Solid Polymer Derived From Ethylenic Reactants Only, At Least One Of Which Is A Hydrocarbon Other Than Ethylene Patents (Class 524/71)
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Patent number: 12234190Abstract: The present application relates to an electrically conductive asphalt mastic (ECAM) composition that includes an asphalt binder, a mineral filler, and a plurality of conductive carbon microfibers, between 3 and 12 mm in length, which are the sole source of electrical conductivity in the ECAM composition where the conductive carbon microfibers and the mineral filler are dispersed in the asphalt binder, and wherein said conductive carbon microfibers are present in the ECAM composition in an amount of less than 2.00% of total volume of the ECAM composition. The application further relates to an electrically conductive asphalt concrete (ECAC) composition that includes an asphalt binder, a mineral filler, an aggregate, and a plurality of conductive carbon microfibers, where the conductive carbon microfibers are the sole source of electrical conductivity in the electrically conductive asphalt concrete composition.Type: GrantFiled: July 16, 2020Date of Patent: February 25, 2025Assignee: IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.Inventors: Halil Ceylan, Ali Arabzadeh, Sunghwan Kim, Alireza Sassani, Kasthurirangan Gopalakrishnan, Mohammad Ali Notani
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Patent number: 11459274Abstract: A method and system for generating a tire rubber asphalt compound is described. The method includes receiving an asphalt compound and heating the asphalt compound to approximately 320° F. to 420° F. The method then proceeds to add tire rubber to the asphalt compound. The asphalt compound and the scrap tire rubber are mixed for approximately 5 minutes to 360 minutes during heating to approximately 525° F. to 700° F. to generate the tire rubber asphalt compound. The tire rubber asphalt compound is then cooled.Type: GrantFiled: November 2, 2020Date of Patent: October 4, 2022Assignee: ASPHALT SCIENCES LLCInventors: Joseph Randall Bruns, Hashem Hashemi
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Patent number: 11358863Abstract: A composition and method for chlorine dioxide production through reaction-diffusion chemistry that facilitates the in situ generation of chlorine dioxide, wherein a dry solid composition of hydroxymethanesulfinic acid monosodium salt dihydrate (abbreviated HMS) and a chlorine dioxide precursor are activated via the addition or absorption of water to produce chlorine dioxide. The dry solid chemical composition comprises dry, safe, transportable reagents that integrate with polymeric materials such as packaging and superabsorbent and stimuli-responsive hydrogel polymers to combine with water to produce chlorine dioxide.Type: GrantFiled: January 30, 2020Date of Patent: June 14, 2022Assignee: Brandeis UniversityInventors: Christopher J. Doona, Florence E. Feeherry, Kenneth Kustin, Irving R. Epstein
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Patent number: 10843966Abstract: A method and system for generating a tire rubber asphalt compound is described. The method includes receiving an asphalt compound and heating the asphalt compound to approximately 320° F. to 420° F. The method then proceeds to add tire rubber to the asphalt compound. The asphalt compound and the scrap tire rubber are mixed for approximately 60 minutes to 360 minutes during heating to approximately 525° F. to 700° F. to generate the tire rubber asphalt compound. The tire rubber asphalt compound is then cooled.Type: GrantFiled: January 23, 2019Date of Patent: November 24, 2020Assignee: ASPHALT SCIENCES LLCInventors: Joseph Randall Bruns, Hashem Hashemi
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Patent number: 10626016Abstract: A composition and method for chlorine dioxide production through reaction-diffusion chemistry that facilitates the in situ generation of chlorine dioxide, wherein a dry solid composition of hydroxymethanesulfinic acid monosodium salt dihydrate (abbreviated HMS) and a chlorine dioxide precursor are activated via the addition or absorption of water to produce chlorine dioxide. The dry solid chemical composition comprises dry, safe, transportable reagents that integrate with polymeric materials such as packaging and superabsorbent and stimuli-responsive hydrogel polymers to combine with water to produce chlorine dioxide.Type: GrantFiled: November 27, 2017Date of Patent: April 21, 2020Assignee: Brandeis UniversityInventors: Christopher J. Doona, Florence E. Feeherry, Kenneth Kustin, Irving R. Epstein
