161 |
LIGHTWEIGHT GYPSUM WALLBOARD |
US14004064 |
2012-03-05 |
US20140315008A1 |
2014-10-23 |
Hubert C. Francis |
A lightweight gypsum wallboard having a foamed gypsum core reinforced with pre-gelatinized, e.g., pre-gelled, starch and prepared by mixing an aqueous foam into a gypsum slurry comprising a source of calcined gypsum (commonly known as plaster of Paris), pre-gelled starch and a lignosulfonate dispersant; allowing the so-formed gypsum slurry to set, and then drying the set gypsum core. |
162 |
Disposal of sulfur through use as sand-sulfur mortar |
US13751969 |
2013-01-28 |
US08758212B2 |
2014-06-24 |
Mohammed Al-Mehthel; Mohammed Maslehuddin; Saleh Al-Idi; Mohammed Rizwan Ali; Mohammed Salihu Barry |
A sulfur-sand limestone mortar and methods of preparing the sulfur-sand limestone mortar and disposing of elemental sulfur, are disclosed. In embodiments, the sulfur-sand limestone mortar includes elemental sulfur, limestone powder, and sand. Modifiers, such as plasticizers, are not required and are not used in embodiments of the sulfur-sand limestone mortar. In embodiments of the method to prepare the sulfur-sand limestone mortar, each of the elemental sulfur, limestone powder, and sand are heated to at least 140 C, then combined, and then allowed to solidify. |
163 |
JOINT COMPOUND, WALL ASSEMBLY, AND METHODS AND PRODUCTS RELATED THERETO |
US14034290 |
2013-09-23 |
US20140083038A1 |
2014-03-27 |
Robert H. NEGRI; Mark MIKLOSZ |
Disclosed are aspects of board finishing systems. For example, in various aspects, disclosed are joint compound compositions, wall assemblies, methods of treating walls, and products related to any of the foregoing, including reinforcement trim, e.g., for protecting corners where boards meet, fasteners, and tape. The joint compound preferably is a drying type composition with reduced shrinkage property, and includes binder and hollow spheres, resulting in an ultra lightweight formulation in some embodiments. The joint compound composition can be applied in a one-coat treatment in preferred embodiments. Other aspects of board finishing system accommodate such a one-coat treatment to thusly allow a user to manipulate the compound closer to the plane of board as compared with conventional formulations. Joint tape and reinforcement trim can include non-swelling synthetic paper facing material in some embodiments. |
164 |
AQUEOUS GYPSUM PLASTER-CEMENT COMPOSITION AND ITS USE |
US13821487 |
2011-09-08 |
US20130326985A1 |
2013-12-12 |
Hubert Lichtinger; Bernd Bruno Winfried Eck |
An aqueous gypsum plaster-cement composition comprises a hydraulic binder consisting of calcined gypsum and hydraulic cement in a weight ratio of from about 4:1 to about 2:1, an aggregate which comprises sand, a foam, a perlite, rice hulls or a mixture thereof, a superplasticizer comprising an air entraining agent, a retarder, and water in an amount of from about 0.4 to about 0.75 parts by weight per part of binder, with the proviso that the gypsum plaster-cement composition contains essentially neither a pozzolana nor lime. The use thereof, a method of constructing buildings using this composition and the buildings obtainable in this way are also described. |
165 |
Method and composition for road construction and surfacing |
US13360775 |
2012-01-29 |
US08337117B2 |
2012-12-25 |
Robert W. Vitale; Frank D. Elswick; Gina M. Greenlee |
Methods and compositions for improving the strength and longevity of secondary roadways through environmentally sound practices are disclosed herein. A composition for road sealing includes an aqueous emulsion of acrylic and vinyl acetate polymer, water, and a resin-modified emulsion, wherein the resin-modified emulsion includes a mixture of pitch and rosin, an emulsifying agent, and water. |
166 |
Accelerator mixture and method of use |
US13131457 |
2009-12-03 |
US08246742B2 |
2012-08-21 |
Elena Kolomiets; Montserrat Alfonso; Martin Weibel |
The invention concerns an accelerator mixture which contains aluminum in oxidation state 3, sulphate and hexafluorosilicic acid, a process for the preparation of said accelerators and the use of said accelerators for the coating of substrates with concrete or mortar. Furthermore the invention relates to concrete or mortar containing accelerators according to the invention and the hardened layers produced by applying the accelerators to concrete or mortar. The invention relates also to the use of hexafluorosilicic acid as a stabilizer. |
167 |
Finishing compound suitable for an acoustic support |
US12936735 |
2009-04-21 |
US08227537B2 |
2012-07-24 |
Florence Serre; Rita Faddoul; Jean-Michel Faure; Claude Stock |
