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| Number | Title | Issue Date |
| 6689460 | Primer/membrane barrier system An exemplary primer/membrane package system comprises (a) a membrane comprising a carrier sheet and a pressure-sensitive adhesive thereon; and (b) an aqueous dispersion primer composition operative to promote adhesion between a construction surface and th... | 02/10/2004 |
| 6569525 | Highly dispersible reinforcing polymeric fibers 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 g... | 05/27/2003 |
| 6503625 | Fibers for reinforcing matrix materials Exemplary mechanically-flattened fibers of the invention comprise generally elongate bodies having varied width or thickness dimensions and micro-diastrophic surface deformities. Preferred fibers are elongate synthetic polymer or multipolymer blend fibers... | 01/07/2003 |
| 6500520 | Particle coated bonding systems for hydratable cementitious composition casting and methods for making same Coated articles, methods for making such articles, and waterproofing systems incorporating these. An exemplary coated article comprises a body with surface coating of inorganic particles reactive with hydroxide generated from hydration of concrete or mort... | 12/31/2002 |
| 6451880 | Workability and board life in masonry mortar and method for obtaining same Improved workability and board life in masonry mortar is achieved through the use of an alkali soluble emulsion polymer and a low molecular weight, water-soluble humectant comprising a polymer having oxyalkylene groups, polyhydric groups, or a mixture the... | 09/17/2002 |
| 6441054 | 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 nonio... | 08/27/2002 |
| 6406755 | Sprayable fireproofing composition Improved sprayable gypsum-based fireproofing composition comprising a lightweight aggregate and a set retarding agent in an amount effective to delay the setting of said composition for at least 24 hours and preferably for at least 72-96 hours without cau... | 06/18/2002 |
| 6403686 | Rheologically-dynamic, liquid-applicable elastomeric compositions Improved compositions of the present invention are made from a rubber latex component (A) and an oil carrier component (B) having hygroscopic and vulcanizing agents. Upon intermixing of the components A and B, an elastomeric composition is formed that can... | 06/11/2002 |
| 6358311 | Additives for cement materials and cement materials New alkanolamine additives for improving the compressive strength, etc. of set cementitious compositions such as Portland cement concrete are described as having at least one alkanolamine or the salt thereof containing at least one alkanol group, and at l... | 03/19/2002 |
| 6358310 | Air entraining admixture compositions Additive for cementitious compositions, comprising: at least one admixture, such a shrinkage reducing admixture, an air entraining admixture, a water reducing admixture, an inorganic salt, a corrosion inhibitor, an accelerator, a retarder, or mixture ther... | 03/19/2002 |
| 6352952 | Admixture and method for optimizing addition of EO/PO superplasticizer to concrete containing smectite clay-containing aggregates In the preparation of aqueous cement compositions containing a plasticizer, such as an EO/PO polymer-containing plasticizer, or EO/PO comb polymer-containing plasticizer, and further containing clay, such as a smectite clay, which expands when in contact ... | 03/05/2002 |
| 6348093 | Basic-medium-soluble packaging material for use in castable cementitious composites Exemplary packaging of the invention can be introduced in a sealed form directly into a mixer, whereby, upon agitation of the mixer, a cemenititous binder, an admixture or admixtures, and/or fibers can be released to make or modify, in the mixer, a castab... | 02/19/2002 |
| 6309740 | High temperature heat transfer barrier and vapor barrier and methods The use of a relatively tin vermiculite coating layer, preferably spray-applied as an aqueous dispersion of delaminated vermiculite platelets, over a (primary) spray-applied hydratable cementitious fireproofing coating, has been found surprisingly to prov... | 10/30/2001 |
| 6302955 | Composition for improving freeze/thaw durability of masonry containing fatty acid-based efflorescence control agents A composition for improving the freeze thaw durability of masonry concrete comprising (i) an alkylaryl polyether alcohol having the formula R-.O slashed.-(OCH2 CH2)x OH, wherein R is a C4 -C8 alkyl gr... | 10/16/2001 |