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Patent number: 10550267Abstract: A method of waterproofing or damp proofing a protected member having a surface with a sulfur-extended elastomer asphalt binder composition uses a sulfur-extended elastomer asphalt binder composition that includes elemental sulfur, an elastomer and an asphalt binder. The method includes the steps of combining the elastomer with the asphalt binder maintained at an elastomer mixing temperature such that an intermediate asphalt binder mixture forms, and combining elemental sulfur with the intermediate asphalt binder maintained at a sulfur mixing temperature such that the sulfur-extended elastomer asphalt binder composition forms. The method also includes the step of applying the sulfur-extended elastomer asphalt binder composition to the surface of the protected member such that the sulfur-extended elastomer asphalt binder composition contacts, adheres to and forms a layer upon the surface of the protected member. The asphalt binder composition is applied at a temperature no greater than 145° C.Type: GrantFiled: March 20, 2017Date of Patent: February 4, 2020Assignees: SAUDI ARABIAN OIL COMPANY, KING FAHD UNIVERSITY OF PETROLEUM AND MINERALSInventors: Mohammed Al-Mehthel, Hamad I. Al-Abdul Wahhab, Saleh H. Al-Idi, Ibnelwaleed A. Hussein
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Patent number: 10487459Abstract: A method of installing an asphalt pavement, which method involves: identifying a surface to be paved; applying a non-tracking layer of binder composition to the surface; and permitting the application of an asphalt layer over the non-tracking layer of binder composition. The binder composition consists essentially of: at least one asphalt binder; at least one elastomer; and ethylene bis stearamide. In a further embodiment the binder composition consists essentially of: at least one asphalt binder; at least one elastomer; sulfur; and ethylene bis stearamide. The composition is applied as a tack coat and/or a stress absorbing membrane interlayer and is non-tracking.Type: GrantFiled: February 22, 2019Date of Patent: November 26, 2019Assignee: Heritage Research GroupInventors: Anthony J. Kriech, Marvin Exline, James Joseph Cunningham, Andreas Redick Horton
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Patent number: 10316172Abstract: A composition of matter includes a particle, a resin bonding functionality bonded to a first portion of the particle, and a lubricating functionality bonded to a second portion of the particle.Type: GrantFiled: November 15, 2017Date of Patent: June 11, 2019Assignee: International Business Machines CorporationInventors: Sarah K. Czaplewski, Joseph Kuczynski, Jason T. Wertz, Jing Zhang
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Patent number: 9982398Abstract: A hopper insert for an asphalt paving machine. The hopper insert provides for passive mixing of asphalt material, and also provides a dual capacity loading option. Two upper baffles extend across an open upper end of the hopper insert. A grate extends between the upper baffles. Asphalt material is received on top of the grate between the upper baffles.Type: GrantFiled: June 9, 2017Date of Patent: May 29, 2018Assignee: Wirtgen America, Inc.Inventors: Laikram Narsingh, James E. Meridieth, Jay Scott Johnson
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Patent number: 9879128Abstract: A composition of matter includes a particle, a resin bonding functionality bonded to a first portion of the particle, and a lubricating functionality bonded to a second portion of the particle.Type: GrantFiled: March 9, 2016Date of Patent: January 30, 2018Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Sarah K. Czaplewski, Joseph Kuczynski, Jason T. Wertz, Jing Zhang
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Patent number: 9493633Abstract: The present invention generally relates to the discovery that a blend of linear and branched amide wax additives can be used to enhance the performance of asphalt binders and asphalt emulsion residues. In particular, high temperature properties of asphalt pavement can be improved while maintaining or improving low temperature properties. The additives also improve workability and lower processing temperatures for asphalt paving (e.g. warm mix) or for roofing. These amide wax additives can reduce the tracking of tack coats, by decreasing binder penetration and forming a non-tacky surface layer.Type: GrantFiled: March 11, 2014Date of Patent: November 15, 2016Assignee: AKZO NOBEL CHEMICALS INTERNATIONAL B.V.Inventors: John M. Rowland, Ralph Franklin, Stephanie Hogendoorn
