Metal Patents (Class 524/166)
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Patent number: 4631083Abstract: Pipe varnish compositions effective to inhibit corrosion of steel pipe over appreciable periods of time of storage of said steel pipe, said compositions comprising a thixotropic overbased calcium organic sulfonate calcium carbonate complex; and a drying oil such as linseed oils; a drier, preferably of the paint drier type, such as cobalt naphthenate, zirconium octoate and manganese salts or soaps, or mixtures thereof; and also containing at least one member of the group of epoxidized oils, polybutenes, and alkyd resins; and, optionally, such ingredients as waxes, petrolatums and resins.Type: GrantFiled: June 17, 1985Date of Patent: December 23, 1986Assignee: Witco CorporationInventors: Harold H. Christhilf, Paul E. Morrison, Paul W. Niemczura
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Patent number: 4600742Abstract: Carbonate polymer compositions are described which comprise a mixture of(A) an organic carbonate polymer, and(B) a minor amount of at least one metal sulfonate which is compatible with the carbonate polymer and which sulfonates are characterized by the formula ##STR1## wherein R is an aliphatic group,M is an alkali or alkaline earth metal,n is at least 1, andy is equal to 1 when M is an alkali metal and1/2 when M is an alkaline earth metal.The carbonate polymer compositions of the invention have improved properties such as, for example, flame-retardancy. Processes for improving the processability and flame-retardancy characteristics of carbonate polymer compositions also are described.Type: GrantFiled: August 17, 1984Date of Patent: July 15, 1986Assignee: The Lubrizol CorporationInventor: William A. Higgins
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Patent number: 4581398Abstract: Hydrolysis-resistant, thermoplastic molding compositions are made from high-molecular weight, linear polybutylene terephthalate and 0.1-10 mole %, based on the amount of the dicarboxylic acid component of the polyester, of a salt of Formula (A)[(-O.sub.3 S).sub.x R--CO.sub.2.sup.-).sub.2 ]M, (A)whereinM is an alkali or alkaline earth metal cation,R is an aromatic or cycloaliphatic residue or an aliphatic residue of 2-20 carbon atoms in the carbon chain, andx is 0 or 1.Type: GrantFiled: May 29, 1984Date of Patent: April 8, 1986Assignee: Huels AktiengesellschaftInventors: Michael Droscher, Horst Heuer
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Patent number: 4574134Abstract: The addition of at least one anti-haze agent selected from the group consisting of saturated fatty acid amides, unsaturated fatty acid amides, unsaturated fatty acid amides, tertiary alkanolamines, hydrocarbyl sulfates and alkyl benzene sulfonates to a nitrite-containing copolymer of a conjugated diene and a monovinyl-substituted aromatic hydrocarbon monomer provide novel compositions which give reduced haze formation when subjected to molding conditions.Type: GrantFiled: November 9, 1984Date of Patent: March 4, 1986Assignee: Phillips Petroleum CompanyInventors: Kenneth W. Willcox, Kenneth R. Mills
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Patent number: 4552911Abstract: The present invention relates to polycarbonate molding compositions containing additives of alkali or alkaline earth metal salts, tetrahalogenophthalimides and optional glass fibers, characterized in that they contain additive amounts of bromine.Type: GrantFiled: January 28, 1983Date of Patent: November 12, 1985Assignee: Bayer AktiengesellschaftInventors: Wolfgang Cohnen, Klaus Kircher, Peter R. Muller, Sivaram Krishnan, Dieter Neuray
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Patent number: 4551494Abstract: A polymer mixture comprising(a) a base resin selected from the group consisting of polyphenylene ether resins and polyphenylene ether modified with alkenyl aromatic resins; and(b) an amount of antistatic agent effective for improving the antistatic character of said polymer mixture wherein said antistatic agent is a compound of the formula R--SO.sub.3 X, where R is an alkyl or aralkyl radical having 5 to 25 carbon atoms and X is an alkali metal.Type: GrantFiled: October 27, 1983Date of Patent: November 5, 1985Assignee: General Electric CompanyInventor: Johannes H. G. M. Lohmeijer
