...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7544242 | Effective use of dispersants in wallboard containing foam Effective use of dispersants in wallboard containing foam results from a method where stucco is mixed with a first dispersant and a first quantity of water to form a gypsum slurry. A soap is blended with a second dispersant and a second quantity of water to make a f... | 06/09/2009 |
| 7287594 | Foamed treatment fluids and associated methods Methods of treating subterranean formations using foamed treatment fluids comprising water, a gas, and a foaming and foam stabilizing surfactant mixture comprising a plurality of alkali salts of alkyl ether sulfates wherein the alkyl group in each of the alkyl ether... | 10/30/2007 |
| 7261042 | Insensitive munition design for shrouded penetrators A munition and method of making same comprising at least partially surrounding a warhead with a protective barrier comprising pumice and surrounding the protective barrier with a shroud. ... | 08/28/2007 |
| 7208225 | Prefabricated plaster board The present invention provides a construction assembly for interior works, comprising: prefabricated elements, preferably flat prefabricated elements e.g. gypsum fiberboards, cement fiberboards, gypsum wall boards or plaster boards... | 04/24/2007 |
| 7138012 | Recycled waste as air entrainment admixtures Use of waste generated as a byproduct of a first manufacturing process as an air entraining admixture (AEA) in a second product. In some instances, the waste materials can be used as an AEA during cement and/or concrete formation, and may also be waste materials pro... | 11/21/2006 |
| 7134497 | Foamed treatment fluids and associated methods Foamed treatment fluids comprising water, a gas, and a foaming and foam stabilizing surfactant mixture comprising an alkali salt of an alkyl ether sulfate, wherein the alkali salt of the alkyl ether sulfate comprises an alkali salt of a C6-10 alkyl ether ... | 11/14/2006 |
| 7048791 | Low dust wall repair compound A wall repair compound useful for filling and repairing cracks, holes, and other imperfections in a wall surface includes a conventional filler material, a conventional binder material, and a dust reducing additive which reduces the quantity of airborne dust particl... | 05/23/2006 |
| 7045008 | Low dust wall repair compound A wall repair compound useful for filling and repairing cracks, holes, and other imperfections in a wall surface includes a conventional filler material, a conventional binder material, and a dust reducing additive which reduces the quantity of airborne dust particl... | 05/16/2006 |
| 7013975 | Foamed cement slurries, additives and methods The present invention relates to foamed cement slurries, additives and methods. A foamed cement slurry of the invention comprises a hydraulic cement, sufficient water to form a slurry, sufficient gas to form a foam and an environmentally benign foaming and stabilizi... | 03/21/2006 |
| 6953505 | Stable and biodegradable foamed cement slurries, additives and methods The present invention relates to stable and biodegradable foamed cement slurries, additives and methods. A foamed cement slurry of the invention comprises a hydraulic cement, sufficient water to form a slurry, sufficient gas to form a foam and a biodegradable foamin... | 10/11/2005 |
| 6926837 | Process for the treatment of waste materials The invention relates to a mixture and a process for the treatment of waste materials and the use of the mixture for the treatment of waste materials and waste material treated therewith. The mixture comprises (A) at least one zinc salt of a saturated o... | 08/09/2005 |
| 6863723 | Low dust wall repair compound A wall repair compound useful for filling and repairing cracks, holes, and other imperfections in a wall surface includes a conventional filler material, a conventional binder material, and a dust reducing additive which reduces the quantity of airborne dust particl... | 03/08/2005 |
| 6733581 | Low dust wall repair compound A wall repair compound useful for filling and repairing cracks, holes, and other imperfections in a wall surface includes a conventional filler material, a conventional binder material, and a dust reducing additive which reduces the quantity of airborne dust particl... | 05/11/2004 |
| 6699561 | Activated carbon molded body and use thereof An activated carbon molded body, more particularly in honeycomb form and for use as an adsorption filter, can be produced from a mixture including activated carbon, water, novolak powder, clay, cellulose ether, liquid starch, wax, polyacrylamide and soap,... | 03/02/2004 |
| 6679944 | Leakage water cut-off agent and method of preventing water leakage An object of the present invention is to provide a leakage water cut-off agent that has an excellent power to seal a water leakage site by a simple process without damaging the appearance of a building. A leakage water cut-off agent of the present inventi... | 01/20/2004 |
| 6676746 | Low dust wall repair compound The quantity of dust generated by a sandable wall repair compound is reduced by adding a dust reducing additive to the compound. Dust reducing additives include oil, wax, and mixtures thereof. Dust reducing additives containing oil may include rheological... | 01/13/2004 |
| 6372033 | Method of forming and shaping plasticized mixtures and the green bodies made therefrom Powder mixtures and a method of forming and shaping the mixtures. The method involves compounding the components of powder materials, binder, solvent for the binder, surfactant, and non-solvent with respect to at least the binder, the solvent, and the pow... | 04/16/2002 |
| 6358309 | Low dust wall repair compound A wall repair compound useful for filling and repairing cracks, holes, and other imperfections in a wall surface includes a conventional filler material, a conventional binder material, and a dust reducing additive which reduces the quantity of airborne d... | 03/19/2002 |
| 5922124 | Additive for, method of adding thereof and resulting cured cement-type concreations for improved heat and freeze-thaw durability An additive for, a method of adding thereof to uncured mixes for and resulting cured cement-type concreations such as cured embodiments of concrete, marcadam, and roof-top shingles each exhibiting improved heat and freeze-thaw durability resulting from re... | 07/13/1999 |