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Patent number: 9464180Abstract: There is provided a method of fabricating a composite material, the method comprising providing borehole solids originating from a borehole in the earth and embedding the borehole solids in a base material thereby forming the composite material, wherein the base material comprises a polymer. According to an embodiment, the borehole solids contain oil, e.g. on a surface thereof. The oil containing borehole solids may be preprocessed before embedding or may be directly embedded in the base material without preprocessing. Such embodiments allow for a recycling of oil contaminated borehole solids while providing a resource for a filler for polymers.Type: GrantFiled: September 14, 2012Date of Patent: October 11, 2016Assignee: Montanuniversität LeobenInventors: Herbert Hofstätter, Clemens Holzer
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Patent number: 9376565Abstract: The invention includes a composition to coat a substrate comprising: an asphalt material; a polymer that is not a polyol; and a polyol. The polyol has a molecular weight of about 1000 to about 5000 and/or the polyol is present in an amount no greater than about 30% by weight of the total composition. Also included are coated articles that comprise a substrate coated with a coating layer, wherein the coating layer is formed from a composition that comprises: an asphalt material, a polymer that is not a polyol; and a polyol. Also included are methods of improving the processability of a asphalt material comprising combining together an asphalt material, a polymer that is not a polyol, and a polyol, wherein the resultant composition exhibits improved processability as compared to an asphalt composition that does not contain a polyol.Type: GrantFiled: November 30, 2012Date of Patent: June 28, 2016Assignee: Henry Company, LLCInventors: Dusan V. Subotic, Larisa Kasaitskaya, Shawn Melancon
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Patent number: 9321937Abstract: Provided are a polychloroprene latex giving a rubber-asphalt composition superior in low-temperature stability and film-forming property on the material to be coated, a rubber-asphalt composition and a utilization method thereof, a sheet, and a waterproof coating film. The rubber-asphalt composition includes a major agent containing 10 to 40 mass % of the anionic polychloroprene latex comprising potassium ions in an amount of 0.7 to 1.5 parts by mass and sodium ions in an amount of controlled to be 0.2 part by mass or less with respect to 100 parts by mass of the solid matter and 60 to 90 mass % of an anionic asphalt emulsion; and a coagulating agent of an aqueous solution containing a polyvalent metal salt as the principal component.Type: GrantFiled: March 25, 2011Date of Patent: April 26, 2016Assignee: Denka Company LimitedInventors: Ikuka Hashimoto, Kenji Mochizuki, Takeo Mori
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Patent number: 9173855Abstract: Disclosed is a patch which is a formulation including deposited clonidine crystals and provides stable transdermal absorbability even after storage at varying temperatures. The patch disclosed includes a backing and a medicated layer integrally superposed on one surface of the backing. The medicated layer contains: 5 to 30% by weight of clonidine including clonidine in a crystallized state; 25 to 90% by weight of a macromolecular base (A) having a viscosity-average molecular weight of 800,000 or larger; and 5 to 60% by weight of a liquid additive capable of dissolving the clonidine. The weight ratio of the liquid additive to the macromolecular base (A) [the liquid additive/the macromolecular base (A)] is 0.1 to 2.0.Type: GrantFiled: November 2, 2011Date of Patent: November 3, 2015Assignee: SEKISUI MEDICAL CO., LTD.Inventors: Hiroko Udagawa, Yoshikazu Inaba, Yukihiko Noda, Kumi Obata, Hiroto Terashima
