Patents Assigned to Amcol International Corporation
  • Patent number: 7575682
    Abstract: 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: Grant
    Filed: April 27, 2007
    Date of Patent: August 18, 2009
    Assignee: AMCOL International Corporation
    Inventors: James T. Olsta, Charles J. Hornaday, Robert J. Trauger, Jerald W. Darlington, Jr.
  • Publication number: 20090197790
    Abstract: The present disclosure is directed to both sprayable and non-sprayable cleaner compositions comprising 1 to 9% by weight of a layered phyllosilicate, 1 to 10% of a surfactant, and at least one silicate salt or strong base as a pH-adjusting agent. The composition optionally can include hypochlorite bleach and the pH of the formulation can be in the range 11 to 14. The composition optionally can include water-insoluble glycol ether type solvents or oils in the form of emulsions or microemulsions for degreasing, disinfecting, and fragrance delivery. The compositions provide improved drip resistance when sprayed on to vertical surfaces.
    Type: Application
    Filed: February 5, 2009
    Publication date: August 6, 2009
    Applicant: AMCOL International Corporation
    Inventors: Tapashi Sengupta, Gregory G. Plutko, Ashoke K. SenGupta, Charvi Patel
  • Publication number: 20090197792
    Abstract: The present disclosure is directed to acidic cleaning compositions comprising 1 to 9% by weight of a layered phyllosilicate in surface modified sodium or protonated forms and pre-dispersed in pre-gel form with and without additives, 1 to 5% of an anionic surfactant, 2-10% of a hydrotope, 0.1-15% solvents, and at least one organic or inorganic acid as a pH-adjusting agent to provide a composition having a pH less than about 4.0. The compositions provide improved viscosity profile, sprayability, and drip resistance when applied to vertical surfaces.
    Type: Application
    Filed: February 5, 2009
    Publication date: August 6, 2009
    Applicant: AMCOL International Corporation
    Inventors: Tapashi Sengupta, Gregory G. Plutko, Jerald W. Darlington, JR., Jason H. St. Onge
  • Patent number: 7569533
    Abstract: 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: Grant
    Filed: January 12, 2006
    Date of Patent: August 4, 2009
    Assignee: Amcol International Corporation
    Inventors: Ashoke K. SenGupta, Ilona Lin, Jason St. Onge
  • Publication number: 20090186091
    Abstract: 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. Also provided are methods of treating a cardiovascular disorder associated with atherosclerosis in a mammalian subject comprising administering to the subject a layered phyllosilicate material in an amount effective to reduce atherosclerotic lesion formation in the subject.
    Type: Application
    Filed: February 27, 2009
    Publication date: July 23, 2009
    Applicant: AMCOL INTERNATIONAL CORPORATION
    Inventor: Jerald W. Darlington, JR.
  • Publication number: 20090186227
    Abstract: A heat stabilized polyolefin nanocomposite is disclosed, which contains metal scavengers to heat stabilize the nanocomposite.
    Type: Application
    Filed: March 27, 2007
    Publication date: July 23, 2009
    Applicants: POLYONE CORPORATION, AMCOL INTERNATIONAL CORPORATION
    Inventors: David Jarus, Guoqiang Qian, Roger W. Avakian
  • Patent number: 7556739
    Abstract: A method of treating a fluid stream underwater comprising integrally attaching a skid to a fluid stream treating vessel so that the fluid stream treating vessel can be disposed on an underwater floor in a position such that an opening in said vessel is at a highest point on said vessel when disposed on the underwater floor; remotely directing a fluid stream treating vessel to an underwater floor location sufficiently close to said fluid stream so that the fluid stream can be remotely attached in fluid communication with said fluid stream treating vessel; remotely connecting said underwater fluid stream to said fluid stream treating vessel for treatment of said fluid stream; treating said fluid stream by contact with a treatment media disposed within said treatment vessel, maintained at equilibrium water pressure at the depth of treatment; and flowing the treated fluid stream out of said treating vessel.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: July 7, 2009
    Assignee: Amcol International Corporation
    Inventors: Anna M. Johnston-Dhuet, Giovanni Occhipinti
  • Patent number: 7553792
    Abstract: The use of two mercury and arsenic removal media: A) a sulfur-impregnated organoclay; and B) a coupling agent-reacted organoclay, wherein the coupling agent preferably contains a mercapto, disulfide, tretrasulfide and/or polysulfide end group provides mercury removal media having increased reactivity, stability, and synergistic mercury removal ability. The preferred mercury removal media described herein is prepared by reacting an organophilic clay containing onium ions A) with elemental sulfur; and B) with a sulfur-containing coupling agent, preferably containing a mercapto, disulfide, tetrasulfide, and/or polysulfide moiety.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: June 30, 2009
    Assignee: Amcol International Corporation
    Inventors: Zhen Wang, Robert Abraham
  • Publication number: 20090162408
    Abstract: 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: Application
    Filed: March 3, 2009
    Publication date: June 25, 2009
    Applicant: AMCOL International Corporation
    Inventor: Ashoke K. SenGupta
  • Publication number: 20090148392
    Abstract: 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: Application
    Filed: December 3, 2008
    Publication date: June 11, 2009
    Applicant: AMCOL International Corporation
    Inventor: Ashoke K. SenGupta
  • Publication number: 20090117393
    Abstract: nuc-PP nanocomposite is made from the mixing of nuc-PP with olefin elastomer and organoclay, and optionally, a dispersion agent. Unexpectedly, processing properties such as higher melt flow, and performance properties such as higher toughness and higher stiffness, are obtained when compared with commercially available PP nanocomposite.
