Patents Assigned to AMCOL INTERNATIONAL
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Publication number: 20130237635Abstract: Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is mixed with the polymerizable polyol and dispersing agents as additives to improve the suspension quality and binder performance of the lignite-containing part of the binder components.Type: ApplicationFiled: April 22, 2013Publication date: September 12, 2013Applicant: AMCOL INTERNATIONAL CORPORATIONInventors: Jianbo Di, Joseph M. Fuqua
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Patent number: 8529920Abstract: A low pH composition containing a retinol and a method for treating skin is disclosed. The composition contains (a) a retinoid and (b) an active acid, like an alpha-hydroxy acid or a beta-hydroxy acid, and has a pH of less than 5.Type: GrantFiled: September 9, 2009Date of Patent: September 10, 2013Assignee: Amcol International CorporationInventors: Limin Liu, Ralph Spindler, Gholam-Reza Vakili-Tahami
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Publication number: 20130203887Abstract: Described herein, in a preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, first mixed with a foundry aggregate and then the humic-aggregate mixture is combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is added as a solid to the foundry aggregate, and improves the binder performance of the lignite-containing part of the binder components.Type: ApplicationFiled: March 14, 2013Publication date: August 8, 2013Applicant: AMCOL INTERNATIONAL CORP.Inventor: AMCOL INTERNATIONAL CORP.
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Publication number: 20130196165Abstract: A hydraulic barrier composition can include granules of a water-swellable clay and a water-soluble polymer. Upon contact with a leachate at least portion of the polymer is solvated by the leachate and becomes entrapped in at least one of clay pores, at clay platelet edges, and between adjacent platelets.Type: ApplicationFiled: January 28, 2013Publication date: August 1, 2013Applicant: AMCOL INTERNATIONAL CORPORATIONInventor: AMCOL INTERNATIONAL CORPORATION
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Patent number: 8481084Abstract: Layered phyllosilicates are useful for adsorbing and/or binding to cholesterol and, thereby, reducing blood cholesterol in a patient. Accordingly, provided herein is a method of reducing hypercholesteremia in a mammal comprising administering to said mammal a protonated and at least partially exfoliated layered phyllosilicate material alone and in combination with other cholesterol-reducing agents in an amount effective to reduce hypercholesteremia in said mammal.Type: GrantFiled: May 21, 2008Date of Patent: July 9, 2013Assignee: Amcol International CorporationInventors: Jerald W. Darlington, Jr., Panayiotis P. Constantinides
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Patent number: 8454773Abstract: In accordance with an embodiment of the disclosure, A water-proofing laminate includes a drainboard having a first surface positioned against a hydraulic source and a second surface opposed to the first surface, a fastener plate positioned against the second surface of the drainboard securing the drainboard to the hydraulic surface, the fastener plate comprising a conductive element and a thermoplastic resin, and a self-healing hydraulic barrier comprising a thermoplastic surface adjoined to a geotextile and carrying a water-absorbent material, the thermoplastic surface inductively welded to the fastener plate.Type: GrantFiled: November 8, 2011Date of Patent: June 4, 2013Assignee: Amcol International CorporationInventor: Robert Cisneros
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Patent number: 8436073Abstract: Described herein, in the preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is mixed with the polymerizable polyol and dispersing agents as additives to improve the suspension quality and binder performance of the lignite-containing part of the binder components.Type: GrantFiled: July 22, 2011Date of Patent: May 7, 2013Assignee: Amcol InternationalInventors: Jianbo Di, Joseph M. Fuqua
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Patent number: 8426494Abstract: Described herein, in a preferred embodiment, is a leonardite-based polyurethane resin binder that may be used, among other applications, as a binder in combination with foundry aggregate, e.g., sand, for molding or casting metal parts. The binders described herein comprise a humic substance, preferably leonardite, first mixed with a foundry aggregate and then the humic-aggregate mixture is combined with a polymerizable polyol, an isocyanate, and a polymerization catalyst to make a polyurethane resin binder in situ in a foundry aggregate, such as sand. The lignite is added as a solid to the foundry aggregate, and improves the binder performance of the lignite-containing part of the binder components.Type: GrantFiled: October 6, 2009Date of Patent: April 23, 2013Assignee: Amcol International Corp.Inventors: Joseph M. Fuqua, Paul Klein
