcium silicate compositions and carbonatable calcium silicate phases that are made from widely available, low cost raw materials by a process suitable for large-scale production. The method of the invention is flexible in equipment and production requirements and is readily adaptable to manufacturing facilities of conventional cement. The invention offers an exceptional capability to permanently and safely sequesters CO2. | ||||||
| 68 | Synthetic formulations and methods of manufacturing and using thereof | US13491098 | 2012-06-07 | US09216926B2 | 2015-12-22 | Richard E Riman; Thomas E. Nye; Vahit Atakan; Cekdar Vakifahmetoglu; Qinghua Li; Ling Tang |
| A method for producing a reaction product including at least one synthetic formulation that carbonates sufficiently, said method comprising: providing a first raw material, having a first concentration of M; providing a second raw material, having a second concentration of Me; and mixing the first raw material and the second raw material to produce a reaction product that includes at least one synthetic formulation having the general formula MaMebOc, MaMeb(OH)d, MaMebOc(OH)d or MaMebO(OH)d•(H2O)e, wherein M comprises at least one metal that can react to form a carbonate and Me is at least one element that can form an oxide during the carbonation reaction, wherein the at least one synthetic formulation is capable of undergoing a carbonation reaction, and wherein the at least one synthetic formulation is capable of undergoing volume change during the carbonation reaction. | ||||||
| 69 | Methods and compositions using calcium carbonate and stabilizer | US14566304 | 2014-12-10 | US09139472B2 | 2015-09-22 | Miguel Fernandez; Irvin Chen; Patricia Tung Lee; Matthew Ginder-Vogel |
| Provided herein are compositions, methods, and systems for a material containing metastable carbonate and stabilizer. Methods for making the compositions and using the compositions are also provided. | ||||||
| 70 | Method for producing ternesite | US14239348 | 2012-07-16 | US09073785B2 | 2015-07-07 | Frank Bullerjahn; Dirk Schmitt; Mohsen Ben Haha |
| The present invention relates to the production of ternesite clinkers containing 20 to 95% by weight C5S2$ and less than 15% by weight C4A3$, and to the use of ternesite as an additive to hydraulic and/or latent hydraulic and/or pozzolanic materials. | ||||||
| 71 | Cement that is resistant to internal sulfate reactions and to external sulfate attacks | US13990013 | 2011-11-24 | US09034099B2 | 2015-05-19 | Michel Pasquier; Laetitia Bessette; Francois Hue |
| The present invention relates to a novel cement which makes possible the preparation of concrete, grout or mortar which is resistant to internal sulfate reactions and to external sulfate attacks, and also the use of this cement for the preparation of concrete, grout or mortar. | ||||||
| 72 | METHOD FOR PRODUCING TERNESITE-BELITE CALCIUM SULFOALUMINATE CLINKER | US14238872 | 2012-07-16 | US20140283712A1 | 2014-09-25 | Frank Bullerjahn; Dirk Schmitt; Mohsen Ben Haha |
| The present invention relates to the production of a ternesite-belite-calcium sulfoaluminate (ferrite) clinker. The invention also relates to the use of alternative raw materials for clinker production, for example raw materials based on industrial byproducts, including those of low quality, such as lump slag and ash having a low glass content and/or a high free lime content and/or a high content of crystalline high-temperature phases, as well as naturally occurring rocks and rock glasses of comparative chemical composition. | ||||||
| 73 | Novel Cement That Is Resistant To Internal Sulfate Reactions And To External Sulfate Attacks | US13990013 | 2011-11-24 | US20140137772A1 | 2014-05-22 | Michel Pasquier; Laetitia Bessette; Francois Hue |
| The present invention relates to a novel cement which makes possible the preparation of concrete, grout or mortar which is resistant to internal sulfate reactions and to external sulfate attacks, and also the use of this cement for the preparation of concrete, grout or mortar. | ||||||
| 74 | Method for producing hydraulic powder | US13810216 | 2011-07-14 | US08506701B2 | 2013-08-13 | Keiichiro Sagawa; Masaaki Shimoda; Koji Nagasawa |
| The present invention provides the production of the hydraulic powder containing C3A in an amount of 0.5 to 9.5% by weight through a step of grinding a hydraulic compound in the presence of the alkanolamine having a freezing point of not higher than 0° C. | ||||||