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Patent number: 9127153Abstract: The present invention relates to molding and overmolding compositions for delicate components. More particularly the invention relates to compositions for low pressure molding and overmolding, making these compositions particularly well suited for electronic devices. The molding and overmolding composition is suitable for low pressure injection molding processes, particularly at 0.5 to 200 bars at 70° C. to 240° C.Type: GrantFiled: March 14, 2013Date of Patent: September 8, 2015Assignee: HENKEL IP & HOLDING GMBHInventors: Cynthia L. Cain, Charles W. Paul, Maria Cristina Barbosa DeJesus
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Patent number: 9074099Abstract: The invention provides a bituminous composition comprising a bitumen in an amount ranging from 20 to 80% wt, a copolymer comprising one or more vinyl aromatic compounds and one or more conjugated dienes, in an amount of 0.1 to 7 % wt, and sulphur in an amount of 20 to 60% wt, all percentages based on the weight of bitumen, copolymer and sulphur. It further provides a process for making this composition and asphalt compositions comprising such bituminous composition.Type: GrantFiled: February 23, 2011Date of Patent: July 7, 2015Assignee: Shell Oil CompanyInventors: Majid Jamshed Chughtai, Jacques Colange, Denis Lebas, David Strickland
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Publication number: 20150133587Abstract: This invention encompasses systems, methods, and apparatuses for low temperature preparation of rubber modified asphalt cement as well as resulting compositions.Type: ApplicationFiled: January 16, 2015Publication date: May 14, 2015Inventor: Theodore P. Flanigan
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Publication number: 20150133586Abstract: Compositions and method for an asphalt and polymer composition including a Styrene-Butadiene block copolymer wherein the styrene content of said block copolymer does not exceed 30%.Type: ApplicationFiled: October 17, 2014Publication date: May 14, 2015Applicant: Innophos, Inc.Inventor: JEAN VALERY MARTIN
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Patent number: 9029439Abstract: An additive for a bitumen or polymer modified bitumen product, which is prepared by mixing together a sulphur-based product, a vulcanized rubber, for example, a waste vulcanized rubber, preferably a fatty acid, and a bitumen, is described. The use of this additive for preparing, with very limited gaseous emissions, elastomer-containing bituminous product is also described. Such use may be especially suitable for making bituminous coated material including, for example, asphalt concrete.Type: GrantFiled: January 28, 2011Date of Patent: May 12, 2015Assignee: Rhodia (China) Co., Ltd.Inventors: Claude-Emmanuel Hedoire, Gilles Orange, Xiao Ping You
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Patent number: 9018279Abstract: Disclosed are methods for producing rubber-containing bituminous mixtures by pressurizing mixtures of bituminous materials, crumb rubber, and one or more suspension agents with a gas, and then reducing the pressure, creating bubbles of the gas in the mixture. Also disclosed are methods of introducing gas into such mixture by rapid mixing. Mixtures produced by the disclosed methods, such as rubber-containing asphalt mixtures and paving compositions thereof, and their use are also disclosed.Type: GrantFiled: December 5, 2012Date of Patent: April 28, 2015Assignees: Polymer Consultants, Inc., Innovative Polymer Solutions, Inc.Inventors: David L. Bangs, Peter C. Blyth
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Publication number: 20150087753Abstract: The present disclosure relates to asphalt paving compositions and methods of making and using the same.Type: ApplicationFiled: September 23, 2014Publication date: March 26, 2015Inventors: Robert KOLEAS, Andrew CLAYTON, Gary PORRITT
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Patent number: 8980377Abstract: A transparent, non-yellowing, polymer-clay, concrete sealer and methods for making and applying the same. The disclosed clay-based sealer provides a tough, ultraviolet-light-, temperature-, and abrasion-resistant layer that effectively protects surfaces from moisture penetration, staining, dirt, dust, and wear. The substrates to which the clay-based sealer may be applied include, but are not limited to, above and below grade concrete structures, brick, concrete masonry unit (CMU) block, grout, plaster, gunite, tile, and aggregate. The clay-based sealer may easily be applied with airless or air-assisted sprayers, or by roller, brush, or applicator pad. Once applied, the sealer requires minimal maintenance.Type: GrantFiled: April 20, 2012Date of Patent: March 17, 2015Inventors: Eduard A. Stefanescu, Sunil V. Kulkarni