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Patent number: 8420561Abstract: Herein is disclosed a flue gas scrubbing composition, a method of using the flue gas scrubbing composition, and a method of entombing mercury collected with the flue gas scrubbing composition. The flue gas scrubbing composition includes an admixture of a mercury sorbent material that comprises a clay, copper, and sulfur; and lime that comprises calcium oxide and/or calcium hydroxide. The method of collecting mercury from a flue gas includes injecting the flue gas scrubbing composition of any one of the preceding claims into a flue duct comprising the flue gas; reacting the mercury sorbent material with mercury in the flue gas to form a mercury-sorbed material and thereby reducing the concentration of mercury in the flue gas; reacting the lime with SO2, SO3, and/or HCl in the flue gas to form a calcium sulfate and/or a calcium chloride; and collecting a mixture that includes the mercury-sorbed material.Type: GrantFiled: January 31, 2011Date of Patent: April 16, 2013Assignee: Amcol International CorporationInventor: Zhen Wang
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Patent number: 8382990Abstract: The use of a coupling agent containing a mercapto, disulfide, tretrasulfide and/or polysulfide end group provides a mercury removal media having increased reactivity, stability, and mercury removal ability. The mercury removal media described herein is prepared by reacting an organophilic clay containing onium ions with a mercapto, disulfide, tetrasulfide, and/or polysulfide end moiety. Alternatively, the clay can be made organophilic by onium ion reaction prior to or simultaneously with the coupling reaction of the mercapto- or sulfide-end group-containing coupling agent.Type: GrantFiled: September 2, 2011Date of Patent: February 26, 2013Assignee: Amcol International CorporationInventors: Zhen Wang, Robert Abraham
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Patent number: 8318616Abstract: The compositions, articles and methods described herein remain intact for sealing between and around structures that contact salt water. The compositions include: (i) a partially cross-linked polyacrylamide/partially neutralized polyacrylic acid copolymer; (ii) a smectite clay; (iii) an elastomer, e.g., butyl rubber; (iv) a polyolefin polymer or copolymer; and (v) a cationic flocculant, the compositions have exceptional and unexpected free swell and cohesiveness when in contact with high conductivity water or multivalent ion-containing-contaminated water. The articles of manufacture described herein all include a combination of (i) a partially cross-linked acrylamide/acrylate/acrylic acid copolymer; (ii) a smectite clay; (iii) an elastomer, e.g.Type: GrantFiled: August 19, 2009Date of Patent: November 27, 2012Assignee: Amcol International CorporationInventors: Michael Donovan, Jason M. Logsdon, Marek R. Mosiewicz
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Patent number: 8309063Abstract: A stable, oil-in-water (O-W) emulsion-based sunscreen composition having at least one water-insoluble, organic UV-absorber having a water-solubility of much less than 0.1% by weight, contained in the oil phase of the sunscreen emulsion, comprising i) zinc oxide (ZnO) particles having a surface free of any prior coating of any inorganic oxide and hydrophobic material, remaining dispersed in the water phase of the sunscreen emulsion; ii) at least one non- or low-foaming, non-cationic, hydrophilic polymer, capable of dispersing or deflocculating the ZnO particles but incapable of thickening an aqueous composition to a viscosity of greater than 100 cps at 25° C.Type: GrantFiled: June 10, 2005Date of Patent: November 13, 2012Assignee: Amcol International CorporationInventors: Ashoke K. SenGupta, Ilona Lin
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Patent number: 8287210Abstract: A suspension having a specific gravity greater than 1.0 that contains one or more reactive materials, said suspension containing a biopolymer that decomposes over time, thereby releasing the contaminant reactant for contact with the contaminants in the waterway bottom sediment or waterway floor material. In one embodiment, the suspension includes a water-buoyant material, that can be placed underwater over a sub-aqueous waterway bottom or floor that contains a contaminant to be treated or confined and remains in place for treatment and/or confinement. After the suspension is placed, it may be stabilized against movement by applying a confining or weighting layer, such as sand or a water-permeable or water-impermeable geotextile, thereover.Type: GrantFiled: November 17, 2010Date of Patent: October 16, 2012Assignee: Amcol International CorporationInventor: Charles J. Hornaday
