Carbohydrate Patents (Class 106/720)
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Patent number: 10961428Abstract: A method of preparing a cement may include: defining one or more engineering parameters of a proposed cement slurry; selecting at least: a cement and mass fraction thereof and at least one supplementary cementitious material and mass fraction thereof; a retarder and mass fraction thereof; and a water and mass fraction thereof, such that a slurry formed from the cement, the at least one supplementary cementitious material, the retarder, and the water meets at least one of the one or more engineering parameters and has a property of being capable of remaining in a pumpable fluid state for a period of about 1 day or greater at a temperature of about 80° F. in quiescent storage; and preparing the slurry.Type: GrantFiled: January 2, 2020Date of Patent: March 30, 2021Assignee: Halliburton Energy Services, Inc.Inventors: Thomas Jason Pisklak, Claudia Carmen Pineda, Ronnie Glen Morgan, James Robert Benkley
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Patent number: 10414966Abstract: A settable composition may be designed to thicken at substantially the same time downhole and/or set at substantially the same time downhole independent of when the settable composition was introduced into the wellbore by varying the concentration of set retarders and/or set accelerators during placement of settable compositions. For example, a method may include introducing a settable composition into a wellbore, the settable composition having an initial portion with a first concentration of a set-time additive, a middle portion with a second concentration of a set-time additive, and a final portion with a third concentration of a set-time additive; choosing the first and the third concentrations of the set-time additive so that the initial portion has a longer set-time than the final portion; and thickening the settable, wherein the initial and final portions thicken to exceed a consistency of about 70 Bc within about 3 hours of each other.Type: GrantFiled: November 2, 2015Date of Patent: September 17, 2019Assignee: Halliburton Energy Services, Inc.Inventors: Paul Alan Brown, Thomas J. Pisklak, Darrell Chad Brennies
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Patent number: 9932271Abstract: Gypsum composites containing cementitious materials and methods of making the same are provided. Gypsum composites include gypsum and a cementitious material. Methods of making gypsum composites include combining gypsum stucco, water, and a cementitious material to form a slurry, and setting and drying the slurry to form a gypsum composite.Type: GrantFiled: December 4, 2014Date of Patent: April 3, 2018Assignee: Georgia-Pacific Gypsum LLCInventors: Yi-Hsien Harry Teng, Mark Alexander Leavitt, Jeffrey T. Fields, Vincent B. Thomas
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Patent number: 9790132Abstract: Disclosed is a method of spraying a surface with a set-delayed cement. The method comprises providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; spraying a surface with the set-delayed cement composition; and allowing the set-delayed cement composition to set on the surface.Type: GrantFiled: February 28, 2015Date of Patent: October 17, 2017Assignee: Halliburton Energy Services, Inc.Inventors: Thomas Jason Pisklak, Kyriacos Agapiou, Ronnie Glen Morgan, Samuel Jason Lewis, Lance Everett Brothers
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Patent number: 9260343Abstract: A variety of methods and compositions are disclosed, including, in one embodiment, a method of cementing in a subterranean formation, comprising: providing a set-delayed cement composition comprising water, pumice, hydrated lime, and a set retarder; activating the set-delayed cement composition; introducing the set-delayed cement composition into a subterranean formation; and allowing the set-delayed cement composition to set in the subterranean formation.Type: GrantFiled: September 5, 2014Date of Patent: February 16, 2016Assignee: Halliburton Energy Services, Inc.Inventors: Lance Everett Brothers, Thomas Jason Pisklak
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Patent number: 8920557Abstract: Provided are an additive for skim coat mortar and a skim coat mortar composition including the same, and the additive is a blend of cellulose ether having hydroxyalkylalkyl cellulose cross-linked with an aldehyde compound and hydroxyalkyl cellulose cross-linked with an aldehyde compound. By applying the additive to a skim coat mortar composition, it is possible to improve workability, surface luster, and a creamy property while maintaining a water retention property.Type: GrantFiled: November 7, 2013Date of Patent: December 30, 2014Assignee: Samsung Fine Chemicals Co., Ltd.Inventors: A Reum Lee, Sung Hoon Kim, Nak Woon Choi
