Wax, Oil, Asphalt, Or Bitumen Containing Coating Patents (Class 427/442)
  • Patent number: 11731903
    Abstract: The present invention is directed to water-swellable, radiation curable compositions suitable for use in coating water-blocking fibers, such as optical fibers. The present invention is further directed to fibers, including optical fibers, which are coated with water-swellable exterior coatings that are configured to buckle and detach from the associated fiber to facilitate superior performance in longitudinal water-blocking testing. Also claimed and described are methods of applying such water-swellable coatings to optical fiber coatings. Further claimed and described are buffered bundles of fibers including at least one optical fiber that is coated with a water-swellable, radiation curable coating to ensure superior longitudinal water blocking performance.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: August 22, 2023
    Assignee: Covestro (Netherlands) B.V.
    Inventors: Huimin Cao, Kangtai Ren, Mark Pepels, Johan Franz Gradus Antonius Jansen
  • Patent number: 10093803
    Abstract: A sulfur-extended plastomer asphalt binder composition useful for water proofing, damp proofing and roofing applications includes elemental sulfur, a plastomer and an asphalt binder. The sulfur-extended plastomer asphalt binder composition can be applied to the surface of a protected member such that the sulfur-extended plastomer asphalt binder composition contacts, adheres to and forms a layer upon the surface of the protected member. The asphalt binder composition is applied at a temperature no greater than 150° C.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: October 9, 2018
    Assignees: Saudi Arabian Oil Company, King Fahd University of Petroleum and Minerals
    Inventors: Mohammed Al-Mehthel, Hamad I. Al-Abdul Wahhab, Saleh H. Al-Idi, Ibnelwaleed A. Hussein
  • Patent number: 7989019
    Abstract: A method for administering passivator to a conductor in a power transformer, comprising providing a reservoir of the passivator, wherein the reservoir is provided by adding the passivator to solid insulation prior to impregnating the solid insulation with oil, and wherein the passivator is added to the solid insulation as the solid insulation is applied to a conductor.
    Type: Grant
    Filed: May 2, 2005
    Date of Patent: August 2, 2011
    Assignee: ABB Technology Ltd.
    Inventor: Uno Gäfvert
  • Patent number: 7964069
    Abstract: A device for galvanic coating of a piston has a pot-shaped interior for accommodating the piston and an electrolyte fluid, a holder device for fixing the piston in place, a cover that is structured like a shutter and leaves only the surfaces of the piston that are to be coated uncovered, a first electrical contact that is connected with an anode and with the plus pole of a direct voltage source, and a second electrical contact that connects the piston with the minus pole of a direct voltage source. The piston can be simply and quickly attached to the holder device, since the holder device is in plate shape, and has an oblong centering device, the length of which corresponds to the radial inside diameter of the piston to be coated so that the piston can be pushed onto the centering device by way of its underside.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: June 21, 2011
    Assignee: MAHLE International GmbH
    Inventors: Rudolf Bergmann, Kurt Nikolei
  • Patent number: 7846372
    Abstract: The present invention provides a method of making a candle from a vegetable oil-based candle wax that provides a smooth, solid vegetable oil-based candle having fully integrated color and fragrance.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: December 7, 2010
    Assignee: SoyBasics, LLC
    Inventors: Donald James Njus, Jon Nicolaisen
  • Patent number: 7419704
    Abstract: The invention is a coating and a method for applying coatings to fiber reinforced composite materials. A first polymeric layer, free of fibers and particulate, coats a fiber reinforced polymer substrate. The first layer joins the fiber reinforced polymer substrate to a second polymeric layer. The second polymeric layer contains a polymeric matrix and a particulate within the polymeric matrix. Finally, at least one thermally sprayed material coats the second polymeric layer to form an adherent multi-layer coating attached to the fiber reinforced.
    Type: Grant
    Filed: August 18, 2005
    Date of Patent: September 2, 2008
    Assignee: Praxair S. T. Technology, Inc.
    Inventors: Richard Kent Passman, David A. McPherson
  • Patent number: 6908676
    Abstract: A transmission belt comprising a belt body and a cord. The belt body is made of a rubber composition. The cord is comprised of poly-p-phenylene benzobisoxazole fiber. The cord is embedded in the belt body. The belt body and the cord are formed into an integral whole by vulcanizing the rubber composition. The surface of the cord is subjected to a primary treatment involving coating a mixture of an epoxy compound and latex and heat treating, and a secondary treatment involving coating a resorcinol-formalin-latex adhesive and heat treating.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: June 21, 2005
    Assignee: Unitta Company
    Inventors: Hiroshi Sogabe, Shigehiro Isshiki, Hiroyuki Yamamoto
  • Patent number: 6780468
    Abstract: A string binder is disclosed which is useful for making reinforcing articles for use in the manufacture of molded composite articles. The string binder, in one embodiment, comprises a fibrous carrier substrate material covered with a solidified coating comprising a binder resin material having an acid value of less than about 30 mg KOH/g of resin. Additionally, the coating may include a catalyst applied as a separate layer or in combination with the binder resin material. The string binder may be co-roved with one or more ends of a separate fibrous reinforcing material to make a product suitable for use in various molding applications.
