Product Having Elemental Carbon Patents (Class 523/215)
  • Patent number: 4795767
    Abstract: A can carrier composition comprising at least one of each of the following components wherein all parts are by weight based on 100 parts by weight of component (i):(i) a high pressure polyethylene having a density in the range of about 0.918 to about 0.930 gram per cubic centimeter;(ii) a linear polyethylene having a density of less than about 0.925 gram per cubic centimeter in an amount of about 2 to about 35 parts;(iii) polyethylene wax in an amount of about 0.5 to about 5 parts;(iv) a mineral filler coated with a metal salt of a fatty acid in an amount of about 0.05 to about 0.50 parts;(v) a secondary amide in an amount of about 0.02 to about 0.15 part;(vi) an antioxidant in an amount of about 0.02 to about 0.10 part; and(vii) an organic phosphorus compound in an amount of about 0.005 to about 0.05 part.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: January 3, 1989
    Assignee: Union Carbide Corporation
    Inventors: Michael J. Turczyk, George M. Harlan
  • Patent number: 4788229
    Abstract: It now has been found that uncured modified rubber compositions comprising mixtures of elastomers and a reinforcing filler can be prepared having improved properties.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: November 29, 1988
    Assignee: The Firestone Tire & Rubber Company
    Inventors: Georg G. A. Bohm, Daniel F. Graves
  • Patent number: 4764547
    Abstract: A rubber composition comprising 30-140 parts by weight of carbon black treated with a particular compound based on 100 parts by weight of rubber which provides an improved reinforcement property of the rubber composition and at the same time improvement of the efficiency of productivity in tire manufacturing.
    Type: Grant
    Filed: March 23, 1987
    Date of Patent: August 16, 1988
    Assignee: Bridgestone Corporation
    Inventors: Takashi Hatanaka, Michitaka Takeshita
  • Patent number: 4737540
    Abstract: Disclosed is a carbon fiber reinforced polyester resin composition comprising (A) 30 to 98.985% by weight of a thermoplastic polyester resin, (B) 1 to 60% by weight of a carbon fiber, (C) 0.01 to 5% by weight of at least one compound selected from the following compounds (I), (II) and (III):(I) at least one sulphur compound represented by the following formula (X): ##STR1## wherein R.sub.1 and R.sub.2 stand for C.sub.m H.sub.2m+1 radical, and m stands for a recurring number of 1 to 30,(II) at least one salt of an organic carboxylic acid with a metal of the group Ia or IIa of the Periodic Table,(III) a phosphorus compound, and (D) 0.005 to 5% by weight of at least one polycarbonate resin represented by the following formula (IV), ##STR2## wherein R.sub.3 through R.sub.10 stand for independently a hydrogen atom or a halogen atom, R.sub.11 and R.sub.12 stand for independently an alkyl radical, and n stands for an average recurring number of not less than 3.
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: April 12, 1988
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Tomohiko Yoshida, Naoyuki Suzuki
  • Patent number: 4721740
    Abstract: A dispersion improved carbon black compounded rubber composition comprises a rubber component and a reinforcing carbon black in an amount of from 30 to 150 parts by weight with respect to 100 parts by weight of the rubber component. The rubber component is selected from a group consisting of a natural rubber, synthetic isoprene rubber and a mixture thereof, or a blend of this rubber component with a diene base synthetic rubber other than this rubber component. The reinforcing carbon black has a specific surface area of from 70 to 200 m.sup.2 /g when measured by a nitrogen adsorption method and a DBP value of from 80 to 130 ml/100 g, and is obtained by introducing mainly phenolic hydroxide groups into the surface of the carbon black through plasma treatment at low temperatures or by introducing carboxyl groups and the phenolic hydroxide groups thereinto through plasma treating at low temperatures and neutralizing the thus introduced acid groups.
    Type: Grant
    Filed: July 8, 1986
    Date of Patent: January 26, 1988
    Assignee: Bridgestone Corporation
    Inventors: Michitaka Takeshita, Mitsuo Kiboku, Seishiro Ito, Tatsuhiko Ihara
  • Patent number: 4717595
    Abstract: A molded carbonaceous material which is a molded mixture comprising a carbonaceous powder and a binder, particles of said carbonaceous powder particles being bound together by means of said binder with the surface of said carbonaceous powder being not wholly covered with said binder.