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Patent number: 4547313Abstract: Electrical conductivity of a polymeric material is increased by the addition of a compound represented by the formula[CF.sub.3 --(R).sub.0-2 --SO.sub.3 ].sub.x Mwherein M is a metal selected from Groups IB, IIB and VIII of the Periodic Table, x is the valence of M, and each R, if present, is selected independently from CH.sub.2 and CF.sub.2. Examples of M include zinc, cadmium, mercury, copper, nickel and silver. The presently preferred material, for availability and effectiveness, is zinc trifluoromethanesulfonate, in which M is zinc and there are no R groups present.Type: GrantFiled: April 18, 1983Date of Patent: October 15, 1985Assignee: Phillips Petroleum CompanyInventor: Van C. Vives
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Patent number: 4539356Abstract: Polyethylene terephthalate molding composition containing aliphatic glycol phthalate and derivatives of alkali metal taurate or isethionate.Type: GrantFiled: October 17, 1984Date of Patent: September 3, 1985Assignee: GAF CorporationInventor: Suzanne B. Nelsen
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Patent number: 4532283Abstract: A composition with increased resistance to environmental stress cracking and crazing comprising a blend of (a) an aromatic carbonate polymer resin and (b) an effective amount of a coupled resin block copolymer of polymerized vinyl aromatic units connected to polymerized diene units.Type: GrantFiled: September 23, 1982Date of Patent: July 30, 1985Assignee: General Electric CompanyInventor: Ping Y. Liu
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Patent number: 4529761Abstract: The present invention deals with polymer blends comprising a polyphenylene ether and optionally polystyrene or a rubber modified polystyrene. It has been found that the addition of an alkyl or aralkyl-sulfonate to such blends improves the environmental stress cracking resistance of such blends.Type: GrantFiled: October 27, 1983Date of Patent: July 16, 1985Assignee: General Electric CompanyInventor: Johannes H. G. M. Lohmeijer
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Patent number: 4529762Abstract: Compositions and processes for the aqueous emulsion polymerization of ethylenically unsaturated monomers using mixed emulsifiers containing(a) about 99.5 to about 10 parts by weight of an .alpha.-sulfocarboxylic acid alkyl ester containing from 8 to 24 carbon atoms in the carboxylic acid portion and from 1 to 4 carbon atoms in the alcohol portion, and(b) from about 0.5 to about 90 parts by weight of an .alpha.-sulfocarboxylic acid containing from 8 to 24 carbon atoms, and if desired,other anionic and/or non-anionic emulsifiers and/or protective colloids; the mixed emulsifier optionally being completely or partly present in salt form.Type: GrantFiled: October 18, 1984Date of Patent: July 16, 1985Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Rainer Hoefer, Karl Schmid, Bernd Wegemund, Bernhard Bartnick
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Patent number: 4520155Abstract: Polyolefin compositions are described which can be dyed by conventional dyeing techniques. Such polyolefins comprise a blend of (A) a polyolefin and (B) a dye-receptive amount of at least one metal sulfonate which is soluble in the polyolefin when melted, and which sulfonates are characterized by the formulae ##STR1## wherein R is an aliphatic group,R' is an aliphatic group containing at least about 8 carbon atoms,Ar is an aromatic group,M is an alkali or alkaline earth metal,n is at least 1,y is equal to 1 when M is an alkali metal and 1/2 when M is an alkaline earth metal, andx is equal to the valence of M.The preferred sulfonates are those represented by Formula (I) and especially wherein M is sodium. In particular, it has been found that films and fibers prepared from such polyolefin composition, and more particularly polypropylene compositions, are readily dyed with common dyes to provide deep shades and fastness.Type: GrantFiled: April 23, 1984Date of Patent: May 28, 1985Assignee: The Lubrizol CorporationInventor: William A. Higgins
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Patent number: 4520154Abstract: Additives for rubber compositions, giving vulcanizates having improved retention of optimum physical properties, are compounds containing two or more groups of the formula --S--SO.sub.2 R linked by an organic bridging group, or polymers containing two or more groups of the formula --S--SO.sub.2 R attached to an organic polymer chain, where R represents (a) a radical OM where M is a monovalent metal, the equivalent of a multivalent metal, a monovalent ion derived by the addition of a proton to a nitrogenous base, or the equivalent of a multivalent ion derived by the addition of two or more protons to a nitrogenous base, or (b) an organic radical selected from aliphatic, cycloaliphatic, aromatic and heterocyclic radicals, and radicals which are combinations of any two or more such radicals.Type: GrantFiled: August 25, 1983Date of Patent: May 28, 1985Assignee: Monsanto Europe, S.A.Inventor: Philippe G. Moniotte
