Five-membered Nitrogen Containing Ring Patents (Class 524/94)
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Patent number: 4578409Abstract: The present invention relates to a novel halogenated silane conforming to the structure ##STR1## where X is a halogen atom, n is an integer of from 1 to 4, p is an integer of from 1 to 9 and m is an integer of from 1 to 5. The silane thus disclosed was found to be particularly suitable as a flame retarding additive for thermoplastic molding compositions.Type: GrantFiled: January 14, 1985Date of Patent: March 25, 1986Assignee: Mobay Chemical CorporationInventors: Sivaram Krishnan, Ulrich R. Grigo, Donald A. Folajtar
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Patent number: 4570690Abstract: Filled rubber vulcanizates containing aromatic furazan oxides exhibit many improved properties such as increased filler-rubber interaction and decreased hysteresis. Useful furazan oxides have both carbons of the furazan ring as part of a fused aromatic ring. Typical examples are benzofurazan oxide and its methyl and methoxy analogs. Tires made from the inventive vulcanizates show lower running temperatures and improved rolling resistance. The desirable effects of the aromatic furazan oxides may be improved by mixing the rubber, filler and furazan oxide in a conventional mechanical compounding device at specific temperatures and time periods such as about 200.degree.-400.degree. F. for 2-20 minutes.Type: GrantFiled: September 21, 1984Date of Patent: February 18, 1986Assignee: The Firestone Tire & Rubber CompanyInventor: Daniel F. Graves
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Patent number: 4557306Abstract: Carbon black products useful in rubber compositions, and rubber compositions (uncured or cured) containing said carbon black products are described. The carbon black products of the invention comprise carbon black having a surface area of at least 20 m.sup.2 /g. and up to about 10% by weight, based on the weight of the carbon black of at least one aromatic furazan oxide. Useful furazan oxides have both carbons of the furazan ring as part of a fused aromatic ring, and particular examples include benzofurazan oxide, and its methyl and methoxy analogs. Improvements in the processability of uncured rubber compositions containing the carbon black products of the invention have been observed.Filled rubber vulcanizates containing the carbon black products of the invention exhibit many improved properties such as increased filler-rubber interaction and decreased hysteresis.Type: GrantFiled: June 18, 1984Date of Patent: December 10, 1985Assignee: The Firestone Tire & Rubber CompanyInventor: Daniel F. Graves
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Patent number: 4555379Abstract: Ethylene homopolymers and copolymers of ethylene and C.sub.3 -C.sub.8 acylic alpha-olefins prepared with a catalyst comprising the reaction product of a metal organic oxygenated compound, a transition metal organic oxygenated compound and an aluminium halide can be combined with acetylenic high molecular weight diperoxy hexynes or octynes and crosslinked during rotational molding.Type: GrantFiled: April 3, 1985Date of Patent: November 26, 1985Assignee: National Distillers and Chemical CorporationInventors: Melvin F. Maringer, Fred K. Morgan
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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: 4552818Abstract: An encapsulant for an electronic device comprises a silicone resin having a highly colored porphyrin compound doped therein.Type: GrantFiled: May 10, 1984Date of Patent: November 12, 1985Assignee: AT&T Technologies, Inc.Inventor: Ching-Ping Wong
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Patent number: 4551495Abstract: Weather-resistant polyamides stabilized by a combination of special cyclic phosphorous acid esters and certain indole derivatives.Type: GrantFiled: November 18, 1983Date of Patent: November 5, 1985Assignee: Bayer AktiengesellschaftInventors: Bert Brassat, Hans-Josef Buysch, Karl H. Hermann, Heinrich Haupt