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Patent number: 8685158Abstract: A water retention agent for a cementitious composition, characterized in that it takes the form of a liquid aqueous suspension of at least one polysaccharide at a mass concentration of between 15 and 30% in an aqueous solution of a strong base salt, excluding ammonium salts, with an anionic strength of between 1.25 mol/L and 15 mol/L, having a pH greater than 9 and containing an attapulgite in micronized form and at least one non-phyllitic mineral powder, referred to hereafter as filler, which is chemically inert in the aqueous suspension and which has a grain size of between 0.1 and 100 micrometers, the aqueous suspension being stable at least in a temperature range of between 5° C. and 30° C. The water retention agent is suitable for increasing both the viscosity and the water retention capacity of cementitious compositions without affecting the spreading ability thereof.Type: GrantFiled: November 26, 2012Date of Patent: April 1, 2014Assignee: Ciments FrancaisInventors: Faber Fabbris, Bénigne Bollotte
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Patent number: 8158720Abstract: Crosslinkable polymer compositions are provided that may be useful for, among other things, reducing, stopping, or diverting the flow of fluids in subterranean formations. The crosslinkable polymer compositions may comprise an aqueous fluid, a chitosan-reacting polymer, chitosan, and a gelation-retarding additive comprising an acid derivative. Various methods of use are also provided.Type: GrantFiled: June 28, 2005Date of Patent: April 17, 2012Assignee: Halliburton Energy Services, Inc.Inventors: B. Raghava Reddy, Larry S. Eoff, Eldon D. Dalrymple, Julio Vasquez
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Patent number: 8080104Abstract: A filler for reinforcement joint that ensures excellent fluidity and retention thereof, exhibiting appropriate length change ratio and high strength performance; and a method of reinforcement joint filling operation using the same. There are provided a filler for reinforcement joint containing a cement, an expanding material, a pozzolana micropowder, a water reducing agent and a sand, and a method of reinforcement joint filling operation using the same, characterized in that the expanding material is a calcium aluminoferrite expanding material, and that the pozzolana micropowder is a silicious micropowder having a silicon dioxide (SiO2) content of 90% or higher and having a hydrogen ion concentration falling in an acid region, and that the water reducing agent is a polycarboxylic acid water reducing agent. The calcium aluminoferrite expanding material preferably has a value of Brain specific surface area of 2000 to 6000 cm2/g. The sand is preferably a weighty sand of 3.0 g/cm3 or higher density.Type: GrantFiled: May 22, 2007Date of Patent: December 20, 2011Assignees: Denki Kagaku Kogyo Kabushiki Kaisha, Splice Sleeve Japan, Ltd.Inventors: Tetsuo Otsuka, Tooru Shiraiwa, Tooru Yagi, Masahiro Abukawa
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Publication number: 20080121143Abstract: The method according to the invention allows insulating clinker, beads, to be manufactured on the basis of materials which are present in arctic regions. These materials comprise clay and silt (1) and porosity agents (2) comprising granular shrimp and crab shells as well as oil in the form of waste oil or blubber. When lumps of this material (3) after drying (3) are fired (5), blistered clinker (6) is formed, which is suitable as an insulation material. Hereby, insulationtion materials may be produced in arctic regions on the basis of the occurring types of clay and using waste products, such as oil and shrimp/crab shells.Type: ApplicationFiled: November 10, 2005Publication date: May 29, 2008Applicant: DANMARKS TEKNISKE UNIVERSITETInventors: Arne Villumsen, Bente Frydenlund
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Patent number: 7147707Abstract: To provide a composite for a building material capable of manufacturing a building material that is harmless to living environment and global environment and can be recycled. The composite for a building material contains diatomaceous earth, waste lumber, and inorganic hardener, or further contains field earth, and, as necessary, contains used paper and/or crushed pieces of used tatami mat and used tile, and crushed earth. The composite for a building material is prepared by homogeneously mixing the components, and then the building material is manufactured by molding and curing the composite. The manufactured building material has a high humidity conditioning property as in the case of the conventional mud wall made of coarse clay, and is easily recycled by being crushed.Type: GrantFiled: December 22, 2005Date of Patent: December 12, 2006Assignee: Kanazawa Institute of TechnologyInventors: Hiroshi Murakami, Yoshiyuki Suzuki, Masami Gotou