| 6290772 | Processing additives for hydraulic cements This invention relates to enhancing the compressive strength of cements after 1, 3, 7 and 28 days following hydration and to improving porosity and finished surfaces of the hardened cements and concretes made therefrom. The improved cements are prepared u... | 09/18/2001 |
| 6277191 | Air entrainment with polyoxyalkylene copolymers for concrete treated with oxyalkylene SRA The present invention relates to a method and air entraining admixtures (AEAs) for achieving satisfactory levels of air entrainment in a hydraulic cementitious composition, such as concrete or mortar, in which an oxyalkylene shrinkage reduction admixture ... | 08/21/2001 |
| 6265056 | Micro-diastrophic synthetic polymeric fibers for reinforcing matrix materials Exemplary mechanically-flattened fibers of the invention comprise generally elongate bodies having varied width or thickness dimensions and micro-diastrophic surface deformities. Preferred fibers are elongate synthetic polymer or multipolymer blend fibers... | 07/24/2001 |
| 6258161 | Masonry blocks and masonry concrete admixture for improved freeze-thaw durability A masonry concrete, for use in making segmental retaining wall units, pavers, blocks, and the like, having zero slump and incorporating betaine for improving freeze-thaw durability, and optionally efflorescent control agents and/or water reducer agents. E... | 07/10/2001 |
| 6235365 | Waterproofing membrane having release sheet cutting system An improved waterproofing membrane comprising a preformed waterproofing adhesive layer, releasable sheet liner, and a string or plurality of strings operative to cut the release sheet liner into smaller portions for selective removal to expose portions of... | 05/22/2001 |
| 6231665 | Efflorescence control in cementitious compositions and masonry units A cementitious composition is disclosed whereby visible efflorescence is prevented when formed into a cement masonry concrete unit. Efflorescence is controlled by incorporation of a polymer comprising a polyacrylic acid or salt or derivative thereof havin... | 05/15/2001 |
| 6224250 | Mobile cement additive and concrete admixture manufacturing process and system A mobile system and process for manufacturing cement additives and/or concrete admixture products comprises at least two tanks each containing a different raw material for manufacturing cement additives or concrete admixtures; a frame for mounting and tra... | 05/01/2001 |
| 6213415 | Process for improving grinding of cement clinker in mills employing rollers An exemplary process for grinding cement clinker using rollers comprises introducing cement clinker into grinding contact with rollers operative to grind the clinker into particles; and introducing to the clinker and/or rollers, in an amount of 0.001-0.5 ... | 04/10/2001 |
| 6197423 | Micro-diastrophic synthetic polymeric fibers for reinforcing matrix materials Exemplary mechanically-flattened fibers of the invention comprise generally elongate bodies having varied width or thickness dimensions and micro-diastrophic surface deformities. Preferred fibers are elongate synthetic polymer or multipolymer blend fibers... | 03/06/2001 |
| 6172147 | Additive for production of highly workable mortar cement Mortar cement additives provide workability while retaining strength by employing a multi-stage polymer comprising a hydrophobically-modified, ionically-soluble polymer stage, the polymer being soluble at a pH of 6 and above; and an air-entraining agent. ... | 01/09/2001 |
| 6162288 | Sprayable fireproofing composition Improved sprayable gypsum-based fireproofing composition comprising a lightweight aggregate and a set retarding agent in an amount effective to delay the setting of said composition for at least 24 hours and preferably for at least 72-96 hours without cau... | 12/19/2000 |
| 6143050 | Modifying slag for smelting steel in electric arc furnaces An improved method for modifying slag in an electric arc furnace comprising introducing into the slag, or on top of the slag, vermiculite platelets which have been refined into concentrated form whereby the flakes comprise at least 50%, and more preferabl... | 11/07/2000 |
| 6139623 | Emulsified comb polymer and defoaming agent composition and method of making same Exemplary emulsion admixture for use in hydraulic cement compositions formed by emulsifying an antifoaming agent, surfactant, and a comb polymer having a carbon-containing backbone to which are attached cement-anchoring members and oxyalkylene groups. A m... | 10/31/2000 |