A finishing compound having acoustic properties and including in percentage by weight relative to the total weight of the product, at least 25 to 80% of water; 0.1 to 5% of a thickening agent; 0.01 to 0.8% of a dispersing agent; 10 to 60% of a monogranular filler wherein the D50 is greater than or equal to 100 μm; 0.5 to 6% of binder; and not including a foaming agent; and presenting permeability to air after evaporation of the water from 800 to 6000 mks Rayls. |
168 |
Biodegradable Retarder for Cementing Applications |
US13433931 |
2012-03-29 |
US20120180698A1 |
2012-07-19 |
Ashok K. Santra; B. Raghava Reddy; D. Chad Brenneis |
Cement compositions comprising carboxylated inulin and methods of using the same to cement a workspace. In one embodiment, a method of cementing includes providing a cement composition comprising a carboxylated inulin, for example, in a subterranean formation. The method further includes allowing the cement composition to set. In some embodiments, the cement composition has a thickening time of from about 2 hours to about 11 hours. In other embodiments, the cement composition has a viscosity that is about constant for a period of time after the cement composition is placed. |
169 |
Accelerator Mixture and Method of Use |
US13131457 |
2009-12-03 |
US20120085266A1 |
2012-04-12 |
Elena Kolomiets; Montserrat Alfonso; Martin Weibel |
The invention concerns an accelerator mixture which contains aluminium in oxidation state 3, sulphate and hexafluorosilicic acid, a process for the preparation of said accelerators and the use of said accelerators for the coating of substrates with concrete or mortar. Furthermore the invention relates to concrete or mortar containing accelerators according to the invention and the hardened layers produced by applying the accelerators to concrete or mortar. The invention relates also to the use of hexafluorosilicic acid as a stabilizer. |
170 |
Lightweight concrete compositions |
US12770221 |
2010-04-29 |
USRE43253E1 |
2012-03-20 |
Tricia Guevara Ladely; Michael T. Williams; David A. Cowan; John K. Madish; Kolapo Adewale; Roger Moore; Blain Hileman |
A lightweight concrete composition containing from 10 to 90 volume percent of a cement composition, from 10 to 90 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g/cc to 0.64 g/cc, an aspect ratio of from 1 to 3, and from 0 to 50 volume percent of aggregate; where the sum of components used does not exceed 100 volume percent, and where after the lightweight concrete composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39 after seven days. The concrete composition can be used to make concrete masonry units, construction panels, road beds and other articles. |
171 |
LACTATE ACTIVATED CEMENT AND ACTIVATOR COMPOSITIONS |
US13004303 |
2011-01-11 |
US20110283921A1 |
2011-11-24 |
Glenn SCHUMACHER; Rajeshkumar Patel |
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. |
172 |
LIGHTWEIGHT COMPOSITIONS AND ARTICLES CONTAINING SUCH |
US13103354 |
2011-05-09 |
US20110214391A1 |
2011-09-08 |
Tricia Guevara; Michael T. Williams; David A. Cowan; John K. Madish; Kolapo Adewale; Roger Moore; Mary Margaret Moore; Jay Bowman |
A lightweight cementitious composition containing from 22 to 90 volume percent of a cement composition and from 10 to 78 volume percent of particles having an average particle diameter of from 0.2 mm to 8 mm, a bulk density of from 0.03 g/cc to 0.64 g/cc, an aspect ratio of from 1 to 3, where after the lightweight cementitious composition is set it has a compressive strength of at least 1700 psi as tested according to ASTM C39. The cementitious composition can be used to make concrete masonry units, construction panels, road beds and other articles and can be included as a layer on wall panels and floor panels and can be used in insulated concrete forms. Aspects of the lightweight cementitious composition can be used to make lightweight structural units. |
173 |
Cement-containing composition for use with alkali-resistant fiberglass and poles made therefrom |
US11989423 |
2006-07-28 |
US07993448B2 |
2011-08-09 |
John R. Mott |
A cement-containing composition, and in particular to a sand free composition employing effective amounts of cement, a superplasticizer, a metakaolin clay, an acrylic based co-polymer, and water, and which is especially adapted for use in manufacturing poles. |
174 |
FINISHING COMPOUND SUITABLE FOR AN ACOUSTIC SUPPORT |
US12936735 |
2009-04-21 |
US20110034608A1 |
2011-02-10 |
Florence Serre; Rita Faddoul; Jean-Michel Faure; Claude Stock |
A finishing compound having acoustic properties and including in percentage by weight relative to the total weight of the product, at least 25 to 80% of water; 0.1 to 5% of a thickening agent; 0.01 to 0.8% of a dispersing agent; 10 to 60% of a monogranular filler wherein the D50 is greater than or equal to 100 μm; 0.5 to 6% of binder; and not including a foaming agent; and presenting permeability to air after evaporation of the water from 800 to 6000 mks Rayls. |
175 |
Non-efflorescing cementitious mortar compositions |