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Patent number: 6881257Abstract: A machinable light weight sisal-based concrete structural building material and a method of making the same are disclosed. The material includes short sisal fibers in a range from about 22% (v/v) to about 33% (v/v); a cement in a range from about 12% (v/v) to about 22% (v/v); and perlite in a range from about 51% (v/v) to about 59% (v/v). The method includes the steps of mixing an amount of cement with an amount of perlite to form a solid mixture; adding water and mixing water with the solid mixture to form a sludge; adding an amount of sisal fibers and mixing the sisal fibers into the sludge to form an uniform final composition; and pouring the final composition into a mold and setting the final composition to a solid form structural building material. The produced structural building material can be machined, screwed, cut, and nailed.Type: GrantFiled: July 10, 2003Date of Patent: April 19, 2005Inventor: Seymour Beauboeuf
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Patent number: 6872246Abstract: This invention discloses a new technology related to cellulose fiber reinforced cement composite materials using the loaded cellulose fibers. This invention discloses four aspects of the technology: fiber treatment, formulation, method and final product. This technology advantageously provides fiber cement building materials with the desirable characteristics of reduced water absorption, reduced rate of water absorption, lower water migration, and lower water permeability. This invention also impart the final products improved freeze-thaw resistance, reduced efflorescence, reduced chemical dissolution and re-deposition, and improved rot and fire resistances, compared to conventional fiber cement products. These improved attributes are gained without loss in dimensional stability, strength, strain or toughness.Type: GrantFiled: January 9, 2004Date of Patent: March 29, 2005Assignee: James Hardie Research Pty LimitedInventors: Donald J. Merkley, Caidian Luo
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Patent number: 6840992Abstract: The present invention provides a coating for inkjet media, which includes at least one hydrophobic filler particle; and a binder. Another embodiment of the invention provides an inkjet media, which includes the above-described coating coated on a substrate. Another embodiment of the invention provides a method of inkjet printing, which includes inkjet printing at least one inkjet ink onto a substrate coated with the above-described coating.Type: GrantFiled: April 11, 2001Date of Patent: January 11, 2005Assignee: Degussa AGInventors: Holger Glaum, Astrid Mueller
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Publication number: 20040139891Abstract: This invention discloses a new technology related to cellulose fiber reinforced cement composite materials using the loaded cellulose fibers. This invention discloses four aspects of the technology: fiber treatment, formulation, method and final product. This technology advantageously provides fiber cement building materials with the desirable characteristics of reduced water absorption, reduced rate of water absorption, lower water migration, and lower water permeability. This invention also impart the final products improved freeze-thaw resistance, reduced efflorescence, reduced chemical dissolution and re-deposition, and improved rot and fire resistances, compared to conventional fiber cement products. These improved attributes are gained without loss in dimensional stability, strength, strain or toughness.Type: ApplicationFiled: January 9, 2004Publication date: July 22, 2004Inventors: Donald J. Merkley, Caidian Luo
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Patent number: 6676744Abstract: This invention discloses a new technology related to cellulose fiber reinforced cement composite materials using the loaded cellulose fibers. This invention discloses four aspects of the technology: fiber treatment, formulation, method and final product. This technology advantageously provides fiber cement building materials with the desirable characteristics of reduced water absorption, reduced rate of water absorption, lower water migration, and lower water permeability. This invention also impart the final products improved freeze-thaw resistance, reduced efflorescence, reduced chemical dissolution and re-deposition, and improved rot and fire resistances, compared to conventional fiber cement products. These improved attributes are gained without loss in dimensional stability, strength, strain or toughness.Type: GrantFiled: October 2, 2001Date of Patent: January 13, 2004Assignee: James Hardie Research Pty LimitedInventors: Donald J. Merkley, Caidian Luo