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: January 5, 1988
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Koichi Watanabe, Michinobu Maesaka, Michihiro Murata
  • Patent number: 4704413
    Abstract: According to the invention, a resin composition having an electromagnetic wave shielding effect is provided. The resin composition comprises 35 to 90 wt % of an ABS resin or a mixture of the ABS resin and an AS resin, 1 to 25 wt % of a plasticizer and 5 to 40 wt % of carbon fibers. The carbon fibers are uniformly dispersed in the resin ingredient without being broken or cut at the step of mixing and dispersing the resin components, thus exhibiting improved electromagnetic wave shielding effect.
    Type: Grant
    Filed: January 17, 1986
    Date of Patent: November 3, 1987
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Takeshi Nabeta, Isamu Hanahara
  • Patent number: 4696956
    Abstract: According to the invention, a resin composition having an electromagnetic wave shielding effect is provided. The resin composition comprises 35 to 90 wt % of an ABS resin or a mixture of the ABS resin and an AS resin, 1 to 25 wt % of a plasticizer and 5 to 40 wt % of carbon fibers. The carbon fibers are uniformly dispersed in the resin ingredient without being broken or cut at the step of mixing and dispersing the resin components, thus exhibiting improved electromagnetic wave shielding effect.
    Type: Grant
    Filed: November 20, 1985
    Date of Patent: September 29, 1987
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Takeshi Nabeta, Isamu Hanahara
  • Patent number: 4657945
    Abstract: This invention relates to fibre-reinforced or filled polyphenylene sulphide and to a process for the production thereof.
    Type: Grant
    Filed: July 10, 1985
    Date of Patent: April 14, 1987
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl-Heinz Reichert, Ingo Koschinski
  • Patent number: 4634785
    Abstract: The invention relates to a new process for producing titanium IV and zirconium IV pyrophosphates, certain of which are new compounds, and their uses. The pyrophosphates are prepared by reacting a metal tetraester with phosphorus pentoxide, with or without the addition of an hydroxyl compound, such as an alcohol or a phenol. Depending on the molar ratio of the components, the compounds produced may contain cyclic or straight chain pyrophosphate groups and alkoxy groups attached to the metallic ion. In addition to forming new compounds, the process of the invention produces the desired products without difficult-to-separate by-products.
    Type: Grant
    Filed: September 14, 1984
    Date of Patent: January 6, 1987
    Assignee: Kenrich Petrochemicals, Inc.
    Inventors: Gerald Sugerman, Salvatore J. Monte
  • Patent number: 4631304
    Abstract: Carbon black which has been treated with organic peroxides imparts high scorch resistance to rubber into which it has been compounded.
    Type: Grant
    Filed: March 18, 1985
    Date of Patent: December 23, 1986
    Assignee: Phillips Petroleum Company
    Inventor: Charles R. Wilder
  • Patent number: 4623738
    Abstract: A composition of matter comprising neoalkoxy compounds having the following formula: ##STR1## wherein M is titanium or zirconium, R, R.sup.1 and R.sup.2 are each a monovalent alkyl, alkenyl, alkynyl, aralkyl, aryl or alkaryl group having up to twenty carbon atoms or a halogen or ether substituted derivative thereof, and, in addition, R.sup.2 may also be an oxy derivative or an ether substituted oxy derivative of said groups; A, B, and C are each a monovalent aroxy, thioaroxy, diester phosphate, diester pyrophosphate, oxyalkylamino, sulfonyl or carboxyl containing up to 30 carbon atoms; and a+b+c=3.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: November 18, 1986
    Assignee: Kenrich Petrochemicals, Inc.
    Inventors: Gerald Sugerman, Salvatore J. Monte
  • Patent number: 4608402
    Abstract: The adhesion of pitch-based carbon fiber to organic resin is improved by treatment at room temperature with a gaseous atmosphere containing from 100 to 1000 parts per million of ozone.
    Type: Grant
    Filed: August 9, 1985
    Date of Patent: August 26, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Hugh E. Redick, Russell D. Barnes
  • Patent number: 4602052
    Abstract: A rubber composition containing carbon black as a reinforcing filler and a quaternary ammonium salt as a coupling agent and a method of making it are disclosed.