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Patent number: 4548969Abstract: Ethylene homopolymers and copolymers of ethylene and C.sub.3 -C.sub.8 acylic alpha-olefins prepared with a catalyst comprising the reaction product of a metal organic oxygenated compound, a transition metal organic oxygenated compound and an aluminum halide can be combined with acetylenic high molecular weight diperoxy hexynes or octynes and crosslinked during rotational molding.Type: GrantFiled: May 23, 1983Date of Patent: October 22, 1985Inventors: Melvin F. Maringer, Fred K. Morgan
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Patent number: 4546126Abstract: The tendency to drip of the melt formed from reinforced moulding materials based on thermoplastic polyesters, provided with a flame-retarding finish, when the latter are subjected to an open flame can be prevented by adding phyllosilicates, and the reduction in the toughness properties thereby caused can be prevented by adding alkali metal salts of aliphatic C.sub.6-22 monocarboxylic acids.Type: GrantFiled: July 5, 1984Date of Patent: October 8, 1985Assignee: Ciba Geigy CorporationInventors: Franz Breitenfellner, Thomas Kainmulle
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Patent number: 4521557Abstract: Flame retardant copolyetherester elastomer compositions containing effective concentrations of N,N'-ethylenebis(tetrabromophthalimide), antimony trioxide, and fumed silica.Type: GrantFiled: June 23, 1983Date of Patent: June 4, 1985Assignee: E. I. Du Pont de Nemours and CompanyInventor: James M. McKenna
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Patent number: 4520146Type: GrantFiled: September 27, 1983Date of Patent: May 28, 1985Assignee: Canusa Coating Systems LimitedInventor: Ralph H. Hansen
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Patent number: 4514533Type: GrantFiled: September 27, 1983Date of Patent: April 30, 1985Assignee: Canusa Coating Systems LimitedInventor: Ralph H. Hansen
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Patent number: 4506047Abstract: It is an object of the invention to provide a polycarbonate composition having improved mechanical properties and a process for the preparation of said composition. These objects are achieved in accordance with the present invention which teaches a blend of a polycarbonate resin and an additive amount of an aromatic bis-imide compound. The composition comprising said blend retains a surprising degree of ductility as measured by tensile elongation and yield strength and exhibits an improvement in both tensile strength and flexural modulus.Type: GrantFiled: June 6, 1983Date of Patent: March 19, 1985Assignee: Mobay Chemical CorporationInventors: Mark W. Witman, Gerard E. Reinert
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Patent number: 4499219Abstract: Moulding compositions based on thermoplastic polyesters can be effectively protected against thermal degradation, if they contain, as a first stabilizer, a polyepoxide compound and, as a second stabilizer, a bisoxazoline or a dicarboxylic acid imide or amide.Type: GrantFiled: November 21, 1983Date of Patent: February 12, 1985Assignee: Ciba-Geigy CorporationInventors: Lothar Buxbaum, Franz Breitenfellner, Thomas Kainmuller
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Patent number: 4477523Abstract: A filled crosslinked polymeric composition of ethylene-vinyl ester copolymer which has a significant degree of flame retardancy by inclusion of a dual lubricant system which includes a fatty acid and an alkylene-bis-amide.Type: GrantFiled: September 28, 1983Date of Patent: October 16, 1984Assignee: National Distillers and Chemical CorporationInventors: James W. Biggs, Melvin F. Maringer
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Patent number: 4467062Abstract: Flame retarded thermoplastic compositions which comprise in intimate admixture: (a) a polyethylene terephthalate, (b) a copolymer of a vinyl aromatic compound and an alpha,beta-unsaturated cyclic anhydride, said copolymer being a rubber-modified graft copolymer or a rubber-free copolymer, (c) a bis-imide flame retardant having at least 8 halogen atoms in the molecule bonded to carbon atoms of aromatic ring systems, (d) optionally, an inorganic synergist for said flame retardant. The compositions preferably contain an impact modifier as well.Type: GrantFiled: August 18, 1983Date of Patent: August 21, 1984Assignee: Ethyl CorporationInventors: Edwin D. Hornbaker, Jesse D. Jones