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Patent number: 6592660Abstract: Methods and compositions for forming permeable cement sand screens in well bores are provided. The compositions are basically comprised of a hydraulic cement, a particulate cross-linked gel containing an internal breaker which after time causes the gel to break into a liquid and water present in an amount sufficient to form a slurry.Type: GrantFiled: February 19, 2002Date of Patent: July 15, 2003Assignee: Halliburton Energy Services, Inc.Inventors: Philip D. Nguyen, Ronald J. Crook, Johnny A. Barton, David L. Brown
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Patent number: 6475275Abstract: A cement composition contains 35-85% by weight of a cement, 3-15% by weight of a clay, 1-50% by weight of an aggregate and/or a fibrous material, and 0.2-5% by weight of a high efficiency retarder. A benefit of the present invention is that equipment used to apply cement compositions need not be cleaned every night when used on a construction site.Type: GrantFiled: October 21, 1999Date of Patent: November 5, 2002Assignee: Isolatek InternationalInventors: Edward Nebesnak, Robert Ostertog
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Patent number: 6364945Abstract: Methods and compositions for forming permeable cement sand screens in well bores are provided. The compositions are basically comprised of a hydraulic cement, an acid soluble particulate solid, a liquid hydrocarbon solvent soluble particulate solid, a particulate cross-linked gel containing an internal breaker which after time causes the gel to break into a liquid, water present in an amount sufficient to form a slurry, a gas present in an amount sufficient to form a foam and a mixture of foaming and foamed stabilizing surfactants.Type: GrantFiled: December 13, 2000Date of Patent: April 2, 2002Assignee: Halliburton Energy Services, Inc.Inventors: Jiten Chatterji, Roger S. Cromwell, Baireddy R. Reddy, Bobby J. King, Philip D. Nguyen, David L. Brown
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Patent number: 6241815Abstract: A composition for use in construction materials, which may be substituted for high performance concrete, patching materials, joint compounds, and the like, such as backer boards or panels, which includes a settable calcium sulfate, preferably a hemihydrate, Portland cement, a finely divided pozzolanic material, lime, and an aggregate, optionally including other additives. The volume ratio of the aggregate to the combined calcium sulfate, Portland cement, pozzolanic material, and lime (a cementitious binder) is equal to or greater than 2/1. Panels made from this composition are useful, particularly when exposed to water since they have good dimensional stability.Type: GrantFiled: August 10, 1999Date of Patent: June 5, 2001Assignee: United States Gypsum CompanyInventor: David Bonen
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Patent number: 5716448Abstract: Excavated earth from construction sites may be recycled as backfilling material or grout by incorporating it into a hydraulic composite. This is done firstly by blending excavated soil with a solidifying quantity of a hydraulic material and a fluidifying quantity of water and at least one first admixture selected from the group consisting of hydroxycarboxylic acids, phosphonic acid derivatives and saccharides and derivatives thereof, and blending the mixture thus created with a cement-dispersing agent at a time between the addition of the hydraulic material and the commencement of set of the hydraulic material. The hydraulic composites thus created have good fluidity, good final strength and low proneness to cracking.Type: GrantFiled: July 8, 1997Date of Patent: February 10, 1998Assignee: MBT Holding AGInventors: Takao Furusawa, Kanji Higaki, Satoshi Okazawa
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Patent number: 5711997Abstract: A semifluid mix for environmental reclamation, comprising peat, a hydraulic binder, resins, seeds, lime, and manure, the mix being particularly adapted to restore a covering of vegetation on surfaces that have suffered environmental degradation, such as ski pistes, road slopes, landslide and quarry faces. The present invention furthermore relates to a method for preparing the mix and to a method for applying the semifluid mix on the surfaces that have suffered environmental degradation.Type: GrantFiled: March 28, 1996Date of Patent: January 27, 1998Assignee: Limestone di Perani Piero Alberto BrunoInventor: Piero Alberto Bruno Perani