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Patent number: 8969442Abstract: This invention encompasses rubber modified asphalt cement compositions, as well as systems, apparatuses, methods for preparing, as well as methods for using rubber-modified asphalt cement compositions.Type: GrantFiled: September 25, 2013Date of Patent: March 3, 2015Assignee: Wright Asphalt Products CompanyInventor: Theodore P. Flanigan
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Publication number: 20150051323Abstract: The present invention relates to a binder compound based on natural oil, polymer and resin. Such binder compounds can for example be used in roof covering membranes as an environmentally friendly alternative to bituminous roof covering membranes.Type: ApplicationFiled: March 10, 2014Publication date: February 19, 2015Applicant: S.A. Imperbel N.V.Inventors: Hans AERTS, Nicolas MARTIN, Michel ZWIJSEN, Eric BERTRAND, Renaud VERDEBOUT
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Patent number: 8952092Abstract: A non-carboxylated styrene-butadiene copolymer, preparation method and use thereof are provided. The non-carboxylated styrene-butadiene copolymer is prepared by hot polymerization in the absence of acid monomers and is used in asphalt-based systems such as asphalt emulsions.Type: GrantFiled: October 13, 2011Date of Patent: February 10, 2015Assignee: BASF SEInventors: Kostas S Avramidis, William J Kirk
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Patent number: 8952082Abstract: This invention encompasses asphalt cement emulsions, as well as methods for preparing a pre-treated rubber-modified asphalt cement emulsions and methods for coating industrial surfaces using asphalt cement emulsions.Type: GrantFiled: December 7, 2012Date of Patent: February 10, 2015Assignee: Wright Advanced Asphalt SystemsInventor: Theodore P. Flanigan
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Publication number: 20140309343Abstract: Provided herein is a multifunctional particle and methods of forming the same. The multifunctional particle includes: a silica particle; a hydrophobic silane; and a silane coupling agent; where each of the hydrophobic silane and the silane coupling agent are chemically bonded to the surface of the silica particle; where the multifunctional particle is superhydrophobic and chemically reactive.Type: ApplicationFiled: November 11, 2012Publication date: October 16, 2014Inventors: Peter Craig Venema, Brent William Barbee, Jordan Moriah Larson
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Publication number: 20140283710Abstract: An additive for reclaiming asphalt of the present invention, which is obtained by adding straight asphalt to a mixture of a waste animal or vegetable oil and a waste mineral oil having a kinematic viscosity at 60° C. of 10 mm2/s to 40 mm2/s, mixing the materials, and heating the resultant mixture to remove an aromatic component. The additive for reclaiming asphalt can restore the physical properties of a deteriorated asphalt component to the same or greater extent than that of a conventional additive for reclaiming asphalt, and the additive has low content of components that may affect the environment or humans, and high fluidity at room temperature, and is available at an extremely low cost.Type: ApplicationFiled: June 4, 2014Publication date: September 25, 2014Inventor: YUKIO KUSANO
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Patent number: 8784554Abstract: Asphalt compositions and products comprising petroleum asphalt, polyolefin, and a wax.Type: GrantFiled: December 5, 2011Date of Patent: July 22, 2014Inventors: Premnathan Naidoo, Patrick Keating
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Patent number: 8772381Abstract: The present disclosure relates to the use of 2 to 6% by mass of Fischer-Tropsch waxes in a cross-linked bitumen/polymer composition for improving the cross-linked bitumen/polymer composition's resistance to aggressive chemical agents.Type: GrantFiled: October 29, 2010Date of Patent: July 8, 2014Assignee: Total Raffinage MarketingInventors: Sylvia Harders, Julien Chaminand