    Type: Grant
    Filed: June 11, 2003
    Date of Patent: August 24, 2004
    Assignee: Owens Corning Fiberglas Technology, Inc.
    Inventors: Jay Joseph Beckman, Diane Marie Hulett, William Gerard Hager
  • Patent number: 6503306
    Abstract: Composition for impregnating porous materials, in which the composition contains at lease one component having preservative properties or which release a component having preservative properties on heating, the composition comprising an emulsion of water and oil containing a primary surfactant and an amphoteric additive, the pH of the emulsion being equal or approximately equal to the iso-electric point of the amphoteric additive. The compositions of the invention are particularly useful in the preservation of timber.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: January 7, 2003
    Assignee: Monash University Act 1958
    Inventor: John Bernard Watkins
  • Patent number: 6486119
    Abstract: A rinse-added fabric conditioning composition comprising a starch having a gelatinization temperature of less than 150 degrees C. and a method of imparting crispness properties to fabrics treated with same.
    Type: Grant
    Filed: May 25, 1999
    Date of Patent: November 26, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Gregory Bruce Huntington, Kakumanu Pramod, Royal D. Collins
  • Patent number: 6464764
    Abstract: Solvent-free coating materials and treating agents used as water-based wood or material protective agents containing emulsifiable binding agents, quaternary ammonium compounds and optional additional active agents. The wood or material protective agents are non-flammable and enable a uniform distribution of the binding agent and the quaternary ammonium compounds in the substrates. As a result, the quaternary ammonium compounds function as a dissolving mediator for the binding agents which are dispersed in water without opacifying effects and are used as a biocide. The agents can additionally absorb water-insoluble organic biocides without impairing the homogeneity or stability of the formulation of the homogeneity of the distribution in the substrate.
    Type: Grant
    Filed: October 4, 2000
    Date of Patent: October 15, 2002
    Assignee: Lonza AG
    Inventors: Florian Lichtenberg, Hans-Norbert Marx
  • Patent number: 6348243
    Abstract: A cork stopper for a wine bottle or the like is coated with, for example, silicone rubber to prevent impurities in the cork from contaminating the contents of the bottle. The coating may be applied by dipping or immersion preferably with ultrasonic agitation to improve penetration of the coating material into the cork pores. Prior to coating, the corks may be soaked in a solvent to leach out taint compounds from the surface of the cork, thereby reducing the likelihood of such compounds concentrating on the coating surface.
    Type: Grant
    Filed: June 29, 1998
    Date of Patent: February 19, 2002
    Inventors: Jess P Fuller, David B Orr, Steven J Watkins
  • Patent number: 6335058
    Abstract: A method of manufacturing a finished product from a length of a lignocellulosic material, such as a length of solid wood or chip board, includes the steps of impregnating the length of lignocellulosic material through its depth with an impregnating composition comprising a mineral oil, a non-aqueous solvent for the material oil such as dichloromethane or super critical carbon dioxide, and a thermosetting resin and, if necessary, a catalyst therefore dissolved in the mineral oil and solvent. Thereafter, the non-aqueous solvent is removed and the product is subjected to an elevated temperature to polymerize the thermosetting resin to bind the mineral oil into the lignocellulosic material.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: January 1, 2002
    Assignee: Windsor Technologies Limited
    Inventor: Michael Windsor Symons
  • Patent number: 6251481
    Abstract: A device for making decorative candles which have varied shapes and colors of wax throughout in an heated water bath and an apparatus utilizing said device comprised of multiple heated sources of melted wax suspended above an open topped waterproof box, having one side lined with a water proof gasket through which a waterproof sleeve communicates to a base plate upon which the candle is formed by moving the plate in three dimensions within the water bath and collecting thereon the colored wax, supplied to the top of the water by a heated tube means from selected sources of melted colored wax, as it sinks and cools in the water. The rate of cooling of the wax is controlled by the temperature of the water bath. The water borne wax is built up around a core candle or around a wick, stretched from the center of the plate to an arm, extending to the center of the plate from a rod extending from one edge of the plate to a selected height above the plate.
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: June 26, 2001
    Inventor: David A. Elmore
  • Patent number: 5817369
    Abstract: The invention provides a method of preparing a supersaturated solution of an inorganic solute in an aqueous solvent, to such solutions and to a method of treating wood by impregnating it with such solutions. The method of preparing the solution involves mixing an aqueous solvent and salt solute together with an organic dopant comprising an emulsifier and an oil or wax, so that the eventual solution comprises an aqueous phase in which the solute is dissolved, the proportions of the constituents being selected so that the aqueous phase is a supersaturated solution of the inorganic salt solute in the solvent.