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Patent number: 4464240Abstract: Compounds of the formula (I) ##STR1## where Y is H, Cl or Br with at least one Y always being Cl or Br and X is S or S--S.Polymer compositions including antioxidants and the compounds or the compound alone are useful as electrical insulation e.g., for copper cable, as heat shrinkable (heat recoverable) parts or as other plastic parts to improve the retention of mechanical and/or electrical properties of the insulation or parts.Type: GrantFiled: November 8, 1982Date of Patent: August 7, 1984Assignee: Canusa Coating Systems LimitedInventor: Ralph H. Hansen
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Patent number: 4459380Abstract: A crosslink curable ethylene-propylene rubber composition with improved resistance to heat shock, the cured rubber composition and electrical conductors insulated with said cured rubber composition. The improved rubber composition comprises a combination of ethylene-propylene rubbers of different structural orientation, and antioxidants.Type: GrantFiled: August 3, 1981Date of Patent: July 10, 1984Assignee: General Electric CompanyInventor: Joseph E. Vostovich
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Patent number: 4447572Abstract: Polyamides, flame retarded with a halogenated derivative and blended with a polymer blend resin being at least partially incompatible and having a lower melt viscosity than the polyamide, to improve the arc tracking resistance of the polyamide, are disclosed. The polyamides are particularly useful in the manufacture of flame retarded electrical components.Type: GrantFiled: November 6, 1981Date of Patent: May 8, 1984Assignee: Occidental Chemical CorporationInventors: Daniel J. Scharf, Charles S. Ilardo, Willis T. Schwartz, Gideon Salee
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Patent number: 4417013Abstract: A solid pigment composition comprises an intimate mixture of a pigment and a copolymer of an alkyl or cycloalkyl methacrylate ester and a lesser amount of an aminoalkyl methacrylate ester. The compositions are compatible with a wide range of substrates such as paints, printing inks and bulk polymers.Type: GrantFiled: January 18, 1982Date of Patent: November 22, 1983Assignee: Sandoz Ltd.Inventor: Johann Schuster
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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: 4407992Abstract: The disclosure of this application is directed to flame retardant compositions comprising an alkylene-alkyl acrylate copolymer, a halogenated flame retardant additive, an oxide, hydroxide, carbonate or sulfate of calcium or magnesium and antimony oxide as a second flame retardant additive. The compositions, as described, can be extruded about electrical conductors to provide insulation thereon and also extruded as jacketing about telephone wires and cables.Type: GrantFiled: August 30, 1982Date of Patent: October 4, 1983Assignee: Union Carbide CorporationInventor: Michael J. Keogh
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Patent number: 4404361Abstract: An additive flame retardant bisimide containing halogen atoms and ammonium acid tetrahalophthalate, e.g. N,N'-bis(2-ethylene tetrabromophthalimide) ammonium acid tetrabromophthalate. These compounds are useful in a variety of polymeric compositions and demonstrate increased thermal stability. They also foam on decomposition with the evolution of gas thus readily lending themselves to the preparation of flame retardant coatings.Type: GrantFiled: January 11, 1982Date of Patent: September 13, 1983Assignee: Saytech, Inc.Inventor: Henry J. Barda
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Patent number: 4388429Abstract: Polyolefins such as polyethylene, polypropylene, and the like are rendered flame retardant by incorporating therein about 2-60 percent of a combination of (1) a Diels-Alder adduct of a chlorinated cyclopentadiene and a polyunsaturated cycloaliphatic compound and (2) a brominated aromatic compound.Type: GrantFiled: April 24, 1981Date of Patent: June 14, 1983Assignee: Occidental Chemical CorporationInventors: Charles S. Ilardo, Daniel J. Scharf
