Solid Polymer Or Specified Intermediate Condensation Product Derived From Reactant-containing Atom Other Than C, H, O, N, Or Halogen And Which Is Devoid Of A Fused Or Bridged Ring System Patents (Class 524/3)
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Patent number: 5462978Abstract: Polymers I comprising from 15 to 80% by weight of monomers of the general formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are each C.sub.1 -C.sub.3 -alkyl, R.sup.4 is C.sub.1 -C.sub.5 -alkyl and X is O or NH, and from 20 to 85% by weight of other monomers capable of undergoing free radical copolymerization are used as assistants in the spray drying of aqueous dispersions of polymers II which differ from the polymers I.Type: GrantFiled: June 6, 1994Date of Patent: October 31, 1995Assignee: BASF AktiengesellschaftInventors: Erich Penzel, Gernot Franzmann, Maximilian Angel, Joachim Pakusch, Bernhard Schuler
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Patent number: 5360787Abstract: A dispersant for drilling fluids, spacer fluids, cement slurries, completion fluids and mixtures of drilling fluids and cement slurries used for drilling and cementing subterranean wells.Type: GrantFiled: January 28, 1992Date of Patent: November 1, 1994Assignee: Atlantic Richfield CompanyInventors: James B. Bloys, William N. Wilson, Edward Malachosky, Roger D. Bradshaw, Roger A. Grey
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Patent number: 5338783Abstract: A silicone rubber binder composition is provided which includes silicone rubber, silicone dioxide and an aggregate such as sand, gravel, cinders and the like. The silicone rubber is preferably an RTV silicone rubber which is solubilized using a solvent and mixed with the silicone dioxide and aggregate. The mixture may be spray applied to form a roofing coating or may be molded to form another building element such as a beam, post, block, shingle, wallboard or the like.Type: GrantFiled: December 11, 1991Date of Patent: August 16, 1994Assignee: STC, Inc.Inventor: Thomas O. Olsen
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Patent number: 5294651Abstract: An additive for reducing water loss from cement comprising a tetrapolymer, a base, an electrolyte, at least one surfactant, and water is disclosed. A process for producing cement slurries with improved water loss properties, as well as an improved method for cementing gas and oil well is also disclosed.Type: GrantFiled: September 25, 1992Date of Patent: March 15, 1994Assignee: Phillips Petroleum CompanyInventor: Michael Stephens
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Patent number: 5290869Abstract: Cement dispersion agents containing a graft copolymer composed of four kinds of constituent unit each having a specified structure can provide improved fluidity to cementing compositions, prevent slump loss after the kneading process and reduce the drying shrinkage of hardened concrete produced at the same time.Type: GrantFiled: December 16, 1992Date of Patent: March 1, 1994Assignee: Takemoto Yushi Kabushiki KaishaInventors: Mitsuo Kinoshita, Yoshimasa Miura, Tsuneo Yamamoto
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Patent number: 5290550Abstract: A method of treating asthma in a subject in need of such treatment comprises contacting Interleukin-8 or an active fragment thereof to the respiratory epithelium of the subject. The active agent is preferably human endothelial IL-8, and is preferably contacted to the subject's respiratory epithelium by causing the subject to inhale respirable particles comprised of the active agent.Type: GrantFiled: June 7, 1993Date of Patent: March 1, 1994Assignee: East Carolina UniversityInventors: Robert H. Fisher, W. James Metzger
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Patent number: 5245001Abstract: The present invention relates to aminoarylsulfonic acid-phenol-formaldehyde condensate useful for incorporation into cementing compositions, for example, mortar, cement paste and the like, for improving slumping characteristics.Type: GrantFiled: October 9, 1991Date of Patent: September 14, 1993Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Takahiro Furuhashi, Kazushige Kawada, Susumu Tahara, Toru Takeuchi, Yuji Takahashi, Toshikazu Adachi, Tsutomu Teraji
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Patent number: 5233012Abstract: Novel condensates comprising bisphenols and aromatic aminosulfonic acids, in particular, novel 4-aminobenzenesulfonic acid-2,2-bis (hydroxyphenyl)propaneformaldehyde condensates, and methods for their production are disclosed. The novel condensates are useful as a dispersant for disperse dyes, an additive for carbonaceous fine powder-water slurries and as a water reducing agent for cement.Type: GrantFiled: June 8, 1992Date of Patent: August 3, 1993Assignee: Sanyo-Kokusaku Pulp Co., Ltd.Inventors: Masanobu Kawamura, Shinji Hamada, Takashi Date, Toshihiro Sugiwaki, Nobuhiro Hanada