    Type: Grant
    Filed: September 17, 1984
    Date of Patent: July 22, 1986
    Assignee: Amoco Corporation
    Inventors: Kenneth E. Weber, Dirk Oberlin
  • Patent number: 4602051
    Abstract: According to the invention, a resin composition having an electromagnetic wave shielding effect is provided. The resin composition comprises 35 to 90 wt % of an ABS resin or a mixture of the ABS resin and an AS resin, 1 to 25 wt % of a plasticizer and 5 to 40 wt % of carbon fibers. The carbon fibers are uniformly dispersed in the resin ingredient without being broken or cut at the step of mixing and dispersing the resin components, thus exhibiting improved electromagnetic wave shielding effect.
    Type: Grant
    Filed: August 30, 1984
    Date of Patent: July 22, 1986
    Assignee: Denki Kagaku Kogyo Kabushiki Kaisha
    Inventors: Takeshi Nabeta, Isamu Hanahara
  • Patent number: 4599370
    Abstract: A powdered elastomeric composition is formed by combining a powder elastomer and a powdered predispersion of liquid or pasty components, such as process oil, lubricants and waxes, in a dry powder filler. The powdered predispersion is combined with the powder elastomer using a ribbon blender to form a consistent homogenous powder dry blend which can be directly injection molded without any additional mixing other than that occurring in the extruder portion of the injection molding apparatus.
    Type: Grant
    Filed: December 6, 1984
    Date of Patent: July 8, 1986
    Assignee: Plastic Specialties and Technologies, Inc.
    Inventors: Richard F. Grossman, Francis W. McKane, Jr.
  • Patent number: 4598105
    Abstract: A rubber composition containing carbon black and a second particulate filler of kaolin, metakaolin, talc, pyrophyllite coal, coke, graphite or metal carbonate filler and a method of making it are disclosed.
    Type: Grant
    Filed: September 17, 1984
    Date of Patent: July 1, 1986
    Assignee: Amoco Corporation
    Inventors: Kenneth E. Weber, Dirk Oberlin
  • Patent number: 4566990
    Abstract: Conductive thermoplastic having high EMI shielding effectiveness comprise a thermoplastic condensation polymer and incorporated therein a synergistic combination of metal flake and conductive metal or metal coated fiber.
    Type: Grant
    Filed: October 25, 1983
    Date of Patent: January 28, 1986
    Assignee: General Electric Company
    Inventors: Nan-I Liu, Roelof van der Meer
  • Patent number: 4564647
    Abstract: A process for producing a polyethylene composition which comprises polymerizing ethylene in the presence of a catalyst comprising (A) a contact treatment product of (a) a high activity catalyst component and (b) a filler, and (B) an organoaluminum compound.This process has no need for a deashing step, i.e., a step to remove the catalyst after polymerization, since the catalyst has a remarkably high activity.In the polyethylene composition produced, the filler is dispersed uniformly and the separation of the filler from the polyethylene is scarcely observed.
    Type: Grant
    Filed: November 8, 1984
    Date of Patent: January 14, 1986
    Assignee: Idemitsu Kosan Company Limited
    Inventors: Hiroshi Hayashi, Koichi Matono, Satoshi Asahi, Michitake Uoi
  • Patent number: 4551487
    Abstract: A catalyst introduced into the filament of a carbon fiber to enhance thermal oxidation thereby ensuring complete combustion of the fiber along with its matrix in composites in an unanticipated or deliberate incineration.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: November 5, 1985
    Assignee: The Aerospace Corporation
    Inventors: Camille A. Gaulin, Howard A. Katzman
  • Patent number: 4524160
    Abstract: A directly moldable resin composition for a composite plastic is disclosed, which comprises a predetermined amount of a mixture of pellets of a thermoplastic synthetic resin having an average size of 2.0 mm or larger and particles of a thermoplastic resin having an average size in a predetermined range, or particles of a thermoplastic resin alone having an average size of below 900 microns, and the balance of at least one filler such as particulate inorganic fillers or fibrous fillers. The particles of a thermoplastic resin should preferably be contained in an amount equal to or higher than 100% by volume of the at least one filler. When determined by a suspending tensile failure method at a tension speed of 2 mm/cm.sup.2, a particulate filler should preferably have an adhesion force in the range of below 4 g/cm.sup.2. Greater amounts of the mixture or the particles of thermoplastic resins can be used when the filler is treated on the surface thereof with organic compounds with a H.L.B.