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Patent number: 8772380Abstract: Disclosed herein are an asphalt concrete mixture, an asphalt binder composition, and methods of preparing the related compositions. The asphalt binder compositions include a polyphosphoric acid, a macromolecular polymer having a saturated backbone with macromolecular modifications, and sulfur. The compositions are capable of being performance graded.Type: GrantFiled: November 3, 2010Date of Patent: July 8, 2014Assignee: Saudi Arabian Oil CompanyInventors: Milind M. Vaidya, Anwar H. Khawajah, Rashid M. Othman, Laurand Lewandowski
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Patent number: 8748517Abstract: The present disclosure relates to a mother solution free from oil of petroleum origin including at least one oil of vegetable and/or animal origin, from 20% to 50% by mass of polymer, with respect to the mass of the mother solution, with or without at least one cross-linking agent, the oil of vegetable and/or animal origin being acid, with an acid value measured according to the standard NF EN ISO 660 including between 50 and 300 mg KOH/g. This mother solution with a very high concentration of polymer is stable and does not gel and can therefore be diluted and used for preparing cross-linked bitumen/polymer compositions, then bituminous mixes.Type: GrantFiled: October 14, 2010Date of Patent: June 10, 2014Assignee: Total Raffinage MarketingInventors: Sylvia Harders, Guillaume Dulac
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Publication number: 20140155523Abstract: A raw elastomeric composition in free-flowing pellet form is described, which comprises a raw elastomer with molecular weight from 50,000 to 400,000 Da, and an anti-block agent comprising inorganic fillers, capable of forming emulsions in water. Likewise, a process for obtaining said raw elastomeric compositions in free-flowing pellet form, comprising the steps of: a) polymerizing at least one monomer through solution polymerization in order to obtain elastomer crumb; b) forming an aqueous suspension of the elastomer crumbs; c) dewatering the aqueous suspension; d) adding an anti-block agent comprising inorganic fillers capable of forming emulsions in water; e) drying the dewatered suspension; and f) pelletizing the elastomer to form a raw elastomeric composition in free-flowing pellets form. The raw elastomeric composition in free-flowing pellets form thus obtained can be used as an adhesive composition, in asphalt modification and in asphalt emulsions.Type: ApplicationFiled: March 21, 2012Publication date: June 5, 2014Applicant: DYNASOL ELASTOMEROS, S.A. DE C.V.Inventors: Gabriel Hernández-Zamora, Ricardo Sánchez-Ortega, Zenón Rodríguez-Juarez, Ismael Camacho-Salas, Sergio Moctezuma-Espiricueto
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Publication number: 20140135431Abstract: Methods are provided for upgrading the quality of an asphalt. The methods include mixing an asphalt feed with a cracking resistance additive that improves the low temperature properties of the asphalt while leaving the high temperature properties unchanged or minimally changed. The cracking resistance additive corresponds to a compound that is a liquid at both the low temperature performance grade for the asphalt and at mixing and/or storage temperature for the asphalt. Examples of compounds that, in an appropriate molecular weight range, are liquids across this broad temperature range include polyalphaolefins, alkylated naphthalenes, and organic esters.Type: ApplicationFiled: November 12, 2012Publication date: May 15, 2014Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventor: ExxonMobil Research and Engineering Company
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Publication number: 20140128515Abstract: A process of preparing a polymer modified asphalt (PMA) comprising mixing a predetermined amount of a polymer-asphalt master batch with a predetermined amount of an asphalt-cross linking agent blend. The polymer-asphalt master batch comprises at least one polymer and a first asphalt. The asphalt-cross linking agent blend comprises a second asphalt and at least one cross linking agent. A predetermined amount of the polymer-asphalt master batch is blended with a predetermined amount of the asphalt-cross linking agent blend to form a PMA blend. Mixing of the PMA blend is performed without substantial delay following blending of the polymer-asphalt master batch with the asphalt-cross linking agent blend.Type: ApplicationFiled: January 14, 2014Publication date: May 8, 2014Applicant: Husky Oil Operations LimitedInventors: Susanna Ho, Daryl MacLeod, James Brown, Lloyd Gee, Ludo Zanzotto
