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| Number | Title | Issue Date |
| 8168701 | Concrete or mortar admixture composition A concrete admixture composition concurrently using (A) a polycarboxylic acid type water-reducing agent for concrete, (B) a hydroxycarboxylic acid type water-reducing agent for concrete, and (C) a polysaccharide type thickening agent is offered, with the view to man... | 05/01/2012 |
| 8097666 | Cement additive for stucco applications An additive composition, a cement composition, and method for modifying rheology of an uncured masonry cement, comprising the use of at least one extra-cellular biopolymer, at least one anionic surfactant, and at least one cationic or amphoteric surfactant. Preferab... | 01/17/2012 |
| 8097296 | Method for retarding the setting of mortar and concrete surfaces An exemplary method for set retarding the surface of a mortar or concrete material, comprising applying to the surface of a mortar or concrete, or to the inner surface of a mold for forming the mortar or concrete, a hot melt coating composition which is heated to as... | 01/17/2012 |
| 8079184 | Skid resistant surfaces Pedestrian trafficable skid-resistant flexible articles (24) are described. These articles (24) include a flexible substrate (17) having a non-skid coating that may be either a pressure-sensitive adhesive (13) or a highly- filled, texture... | 12/20/2011 |
| 8070875 | Slump retention in cementitious compositions The present invention relates to dispersants such as superplasticizers for hydratable cementitious compositions, and more particularly to methods for achieving variable degrees of longer slump life in concrete and mortar without loss of stability. This is achieved b... | 12/06/2011 |
| 8058377 | Phosphate-containing polycarboxylate polymer dispersants Phosphate-containing polycarboxylate polymer dispersant compositions of the invention comprise a polymer made from polyoxyalkylene groups, acrylic acid groups, mono-ester groups, and optionally di-ester and tri-ester groups, all in specific molar ratios. The polymer... | 11/15/2011 |
| 7972436 | Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent An exemplary surface active agent admixture composition of the invention comprises (1) a first surface active agent comprising a betaine, an alkyl or aryl or alkylaryl sulfonate, or mixture thereof; and (2) a second surface active agent comprising a nonionic oxyalky... | 07/05/2011 |
| 7968171 | Three-dimensional reverse tanking membranes Shaped waterproofing membranes having three-dimensional contours are useful for the “reverse tanking” waterproofing of detail areas such as those presented by “tiebacks,” pipes, pile caps, and other irregularities that occur on concrete formworks and other c... | 06/28/2011 |
| 7963422 | Double-action fluid weighing and dispensing process and system Apparatus and process for dispensing fluids, such as chemical concrete admixtures, using an air-operated pump and load cell for supporting and measuring at least substantially 100% of the weight of the pump and fluid dispensed through the pump. A double-action, dual... | 06/21/2011 |
| 7927418 | Coordinated metal compounds for reducing chromium Methods and compositions involving the use of nitrogen-containing coordinated metal compounds for stabilizing chromium VI reducing metal cations. Exemplary uses include processes for making cement, and exemplary compositions include cement additives, concrete admixt... | 04/19/2011 |
| 7922811 | Biomass-derived grinding aids Compositions and methods for increasing grinding efficiency of cement, cement clinker, raw materials for cement, and other inorganic particles. Use of biomass-derived polyols such as diols, triols, or mixtures thereof, optionally with a conventional grinding aid, ce... | 04/12/2011 |
| 7846251 | Integrally waterproofed concrete An exemplary composition for enhancing water repellency in cementitious material comprises a hydrophobic material solute that is dissolved in a glycol ether solvent. Thus, the composition is provided in the form of a non-aqueous solution or emulsion wherein water is... | 12/07/2010 |
| 7863380 | Erucamide-free closure and liner compositions An exemplary erucamide-free composition for making container closures or closure sealants includes a matrix polymer, a silicone lubricant such as poly(dimethyl)siloxane, and a slip aid comprising a saturated amide, oxidized polyethylene, or combination thereof. ... | 01/04/2011 |