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Patent number: 4518731Abstract: The kinetics of crystallization of high polymers from the molten state is modified by adding to the polymers before the thermoforming step low amounts of a nucleating agent consisting of solid particles of crystalline zeolites treated with high-boiling acrylcarboxylic acid or sulphonic acid.Type: GrantFiled: December 22, 1983Date of Patent: May 21, 1985Assignee: Montedison S.p.A.Inventors: Valentino Zamboni, Corrado Brichta, Claudio Troglia
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Patent number: 4506046Abstract: A flame retardant non-opaque polycarbonate composition consisting essentially of, in admixture:(i) at least one halogen-free and sulfur containing aromatic polycarbonate resin derived from(a) at least one halogen-free and sulfur-free non-polycyclic dihydric phenol,(b) from about 4 to about 25 mole percent of at least one halogen-free thiodiphenol, based on the total amount of said halogen-free and sulfur-free non-polycyclic dihydric phenol and said halogen-free thiodiphenol employed, and(c) a carbonate precursor; and(ii) from about 0.001 to about 0.5 parts by weight per hundred parts by weight of said polycarbonate resin of at least one organic metal salt of sulfonic acid selected from the alkali and alkaline earth metal salts of sulfonic acids.Type: GrantFiled: April 4, 1984Date of Patent: March 19, 1985Assignee: General Electric CompanyInventor: Victor Mark
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Patent number: 4496678Abstract: The present invention is directed to a composition comprising:(a) a dispersion of a polyurea and/or polyhydrazodicarbonamide in a relatively high molecular weight organic compound containing at least two hydroxyl groups, wherein the concentration of the polyurea and/or polyhydrazodicarbonamide is from 1 to 40% by weight of the dispersion,(b) from 2 to 10% by weight of water based on the weight of component (a), and(c) from 3 to 10% by weight based on the weight of components (a) and (b), of a sulphonate diol corresponding to the formula: ##STR1## wherein A and B may be the same or different and represent a difunctional aliphatic hydrocarbon radical containing from 1 to 6 carbon atoms;R represents hydrogen, an aliphatic hydrocarbon radical containing from 1 to 4 carbon atoms, or a phenyl radical;X.sup..sym. represents an alkali metal cation, or an ammonium group which may be substituted;n and m represent the same or different numbers of from 1 to 30;o and p each represent 0 or 1; andq represents 0, 1 or 2.Type: GrantFiled: May 21, 1984Date of Patent: January 29, 1985Assignee: Mobay Chemical CorporationInventors: Wolfgang D. Wenzel, Michael N. Carmosino
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Patent number: 4477617Abstract: Blends of hydrocarbon polyolefin, reinforcing fiber, acid copolymer of .alpha.-olefin and .alpha.,.beta.-ethylenically unsaturated carboxylic acid and wetting agent are provided wherein the acid copolymer has from 0 to about 90 percent of the acid groups ionized by neutralization with metal ions. Such blends have excellent Izod impact values and fast molding cycles and as such are particularly suitable as molding resins.Type: GrantFiled: July 21, 1982Date of Patent: October 16, 1984Assignee: E. I. DuPont de Nemours and CompanyInventor: Charles V. Murphy
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Patent number: 4469833Abstract: Improved non-opque flame retardant compositions comprised of, in admixture:(i) at least one aromatic polycarbonate resin derived from (a) at least one halogen-free and sulfur-free dihydric phenol, (b) a minor amount of at least one halogen-free thiodiphenol, and (c) a carbonate precursor; and(ii) a minor amount of at least one organic alkali or alkaline earth metal salt of sulfonic acid.Type: GrantFiled: May 27, 1983Date of Patent: September 4, 1984Assignee: General Electric CompanyInventor: Victor Mark