| 75 | METHOD FOR PRODUCING A CLINKER FOR HYDRAULIC CEMENT WITH LOW CO2 EMISSION AND HIGH RESISTANCE | US13704699 | 2011-06-17 | US20130152825A1 | 2013-06-20 | Homero Ramirez Tovias; Juan Carlos Martinez; Norma Leticia Garza Gonzalez; Karla Serrano Gonzalez |
| A method for producing a clinker for cement, comprising grinding a raw flour comprising, especially, Al2O3, Fe2O3 and SO3 in contents such that the formula for calculating SO3 content of=0.261×Al2O3−0.638×Fe2O3+k, where 2.5 | ||||||
| 76 | COMPOSITION FOR HYDRAULIC SETTING | US12438181 | 2007-08-08 | US20090249981A1 | 2009-10-08 | Philippe Pichat |
| The object of the invention is an hydraulic setting composition comprising: (a) an aggregate comprising calcium carbonate; (b) an aggregate comprising silica; (c) alkaline hydroxide; and (d) a suitable quantity of water, characterized in that it contains less than 20% by weight of component (c) and that the sum of the content of cations other than Si and Ca of components a) and b) is less than 10%. | ||||||
| 77 | High strength biological cement composition and using the same | US11584132 | 2006-10-20 | US07553362B2 | 2009-06-30 | Donghui Lu; Shuxin Zhou |
| A hydraulic cement for biomedical applications. The cement sets in-situ, hardening when exposed to water to produce nano-dispersed composite of calcium-silicate-hydrate gel mixed with hydroxyapatite. In comparison with prior cements, the composition provides high biocompatibility, high bioactivity and high biomechanical strength, due to the composite structure of the calcium silicate hydrate reinforced with co-precipitated particles of hydroxyapatite. Biocompatibility is also increased due to an absence of aluminum and magnesium in the composition. The cement is suitable for variety of applications, including dental implants, bone fixation, and bone repair. | ||||||
| 78 | High temperature cements | US10595435 | 2004-10-26 | US07449061B2 | 2008-11-11 | Véronique Barlet-Gouedard; Bruno Goffe |
| A method of designing a cement composition comprises determination of the temperature to which the composition will be exposed in situ; determination of a stable, thermodynamic equilibrium composition of a CaO—Al2O3—SiO2—H2O (CASH) mineral system in the [xonotlite/wollastonite]-grossulaire-anorthite or grossulaire-anorthite-quartz triangles of the Si—Ca—Al phase diagram with a possible contribution of iron and/or magnesium, analogous to the cement when set, at the determined temperature; determining proportions of cement and mineral oxides required to provide a mixture having the determined composition; and defining a series of particulate materials of predetermined particle sizes and densities, comprising cement and mineral oxides in the determined proportions. | ||||||
| 79 | Cement admixture | US10507682 | 2003-03-19 | US20050115465A1 | 2005-06-02 | Daisuke Sawaki; Shuuichi Harasawa; Kenichi Honma; Makihiko Ichikawa |
| A burned product containing 100 parts by weight of C2S, 10 to 100 parts by weight of C2AS, and 20 parts by weight or less of C3A; a cement admixture prepared by grinding the burned product; and a cement containing 100 parts by weight of ground portland cement clinker and 5 to 100 parts by weight of a ground product of the burned product. Through use of a cement admixture produced by grinding the burned product of the present invention, cement products exhibiting low heat of hydration and good fluidity can be obtained. | ||||||
| 80 | Compositions for low heat cements | US452644 | 1995-05-25 | US5547505A | 1996-08-20 | Kazuya Nakatsu; Takaharu Goto; Toru Higaki; Hideki Endo; Satoru Hirose; Yukinori Yamazaki |
| Compositions for low heat cements developed especially for massive concrete works and which exhibit a compressive strength/heat of hydration ratio of at least 7.0 at the age of 13 weeks. One of two inventions provides a powder prepared by mixing CaO, SiO.sub.2, and Al.sub.2 O.sub.3 materials, melting the mixture, quenching the melt, and grinding the quenched matter, the powder being composed mainly of amorphous substances and chemically having a CaO/SiO.sub.2 (molar ratio) of 0.8-1.5 and an Al.sub.2 O.sub.3 content of no more than 10 wt. %. The other invention provides a mixed powder comprising no less than 70 wt. % of a powder and no more than 30 wt. % of an addition (portland cement or the like), the powder being the same as that of the first invention in both predominance of amorphous substances and CaO/SiO.sub.2 (molar ratio) excepting the Al.sub.2 O.sub.3 content which is less than 12 wt. % in the second invention. | ||||||
QQ群二维码
意见反馈
意见反馈