| 7842348 | High yield spray application Method and device for ensuring high yields during spraying of a settable slurry composition. The slurry is conveyed through a length of hose to a nozzle spray-orifice, and a set accelerator is introduced into the slurry at a distance “D” from the nozzle spray-or... | 11/30/2010 |
| 7749352 | Process for making bi-tapered reinforcing fibers Non-fractured, non-fibrillatable short fibers, for reinforcing matrix materials such as concrete, have substantially uniform transverse cross-sectional areas along their length for maximum efficiency in pull-out resistance, and two different tapering characteristics... | 07/06/2010 |
| 7682674 | BADGE- and BPA-free can coating The present invention relates to a composition, which is useful for producing coatings for metal sheet substrates of metal cans for storing and/or transporting food or beverages or a lid thereof, and which comprises the following components: (a) 30 to 9... | 03/23/2010 |
| 7634877 | Skid resistant surfaces Pedestrian trafficable skid-resistant flexible articles are described. These articles include a flexible substrate having a non-skid coating comprising polymer units that degrade upon exposure to light and/or heat, preferably via chain scission. These articles may b... | 12/22/2009 |
| 7565779 | Device for in-situ barrier The present invention relates to a multi-layer fluid delivery device for post-installation in-situ barrier creation. The device provides a medium for post-installation injection of remedial substances such as waterproofing polymeric resins or cementitious materials,... | 07/28/2009 |
| 7550187 | Moisture barrier membrane with tearable release liner composite An exemplary moisture barrier membrane 10 comprises a waterproof adhesive layer, (14) a carrier support, (12) and a release liner (16) composite having a paper sheet, (20) cutting strings, (22) a polyolefin (24) coati... | 06/23/2009 |
| 7462392 | Bi-tapered reinforcing fibers Non-fractured, non-fibrillatable short fibers, for reinforcing matrix materials such as concrete, have substantially uniform transverse cross-sectional areas along their length for maximum efficiency in pull-out resistance, and two different tapering characteristics... | 12/09/2008 |
| 7462236 | Gluconate broth for cement and concrete admixture Methods and compositions of the invention involve the use of crude intermediate fermentation broth, derived from industrial glucose fermentation processes prior to completion of purification steps, as additives and admixtures for cementitious compositions. ... | 12/09/2008 |
| 7459180 | Process for making skid resistant moisture barriers Skid-resistant moisture barriers of the invention, such as house wrapping, waterproofing membranes, and roofing underlayrnents, have a carrier sheet with polymer nodules deposited thereon through a rotating screen roll or by transfer means such as a gravure roll. Pr... | 12/02/2008 |
| 7257930 | Anticorrosion separator for wood deck fasteners Exemplary methods and assemblies for preventing corrosion of metal connector devices, e.g., zinc-galvanized joist hangers and fasteners, used for assembling outdoor structures such as decks from wood components pretreated with alkaline copper quat (ACQ), ammoniacal ... | 08/21/2007 |
| 7232483 | Cement composition having chromium reducer Exemplary compositions and methods for reducing hexavalent chromium in cementitious compositions involve the use of a liquid additive composition, comprising stannous chloride. Along with the stannous chloride may be used at least one co-additive comprising an antio... | 06/19/2007 |
| 7219479 | Avoiding cracking and curling in concrete flooring upon which water-based adhesives are employed The invention provides a method for making a concrete floor slab using sub-grade waterproofing in a manner that favors the use of water-based adhesives for affixing floor covering materials. The method comprises casting a hydratable cementitious composition onto a f... | 05/22/2007 |
| 7201820 | Flexible flashing for multiplanar building surfaces The invention pertains to a novel method for flashing a door, window, ductwork or other rough opening in a building surface. The method involves the use of a tape strip having a continuous, non-perforated, machine-direction-splittable plastic release sheet liner whi... | 04/10/2007 |