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Patent number: 5221489Abstract: A dispersant for drilling fluids, spacer fluids, completion fluids, cement slurries and mixtures of drilling fluids and cement slurries used for drilling and cementing subterranean wells.Type: GrantFiled: February 24, 1992Date of Patent: June 22, 1993Assignee: Atlantic Richfield CompanyInventors: James B. Bloys, Richard F. Morgan
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Patent number: 5206336Abstract: Process for the preparation of naphthalenesulfonic acid/formaldehyde condensates having a low content of free formaldehyde, in which the condensation products of naphthalenesulfonic acid and formaldehyde obtained after the condensation, are brought to a pH of greater than 11.5 at a temperature of not less than 80.degree. C. immediately after the condensation, and are kept under these conditions until the desired formaldehyde content is reached. The resins are preferably used as plasticizers for building materials, for example as concrete plasticizers.Type: GrantFiled: November 1, 1991Date of Patent: April 27, 1993Assignee: Chemie Linz Gesellschaft m.b.H.Inventors: Emmerich Jager, Walter Lechner
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Patent number: 5153240Abstract: An additive for reducing water loss from cement comprising a tetrapolymer, a base, an electrolyte, at least one surfactant, and water is disclosed. A process for producing cement slurries with improved water loss properties, as well as an improved method for cementing gas and oil well is also disclosed.Type: GrantFiled: November 30, 1990Date of Patent: October 6, 1992Assignee: Phillips Petroleum CompanyInventor: Michael S. Stephens
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Patent number: 5101007Abstract: Process for the preparation of naphthalenesulfonic acid/formaldehyde condensates having a low content of free formaldehyde, in which the condensation products of naphthalenesulfonic acid and formaldehyde obtained after the condensation are brought to a pH of greater than 11.5 at a temperature of not less than 80.degree. C. immediately after the condensation, and are kept under these conditions until the desired formaldehyde content is reached. The resins are preferably used as plasticizers for building materials, for example as concrete plasticizers.Type: GrantFiled: February 8, 1991Date of Patent: March 31, 1992Assignee: Chemie Linz Gesellschaft m.b.H.Inventors: Emmerich Jager, Walter Lechner
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Patent number: 5087648Abstract: Fluidizing property is provided to a hyraulic cement composition by adding a cement dispersion agent to the composition by 0.01-2 weight % with respect to its solid cement component. The cement dispersion agent contains a water-soluble vinyl copolymer which is obtainable by copolymerization of at least first monomer shown by Formula A given below, second monomer shown by Formula B given below and third monomer shown by Formula C given below at copolymerization rate of 10-50/3-25/80-40 by weight: ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are H or CH.sub.3, R.sup.5 is alkyl group with 1-3 carbon atoms, M.sup.1 and M.sup.2 are alkali metal, alkali earth metal, ammonium or organic amine, and n is an integer in the range 5-25. Such a dispersion agent is produced by aqueous solution polymerization of monomers of these kinds at a weight ratio within the range given above in the presence of a radical polymerization initiating agent.Type: GrantFiled: May 24, 1990Date of Patent: February 11, 1992Assignee: Takemoto Yushi Kabushiki KaishaInventors: Mitsuo Kinoshita, Toshihide Shimono, Shozo Yamaguchi, Tsuneo Yamamoto
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Patent number: 5010124Abstract: Flowability improving agent comprising a combination of(A) a sulphonated melamine-formaldehyde resin, a sulphonated melamine-urea-formaldehyde resin or a sulphonated naphthalene-formaldehyde resin and(B) a compound of the general formulaAr O--[R.sub.1 ].sub.n --R.sub.2.Type: GrantFiled: January 30, 1989Date of Patent: April 23, 1991Assignee: Perstorp ABInventors: Lars-Inge R. Olsson, Kent F. Hamacek
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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: 4921543Abstract: A process for the preparation of a liquifier for mineral binding agents comprising condensing a member of a group consisting of naphthalene sulfonic acid and alkyl naphthalene sulfonic acids with formaldehyde or a formaldehyde precursor in a highly acidic solution until a viscosity of 4,000 to 8,000 mPas is reached, adding water periodically to reduce the viscosity of the mixture until the condensation is complete and neutralizing the mixture to obtain a water-soluble condensation product and the liquifier produced thereby and mineral binding agents containing the same.Type: GrantFiled: August 24, 1988Date of Patent: May 1, 1990Assignee: Rutgerswerke AGInventors: Jafar Omran, Arnold Alscher