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Patent number: 4386000Abstract: A concentrated fabric softening composition comprising water-insoluble cationic softener and a viscosity control system comprising a first component selected from non-cyclic hydrocarbons, fatty acids and esters thereof and fatty alcohols, and a second component which is a water-soluble cationic polymer having a molecular weight of 2000 to 250,000, selected from polyethylenimine, ethoxylated and propoxylated polyethylenimines and quaternized polyethylenimines. The composition has improved viscosity and stability at both normal and elevated temperatures.Type: GrantFiled: July 1, 1981Date of Patent: May 31, 1983Assignee: The Procter & Gamble CompanyInventors: John C. Turner, Anthony Dovey, Neil A. MacGilp
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Patent number: 4382801Abstract: The invention relates to a process for spin dyeing polymers of acrylonitrile or copolymers containing predominantly acrylonitrile, which process comprises adding to the spinning solution a monocationic dye salt of the formula ##STR1## wherein D is the group of atoms necessary to close a 5-membered heterocyclic ring containing two N-atoms, or to close a 6-membered heterocyclic ring, which rings may optionally contain fused benzene rings, or is the group of atoms necessary to close a benzthiazole ring, and Q is the radical of a carbocyclic or heterocyclic aromatic coupling component, and R.sub.1 is alkyl, aralkyl or aryl. The yellowish-red transparent fibres obtained have excellent fastness properties.Type: GrantFiled: December 14, 1981Date of Patent: May 10, 1983Assignee: Ciba-Geigy CorporationInventor: Peter Loew
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Patent number: 4379916Abstract: Insulating wire coating enamels containing a mixture of polyvinyl acetal, phenolic and epoxy resins are prepared by precipitating the resins from a tetrahydrofuran solution with water. The precipitated resins are dried and electrostatically applied to transformer wire.Type: GrantFiled: June 1, 1981Date of Patent: April 12, 1983Assignee: General Electric CompanyInventor: Ralph G. Flowers
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Patent number: 4374220Abstract: Flame retardants having good stability at the processing temperatures of high melting polymers are described. The flame retardants are halogen-containing bis-imides, for example, those of the formula ##STR1## R being defined in the specification.Type: GrantFiled: May 14, 1981Date of Patent: February 15, 1983Assignee: Raychem CorporationInventor: Joseph Sonnenberg
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Patent number: 4374221Abstract: A high solids content, low molecular weight polymer, low viscosity polyamide-imide enamel is described. The enamel is a reaction product of polyisocyanate, trimellitic anhydride, and an isocyanate blocking alcohol having a ratio of free isocyanate to total carboxyl and anhydride groups of 0.99:1 to 0.85:1. The method of making the enamel and the method of coating electrical conductors such as magnet wire with such enamel are also disclosed.Type: GrantFiled: November 17, 1981Date of Patent: February 15, 1983Assignee: Essex Group, Inc.Inventors: Charles W. McGregor, Stephen E. Summers
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Patent number: 4369276Abstract: Chlorine-containing thermoplastics, containing a pyrrole of the formula I ##STR1## in which R.sub.1 is hydrogen, alkyl, cycloalkyl, aryl, alkoxycarbonylmethyl, free or esterified .alpha.-hydroxyalkyl, free or esterified .alpha.-hydroxycycloalkylmethyl, free or esterified .alpha.-hydroxyaralkyl, alkoxymethyl, alkylthiomethyl, aryloxymethyl, arylthiomethyl, cycloalkoxymethyl, cycloalkylthiomethyl, aralkoxymethyl, aralkylthiomethyl, alkoxy, alkylthio, cycloalkoxy, cycloalkylthio, aralkoxy, arylalkylthio, aryloxy, arylthic, halogen, mercapto, mercaptomethyl or hydroxyl, R.sub.2 is hydrogen, alkyl, cycloalkyl, aryl, free or esterified .alpha.-hydroxyalkyl, in which the alkyl moiety together with R.sub.1 can be alkylene, or free or esterified .alpha.-hydroxycycloalkylmethyl, free or esterified .alpha.Type: GrantFiled: May 26, 1981Date of Patent: January 18, 1983Assignee: Ciba-Geigy CorporationInventors: Hermann O. Wirth, Jurgen Bussing, Hans-Helmut Friedrich
