Patents Assigned to Vulcan Materials Company
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Publication number: 20130045049Abstract: A traffic bearing structure with a permeable pavement includes a subgrade, a base positioned on top of the subgrade, and a wear surface positioned on top of the base. The base includes aggregate compacted in a single lift, where the aggregate in the base includes different sized particles mixed together. The wear surface includes a permeable pavement. The particle size distribution of the aggregate in the base is selected to provide adequate stability and permeability for the permeable pavement.Type: ApplicationFiled: October 26, 2012Publication date: February 21, 2013Applicant: Vulcan Materials CompanyInventor: Gerald Krzyzak
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Patent number: 8297874Abstract: A traffic bearing structure with a permeable pavement includes a subgrade, a base positioned on top of the subgrade, and a wear surface positioned on top of the base. The base includes aggregate compacted in a single lift, where the aggregate in the base includes different sized particles mixed together. The wear surface includes a permeable pavement. The particle size distribution of the aggregate in the base is selected to provide adequate stability and permeability for the permeable pavement.Type: GrantFiled: February 26, 2010Date of Patent: October 30, 2012Assignee: Vulcan Materials CompanyInventor: Gerald Krzyzak
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Publication number: 20110211908Abstract: A traffic bearing structure with a permeable pavement includes a subgrade, a base positioned on top of the subgrade, and a wear surface positioned on top of the base. The base includes aggregate compacted in a single lift, where the aggregate in the base includes different sized particles mixed together. The wear surface includes a permeable pavement. The particle size distribution of the aggregate in the base is selected to provide adequate stability and permeability for the permeable pavement.Type: ApplicationFiled: February 26, 2010Publication date: September 1, 2011Applicant: Vulcan Materials CompanyInventor: Gerald Krzyzak
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Patent number: 7478771Abstract: Crushed rock is produced by passing rocks through an early stage rock crusher. Crushed rocks that exit the early stage rock crusher are passed across a sizing device. Rocks failing to pass completely through the sizing device are recrushed in a later-stage rock crusher and then passed downwardly through a high-volume air stream which flows within the crusher transversely through the downwardly traveling crushed rocks and extracts fines therefrom prior to exiting of the crushed rocks from the crusher. The fines extracted by the air stream are at least 50% minus 50-mesh.Type: GrantFiled: August 3, 2005Date of Patent: January 20, 2009Assignee: Vulcan Materials CompanyInventor: Mitchell L. Whittaker
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Publication number: 20070029417Abstract: Crushed rock is produced by passing rocks through an early stage rock crusher. Crushed rocks that exit the early stage rock crusher are passed across a sizing device. Rocks failing to pass completely through the sizing device are recrushed in a later-stage rock crusher and then passed downwardly through a high-volume air stream which flows within the crusher transversely through the downwardly traveling crushed rocks and extracts fines therefrom prior to exiting of the crushed rocks from the crusher. The fines extracted by the air stream are at least 50% minus 50-mesh.Type: ApplicationFiled: August 3, 2005Publication date: February 8, 2007Applicant: VULCAN MATERIALS COMPANYInventor: Mitchell Whittaker
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Publication number: 20040225166Abstract: A continuous process is provided for the manufacture of haloalkanes by the reaction of carbon tetrachloride with olefins in the presence of iron metal, trialkylphosphate, and ferric chloride. A fraction of the catalyst and co-catalyst are separated after the reaction and recycled. In a preferred application, the olefin is ethene, and the haloalkane product is 1,1,1,3-tetrachloropropane. Two distillation steps take place in order to enhance the production of 1,1,1,3-tetrachloropropane.Type: ApplicationFiled: August 26, 2003Publication date: November 11, 2004Applicant: VULCAN CHEMICALS A BUSINESS GROUP OF VULCAN MATERIALS COMPANYInventors: Richard L. Wilson, John L. Dawkins
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Publication number: 20040204619Abstract: Isopropyl chloride (IPC) is prepared by the chlorination of propane or propene or propyne, or by any other means resulting in an IPC product containing significant amounts of undesired olefins. Such impure product may be purified by chlorination followed by distillation, by distillation followed by chlorination followed by distillation, by chlorination followed by treatment to reduce chlorine concentration followed by distillation, or by distillation followed by chlorination followed by treatment followed by distillation.Type: ApplicationFiled: March 25, 2004Publication date: October 14, 2004Applicant: VULCAN CHEMICALS a Business Group of Vulcan Materials CompanyInventors: Eric L. Mainz, Richard L. Wilson, John Lee Dawkins, Janice M. Nyberg