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Patent number: 5637144Abstract: An asbestos replacement is disclosed which includes water retention agents and finely divided mineral clays with high moisture retention capabilities. Combining the aforementioned ingredients in the correct proportions yields properties as those of asbestos when used in cementitious mortar compositions.Type: GrantFiled: June 5, 1995Date of Patent: June 10, 1997Inventors: Burton K. Whatcott, Lynn G. Bigelow
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Patent number: 5613558Abstract: An oil and gas well cementing composition and method are shown utilizing hydraulic cement, water a cement hydration retarder and an additive which is effective over a selected time period to degrade the retarder. The additive is a controlled release oxidizer which releases nascent oxygen over time to gradually oxidize the cement hydration retarder, thereby providing a single cement slurry design for cementing pipes for oil and gas wells where wide temperature differentials exist between the two ends of the pipe.Type: GrantFiled: June 2, 1995Date of Patent: March 25, 1997Assignee: BJ Services CompanyInventor: Robert L. Dillenbeck, III
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Patent number: 5510310Abstract: A floor dry material and method of manufacturing same in which waste cellulosic fibrous material, such as waste paper, is finely shredded after which any metal component is removed and the shredded material is then thoroughly mixed with a biodegradable surfactant, calcium oxide, and water until a temperature about 140.degree. F. to 150.degree. F. is achieved after which a natural citric-based solvent degreaser and a material selected from the group comprising silica diatomite plankton and non-swelling clay are added to obtain a finished floor dry material.Type: GrantFiled: October 26, 1993Date of Patent: April 23, 1996Assignee: Cerad Industries, Inc.Inventor: Harold J. Manning
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Patent number: 5378279Abstract: A cement enhanced to obtain a self-smoothing, self-levelling, non-shrinking mortar or concrete, consisting of an artificial cement mixed with additives, including at least a combination of a plasticizing agent included in a proportion of between 0.5 and 4% of the weight of the artificial cement and an expanding agent included in a proportion of between 0.000001 and 0.00099% of the weight of the artificial cement, and mortar or concrete obtained with the enhanced binder, mixed with a filler consisting of aggregates with a selected particle size.Type: GrantFiled: February 8, 1993Date of Patent: January 3, 1995Inventor: Michel Conroy
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Patent number: 5108511Abstract: Masonry cement additives are provided which, when interground with Portland cement, produce a masonary cement having superior workability, plasticity and board life, while unexpectedly also having advantageously low levels of entrained air. The additives of the invention enable the masonry cement producer to obtain these desired properties without replacing the limestone component of the masonry cement with more costly lime.The additives of the invention may be provided in aqueous solution, and thus, unlike emulsion additives, are stable for long periods of storage, even when subjected to extreme temperature excursions and cycling.The additives of the invention comprise a salt of stearic acid; a set retarding carbohydrate; an ethylenic glycol elected from the group consisting of mono-, di-, tri-, and tetraethylene glycols; and a cellulose ether.Type: GrantFiled: April 26, 1990Date of Patent: April 28, 1992Assignee: W.R. Grace & Co.-Conn.Inventor: Willis A. Weigland
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Patent number: 5049288Abstract: Set retarded cement compositions for cementing across a zone or zones in a well having enhanced compressive strength and rapid gel strength development after placement. The cement compositions are comprised of hydraulic cement, sufficient fresh water to form a pumpable slurry, a set retarder comprising a copolymer of 2-acrylamido, 2-methylpropane sulfonic acid and acrylic acid having a average molecular weight below about 5000 and any other desired additives. Methods of cementing utilizing the cement composition also are provided.Type: GrantFiled: April 23, 1991Date of Patent: September 17, 1991Assignee: Halliburton CompanyInventors: Lance E. Brothers, Donald W. Lindsey, Dralen T. Terry