| 6071613 | Fiber reinforced cementitious materials with improved toughness and ductility A hybrid fiber reinforcing system that enhances ductility of concrete at small and large crack openings, while avoiding the necessity of using steel fibers at high (e.g., 1%) volumes, by taking into account Young's modulus, deploying large surface area to... | 06/06/2000 |
| 6007885 | Oxygen scavenging compositions and methods for making same An oxygen scavenging composition capable of providing good oxygen absorption capabilities wherein the oxygen scavenging agent is a hydroxosulfitometalate. Methods for making a hydroxosulfitometalate are also disclosed.... | 12/28/1999 |
| 5977224 | Roll press grinding aid for granulated blast furnace slag A grinding aid and an enhanced roll press method of grinding granulated blast-furnace slag by treating the slag feed of the roll press with from about 0.002 to 0.2 weight percent of polyacrylic acid or its alkali metal salt in combination with up to about... | 11/02/1999 |
| 5955163 | Gasket composition for crown caps A gasket for a crown cap to be used on a carbonated beverage, especially a twist-off crown or for a bottle which is to be pasteurized, is formed of a thermoplastic material, which is preferably free of polyvinyl chloride, and which contains a hydrogenated... | 09/21/1999 |
| 5947337 | Rotary union A rotary union for dispensing of a single central supply of water-based can sealing compound to an orbiting can end lining station includes a rotating reservoir (1) inside a stationary housing (2) with a dip tube (3) carried by the housing extending down ... | 09/07/1999 |
| 5938835 | Cement composition A cement admixture comprised of a mixture of certain alkyl ether oxyalkylene adducts with certain oxyalkylene glycols to provide cement compositions of mortar and concrete which inhibit drying shrinkage while permitting substantial air entrainment and enh... | 08/17/1999 |
| 5895116 | Mobile admixture product manufacturing and delivery process and system A mobile system and process for manufacturing and delivering concrete admixture finished products comprises: providing in separate transport tanks mounted on a vehicular frame at least two raw admixture materials (components); and blending together said a... | 04/20/1999 |
| 5840114 | High early-strength-enhancing admixture for precast hydraulic cement and compositions containing same A high early strength admixture for precast hydraulic cement comprises a calcium salt and a copolymer having a carbon-containing backbone to which are attached cement-anchoring members, such as carboxyl groups, and to which are also attached oxyalkylene p... | 11/24/1998 |
| 5826861 | Guard rail system for loading flat bed trucks An exemplary moveable guard rail system of the present invention, useful for preventing fork lift trucks from falling off flat bed trailers, comprises at least two guard rails connected sequentially to each other and to hinged supportive frame members. Th... | 10/27/1998 |
| 5824401 | Oil-barrier waterproofing membrance laminate A oil barrier waterproofing membrane laminate for waterproofing structural surfaces comprises a bituminous rubber adhesive membrane containing oil wherein on one face of the bituminous membrane is a carrier support structure comprising at least three poly... | 10/20/1998 |
| 5782972 | Additive for production of highly workable mortar cement Mortar cement additives provide workability while retaining strength by employing a multi-stage polymer comprising a hydrophobically-modified, ionically-soluble polymer stage, the polymer being soluble at a pH of 6 and above; and an air-entraining agent. ... | 07/21/1998 |
| 5763014 | Liquid applied waterproofing A liquid applied waterproofing formulation system comprises separate formulation components A and B which are transportable to the application site in separate containers but combinable at the site to form a blend, preferably a water-in-oil blend, which s... | 06/09/1998 |
| 5753368 | Fibers having enhanced concrete bonding strength The bonding between concrete and fibers is enhanced by using a fiber coating material selected from certain glycol ethers, having at least three carbon atoms in an oxyalkylene group, and glycerol ethers. The present invention pertains to such coated fiber... | 05/19/1998 |