    Type: Grant
    Filed: January 27, 1984
    Date of Patent: June 18, 1985
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Nobuhisa Maeda, Tadashi Sakairi, Tamotsu Wakahata
  • Patent number: 4517320
    Abstract: Stoving lacquer coatings containing 0.001 to 30% by weight of one or more organic pigments or polymer-soluble dyes, and 0.001 to 30% by weight, relative to the dry lacquer coating, are suitable for obtaining metallic effects of high purity.
    Type: Grant
    Filed: August 8, 1983
    Date of Patent: May 14, 1985
    Assignee: Ciba-Geigy Corporation
    Inventors: Fridolin Babler, Adolf Weissmuller
  • Patent number: 4503171
    Abstract: Graphite particularly suitable for compounding with perfluoroelastomers having grafted thereto reactive sites having a fluorinated aromatic ring. The perfluoroelastomer blends exhibit markedly improved tensile strength while retaining the outstanding thermal and chemical stability of the perfluoroelastomers.
    Type: Grant
    Filed: January 11, 1984
    Date of Patent: March 5, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Charles W. Stewart
  • Patent number: 4489129
    Abstract: Reinforcements such as, for example, carbon fibers, are coated with a poly(arylene sulfide). The poly(arylene sulfide) is cured in place on the reinforcement. The reinforcement can be used in compositions such as, for example, poly(arylene sulfide) compositions.
    Type: Grant
    Filed: July 22, 1982
    Date of Patent: December 18, 1984
    Assignee: Phillips Petroleum Company
    Inventors: Robert S. Shue, Faber B. Jones
  • Patent number: 4481322
    Abstract: Integrally blended additives, consisting of a ternary mixture of gamma methacryloxypropyl trimethoxysilane, trimethylolpropane triacrylate and a siloxaneoxyalkylene block copolymer, in the absence of dicumyl peroxide do not consistently improve the mechanical properties of mica filled polyolefins. This is especially true under "low shear" melt processing conditions e.g. employing a conventional screw design in a single barrel extruder. However, when the ternary mixture is combined with a small amount of dicumyl peroxide (neat or dissolved in vinyltrialkoxy silane) there is a consistent improvement in composite mechanical properties above that of the composites containing the ternary mixture alone and in comparison to mica filled polyolefin composites without any additive or composites containing the peroxide alone. Furthermore, thermal aging tensile strength retention is improved in mica filled polypropylene composites containing the ternary mixture combined with dicumyl peroxide.
    Type: Grant
    Filed: March 30, 1983
    Date of Patent: November 6, 1984
    Assignee: Union Carbide Corporation
    Inventors: Robert E. Godlewski, Frederick D. Osterholtz
  • Patent number: 4477608
    Abstract: Compositions containing high-molecular, organic material which can be processed into moulded products, 0.001 to 3.0% by weight of graphite, relative to the high-molecular, organic material, and one or more pigments or polymer-soluble dyes, are suitable for producing moulded products.
    Type: Grant
    Filed: August 8, 1983
    Date of Patent: October 16, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Fridolin Babler, Adolf Weissmuller
  • Patent number: 4473672
    Abstract: A polymer composite is produced by polymerizing an olefine monomer in the presence of a catalyst system obtained by treating a filler material with (a) an organic magnesium compound which contains halogen or (b) an organic magnesium compound and thereafter with a halogen-containing compound; and then with a transition metal compound, which is preferably titanium tetrachloride, adding an organic metal activator compound and continuing the polymerization to obtain a composite containing desired proportions of polymer and filler. The filler may be carbon, an aluminosilicate such as mica or talc, or glass-fibre. Homogeneous composites, in respect of the distribution of filler in various size fractions, can be obtained. Composites having good flow characteristics may be obtained. The composites may be formed directly into shaped articles by suitable shaping techniques. Alternatively, the composite may be blended with a polymeric material.
    Type: Grant
    Filed: March 29, 1982
    Date of Patent: September 25, 1984
    Assignee: Imperial Chemical Industries PLC
    Inventor: Martin Bottrill
  • Patent number: 4422992
    Abstract: An extruder process for blending carbon fiber and tetrafluoroethylene copolymer resins, and laminates from the product of the process.
