Patents Assigned to Amcol International Corporation
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Patent number: 8025160Abstract: The use of a sulfur-impregnated organoclay provides a mercury or arsenic removal media having increased reactivity, stability, and mercury removal ability. The Hg/As removal media described herein is prepared by impregnating an organophilic clay with elemental (free state) sulfur. Alternatively, the clay can be made organophilic by onium ion reaction prior to or simultaneously with impregnating the organoclay with sulfur.Type: GrantFiled: May 7, 2008Date of Patent: September 27, 2011Assignee: Amcol International CorporationInventors: Zhen Wang, Robert Abraham
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Publication number: 20110220316Abstract: Described herein a method of manufacturing a metal shape that includes contacting a liquid metal and a surface of a foundry core under conditions wherein vein defects occur, the surface of the foundry core comprising a foundry aggregate, a combustible-organic material and a polyurethane resin, and the surface of the foundry core being free of or essentially free of an anti-veining agent; cooling the liquid metal to a temperature below its melting point thereby forming a metal shape; and then removing the foundry core from the metal shape.Type: ApplicationFiled: May 23, 2011Publication date: September 15, 2011Applicant: AMCOL INTERNATIONAL CORPORATIONInventors: Joseph M. Fuqua, Jianbo Di
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Publication number: 20110189249Abstract: 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: ApplicationFiled: September 9, 2009Publication date: August 4, 2011Applicant: AMCOL INTERNATIONAL CORPORATIONInventors: Limin Liu, Ralph Spindler, Gholam-Reza Vakili-Tahami
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Publication number: 20110177736Abstract: Geocomposite articles that can provide a barrier against high conductivity water e.g., ocean water, are described and their method of manufacture, for waterproofing surfaces that contact high conductivity water. The geocomposite article mat includes a woven or non-woven geotextile sheet or mat containing a powdered or granular partially cross-linked acrylamide/acrylate/acrylic acid copolymer across its entire major surface(s). The powdered or granular copolymer has an unexpectedly high free-swell when hydrated with High Conductivity water, such as ocean water. A liquid-impermeable cover sheet is adhered to the upper major surfaces of the filled copolymer-carrying geotextile to provide a primary high conductivity water barrier layer that, if ruptured, is sealed by the swell of an underlying layer of water-insoluble, partially cross-linked acrylamide/acrylic acid copolymer.Type: ApplicationFiled: March 31, 2011Publication date: July 21, 2011Applicant: AMCOL INTERNATIONAL CORPORATIONInventors: Michael Donovan, Thomas W. Beihoffer, Nataliya V. Larionova, Marek R. Mosiewicz
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Publication number: 20110172334Abstract: A method is disclosed concerning discovering how the use of an additive in a polyolefin compound affects the weatherability of that compound, Applying that technique, a weatherable polyolefin nanocomposite is disclosed, which contains UV stabilizers that filter wavelengths in a range influenced by presence of organoclay in the nanocomposite.Type: ApplicationFiled: March 28, 2011Publication date: July 14, 2011Applicants: POLYONE CORPORATION, AMCOL INTERNATIONAL CORPORATIONInventors: Guoqiang QIAN, David JARUS
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Patent number: 7977288Abstract: A coated microparticulate composition comprising a microparticulate; wherein the microparticulate comprises a benefit agent; and wherein the microparticulate is coated with: a Type-1 Polymer, wherein the Type-1 Polymer comprises a cationic polymer with a cationic atom content greater than about 3 wt. % and a weight average molecular weight less than about 800,000 Dalton; and a Type-2 Polymer, wherein the Type-2 Polymer comprises a cationic polymer with a cationic atom content less than about 3 wt. % and a weight average molecular weight greater than about 1,000,000 Dalton.Type: GrantFiled: March 3, 2009Date of Patent: July 12, 2011Assignee: Amcol International CorporationInventor: Ashoke K. SenGupta
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Publication number: 20110123422Abstract: 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: ApplicationFiled: January 31, 2011Publication date: May 26, 2011Applicant: AMCOL INTERNATIONAL CORPORATIONInventor: Zhen Wang
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Patent number: 7943690Abstract: The surface of hydrophobically-modified smectite clays (i.e., organophilic clays) are modified using a hydrophilic polymer, wherein the hydrophilic surface-modification of a hydrophobically-modified smectite clay with a hydrophilic polymer, renders the organoclays adequately dispersible in water.Type: GrantFiled: October 16, 2008Date of Patent: May 17, 2011Assignee: Amcol International CorporationInventors: Ashoke K. SenGupta, David McGregor, Jerald W. Darlington, Jr.