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Patent number: 4366276Abstract: Aromatic polyesters and polyestercarbonates based on diphenols and iso- and/or terephthalic acids become flame-proof if admixed with small quantities of ammonium or alkali metal salts of inorganic or organic acids and optionally halophthalimides and optionally polytetrafluoroethylene. The mechanical and chemical properties of the polyester (carbonates) remain unchanged.Type: GrantFiled: June 7, 1981Date of Patent: December 28, 1982Assignee: Bayer AktiengesellschaftInventors: Dieter Freitag, Werner Nouvertne, Klaus Reinking, Peter Tacke, Frank Kleiner, Manfred Schmidt
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Patent number: 4356307Abstract: Cyclic imides of the formula: ##STR1## in which R represents a saturated or unsaturated, optionally alkyl- or alkenyl-substituted alkylene or cycloalkylene radical having 2-120 C-atoms and R' represents hydrogen or a substituent selected from the group consisting ofan alkyl radical having 1-20 C-atoms,an alkenyl radical having 3-5 C-atoms,an aralkyl radical having 7-12 C-atoms,--CH.sub.2 --CH.sub.2 --CN,--CH.sub.2 --CH.sub.2 --COO--alkyl,--CH.sub.2 --CH.sub.2 (CH.sub.3)--COO-alkylan acyl radical or--(CH.sub.2 --CH.sub.2 O).sub.n H, wherein n is 1-10are stabilizers for synthetic resins especially for polyolefins.Type: GrantFiled: February 17, 1981Date of Patent: October 26, 1982Assignee: Chemische Werke Huls AktiengesellschaftInventors: Heike Kelkenberg, Elmar Wolf
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Patent number: 4356123Abstract: Sparingly soluble isoindoline colorants of the formula ##STR1## where R is carbamyl, N-C.sub.1 -C.sub.4 -alkylcarbamyl or N-phenylcarbamyl and Q is a group of the formula ##STR2## where A is 1,3- or 1,4-phenylene and the ring B is 1,2-phenylene, 1,2-naphthylene or 2,3-naphthylene and R has the above means, and where the phenyl radicals in R, A and B independently of one another may be unsubstituted or substituted by groups which do not confer solubility.The colorants I may be used as pigments and for coloring finishes, printing inks and plastics.Type: GrantFiled: March 7, 1980Date of Patent: October 26, 1982Assignee: BASF AktiengesellschaftInventor: Wolfgang Lotsch
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Patent number: 4346187Abstract: Trityl compounds wherein a triphenylmethyl group is attached to oxygen, divalent sulfur, trivalent nitrogen or a halogen are effective synergists for organic bromine flame retardants in polypropylene compositions.Type: GrantFiled: March 8, 1979Date of Patent: August 24, 1982Assignee: Borg-Warner Chemicals, Inc.Inventor: George M. Nichols
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Patent number: 4341896Abstract: 1-Hydroxy-4-heteroarylaminoanthraquinones of the formula ##STR1## wherein Q is for example one of the two groups of the formulae ##STR2## are most suitable for the mass coloration of polyester. They are distinguished in particular by good lightfastness and purity of shade. Further definitions of Q will be found in claim 1.Type: GrantFiled: May 19, 1980Date of Patent: July 27, 1982Assignee: Ciba-Geigy CorporationInventor: Max Jost
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Patent number: 4340735Abstract: Isoindoline colorants of the formula ##STR1## where R.sup.1 is the radical of a 5-membered or 6-membered heterocyclic unsaturated ring, which may or may not be fused to a benzo ring, X is ##STR2## R.sup.2 and R.sup.3 independently of one another are hydrogen, C.sub.1 -C.sub.4 -alkyl, benzyl, phenyl or 1-naphthyl, and R.sup.1, the phenyl and naphthyl radicals, and the ring A may or may not be substituted by groups which do not confer solubility.In surface coatings, printing inks and plastics the novel colorants give yellow to red or brown very deep colorations which have good lightfastness, and fastness to weathering and to overspraying.Type: GrantFiled: January 22, 1981Date of Patent: July 20, 1982Assignee: BASF AktiengesellschaftInventors: Wolfgang Lotsch, Reinhard Kemper