| 5855667 | Gypsum mixture containing hydrophobic additive and method for hydrophobing gysum A gypsum mixture is disclosed which has hydrophobic additive substantially uniformly dispersed therein and which comprises gypsum, a first silane of the general formula (RO)3 SiR or of the general formula (RO)2 SiR2, and a... | 01/05/1999 |
| 5595594 | Anti-efflorescence admixture for concrete products An anti-efflorescence admixture for concrete products comprising a tall oil fatty acid and a fatty acid, a portion of the acid content of the tall oil fatty acid and/or fatty acid optionally being present in salt form with an alkanolamine or alkylamine, w... | 01/21/1997 |
| 5460648 | Masonry admixture and method of preparing same An additive is provided that comprises a single blend of an acid component and calcium stearate for simultaneously controlling both primary and secondary efflorescence in concrete, and particularly in concrete masonry units such as pavers. A preferred met... | 10/24/1995 |
| 5322562 | Production of cement-mortar dry mix A storable cement-mortar dry mix, which comprises the components cement, aggregate, reaction resin and hardener in a single mixture, wherein the hardener is present as the reaction product of the hardener with an organic acid or a functional derivative th... | 06/21/1994 |
| 5275654 | Cement sealing Cement-to-casing sealing in a wellbore is improved through addition of surfactant to the cement.... | 01/04/1994 |
| 5186749 | High strength water resistant cementitious compositions Previous weather resistant cementitious compositions in which succinic acid derivatives were incorporated to improve weather resistance have been found to suffer from an undesirable decrease in compressive strength. In accordance with the invention, compr... | 02/16/1993 |
| 5076852 | Cementing oil and gas wells A cement method and composition for cementing a well penetrating subterranean formations and aqueous based drilling fluid containing at least one cement retarder characterized by a major proportion of the drilling fluid from the well as it was drilled; wa... | 12/31/1991 |
| 4978392 | Cementitious compositions The invention relates to cementitious compositions having improved fluidity and dispersability and to a method for producing same. For the present invention an ester derived from a polyoxyethylene glycol and a polycarboxylic acid, e.g. polymeric fatty aci... | 12/18/1990 |
| 4880898 | Water-soluble polycondensates based on fatty acids, dialkanolamine and maleic anhydride, a process for their production, hydraulic compositions containing them and their use Water-soluble polycondensates of dialkanolamides, fatty acid diethylaminopolyglycolates and fatty acid diethyl ammonium alkyl polyglycolates, which are first reacted with maleic anhydride in a molar ratio of 1:0.5 to 1:2, followed by reaction of substanti... | 11/14/1989 |
| 4828619 | Air-entraining agent for flyash cement composition The invention relates to a composition comprising flyash cement and an air-entraining agent selected from the group consisting of polyoxyethylene polyalcohol fatty acid esters, polyethylene glycol fatty acid esters, polyoxyethylene pentaerythritol fatty a... | 05/09/1989 |
| 4710226 | Fluidization of limestone slurries and resultant products The method of treating a limestone slurry to remove water therefrom comprising admixing therewith at least about 0.25 part by weight of a fluidizing agent for each 100 parts by weight of solids in said slurry, said fluidizing agent consisting essentially ... | 12/01/1987 |
| 4689083 | Chemical additive for hydraulic cement mixes A hydraulic cement mix comprising a hydraulic cement, aggregate in an amount of up to 80% by weight based upon the total weight of said cement mix, sufficient water to effect hydraulic setting of the cement, and an air-entraining additive consisting essen... | 08/25/1987 |
| 4650520 | Slurry for cementing, especially cementing of lining pipes in drill holes, and method for production of such a slurry A slurry is disclosed which contains a hardening mixture of water and cement, especially for cementing lining pipes into drilling holes. The slurry comprises a first slurry component comprising a dispersion of a hardening cement slurry in a liquid capable... | 03/17/1987 |
| 4453978 | Process for producing an AE fly ash concrete composition This invention relates to a process for producing a concrete mixture containing an AE fly ash cement having substantially no fluctuation of entrained air contained therein regardless of the amount of unburnt carbon in the fly ash which comprises mixing an... | 06/12/1984 |
| 4362566 | One-component hardenable substances stable to storage and activatable by mechanical and/or physical forces and method of producing, activating and applying same Hardenable one-component substances composed of hardenable components and an activator wherein one of the components is contained in a reaction hindering protective casing to inhibit hardening until use are disclosed wherein, as an additional component, h... | 12/07/1982 |
| 4221599 | Pressure compacting of settable gypsum/plaster compositions A settable molding composition comprising a mix of gypsum, plaster, water [which may be provided in whole or in part by utilizing a "wet" gypsum component] and an essentially water-insoluble metallic salt of an organic fatty acid [the "waterproofing" agen... | 09/09/1980 |
| 4190456 | Cementitious composition containing asbestos fibres and prepared using a surfactant Cementitious compositions containing novel asbestos fibres characterized in that the said asbestos fibres are prepared from asbestos-bearing material by a process comprising treating said asbestos-bearing material with a surfactant to form a dispersion an... | 02/26/1980 |
| 3947284 | Method for solidifying sludge A sludge having a water/solid high ratio and containing a substance having a harmful influence upon the setting of portland cement is solidified by mixing the sludge with hydraulic portland cement and at least one substance selected from the group consist... | 03/30/1976 |
| 3947285 | Accelerator The invention relates to an improved accelerator for gypsum board manufacture, the accelerator containing a ground mixture of gypsum and a long chain fatty carboxylic acid, e.g. stearic acid, or a salt thereof, to the manufacture of the accelerator, and t... | 03/30/1976 |