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Patent number: 7935751Abstract: A method is disclosed concerning discovering how the use of an additive in a polyolefin compound affects the weatherability of that compound. Applying that technique, a weatherable polyolefin nanocomposite is disclosed, which contains UV stabilizers that filter wavelengths in a range influenced by presence of organoclay in the nanocomposite.Type: GrantFiled: March 27, 2007Date of Patent: May 3, 2011Assignees: PolyOne Corporation, AMCOL International CorporationInventors: Guoqiang Qian, David Jarus
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Patent number: 7915214Abstract: A cleansing or a surface-conditioning composition comprising a mixture of (i) and (ii) in water: i) a surfactant selected from the group consisting of anionic, non-ionic, zwitterionic, cationic, and mixtures thereof, and ii) a hydrophobic benefit agent in a particulate form having a mean particle size in the range of 1-1,000 micron, and a specific gravity of ?1, not encapsulated within a film or a capsule-like enclosure, the particulate hydrophobic benefit agent comprising: a) a physically-modified form of the hydrophobic benefit agent; and b) a deposition-aid material bonded to the surface of the physically-modified benefit agent material, wherein the bonding between the two said materials is achieved prior to addition to i), wherein said deposition-aid material is not a surfactant having a weight average molecular weight of less than 5,000 Dalton.Type: GrantFiled: February 8, 2008Date of Patent: March 29, 2011Assignee: Amcol International CorporationInventors: Ashoke K. SenGupta, Ilona Lin, Jason St. Onge
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Patent number: 7910005Abstract: The use of a sulfur-impregnated organoclay provides a mercury or arsenic removal media having increased reactivity, stability, and mercury removal ability. The Hg/As removal media described herein is prepared by impregnating an organophilic clay with elemental (free state) sulfur. Alternatively, the clay can be made organophilic by onium ion reaction prior to or simultaneously with impregnating the organoclay with sulfur.Type: GrantFiled: June 5, 2007Date of Patent: March 22, 2011Assignee: Amcol International CorporationInventors: Zhen Wang, Robert Abraham
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Publication number: 20110045726Abstract: 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: ApplicationFiled: August 19, 2009Publication date: February 24, 2011Applicant: AMCOL INTERNATIONAL CORPORATIONInventors: Michael Donovan, Jason M. Logsdon, Marek R. Mosiewicz
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Patent number: 7888306Abstract: A cleansing or a surface-conditioning composition comprising a mixture of (i) and (ii) in water: i) a surfactant selected from the group consisting of anionic, non-ionic, zwitterionic, cationic, and mixtures thereof; and ii) a hydrophobic benefit agent in a particulate form having a mean particle size in the range of 1-1,000 micron, and a specific gravity of ?1, not encapsulated within a film or a capsule-like enclosure, the particulate hydrophobic benefit agent comprising: a) a physically-modified form of the hydrophobic benefit agent; and b) a deposition-aid material bonded to the surface of the physically-modified benefit agent material, wherein the bonding between the two said materials is achieved prior to addition to i), wherein said deposition-aid material is not a surfactant having a weight average molecular weight of less than 5,000 Dalton.Type: GrantFiled: May 14, 2008Date of Patent: February 15, 2011Assignee: Amcol International CorporationInventors: Ashoke K. SenGupta, Ilona Lin, Jason St. Onge, Melanie J. Hughes
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Patent number: 7871524Abstract: 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: June 5, 2007Date of Patent: January 18, 2011Assignee: Amcol International CorporationInventors: Zhen Wang, Robert Abraham
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Patent number: 7871972Abstract: A cleansing or a surface-conditioning composition comprising a mixture of (i) and (ii) in water: i) a surfactant selected from the group consisting of anionic, non-ionic, zwitterionic, cationic, and mixtures thereof; and ii) a hydrophobic benefit agent in a particulate form having a mean particle size in the range of 1-1,000 micron, and a specific gravity of ?1, not encapsulated within a film or a capsule-like enclosure, the particulate hydrophobic benefit agent comprising: a) a physically-modified form of the hydrophobic benefit agent; and b) a deposition-aid material bonded to the surface of the physically-modified benefit agent, wherein the bonding between the benefit agent and the deposition-aid material is achieved prior to addition to i), wherein said deposition-aid material is not a surfactant having a weight average molecular weight of less than 5,000 Dalton.Type: GrantFiled: December 3, 2008Date of Patent: January 18, 2011Assignee: AMCOL International CorporationInventor: Ashoke K. SenGupta