    Type: Grant
    Filed: February 12, 1982
    Date of Patent: December 27, 1983
    Assignee: E. I. Du Pont de Nemours & Company
    Inventor: Rudolph H. Michel
  • Patent number: 4409342
    Abstract: A reinforced, filled hydrocarbon polymer composition, having increased strength and ductility, contains synergistic mixtures of at least two copolymerizable interfacial agents including an adsorbable agent and a soluble agent.
    Type: Grant
    Filed: August 27, 1981
    Date of Patent: October 11, 1983
    Assignee: Union Carbide Corporation
    Inventors: Fred H. Ancker, Arnold C. Ashcraft, Jr., Eric R. Wagner, deceased, by Maria M. Wagner, executrix
  • Patent number: 4394467
    Abstract: Carbon fibers are provided which bear an improved finish coating upon the surface which is capable of withstanding the high temperatures (e.g., above 500.degree. F.) commonly encountered during the formation of composite structures employing a polyimide matrix. The sized carbon fibers prior to the curing to form a rigid polyimide coating are flexible, may be readily handled without significant damage, and are amenable to good impregnation with the matrix resin thereby facilitating the formation of quality composite structures. The finish comprises a mixture of selected precursors for the formation of a rigid polyimide (as described). More specifically, the size composition is formed from at least one aromatic diamine, at least one aromatic dianhydride, and at least one aromatic tetracarboxylic acid diester.
    Type: Grant
    Filed: June 22, 1981
    Date of Patent: July 19, 1983
    Assignee: Celanese Corporation
    Inventor: Robert Edelman
  • Patent number: 4385136
    Abstract: A reinforced, filled thermoplastic polymer composition, having increased strength and ductility, contains a reinforcement promoter having at least two reactive olefinic double bonds and a positive promoter index, based on the double bond resonance and polarity, and the promoter adsorptivity.
    Type: Grant
    Filed: August 27, 1981
    Date of Patent: May 24, 1983
    Assignee: Union Carbide Corporation
    Inventors: Fred H. Ancker, Arnold C. Ashcraft, Jr., Martin S. Leung, Audrey Y. Ku
  • Patent number: 4362569
    Abstract: Sulfided carbonaceous materials suitable for reinforcing such diene rubbers as styrene-butadiene rubber and natural rubber include carbon, sulfided iron dispersed in, intimately associated with and at least partially bonded to the carbon, and hydrogen.
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: December 7, 1982
    Assignee: TRW Inc.
    Inventor: Jon W. Martin
  • Patent number: 4351746
    Abstract: A dielectric composition is disclosed having three separate phases, one electrically conductive, combined to yield a compound dispersion with high dielectric constant and low dissipation factor. The composition is made into a film and the film is used in electrical capacitors.
    Type: Grant
    Filed: July 25, 1980
    Date of Patent: September 28, 1982
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Darrell J. Parish, Robert S. Mallouk
  • Patent number: 4338181
    Abstract: This disclosure is directed to a process for extracting PTFE-wetting agent from PTFE particles containing small amounts of wetting agent in admixture with carbon particles comprising contacting said mixture with an organic liquid medium capable of extracting said wetting agent, and electrodes containing such extracted mixes. Also disclosed is a process for forming an electrode layer by depositing a soluble salt on a filter medium, depositing electrode layer material on said salt consolidating said electrode material and thereafter dissolving said salt.
    Type: Grant
    Filed: October 31, 1980
    Date of Patent: July 6, 1982
    Assignee: Diamond Shamrock Corporation
    Inventor: Frank Solomon
  • Patent number: 4333977
    Abstract: A wear-resistant and chemically-inert article made from a sintered mixture of polytetrafluoroethylene, graphite fibers, and fluorinated graphite.
    Type: Grant
    Filed: August 27, 1980
    Date of Patent: June 8, 1982
    Assignee: Waters Associates, Inc.
    Inventors: Louis Abrahams, Thomas P. J. Izod
  • Patent number: RE31992
    Abstract: A reinforced, filled thermoplastic polymer composition, having increased strength and ductility, contains a reinforcement promoter having at least two reactive olefinic double bonds and a positive promoter index, based on the double bond resonance and polarity, and the promoter adsorptivity.
    Type: Grant
    Filed: November 29, 1983
    Date of Patent: September 24, 1985
    Assignee: Union Carbide Corporation
    Inventors: Fred H. Ancker, Arnold C. Ashcraft, Jr., Martin S. Leung, Audrey Y. Ku