| 7160384 | Amine-containing cement processing additives An exemplary method of the invention comprises introducing into a grinding mill, wherein cement clinker is ground to provide cement powder, a diamine such as tetrahydroxylethylethylene diamine, and an alkanolamine such as triethanolamine or triisopropanolamine. The ... | 01/09/2007 |
| 7152385 | In situ molded thermal barriers Methods, systems, and devices for installing barriers in openings of gaps in or between structures such as walls, ceilings, and floors are described herein. At least one barrier molding bag is positioned in the hole or gap, and a flowable firestop material that is p... | 12/26/2006 |
| 7128782 | Sulfate dispersion chromate reducer A chromium VI reducing composition comprising particles of solid material selected from the group consisting of iron (II) sulfate and tin sulfate, the particles being substantially uniformly dispersed within a liquid carrier. Methods for modifying hydratable cementi... | 10/31/2006 |
| 7114842 | Controlling ready mixed concrete sludge water Method and system for concrete wash-out water re-use, wherein an apparatus such as a mixing truck (1) is washed out and sludge (2) water re-used. The invention comprises providing sensors (11), in a communication system connected with a control ... | 10/03/2006 |
| 7087110 | Liquid additive for intergrinding cement Exemplary compositions and methods for reducing hexavalent chromium in cementitious compositions involve the use of a liquid additive composition, comprising stannous chloride. Along with the stannous chloride may be used at least one co-additive comprising an antio... | 08/08/2006 |
| 7048793 | Beneficiated water reducing compositions Exemplary compositions comprise at least one aldopentonic acid, such as xylonic acid; and further comprise a lignin, a lignosulfonic acid or its salt, an additional sugar acid such as a aldohexonic acid or salt, a conventional admixture (such as a polyacrylate super... | 05/23/2006 |
| 7043880 | In situ molded thermal barriers The invention provides methods, systems, and devices for installing thermal barriers in openings or gaps in or between structures such as walls, ceilings, and floors. At least one thermal barrier molding bag is positioned in the hole or gap, and a flowable firestop ... | 05/16/2006 |
| 7037367 | Concrete surface retarders Surface retarder compositions of the invention comprise at least one surface retarder active suspended in a vegatable oil or derivative thereof, an animal oil or derivative thereof, or mixtures thereof. Methods involving use of the compositions are also described. | 05/02/2006 |
| 7021123 | Rheological and calorimetric testing method Device and methods for rotationally mixing and rheological testing of sample liquids, such as cement particle suspensions, employ mixing blades and shear-resistant members having substantially noncoincident orbital paths. Rheology is assessed by measuring the resist... | 04/04/2006 |
| 6997045 | Rheomixer device Device and methods for rotationally mixing and rheological testing of sample liquids, such as cement particle suspensions, employ mixing blades and shear-resistant members having substantially noncoincident orbital paths. Rheology is assessed by measuring the resist... | 02/14/2006 |
| 6916369 | Beneficiated water reducing compositions Exemplary compositions comprise at least one aldopentonic acid, such as xylonic acid; and further comprise a lignin, a lignosulfonic acid or its salt, an additional sugar acid such as a aldohexonic acid or salt, a conventional admixture (such as a polyacrylate super... | 07/12/2005 |
| 6872247 | Amine-based, hexavalent chromium reducing agents for cement Methods and compositions involving hexavalent chromate-reducing agents, particularly hydroxylamine, hydrazine, or their salts or derivatives, for use in cement compositions and cement processing. ... | 03/29/2005 |
| 6867165 | Calcium hydroxide absorbent with rheology modifier and process involving same Exemplary carbon dioxide absorbent compositions of the invention incorporate calcium hydroxide, water, and a phosphonic acid or salt thereof. The composition is made into a paste and formed into particles that are conveniently and efficiently processable. When harde... | 03/15/2005 |
| 6863969 | Fiber-reinforced matrix compositions Synthetic polymer reinforcing fibers provide dispersability and strength in matrix materials such as concrete, masonry, shotcrete, and asphalt. The individual fiber bodies, substantially free of stress fractures and substantially non-fibrillatable, have generally qu... | 03/08/2005 |