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Patent number: 4443577Abstract: A composition comprising: (A) a non-Newtonian colloidal disperse system comprising (1) solid metal-containing colloidal particles predispersed in (2) a disperse medium of at least one inert organic liquid and (3) as an essential third component at least one member selected from the class consisting of organic compounds which are substantially soluble in said disperse medium, the molecules of said organic compound being characterized by polar substituents and hydrophobic portions; and (B) an isocyanate-terminated prepolymer.Type: GrantFiled: May 12, 1982Date of Patent: April 17, 1984Assignee: The Lubrizol CorporationInventors: William A. Higgins, John S. Perz
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Patent number: 4440890Abstract: Described herein is a flame retardant molding composition comprising a particular poly(aryl ketone) and a flame retardant additive which is a metal salt of an aromatic sulfonic acid.Type: GrantFiled: June 21, 1983Date of Patent: April 3, 1984Assignee: Union Carbide CorporationInventor: Lloyd M. Robeson
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Patent number: 4440895Abstract: Synthetic rubber dispersions containing carboxyl groups, free from specks and with little tendency to foaming, with advantages for their technical application contain a copolymer of 0.3 to 1.0 parts by weight of itaconic acid and 99.0 to 99.7 parts by weight of a mixture of 10 to 90 parts by weight of one or more acyclic conjugated dienes having 4 to 9 carbon atoms and 10 to 90 parts by weight of one or more aryl vinyl monomers having 8 to 12 carbon atoms and/or (meth)acrylonitrile, in which the quantity of (meth)acrylonitrile is at most 50 parts by weight and wherein up to 25 parts by weight of the non-dissociating monomers may optionally be replaced by one or more other non-dissociating copolymerizable monomers, which dispersions are stabilized with 0.05 to 0.5% by weight, based on the copolymer, of an anionic emulsifier.Type: GrantFiled: December 4, 1981Date of Patent: April 3, 1984Assignee: Bayer AktiengesellschaftInventors: Ferdinand Heins, Martin Matner, Hellmut Striegler
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Patent number: 4433102Abstract: A thermoplastic molding material contains 50-90% by weight of a hard component A comprising one or more copolymers of styrene and/or .alpha.-methylstyrene with acrylonitrile, and 50-10% by weight of a graft copolymer B comprising 40-80% by weight of a crosslinked acrylate polymer which has a mean particle size greater than 0.8 .mu.m (d.sub.50 value of the cumulative mass distribution) and onto which 20-60% by weight of a mixture of styrene and acrylonitrile in a weight ratio of from 88:12 to 65:35 is grafted.The novel molding material is used for the production of moldings.Type: GrantFiled: July 19, 1982Date of Patent: February 21, 1984Assignee: BASF AktiengesellschaftInventors: Franz Brandstetter, Juergen Hambrecht, Rudolf Stephan
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Patent number: 4417016Abstract: An improved frothing aid composition for use in combination with sodium polyacrylate viscosity regulator which consists about 70 to 99% by weight of a surfactant and from about 1 to 30% by weight of a thickener comprising a copolymer of acrylic or methacrylic acid with at least one copolymerizable monomer selected from the group consisting of alkyl acrylates or methacrylates having up to 6 carbons in the alkyl, vinylidene aromatic monomers and aliphatic conjugated diene monomers of 4-10 carbon atoms.Type: GrantFiled: February 19, 1982Date of Patent: November 22, 1983Assignee: Para-Chem Southern, Inc.Inventors: Charles D. Cline, Thomas L. Mills
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Patent number: 4417012Abstract: Additives for rubber compositions, giving vulcanisates having improved retention of optimum physical properties, are compounds containing two or more groups of the formula --S--SO.sub.2 R linked by an organic bridging group, or polymers containing two or more groups of the formula --S--SO.sub.2 R attached to an organic polymer chain, where R represents (a) a radical OM where M is a monovalent metal, the equivalent of a multivalent metal, a monovalent ion derived by the addition of a proton to a nitrogenous base, or the equivalent of a multivalent ion derived by the addition of two or more protons to a nitrogenous base, or (b) an organic radical selected from aliphatic, cycloaliphatic, aromatic and heterocyclic radicals, and radicals which are combinations of any two or more such radicals.Type: GrantFiled: June 30, 1982Date of Patent: November 22, 1983Assignee: Monsanto Europe S.A.Inventor: Philippe G. Moniotte