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Patent number: 4892898Abstract: Water soluble polymers comprising at least one mole percent of a recurring monomer unit represented by the chemical structure ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently hydrogen or C.sub.1 -C.sub.6 alkyl; and X is hydrogen, an alkali or alkaline earth metal or ammonium are disclosed.Type: GrantFiled: January 21, 1988Date of Patent: January 9, 1990Assignee: National Starch and Chemical CorporationInventors: John C. Leighton, Michael J. Sanders
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Patent number: 4861812Abstract: A modified composition is disclosed for compounding with a polyolefin to produce a resin from which cement adherent polyolefin fibers may be produced by conventional fiber forming methods. The modifier composition comprising a polyolefin resin modified to contain a reactive Si(IV) moiety. A preferred embodiment comprises the reaction product obtained from the high shear dry blending of an alkylamino alkoxysilane with an acid modified polyolefin, preferably gamma-aminopropyltriethoxysilane dry blended with meleated polypropylene. Such modifier composition when compounded in from about 1 to about 10 weight percent with a polyolefin, preferably polypropylene, provides a resin from which cement adherent fibers may be produced.Type: GrantFiled: December 23, 1986Date of Patent: August 29, 1989Assignee: Exxon Chemical Patents Inc.Inventors: James J. McAlpin, Wai Y. Chow
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Patent number: 4829107Abstract: A cement admixture and cement composition containing said admixture comprising finely ground rice hull ash formed by slurry grinding of said ash to a volume medium particle diameter or up to 4 micrometers.Type: GrantFiled: February 24, 1988Date of Patent: May 9, 1989Assignee: W. R. Grace & Co.-Conn.Inventors: Lawrence J. Kindt, Ellis M. Gartner
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Patent number: 4797433Abstract: Thermally stable water soluble resins are prepared in a multistep process by reacting the waste solids from the mother liquor waste stream of a melamine manufacturing plant with an aldehyde and a sulfonating agent under controlled conditions of pH and temperature. The resin compositions are useful, for example, as superplasticizing agents for concrete admixtures, as mud drilling additives, and in the paper and textile industry. The process not only provides useful resin compositions, but also recovers solid wastes which are considered to be a major contributor to the pollution problems of melamine manufacturing plants.Type: GrantFiled: August 25, 1986Date of Patent: January 10, 1989Assignee: Kuwait Institute for Scientific ResearchInventors: Shawqui Lahalih, Ma'mun Absi-Halabi
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Patent number: 4786331Abstract: A cement dispersion agent comprising calcium polystyrene sulfonate having a weight average molecular weight of 5,000 to 50,000 and having a sulfonation degree of 80% or more. Further, a cement dispersion agent comprising (a) a polystyrene sulfonate and (b) at least one component selected from the group consisting of hydroxycarboxylic acids, ketocarboxylic acids, and the salts thereof.Type: GrantFiled: July 13, 1987Date of Patent: November 22, 1988Assignee: Lion CorporationInventors: Shigeyuki Ueda, Yoshimitsu Sekiguchi, Kazuaki Yamaguchi
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Patent number: 4758610Abstract: A soldified and particulated resin and a substantially solidified-state-maintained water are mixed with cement and after the mixing is finished, the solidified resin and water are liquefied and the cement is hydrated with the liquefied water. Since the resin maintains the solidified and particulated state and the water also maintains the solidified state during mixing, the mixing work of cement, water and resin is uniformly performed.Type: GrantFiled: January 9, 1987Date of Patent: July 19, 1988Assignee: Mitsui Kensetsu Kabushiki KaishaInventors: Okamoto Tadashi, Utsunomiya Toru, Tamura Tomio, Matsubara Sumiyuki, Hasuo Koichi
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Patent number: 4743301Abstract: A concrete composition for underwater use contains about 0.1 to 4% by weight based on cement content of a water soluble vinyl polymer containing vinyl units having sulfonic groups. The concrete composition is easy to mix and prevents separation of concrete composition constituents as it is laid under water.Type: GrantFiled: July 26, 1985Date of Patent: May 10, 1988Assignees: Takenaka Komuten Co., Ltd., Takenaka Doboku Co., Ltd., Sankyo Chemical Industries, Ltd.Inventors: Koichi Ito, Masaharu Sakuta, Yasuhiko Yoshioka, Tadahiro Kaya, Tsunetoshi Shioya, Hiroyuki Yamakawa, Yoshifumi Shimoyama
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Patent number: 4727116Abstract: The present invention relates to new water-soluble copolymers based on acrylic acid derivatives and their use as building material auxiliaries.Type: GrantFiled: August 4, 1986Date of Patent: February 23, 1988Assignee: Wolff Walsrode AGInventors: Werner Lange, Frank Hohl, Klaus Szablikowski