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Patent number: 8697782Abstract: Cross-linked rubber obtained from a rubber composition, which comprises 100 parts by weight of EPDM, 5-120 parts by weight carbon black, 70-150 parts by weight of fine bituminous powder, and 0.2-8 parts by weight of an organic peroxide, has distinguished heat resistance and sealability, and can suppress blister generation due to pressure changes when used in contact with carbon dioxide, and is specifically distinguished foaming-resistance characteristics due to abrupt pressure reduction of carbon dioxide, which are the necessary characteristics of seal material for carbon dioxide refrigerant, and also distinguished compression set characteristics, which determine the product life at elevated temperatures, and thus is suitable for use as carbon dioxide seal materials, such as O rings, packings, gaskets, oil seals, valves, etc.Type: GrantFiled: June 11, 2008Date of Patent: April 15, 2014Assignee: NOK CorporationInventor: Takeshi Sato
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Patent number: 8697783Abstract: A roofing membrane that includes a blend of thermoplastic polyurethane and petroleum liquid so as to improve the UV stability of the blend without adversely affecting the flexibility of the dried and/or cured blend.Type: GrantFiled: August 28, 2012Date of Patent: April 15, 2014Assignee: Garland Industries, Inc.Inventor: Jason Smith
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Patent number: 8679245Abstract: The present invention provides a functionally dry warm mix asphalt binder composition modified with lubricating agents or additives that can be mixed with aggregate and compacted at temperatures substantially below asphalt binder compositions that do not contain the disclosed lubricating additives.Type: GrantFiled: November 21, 2012Date of Patent: March 25, 2014Assignees: A.L.M. Holding Company, Ergon Asphalt & Emulsions, Inc.Inventors: Gerald H. Reinke, Gaylon L. Baumgardner, Steven L. Engber
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Patent number: 8664304Abstract: This invention encompasses rubber modified asphalt cement compositions, as well as systems, apparatuses, methods for preparing, as well as methods for using rubber-modified asphalt cement compositions.Type: GrantFiled: June 11, 2012Date of Patent: March 4, 2014Assignee: Wright Asphalt Products CompanyInventor: Theodore P. Flanigan
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Patent number: 8664302Abstract: A process of preparing a polymer modified asphalt (PMA) comprising mixing a predetermined amount of a polymer-asphalt master batch with a predetermined amount of an asphalt-cross linking agent blend. The polymer-asphalt master batch comprises at least one polymer and a first asphalt. The asphalt-cross linking agent blend comprises a second asphalt and at least one cross linking agent. A predetermined amount of the polymer-asphalt master batch is blended with a predetermined amount of the asphalt-cross linking agent blend to form a PMA blend. Mixing of the PMA blend is performed without substantial delay following blending of the polymer-asphalt master batch with the asphalt-cross linking agent blend.Type: GrantFiled: September 30, 2008Date of Patent: March 4, 2014Assignee: Husky Oil Operations LimitedInventors: Susanna Ho, Daryl MacLeod, James Brown, Lloyd Gee, Ludo Zanzotto
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Patent number: 8664303Abstract: In a first aspect, bituminous asphalt binder materials which are modified by the addition of crumb rubber or ground tire rubber are described. In a second aspect, the present invention is directed to methods of producing a modified asphalt binder containing crumb rubber or ground tire rubber. The modified asphalt binders comprise neat asphalt, crumb rubber, one or more synthetic polymers, and one or more acids. The crumb rubber may be obtained from recycled truck and/or automobile tires.Type: GrantFiled: October 29, 2008Date of Patent: March 4, 2014Assignee: Innophos, Inc.Inventor: Jean-Valery Martin