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Patent number: 4415698Abstract: Vinyl and vinylidene halide resins containing carboxyl or sulfonic acid functionalities can be formulated as stable, aqueous, colloidal dispersions by converting them to ionomers in a mixture of water-miscible base, water, organic water-miscible macromolecular compound, water-miscible organic solvent having an affinity for the resin and water-miscible organic co-solvent which is a poor solvent for the resins and a water-immiscible organic diluent, stripping the resultant colloidal dispersion to a total organic solvent content of about 0.2 to about 20% by volume and finally mixing the colloidal dispersion with an acrylic internally crosslinked rheology modifier.Type: GrantFiled: December 23, 1981Date of Patent: November 15, 1983Assignee: Union Carbide CorporationInventor: You-Ling Fan
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Patent number: 4359543Abstract: A water-displacing paint is disclosed for coating metallic surfaces in hu environments to prevent corrosion. The paint comprises controlled proportions of a silicone alkyd resin to serve as a binder and physical barrier, solvents including ethyl acetate, aromatic mineral spirits and 1,1,1 trichlorotrifluorethane for ensuring water immiscibility, a petroleum sulfonate to inhibit corrosion and aid surface absorption, and an organo-titanate of isopropyl tri-titanate to promote surface adhesion. Selected amounts of titanium dioxide and zinc molybdate are included as pigments in one effective example of the paint to provide it a white color. Alternate colors may be produced conventionally by adding standard tinting pigments in amounts sufficient to yield the desired color.Type: GrantFiled: July 30, 1981Date of Patent: November 16, 1982Assignee: The United States of America as represented by the Secretary of the NavyInventors: Charles R. Hegedus, Kenneth G. Clark
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Patent number: 4348954Abstract: An emulsion type protective agent for the surface of a lithographic printing plate comprising an aqueous phase having dissolved therein a hydrophilic high molecular weight compound and an oil phase containing an organic solvent, an alkylphenyl type nonionic surfactant having an HLB less than 14 and an anionic surfactant.Type: GrantFiled: December 5, 1980Date of Patent: September 14, 1982Assignee: Fuji Photo Film Co., Ltd.Inventor: Yoshio Okishi
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Patent number: 4346203Abstract: An emulsifier for the preparation of polymers comprising more than 50 percent by weight of an alkali metal salt of polysulphonic acid of alkane of medium chain length is disclosed. The emulsifier is useful in forming emulsions of polymers especially thermoplastic polymers and in particular polymers of vinyl chloride. It is useful in vinyl chloride polymerization and co-polymerization to form an emulsifier composition having improved transparent and antistatic properties. The polymer can be added before, during or after polymerization. When added after polymerization it provides improved properties to a calendered object obtained from the polymer.Type: GrantFiled: July 30, 1980Date of Patent: August 24, 1982Assignee: Bayer AktiengesellschaftInventors: Adolf Schmidt, Helmut Meier, Gunther Schedrat, August Bockmann
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Patent number: 4341674Abstract: An improved aqueous composition for impregnating multifilament glass strand comprises emulsified polybutadiene homopolymer, butadiene-styrene-vinylpyridine terpolymer, resorcinol-formaldehyde resin, emulsified wax, a thickening agent and a defoaming agent with the homopolymer and the terpolymer emulsified with a synthetic anionic surfactant having sulfate, sulfonate or sulfosuccinate groups.Type: GrantFiled: December 1, 1980Date of Patent: July 27, 1982Assignee: Owens-Corning Fiberglas CorporationInventors: Donn R. Vermilion, Donald J. Hammond