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Publication number: 20120255916Abstract: An apparatus and method for heating produced fluid from a well, the heating apparatus comprising a produced fluid pathway; a heat generation system comprising a diesel engine, a heated hydraulic fluid pathway, and an engine coolant pathway; and a heat transfer system disposed between the produced fluid pathway and the heat generation system to transfer thermal energy from the heat generation system to a produced fluid contained within the produced fluid pathway.Type: ApplicationFiled: March 20, 2012Publication date: October 11, 2012Applicant: AMCOL INTERNATIONAL CORPORATIONInventors: Jason Horst, Keith Doucet
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Patent number: 8268744Abstract: A method of preparing a mercury sorbent material comprising making a copper/clay mixture by admixing a dry clay and a dry copper source; making a sulfur/clay mixture by admixing a dry clay and a dry sulfur source; admixing the copper/clay mixture and the sulfur/clay mixture, to form a mercury sorbent pre-mixture; and shearing the mercury sorbent pre-mixture to form the mercury sorbent material. The mercury sorbent material has an interlayer d(001)-spacing of less than 12 ? when the mercury sorbent material contains less than 4 wt % water, and a powder X-ray diffraction pattern of the mercury sorbent material is substantially free of a diffraction peak at 2.73±0.01 ?, and the ?-potential of the mercury sorbent material is greater than the ?-potential of the dry clay.Type: GrantFiled: June 16, 2009Date of Patent: September 18, 2012Assignee: Amcol International CorporationInventor: Zhen Wang
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Patent number: 8262318Abstract: Reactive gabion cage or grid structures, and their methods of manufacture, for controlling contaminants in soil, sediment or water that allow the passage of essentially non-contaminated water therethrough. The articles and methods described herein utilize gabions cages or grids, which are box shaped cages or grids (see FIG. 2) made of either steel wire mesh or plastic. In one embodiment, reactive geotextile mats are disposed on a top major surface of a gabion cage or grid. In other embodiments, the cages or grids surround a geocomposite containing reactive material. The gabion cage or grid structures can be constructed in-situ (at the site of deployment) or remotely (on land or barge) and set in place. They are typically placed side-by-side and, in a preferred embodiment, are configured to cover a target sediment area, underwater. The gabion cages or grids may be filled with clean sediment, silt, sand and/or concrete block or rock to hold the reactive geocomposite in place and for armoring.Type: GrantFiled: January 14, 2010Date of Patent: September 11, 2012Assignee: Amcol International CorporationInventors: James T. Olsta, Charles J. Hornaday
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Publication number: 20120152437Abstract: In accordance with an embodiment of the disclosure, A water-proofing laminate includes a drainboard having a first surface positioned against a hydraulic source and a second surface opposed to the first surface, a fastener plate positioned against the second surface of the drainboard securing the drainboard to the hydraulic surface, the fastener plate comprising a conductive element and a thermoplastic resin, and a self-healing hydraulic barrier comprising a thermoplastic surface adjoined to a geotextile and carrying a water-absorbent material, the thermoplastic surface inductively welded to the fastener plate.Type: ApplicationFiled: November 8, 2011Publication date: June 21, 2012Applicant: AMCOL INTERNATIONAL CORPORATIONInventor: Robert Cisneros
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Patent number: 8188022Abstract: Disclosed herein is a fragrance composition and a method for making the same having a fragrance particulate and a viscoelastic gel; where the composition has enhanced fragrance retention throughout the processing of the composition.Type: GrantFiled: April 13, 2009Date of Patent: May 29, 2012Assignee: AMCOL International CorporationInventors: Tapashi Sengupta, Ashoke K. SenGupta
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Publication number: 20120121334Abstract: A suspension having a specific gravity greater than 1.0 that contains one or more reactive materials, said suspension containing a biopolymer that decomposes over time, thereby releasing the contaminant reactant for contact with the contaminants in the waterway bottom sediment or waterway floor material. In one embodiment, the suspension includes a water-buoyant material, that can be placed underwater over a sub-aqueous waterway bottom or floor that contains a contaminant to be treated or confined and remains in place for treatment and/or confinement. After the suspension is placed, it may be stabilized against movement by applying a confining or weighting layer, such as sand or a water-permeable or water-impermeable geotextile, thereover.Type: ApplicationFiled: November 17, 2010Publication date: May 17, 2012Applicant: AMCOL INTERNATIONAL CORPORATIONInventor: Charles J. Hornaday
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Patent number: D667733Type: GrantFiled: July 30, 2010Date of Patent: September 25, 2012Assignee: AMCOL International CorporationInventors: Thomas W. Beihoffer, Kevin Cureton