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Patent number: 4339383Abstract: The invention relates to alkanolamido-.beta.-carboxylic acid esters of the formula I ##STR1## A full definition of the above formula will be found in claim 1 of the specification. These compounds are useful stabilizers for chlorinated thermoplastics.Type: GrantFiled: July 2, 1980Date of Patent: July 13, 1982Assignee: Ciba-Geigy CorporationInventors: Wolfgang Wehner, Klaus-Peter Michaelis, Rainer Schneider
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Patent number: 4338244Abstract: The present invention relates to a process for stabilizing organic polymeric materials comprising incorporating therein a benzofuran(2)one compound or indolin(2)one compound containing at least two benzofuran(2)one or indolin(2)one nuclei.Type: GrantFiled: February 4, 1980Date of Patent: July 6, 1982Assignee: Sandoz Ltd.Inventors: Hans Hinsken, Horst Mayerhoefer, Wolfgang Mueller, Hermann Schneider
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Patent number: 4330456Abstract: Continuous process for producing a finely divided aqueous dispersion of a homogeneous phase of at least one fusible solid ingredient and possibly of at least one liquid ingredient in which an aqueous solution of dispersion additive with a melted homogeneous phase is continuously subjected to a high velocity gradient in an agitation zone. The respective temperatures and flow rates of the aqueous solution and the homogeneous phase are regulated so that the homogeneous phase of the dispersion thusly produced reaches its solidification temperature after the dispersion has been evacuated from the agitation zone and before thermal equilibrium between the aqueous solution and the homogeneous phase is reached.Type: GrantFiled: December 26, 1978Date of Patent: May 18, 1982Assignee: Chloe ChimieInventors: Bernard Bonnaud, Jean-Bernard Pompon
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Patent number: 4327024Abstract: Iminoisoindolinone pigments of the formula ##STR1## are pigments with excellent color strength and good fastness to light, atmospheric influences, heat and migration, and are suitable for pigmenting organic material of high molecular weight.Type: GrantFiled: November 10, 1980Date of Patent: April 27, 1982Assignee: Ciba-Geigy CorporationInventor: Ernst Model
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Patent number: 4325863Abstract: The present invention relates to a process for stabilizing organic polymeric materials comprising incorporating therein a benzofuran (2) one or indolin (2) one compound as stabilizer. Such stabilized polymeric materials are stabilized against degradation during the polymer processing.Type: GrantFiled: February 4, 1980Date of Patent: April 20, 1982Assignee: Sandoz Ltd.Inventors: Hans Hinsken, Horst Mayerhoefer, Wolfgang Mueller, Hermann Schneider
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Patent number: 4320049Abstract: A sufficient amount of a novel halogenated aromatic imide sulfonate, represented by the structural formula: ##STR1## wherein X is a halogen, n is 1 to 4, Y is a lower alkyl having 1 to 4 carbon atoms, a halogen or a hydrogen atom, "a" is 0 to 4, M is an alkali metal and T is either 0 or 1, is incorporated into an aromatic polycarbonate to provide flame resistance thereto.Type: GrantFiled: July 14, 1980Date of Patent: March 16, 1982Assignee: Mobay Chemical CorporationInventors: Sivaram Krishnan, Russell P. Carter, Jr., Robert D. Kroshefsky
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Patent number: 4320038Abstract: The disclosure of this application is directed to a composition of a copolymer of an alkylene-alkyl acrylate, a talc filler coated with a metal salt of a fatty acid and a non-polar flame retardant additive. The compositions of this invention are useful as insulation about electrical conductors, providing insulated electrical conductors which have improved flame retardant properties and improved insulation resistance.Type: GrantFiled: November 25, 1980Date of Patent: March 16, 1982Assignee: Union Carbide CorporationInventor: Michael J. Keogh
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Patent number: T102701Abstract: A liquid ink for use in ink jet printing, comprising a water-based dye, a water-soluble styrene/acrylic copolymer as the sole binder constituent, water and ammonia as a volatile drying conformant.Type: GrantFiled: March 1, 1982Date of Patent: February 1, 1983Inventors: Robert S. Cutler, Sterritt R. Fuller, Jr.