    Type: Application
    Filed: March 5, 2007
    Publication date: May 7, 2009
    Applicants: POLYONE CORPORATION, AMCOL INTERNATIONAL CORPORATION
    Inventors: David A. Jarus, Guoqiang Qian
  • Publication number: 20090104134
    Abstract: An organophilic clay for thickening hydrophobic liquids comprising a layered silicate material, surfaces of said layered silicate material modified by an amphipathic copolymer prepared from a first comonomer that generates a hydrophilic homopolymer that is essentially insoluble in a hydrophobic liquid and a second comonomer that generates a hydrophobic homopolymer that is soluble in a hydrophobic liquid, said organophilic clay containing at least 10% by weight water, based on the dry weight of the layered silicate material.
    Type: Application
    Filed: June 6, 2007
    Publication date: April 23, 2009
    Applicant: AMCOL International Corporation
    Inventors: Ashoke K. SenGupta, David McGregor, Ralph Spindler, Kevin Cureton
  • Publication number: 20090099294
    Abstract: 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: Application
    Filed: October 16, 2008
    Publication date: April 16, 2009
    Applicant: AMCOL International Corporation
    Inventors: Ashoke K. SenGupta, David McGregor, Jerald W. Darlington, JR.
  • Publication number: 20090093665
    Abstract: A method of solidifying toxic or hazardous liquid waste, including the steps of pumping an aqueous waste, e.g., from a drilling fluid holding area; through a shearing device; adding the layered phyllosilicate to said aqueous waste in an amount sufficient to solidify the aqueous waste sufficiently such that the solidified aqueous waste has no free liquid; shearing the pumped aqueous waste, containing said layered phyllosilicate, sufficiently to partially exfoliate the layered phyllosilicate into phyllosilicate platelets and tactoids while in contact with the aqueous waste; pumping the sheared aqueous waste and layered phyllosilicate to a solidification area; and allowing the sheared aqueous waste and partially exfoliated layered phyllosilicate sufficient time to solidify such that there are no free liquids remaining in the solidified waste.
    Type: Application
    Filed: October 4, 2007
    Publication date: April 9, 2009
    Applicant: AMCOL International Corporation
    Inventors: Alan A. Ross, Dave Kotloski, Giovanni Occhipinti
  • Patent number: 7510992
    Abstract: The use of two mercury and arsenic removal media: A) a sulfur-impregnated organoclay; and B) a coupling agent-reacted organoclay, wherein the coupling agent preferably contains a mercapto, disulfide, tretrasulfide and/or polysulfide end group provides mercury removal media having increased reactivity, stability, and synergistic mercury removal ability. The preferred mercury removal media described herein is prepared by reacting an organophilic clay containing onium ions A) with elemental sulfur; and B) with a sulfur-containing coupling agent, preferably containing a mercapto, disulfide, tetrasulfide, and/or polysulfide moiety.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: March 31, 2009
    Assignee: AMCOL International Corporation
    Inventors: Zhen Wang, Robert Abraham
  • Publication number: 20090035233
    Abstract: A powdered composition comprising a liquid or semisolid formulation and a polymeric microparticle delivery system. The powdered composition is capable of converting to the liquid or semisolid composition upon application to a substrate, such as skin or a scalp.
    Type: Application
    Filed: October 4, 2005
    Publication date: February 5, 2009
    Applicant: AMCOL International Corporation
    Inventors: Ralph Spindler, Stephen J. Urbanec, Rosario Oteri
  • Publication number: 20090022818
    Abstract: A liquid cleansing composition comprising a cleansing surfactant, an adsorbed skin-care agent, adsorptive polymeric particles having an adsorption capacity of at least 2 g of skin care agent per gm of dry polymeric particles, a polymeric thickening agent having a molecular weight in the range of 500,000-10,000,000 Dalton, a water-soluble polymer having a molecular weight in the range of 200-50,000 Dalton, and a hydrophilic liquid, the said cleansing composition having the following features i) the low molecular weight, water-soluble polymer component functions as a foam-boosting and thixotropy-boosting agent; ii) the ratio of the Brookfield viscosity at 1 rpm of spindle speed to the Brookfield viscosity at 100 rpm of spindle speed is at least 10; and iii) the foam-volume is at least 20% higher with the water-soluble, polymeric, foam-boosting component than without it.
    Type: Application
    Filed: July 14, 2008
    Publication date: January 22, 2009
    Applicant: AMCOL International Corporation
    Inventors: Ashoke K. SenGupta, Limin Liu, Gholam-Reza Vakili-Tahami, Ralph Spindler
  • Publication number: 20080302731
    Abstract: The use of two mercury and arsenic removal media: A) a sulfur-impregnated organoclay; and B) a coupling agent-reacted organoclay, wherein the coupling agent preferably contains a mercapto, disulfide, tretrasulfide and/or polysulfide end group provides mercury removal media having increased reactivity, stability, and synergistic mercury removal ability. The preferred mercury removal media described herein is prepared by reacting an organophilic clay containing onium ions A) with elemental sulfur; and B) with a sulfur-containing coupling agent, preferably containing a mercapto, disulfide, tetrasulfide, and/or polysulfide moiety.
    Type: Application
    Filed: May 7, 2008
    Publication date: December 11, 2008
    Applicant: AMCOL International Corporation
    Inventors: ZHEN WANG, Robert Abraham
  • Publication number: 20080302733
    Abstract: 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: Application
    Filed: May 7, 2008
    Publication date: December 11, 2008
    Applicant: AMCOL International Corporation
    Inventors: Zhen Wang, Robert Abraham
  • Publication number: 20080302727
    Abstract: 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: Application
    Filed: June 5, 2007
    Publication date: December 11, 2008
    Applicant: AMCOL International Corporation
    Inventors: Zhen Wang, Robert Abraham