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Publication number: 20140058018Abstract: A method for making a modified polymer is characterized by re-capsulating the polymer via extrusion. A cross-linking agent is mixed with particles of synthetic rubber material to form a mixture which is then heated and delivered to an extrusion device. The extrusion device further heats the mixture and produces strands of modified polymer material which are cooled and pelletized to form small pellets of re-capsulated modified polymer. A partitioning or anti-blocking agent is added to the pellets to prevent re-agglomerization of the modified polymer. When mixed with asphalt for a sufficient period of time, a modified polymer asphalt is produced with enhanced rheological properties for high and low temperatures.Type: ApplicationFiled: November 1, 2013Publication date: February 27, 2014Inventor: G. Mohammed Memon
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Patent number: 8653189Abstract: The present invention relates to oil-extended styrenic block copolymer compositions that include a thermoplastic polymer, such as polystyrene, and a styrenic block copolymer, especially a linear styrene-butadiene-styrene triblock copolymer, with a styrene content less than 23 percent by weight, based upon total composition weight. The compositions yield very thin polymeric films with satisfactory physical properties.Type: GrantFiled: February 18, 2008Date of Patent: February 18, 2014Assignee: TSRC (USA) Investment CorporationInventor: Andre J. Uzee
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Patent number: 8652246Abstract: A viscous composition for making a layer and/or a coating for a road track or a building, and containing a viscous fraction. The viscous fraction mainly contains vegetable pitch, in particular tall oil pitch, and a phenolic modified rosin.Type: GrantFiled: April 21, 2008Date of Patent: February 18, 2014Assignee: Eiffage Travaux PublicsInventors: Jean-Pierre Antoine, Jéròme Marcilloux
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Publication number: 20140024735Abstract: The disclosure includes a process for preparing cross-linked bitumen/polymer compositions without adding a cross-linking agent, the process comprising contacting at least one bitumen with at least one polymer, and subjecting a mixture of the bitumen and the polymer to electromagnetic wave radiation in a high frequency and/or microwave range.Type: ApplicationFiled: February 8, 2012Publication date: January 23, 2014Applicant: TOTAL MARKETING SERVICESInventors: Sylvia Harders, Julien Chaminand, David Vuillot, Jean-François Rochas
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Publication number: 20140024747Abstract: This invention encompasses rubber modified asphalt cement compositions, as well as systems, apparatuses, methods for preparing, as well as methods for using rubber-modified asphalt cement compositions.Type: ApplicationFiled: September 25, 2013Publication date: January 23, 2014Applicant: Wright Asphalt Products CompanyInventor: Theodore P. Flanigan
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Publication number: 20140013693Abstract: An asphaltic sheet comprising an asphaltic component including an asphalt binder and expandable graphite.Type: ApplicationFiled: March 14, 2013Publication date: January 16, 2014Applicant: FIRESTONE BUILDING PRODUCTS CO., LLCInventor: FIRESTONE BUILDING PRODUCTS CO., LLC
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Publication number: 20130303666Abstract: An additive for a bitumen or polymer modified bitumen product, which is prepared by mixing together a sulphur-based product, a vulcanized rubber, for example, a waste vulcanized rubber, preferably a fatty acid, and a bitumen, is described. The use of this additive for preparing, with very limited gaseous emissions, elastomer-containing bituminous product is also described. Such use may be especially suitable for making bituminous coated material including, for example, asphalt concrete.Type: ApplicationFiled: January 28, 2011Publication date: November 14, 2013Applicant: RHODIA (CHINA) CO., LTD.Inventors: Claude-Emmanuel Hedoire, Gilles Orange, Xiao Ping You
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Publication number: 20130289172Abstract: A non-carboxylated styrene-butadiene copolymer, preparation method and use thereof are provided. The non-carboxylated styrene-butadiene copolymer is prepared by hot polymerization in the absence of acid monomers and is used in asphalt-based systems such as asphalt emulsions.Type: ApplicationFiled: October 13, 2011Publication date: October 31, 2013Applicant: BASF SEInventors: Kostas S. Avramidis, William J. Kirk