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Publication number: 20100330007Abstract: An improved cosmetic and dermatological composition and a method for treating hyperpigmented skin is disclosed. The composition demonstrates an ability to lighten mammalian skin color and is nonirritating. The composition contains (a) a retinoid loaded onto polymeric microparticles and (b) a second skin lightening agent, like kojic acid or a derivative thereof, such as kojic dipalmitate.Type: ApplicationFiled: January 30, 2009Publication date: December 30, 2010Applicant: AMCOL INTERNATIONAL CORPORATIONInventors: Ralph Spindler, Stepphen J. Urbanec
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Patent number: 7858686Abstract: A heat stabilized polyolefin nanocomposite is disclosed, which contains metal scavengers to heat stabilize the nanocomposite.Type: GrantFiled: March 27, 2007Date of Patent: December 28, 2010Assignees: PolyOne Corporation, AMCOL International CorporationInventors: David A. Jarus, Guoqiang Qian, Roger W. Avakian
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Patent number: 7855251Abstract: A tri-block copolymer is disclosed for use as an impact modifier in polyamide compounds also containing a compatibilizer, preferably also having reinforcing organoclay exfoliated and dispersed therein. The tri-block copolymer comprises an aromatic monomer, an olefin monomer, and a alkyl (meth)acrylate monomer.Type: GrantFiled: September 22, 2005Date of Patent: December 21, 2010Assignees: PolyOne Corporation, AMCOL International CorporationInventors: Marina Rogunova, Ying Liang
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Patent number: 7855173Abstract: A cationic oil-in-water emulsion, for addition to detersive compositions, comprising hydrophilic cationic polymers, a surface-active, anionic polymer that is capable of adsorbing at an air-water interface or an oil-water interface and/or is oil-soluble, and a hydrophobic benefit agent in the oil phase made by adding the benefit agent to a hydrophobic liquid; thickening the oil phase with an organophillic smectite clay reacted at clay platelet surfaces to make the clay platelet surfaces hydrophobic while the edge surfaces of the clay remain hydrophilic, such that the organophillic smectite clay is adsorbed at an oil/water interface in the emulsion, and one of the hydrophilic, cationic polymers has a cationic nitrogen content of at least 6% by weight, that is incompatible with anionic surfactants, being insoluble in anionic-surfactant solutions containing an amount of 3% or higher of an anionic surfactant, and another hydrophilic cationic polymer has a cationic nitrogen content of at least 0.Type: GrantFiled: June 26, 2009Date of Patent: December 21, 2010Assignee: Amcol International CorporationInventors: Ashoke K. SenGupta, Ilona Lin, Jason Harold St. Onge
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Patent number: 7854330Abstract: Reactive geocomposite mats, and their method of manufacture, for treating contaminants in sediment, soil or water that allow the passage of essentially non-contaminated water therethrough. The geocomposite mat includes a pre-formed woven or non-woven geotextile, that is needlepunched to an outer geotextile sheet layer to provide a high loft, structurally secured, pre-formed geotextile having a thickness of about 6 mm to about 200 mm, and having, a porosity sufficient to receive a powdered or granular contaminant-reactive material, contaminant-sorptive material, or a contaminant-neutralizing material (hereinafter collectively referred to as “contaminant-reactant material” or “contaminant-reactive material”) throughout its thickness, or in any portion of the thickness across its entire major surface(s). The powdered or granular contaminant-reactive material is disposed within the pores of the previously formed, high loft geotextile mat to surround the fibers, e.g.Type: GrantFiled: April 28, 2009Date of Patent: December 21, 2010Assignee: AMCOL International CorporationInventors: James T. Olsta, Charles J. Hornaday, Robert J. Trauger, Jerald W. Darlington, Jr.