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Patent number: 6720466Abstract: A process for economically producing 1,1,1,3,3-pentachloropropane under conditions which preserve the activity of the catalyst. In a preferred embodiment, a two-stage distillation process is employed. In the two-stage process, the size of the equipment, temperature and vacuum are varied.Type: GrantFiled: April 17, 2002Date of Patent: April 13, 2004Assignee: Vulcan Chemicals Division of Vulcan Materials CompanyInventors: Richard L. Wilson, John L. Dawkins, Rodney L. Klausmeyer, James J. Weller
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Publication number: 20030229422Abstract: A chloride dioxide generation system made efficient by the use of a minimum number of seals and the use of a sophisticated computerized control system with the chlorine dioxide generation system comprising a) multiple PID loop control, b) a touch screen interface (HMI), c) automatic flow control of chemical precursors, d) a process controller, e) a minimum number of seals, f) a seal-less vacuum eductor, g) a unit design of the ejector; seal-less tubing connector and seal-less manual flowmeters, h) a vacuum eductor to be used with gas supply and other chemical feeds, i) a mass dispersion chlorine flowmeter to accurately supply amount of chlorine gas, j) an optical chlorine dioxide analyzer looped to the process controller and k) an automatic efficiency control screen.Type: ApplicationFiled: June 9, 2003Publication date: December 11, 2003Applicants: VULCAN CHEMICALS, A BUSINESS GROUP OF VULCAN MATERIALS COMPANYInventors: Edward M. Martens, Earl B. Smith, Gregory J. Beckstrom
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Patent number: 6646020Abstract: A composition useful as a blowing agent having no flash point or reduced combustibility comprising 2-chloropropane and a gas selected from the group consisting of a fluorohydrocarbon, perfluorocarbons, fluoroethers, hydrofluoropolyethers and mixtures thereof is disclosed. A polyisocyanurate foam or a polyurethane modified polyisocyanurate foam having a mainly closed cell structure and also a method for preparing this foam, the latter comprising closed cells wherein a foam blowing agent consisting of a mixture of 2-chloropropane and one or more HFC compounds including pentafluoropropane, pentafluorobutane, heptafluoropropane, hexafluoropropane or pentafluoroethane are disclosed. Pentanes can be added if desired. Azeotropic mixtures in which 2-chloropropane is an ingredient are disclosed.Type: GrantFiled: February 14, 2002Date of Patent: November 11, 2003Assignee: Vulcan Chemicals a division of Vulcan Materials CompanyInventors: Janice M. Nyberg, Eric L. Mainz
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Publication number: 20030199716Abstract: A process for economically producing 1,1,1,3,3-pentachloropropane under conditions which preserve the activity of the catalyst. In a preferred embodiment, a two-stage distillation process is employed. In the two-stage process, the size of the equipment, temperature and vacuum are varied.Type: ApplicationFiled: April 17, 2002Publication date: October 23, 2003Applicant: VULCAN CHEMICALS DIVISION OF VULCAN MATERIALS COMPANYInventors: Richard L. Wilson, John L. Dawkins, Rodney L. Klausmeyer, James J. Weller
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Patent number: 6617479Abstract: Preparing isopropyl chloride (2-chloropropane) employing propylene, hydrochloric acid and ferric chloride catalyst in an isopropyl chloride solution at effective temperatures and pressure to produce 2-chloropropane. The amount of ferric chloride catalyst is less than that conventionally employed and the temperature and pressure are greater than conventionally employed.Type: GrantFiled: August 19, 2002Date of Patent: September 9, 2003Assignee: Vulcan Chemicals division of Vulcan Materials CompanyInventors: Rodney L. Klausmeyer, David E. Brummond
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Publication number: 20020198273Abstract: A composition useful as a blowing agent having no flash point or reduced combustibility comprising 2-chloropropane and a gas selected from the group consisting of a fluorohydrocarbon, perfluorocarbons, fluoroethers, hydrofluoropolyethers and mixtures thereof is disclosed. A polyisocyanurate foam or a polyurethane modified polyisocyanurate foam having a mainly closed cell structure and also a method for preparing this foam, the latter comprising closed cells wherein a foam blowing agent consisting of a mixture of 2-chloropropane and one or more HFC compounds including pentafluoropropane, pentafluorobutane, heptafluoropropane, hexafluoropropane or pentafluoroethane are disclosed. Pentanes can be added if desired. Azeotropic mixtures in which 2-chloropropane is an ingredient are disclosed.Type: ApplicationFiled: February 14, 2002Publication date: December 26, 2002Applicant: Vulcan Chemicals, Division of Vulcan Materials CompanyInventors: Janice M. Nyberg, Eric L. Mainz