US11817934 |
2006-03-09 |
US07803225B2 |
2010-09-28 |
Mingliang Zhang; Jie Zhang |
The invention provides a non-efflorescing cementitious mortar composition, free of reactive silica material, in the form of a dry-mortar composition or an aqueous mortar composition, comprising a) ordinary portland cement, b) calcium aluminate cement, c) calcium sulfate, and d) an aqueous polymer dispersion or a water-redispersible polymer powder of polymers based on one or more monomers from the group consisting of vinyl esters, (meth)acrylates, vinyl aromatics, olefins, 1,3-dienes and vinyl halides and, if required, further monomers copolymerizable therewith. |
176 |
Cement compositions comprising latex and a nano-particle and associated methods |
US12472561 |
2009-05-27 |
US07784542B2 |
2010-08-31 |
Craig W. Roddy; Jiten Chatterji; Roger Cromwell; Rahul Chandrakant Patil; Abhijit Tarafdar; Abhimanyu Deshpande; Christopher Lynn Gordon |
Methods and compositions are provided that may comprise cement, a nano-particle, latex, and water. An embodiment of the present invention includes a method of cementing in a subterranean formation. The method may include introducing a cement composition into the subterranean formation, wherein the cement composition comprises cement, a nano-particle, latex, and water. The method further may include allowing the cement composition to set in the subterranean formation. Another embodiment of the present invention include a cement composition. The cement composition may comprise cement, a nano-particle, latex, and water. |
177 |
Process for producing honeycomb structure |
US12209866 |
2008-09-12 |
US07704442B2 |
2010-04-27 |
Yasushi Noguchi; Takehiko Watanabe; Yukari Nakane |
A process for producing a honeycomb structure by obtaining clay from a cordierite-forming raw material containing an alumina source, a silica source, and a magnesia source; and forming the clay into a honeycomb shape, wherein a material having, in its volume particle size distribution, a 50 volume % particle size (V50) [μm] of 1 to 25 μm is used, as each of alumina source, silica source, and magnesia source; and a material having, in the volume particle size distribution of the whole cordierite-forming raw material, a ratio of 90 volume % particle size (Vall90) [μm] to 10 volume % particle size (Vall10) [μm] [a volume particle size distribution ratio (Vall90/Vall10)] of 10 or less and a difference (Vall90−Vall10) between 90 volume % particle size (Vall90) [μm] and 10 volume % particle size (Vall10) [μm] of 25 μm or less is used, as the cordierite-forming raw material. |
178 |
CONCRETE COMPOSITIONS |
US12522295 |
2008-01-23 |
US20100043673A1 |
2010-02-25 |
Jean-François Batoz; Mouloud Behloul; Philippe Fonollosa |
A concrete which includes in parts by weight: 100 Portland cement; 50 to 200 of a sand having a single grading with a D10 to D90 between 0.063 and 5 mm, or a mixture of sands, the finest sand having a D10 to D90 between 0.063 and 1 mm and the coarsest sand having a D10 to D90 between 1 and 4 mm; 10 to 50 of a particulate, substantially non-pozzolanic material having a mean particle size less than 15 μm; 0.1 to 10 of a water-reducing superplasticizer; and 10 to 30 of water; which concrete is substantially free of silica fume; the concrete having a compressive strength greater than 100 Mpa at 28 days. |
179 |
PROCESS FOR PRODUCING HONEYCOMB STRUCTURE |
US12367879 |
2009-02-09 |
US20090146350A1 |
2009-06-11 |
Yasushi NOGUCHI; Takehiko WATANABE; Takeshi TOKUNAGA; Yukari NAKANE |
A process for producing a honeycomb structure includes: a mixing step where forming raw materials including a ceramic raw material are mixed to obtain a forming blended material, a kneading step where the forming blended material is kneaded to obtain kneaded clay, a forming step where the kneaded clay is formed into a honeycomb shape to obtain a honeycomb formed article, and a firing step where the honeycomb formed article is fired to obtain a honeycomb structure. The ceramic raw material is a cordierite forming raw material, and a magnetic powder contained in the kneaded clay is at a ratio of 400 ppm or less with respect to solid content conversion mass of the whole kneaded clay. There is provided a honeycomb structure capable of improving trapping efficiency, in particular, initial trapping efficiency by reducing the number of coarse pores in the partition walls. |
180 |
Cement-Containing Composition for Use With Alkali-Resistant Fiberglass and Poles Made Therefrom |
US11989423 |
2006-07-28 |
US20090101275A1 |
2009-04-23 |
John R. Mott |
A cement-containing composition, and in particular to a sand free composition employing effective amounts of cement, a superplasticizer, a metakaolin clay, an acrylic based co-polymer, and water, and which is especially adapted for use in manufacturing poles. |