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Patent number: 4721160Abstract: A lightweight cement slurry composition having a density in the range of 1.2 to 1.6, containing a solid extender agent and an SBR latex. The ratio of the liquid volume to the slurry volume should be less than 70% and preferably less than 63%. The lightweight slurry then presents a most attractive set of properties which could not be obtained previously, and in particular gas channelling is controlled.Type: GrantFiled: August 19, 1985Date of Patent: January 26, 1988Assignee: Dowell Schlumberger IncorporatedInventors: Philippe Parcevaux, Patrick Sault
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Patent number: 4710540Abstract: A modifier composition is disclosed for compounding with a polyolefin to produce a resin from which cement adherent polyolefin fibers may be produced by conventional fiber forming methods. The modifier composition comprises the reaction product obtained from the high shear dry blending of an alkylamino alkoxysilane with an acid modified polyolefin, preferably .gamma.-aminopropyltriethoxysilane dry blended with maleated polypropylene. Such modifier composition when compounded in from about 1 to about 5 weight percent with a polyolefin, preferably polypropylene, provides a resin from which cement adherent fibers may be produced.Type: GrantFiled: January 3, 1986Date of Patent: December 1, 1987Assignee: Exxon Chemical Patents Inc.Inventors: James J. McAlpin, Wai Y. Chow
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Patent number: 4686252Abstract: For the preparation of a building and/or construction material a polymer modified, aqueous dispersion, containing amorphous silicon dioxide and at least one polymer, is mixed and reacted with at least one inorganic binder, and occasionally with at least one aggregate, and hardens thereby.The polymer modified, aqueous dispersion contains amorphous silicon dioxide and at least one polymer.This polymer modified, aqueous dispersion is used for the preparation of a building and/or construction material.Type: GrantFiled: January 16, 1986Date of Patent: August 11, 1987Assignee: Sika AG, vorm. Kaspar Winkler & Co.Inventors: Theodor A. Burge, Reinhard Schweizer
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Patent number: 4662946Abstract: Pieces of strips of flexible, open plastics mesh structure are randomly embedded in a matrix without creating a substantial amount of extra void space in the matrix, to strengthen the matrix. Each piece or strip comprises more than one mesh opening, has tenaceous junctions or intersections, has high dimensional stability in its plane, and has high flexural recovery. Relatively small, generally flat pieces can be used, or alternatively strips more than one hundred times as long as they are wide. In the case of soil, a special machine can be provided which cuts up a reel of continuous mesh structure and has a rotary digging tool which digs up the top layer of soil and mixes pieces with the soil.Type: GrantFiled: May 31, 1984Date of Patent: May 5, 1987Inventor: Frank B. Mercer
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Patent number: 4650522Abstract: The invention relates to a concrete admixture comprising a polyethyleneimine compound for incorporation into a cementing composition.Type: GrantFiled: September 12, 1985Date of Patent: March 17, 1987Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Tsutomu Teraji, Kazushige Kawada, Toru Takeuchi, Shinichi Sugita, Toshikazu Adachi, Hideo Yaqi
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Patent number: 4623682Abstract: Cement mix, particularly concrete mixes, for high compressive strength including early compressive strength, have extended workability without substantial loss in rate of hardening when containing an admixture combination of a sulfonated naphthalene-formaldehyde condensated and fractionated sulfonated lignin, such as ultrafiltered lignosulfonate.Type: GrantFiled: October 1, 1985Date of Patent: November 18, 1986Assignee: Sandoz Ltd.Inventors: Richard R. Nicholson, Arthur H. Gerber
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Patent number: 4587283Abstract: Cement slurries for deep holes, with a content of copolymers which are composed of 5-95% by weight of groups of the formula ##STR1## in which R.sub.1 is hydrogen or methyl,R.sub.2 is C.sub.2 -C.sub.10 -alkylene andMe is ammonium, lithium, sodium or potassium, of 5-60% by weight of groups of the formula ##STR2## in which R.sub.3 is hydrogen, --CH.sub.3 or C.sub.2 H.sub.5 andR.sub.4 is --CH.sub.3 or C.sub.2 H.sub.5, orR.sub.3 and R.sub.4 together are a propylene group which, with incorporation of the radical ##STR3## forms a pyrrolidone radical, and of 0-90% by weight of groups of the formula ##STR4## in which R.sub.6 is hydrogen or methyl andR.sub.7 is carboxamido, carboxyl, cyano or carbomethoxy.These copolymers reduce the water loss of cement slurries which are required for deep holes.Type: GrantFiled: April 3, 1985Date of Patent: May 6, 1986Assignee: Hoechst AktiengesellschaftInventors: Martin Hille, Wolfgang Friede, Heinz Wittkus, Friedrich Engelhardt, Ulrich Riegel