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Patent number: 6313360Abstract: A process is provided for the production of 1,1,1,3,3-pentachloropropane. The process comprises: (a) producing a product mixture in a reactor by reacting carbon tetrachloride and vinyl chloride in the presence of a catalyst mixture comprising organophosphate solvent, iron metal and ferric chloride under conditions sufficient to produce 1,1,1,3,3-pentachloropropane; (b) subjecting the 1,1,1,3,3-pentachloropropane containing product mixture from step (a) to evaporation such that a fraction enriched in 1,1,1,3,3-pentachloropropane is separated from the product mixture and a bottoms fraction results which comprises the iron metal/ferric chloride catalyst components and heavy end by-products; and (c) recycling at least a portion of the bottoms fraction from step (b) to the reactor.Type: GrantFiled: September 29, 2000Date of Patent: November 6, 2001Assignee: Vulcan Materials CompanyInventors: Richard Wilson, Rodney Klausmeyer, Lloyd Branam, Derrek Burrows, Jim Strathe, John Dawkins, Theo Lichtenstein, Joseph Weller, John Tummons
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Patent number: 5984993Abstract: A method and composition are provided for controlling odor from waste products. The composition comprises a combination of chlorite salt and nitrate salt. The method includes the step of contacting the waste products or their surrounding airspace with the composition.Type: GrantFiled: March 20, 1998Date of Patent: November 16, 1999Assignee: Vulcan Materials CompanyInventors: Eric L. Mainz, David B. Griffith
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Patent number: 5843315Abstract: Provided is a novel method and system for recovering aggregate fine size particles from a carrying medium. The method comprises:(a) introducing a feed containing particles to a sand screw, and separating the particles into separate groups of large and fine particles, the fine particles being present in a fine particle stream;(b) introducing the fine particle stream from the sand screw to one or more hydraulic centrifugal separators which overflow a fine particle stream and discharge a coarse particle stream;(c) introducing the overflow fine particle stream from the one or more hydraulic centrifugal separators to a thickening tank and removing precipitated material as an underflow stream from a lower portion of the thickening tank; and(d) introducing the underflow from the thickening tank to a filtering unit.Type: GrantFiled: May 10, 1996Date of Patent: December 1, 1998Assignee: Vulcan Materials CompanyInventors: Bruce E. Baughn, Dennis M. McClelland
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Patent number: 5827809Abstract: A stable, oil-in-water macroemulsion cleaner is provided which has low toxicity, rapid evaporation rate and leaves low residue after use. The cleaner comprises perchloroethylene, water, ethanol and/or ethyl acetate, and non-ionic surfactant. The macroemulsion cleaner can be used to remove greasy and oily soils from soiled surfaces, and is non-flammable as an aerosol spray with appropriate propellant formulations.Type: GrantFiled: October 15, 1996Date of Patent: October 27, 1998Assignee: Vulcan Materials CompanyInventors: Eric L. Mainz, Janice M. Nyberg
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Patent number: 5792893Abstract: A novel method for manufacturing 1,1,1,3,3,3-hexachloropropane. Tetrachloromethane is reacted with 1,1-dichloroethene in the presence of a catalyst comprising copper and a solvent selected from a C3 to a C5 alkanenitrile. The 1,1,1,3,3,3-hexachloropropane can be separated from the reaction by-products, unconsumed reactants and catalyst and solvent, which components can be recovered and recycled back to the reactor.Type: GrantFiled: July 9, 1996Date of Patent: August 11, 1998Assignee: Vulcan Materials CompanyInventors: Richard Leroy Wilson, Charles Richard Cupit, Rodney Lee Klausmeyer
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Patent number: 5741346Abstract: The present invention relates to an agricultural fertilizer prepared from animal waste, rock fines, and optionally other ingredients to improve its performance. The process for preparing this fertilizer is within the scope of this invention.Type: GrantFiled: May 30, 1996Date of Patent: April 21, 1998Assignee: Vulcan Materials CompanyInventor: Alexander S. Glover
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Patent number: 5683670Abstract: A process for removing SO.sub.2 from a gas mixture including SO.sub.3 and SO.sub.2 having a volume ratio of SO.sub.3 to SO.sub.2 greater than 1. The process includes intimately contacting the gas mixture in a contacting zone, removing a stream of purified gas containing less SO.sub.2 than the gas mixture from an upper portion of the contacting zone, and removing a stream of sulfuric acid from a lower portion of the contacting zone. Also provided are processes for manufacturing sulfuric acid utilizing the process for removing SO.sub.2 which allow increasing the production of concentrated sulfuric acid solutions by producing more sulfur trioxide without an increase of sulfur dioxide emissions.Type: GrantFiled: June 26, 1996Date of Patent: November 4, 1997Assignee: Vulcan Materials CompanyInventor: Peter Ho Peng