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Patent number: 4338425Abstract: The invention disclosed herein provides a process for preparing a diene-containing synthetic rubber having improved green strength which includes the steps of charging a reaction vessel with water, an emulsifier, an initiator, an N-(alkoxymethyl)acrylamide monomer and a monomer containing a vinyl group, purging the vessel with an inert gas, charging a diene monomer and an activator to the vessel, polymerizing the monomers to form a copolymer; and, thereafter extracting the copolymer from the vessel and any unreacted monomers. A styrene-butadiene composition containing up to about 10 percent by weight of N-(isobutoxymethyl)acrylamide exhibits better stress-strain properties than a comparable styrene-butadiene rubber without the acrylamide compound.Type: GrantFiled: March 24, 1980Date of Patent: July 6, 1982Assignee: The Firestone Tire & Rubber CompanyInventors: David J. Dougherty, Binnur Gunesin, John W. Spiewak
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Patent number: 4329268Abstract: High acid content latexes can be produced through the use of novel polyethyleneoxy sulfonates surfactants. An aqueous emulsion can be produced from the reaction product of vinyl acid monomer and another copolymerizable monomer or monomers. The vinyl acid monomer being present in an amount equal to about 5% to about 50% by weight based on total weight of the monomers and the surfactant is present in an amount equal to about 0.1 to about 10 weight percent based on the total weight of monomers and is represented by the formula:R.sub.1 (R.sub.2).sub.y O(CH.sub.2 CH.sub.2 O).sub.n-1 CH.sub.2 CH.sub.2 SO.sub.3 Mewherein:R.sub.1 is an alkyl having at least 6 carbon atoms;R.sub.2 is an aryl group;n is at least 3; andMe is NH.sub.4, Na, Li or K.Y is 0 or 1.Type: GrantFiled: May 4, 1981Date of Patent: May 11, 1982Assignee: GAF CorporationInventors: Paritosh M. Chakrabarti, Darrell G. Kirchner
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Patent number: 4329391Abstract: A process is disclosed for surface-modifying shaped essentially synthetic fiber articles so as to impart to them stain-release properties that endure through many launderings. The process subjects the article to a water-dispellable non-crystalline polymeric compound and a water-soluble salt in an aqueous swelling environment.Type: GrantFiled: September 26, 1980Date of Patent: May 11, 1982Assignee: Minnesota Mining and Manufacturing CompanyInventor: Eugene S. McAlister
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Patent number: 4327015Abstract: The invention is directed to flame-resistant, transparent aromatic polycarbonate compositions comprising polycarbonate resin and an additive amount of a member selected from the group consisting of aldehyde-bisulphite adducts and ketone-bisulphite adducts.Type: GrantFiled: May 11, 1981Date of Patent: April 27, 1982Assignee: Bayer AktiengesellschaftInventors: Frank Druschke, Dieter Margotte, Wolfgang Cohnen, Karsten Idel
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Patent number: 4323491Abstract: An adhesive composition comprising a prepolymer of polydiethylene glycol adipate and tolylene diisocyanate, polyisocyanate, trichlor ethylphosphate, and a mixture of water, urea, and sodium sulphoricinate, the ratio of said mixture components being, respectively, 1:(0.01 to 0.3):(0.01 to 0.2), the components of the adhesive composition being in the following amounts, in parts by mass:______________________________________ prepolymer of polydiethylene glycol adipate and tolylene diisocyanate 100 polyisocyanate 5 to 30 trichloroethylphosphate 1 to 60 mixture of water, urea, and sodium sulphoricinate taken in the ratio of, respectively, 1:(0.01 to 0.3): (0.01 to 0.2) 0.Type: GrantFiled: April 24, 1980Date of Patent: April 6, 1982Inventors: Roman A. Veselovsky, Anatoly N. Kuxin, Oleg A. Mudrov, Yakov I. Roitenberg
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Patent number: 4321182Abstract: An improved solution of a polybenzimidazole suitable for use in the formation of shaped articles (e.g. fibers, films, and the like) is provided which includes a minor amount of an organo-lithium compound (as defined) which has been found to be capable of inhibiting the separation of the solution into phases of greater and lesser concentrations of the polybenzimidazole upon the passage of time. In a preferred embodiment the organo-lithium compound is lithium stearate. Not only is stability imparted to the solution prior to the formation of a shaped article, but the potential for catastrophic corrosive stress cracking of stainless steel equipment in contact with the solution is eliminated such as that which may occur following the extended use of the common prior art additive, lithium chloride.Type: GrantFiled: May 4, 1981Date of Patent: March 23, 1982Assignee: Celanese CorporationInventors: Robert Davitt, Gordon W. Calundann, Edward C. Chenevey