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Patent number: 4537918Abstract: The invention relates to cement compositions for cementing wells, which allow pressure gas-channeling to be effectively controlled up to more than about 485.degree. F. The cement composition contains a styrene-butadiene latex and a stabilizer. The film of latex interrupts gas-channeling after an extremely brief path.Type: GrantFiled: March 30, 1983Date of Patent: August 27, 1985Assignee: Etudes et Fabrication Dowell SchlumbergerInventors: Philippe A. Parcevaux, Bernard M. Piot, Claude J. Vercaemer
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Patent number: 4518725Abstract: Fluidizing agents for hydraulic bonding materials such as, for example, concrete, cements, anhydrites, plasters, limes, or others. The fluidizing agents comprise the water soluble condensation reaction products of aminosulfonic acids, having one or more aromatic nuclei, or a mixture thereof; polyamino products including polyamino acids, polyamides, or polythioamides, or their mono- or polymethylol derivatives, and polyamino derivatives of triazine; and formaldehyde or compounds which generate formaldehyde under reaction conditions. The water soluble fluidizing agents permit a reduction of the quantity of water required for mixing the bonding materials and provide an increased mechanical resistance thereto. The invention includes the bonding materials containing the fluidizing agent, the method of using the fluidizing agents in bonding materials, and method of forming the bonding materials.Type: GrantFiled: July 27, 1983Date of Patent: May 21, 1985Assignee: Chryso S.A.Inventor: Jean P. Guicquero
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Patent number: 4511683Abstract: Compounds having a cyclopentadiene skeleton and at least one sulfonic acid group are novel, and produced by subjecting cyclopentadiene, dicyclopentadiene and/or hydroxydicyclopentadiene to sulfonation, and subjecting the same, before or after the sulfonation, to reaction with alkylbenzene, polymerization and/or condensation through an aldehyde. The aforesaid compounds are useful as dispersants for cement.By incorporating a polymer emulsion into a slurry composition comprising a powder and a dispersant having at least one sulfonic acid group the proportion of said polymer emulsion being 0.05 to 50 parts by weight per 100 parts by weight of said dispersant, the dispersing effect of said dispersant is improved, the fluidizing effect of the dispersant is further enhanced, the slump loss is made very small, and the workability becomes good.Type: GrantFiled: March 3, 1983Date of Patent: April 16, 1985Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Hironobu Shinohara, Noboru Yamahara, Yoshinori Yoshida
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Patent number: 4353999Abstract: Polymerable organic compounds and an epoxide compound are emulsified with aqueous alkali metal silicate solutions then polymerized with a catalyst such as a peroxide type catalyst thereby producing an alkali metal silicate organic plastic which may be used as an adhesive, as molding powder or reacted with an organic diisocyanide to produce polyurethane silicate resins and foams.Type: GrantFiled: March 18, 1982Date of Patent: October 12, 1982Inventor: David H. Blount
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Patent number: 4341878Abstract: The subject invention relates to compositions of matter for treating aluminum surfaces for rendering them tarnish and corrosive resistant. The compositions comprise an alkali metal silicate including sodium and potassium and lithium silicates and a soluble organic polymer having displaceable hydrogens or displaced hydrogens. The organic polymers having displaceable hydrogens may be derived from hydroxyls, carboxylic acids, amides, sulfonic acids, carbohydrates, and phosphoric acids. The composition may be readily applied by spraying or dipping them in concentration less than about 5% in an aqueous system.Type: GrantFiled: June 23, 1980Date of Patent: July 27, 1982Assignee: Ball CorporationInventors: Arnold F. Marcantonio, Paul J. Kress, John W. Powers
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Patent number: 4321184Abstract: An oxidated silicon compound will react with a substituted organic compound in the presence of an alkali compound to produce organic alkali metal silicate products which may be used as molding powders, as adhesives, as coating agents and be reacted with polyisocyanates to produce insulating foams.Type: GrantFiled: April 6, 1981Date of Patent: March 23, 1982Inventor: David H. Blount