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Patent number: 5028271Abstract: A vinyl grafted lignite fluid loss additive comprising a lignite grafted with at least one vinyl monomer selected from the group consisting of: dimethylaminopropyl methacrylamide, methacrylamido propyltrimethyl ammonium chloride, N-vinylformamide, N-vinylacetamide, diallyl dimethyl ammonium chloride, diallylacetamide, and diallylamine. The vinyl monomer may also be blended with at least one co-monomer. Preferred co-monomers are: 2-acrylamido-2-methylpropanesulfonic acid, dimethylacrylamide, acrylamide, vinylpyrrolidone, vinylacetate, acrylonitrile, dimethylaminoethyl methacrylate, styrenesulfonate, vinylsulfonate, dimethylaminoethyl methacrylate methyl chloride quaternary, acrylic acid and its salts.Type: GrantFiled: February 5, 1990Date of Patent: July 2, 1991Assignee: Nalco Chemical CompanyInventors: David A. Huddleston, Charles D. Williamson
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Patent number: 5006176Abstract: The present invention relates to a coagulant for soil and/or sand and method for preventing washout using the same. The coagulant comprises approximately 10 parts by weight of carboxymethylcellulose, approximately 10 parts by weight of calcium chloride, approximately 10 parts by weight of sodium metasilicate powder, 0.3 to 100 parts by weight of silicon dioxide and 1 to 300 parts by weight of calcium carbonate. The method for preventing washout comprises the steps of scattering the coagulant over the surface of the soil and/or sand in a manner such that 360 to 1000 g of the coagulant is applied to a volume of surface area of 1 m.sup.2 and a depth of 10 cm, and excavating the soil and/or sand to a depth of 5 to 20 cm and mixing the coagulant and the soil and/or sand while adjusting water content of the soil and/or sand in the range of 30 to 45%. In the method, a part of --OH of cellulose in carboxymethylcellulose is denatured into --OCH.sub.3 which is soluble in water and highly adhesive.Type: GrantFiled: March 27, 1990Date of Patent: April 9, 1991Assignees: Shiro Sejima, Yoshiyuki Oka, Ken MurataInventor: Yoshiyuki Oka
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Patent number: 4981521Abstract: Fire retardant coatings for metal structural members are obtained by spraying onto the structural members settable plaster compositions which are air-containing pumpable aqueous slurries of plaster, clay prill aggregate, cellulose and glass fiber reinforcement and foaming agent. The specially prepared clay prill aggregate has a low aspect ratio of near unity and is an acceptable substitute for the exfoliated vermiculite aggregate of prior coating compositions.Type: GrantFiled: May 9, 1988Date of Patent: January 1, 1991Assignee: W. R. Grace & Co.-Conn.Inventors: Robert J. Bettacchi, Mary Driscoll, Dennis M. Hilton
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Patent number: 4938803Abstract: A vinyl grafted lignite fluid loss additive comprising a lignite grafted with at least one vinyl monomer selected from the group consisting of: dimethylaminopropyl methacrylamide, methacrylamido propyltrimethyl ammonium chloride, N-vinylformamide, N-vinylacetamide, diallyl dimethyl ammonium chloride, and diallylamine. The vinyl monomer may also be blended with at least one co-monomer. Preferred co-monomers are: 2-acrylamido-2-methylpropanesulfonic acid, dimethylacrylamide, acrylamide, vinylpyrrolidone, vinylacetate, acrylonitrile, dimethylaminoethyl methacrylate, styrenesulfonate, vinylsulfonate, dimethylaminoethyl methacrylate methyl chloride quaternary, acrylic acid and its salts.Type: GrantFiled: July 5, 1989Date of Patent: July 3, 1990Assignee: Nalco Chemical CompanyInventors: David A. Huddleston, Charles D. Williamson
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Patent number: 4935060Abstract: The cement slurry of the present invention is gas tight, very low strength retrogression at high temperature, and substantially no tendency to settle or segregate. The cement slurry is made with a hydraulic cement, 5-85% microsilica based on the weight of the cement, 5-250% of a high density filler material based on the weight of the cement, 0-5% of a retarder (dry weight) based on the weight of the cement, 0-12% of a thinner (dry weight) based on the weight of the cement, 0-8% of a fluid loss additive (dry weight) based on the weight of the cement, 0-30% silica flour and/or silica sand based on the weight of the cement and water in such an amount that the cement slurry has a density between 1.95 and 2.40 g/cm.sup.3.Type: GrantFiled: November 16, 1989Date of Patent: June 19, 1990Assignee: Elkem a/sInventor: Eldar O. Dingsoyr