    Type: Grant
    Filed: September 9, 1996
    Date of Patent: October 6, 1998
    Assignee: CSIR and Rekara Mills (Proprietary) Limited
    Inventors: Wilhelm Eduard Conradie, Philip Turner, Frederick Willem Greeff
  • Patent number: 5792518
    Abstract: The present invention relates to a pipe treatment process that is a portable, field-applied, coating process. The process produces a two-layer composite protective coating system with a finished, seamless, chemical bond within its interlayers as well as to adjacent coating materials, The process is suitable for both metailic and concrete substrates, which may or may not be cathoadically protected, and may be used to either coat now or to recoat e.g.
    Type: Grant
    Filed: October 8, 1996
    Date of Patent: August 11, 1998
    Inventors: Mark Gibson, Kenneth Fogh
  • Patent number: 5783258
    Abstract: A method for treating lumber using a treatment composition having white mineral oil. The lumber is submerged in the treatment composition at atmospheric pressure or at an elevated pressure. The white mineral oil replaces moisture removed from the lumber, and thus lubricates the cell structure of the wood. The method is particularly well suited to the treatment of wood flooring blocks, since the white mineral oil is non-toxic and does not pose health or environmental hazards. A fungicide may be added to the treatment composition to inhibit the formation of mold.
    Type: Grant
    Filed: March 6, 1997
    Date of Patent: July 21, 1998
    Inventor: Ronald T. Garapick
  • Patent number: 5756159
    Abstract: A water absorptive composition comprising, a fibrous substrate impregnated with a water absorptive, water insoluble polymer, wherein the polymer is intertwined and interlocked with fibers of the fibrous substrate, and the composition has high water absorbing capacity, a method of making thereof, and a cable, more particularly a fiber optic cable, made therewith.
    Type: Grant
    Filed: March 24, 1997
    Date of Patent: May 26, 1998
    Assignee: Interface, Inc.
    Inventors: Martin G. Hoskins, Connie Hensler
  • Patent number: 4950329
    Abstract: A wood preservative composition comprises a wood preservative such as a chromated copper arsenate-oil emulsion or an ammoniacal copper arsenate emulsion having about 0.1 to 15 percent chromated copper arsenate, ammoniacal copper arsenate, or ammoniacal copper zinc arsenate, about 1 to 20 percent oil and about 0.3 to 2.5 percent (based on total final emulsion) surfactant material. The first surfactant preferably has a hydrophilic lipophilic balance of about 7 to 9.5 and a second surfactant has a hydrophilic lipophilic balance of about 15 to 20. It is preferred that the first surfactant have an ethoxyl mole ratio less than about 5 and that the second surfactant have a mole ratio greater than about 15. The surfactant material may be composed of a first surfactant having an average mole ratio of about 1 to 5 and a second surfactant having an average mole ratio of about 20 to 100. The composition is storage stable for extended periods and provides a number of beneficial properties for wood products.
    Type: Grant
    Filed: October 11, 1988
    Date of Patent: August 21, 1990
    Assignee: Hickson Corporation
    Inventors: Craig R. McIntyre, Eugene A. Pasek
  • Patent number: 4859509
    Abstract: Textile warp sizing compositions and hydrophobic starch derivatives useful therefor are provided. The compositions strengthen and protect warp yarns as well as render textile lubricants uniformly dispersible thereon. The compositions additionally facilitate efficient lubricant removal during desizing. The hydrophobic starch derivatives contain an ether, simple ester of half-acid ester substituent with a saturated or unsaturated hydrocarbon chain of at least 5 carbon atoms.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: August 22, 1989
    Assignee: National Starch and Chemical Corporation
    Inventors: Michael J. Hasuly, Peter T. Trzasko
  • Patent number: 4856405
    Abstract: A means and method for flavored wood reeds for woodwind instruments wherein a natural cane woodwind reed contains a non-toxic absorbable edible flavoring to give a pleasant taste to the reed. A method of imparting the flavoring to the reed includes saturating the pores of the cane with the flavoring.
    Type: Grant
    Filed: August 13, 1987
    Date of Patent: August 15, 1989
    Inventor: Sean P. Humphrey
  • Patent number: 4826714
    Abstract: The medium and liners of a water resistant containerboard are each essentially completely impregnated by a liquid water resistant agent which also uniformly coats the surfaces of the medium and liners with a layer sufficiently thick to cover the outer extremities of fibers protruding from such surfaces.The coating and impregnation is accomplished by feeding a flat untreated corrugated containerboard in the direction of its open flutes and in a continuous movement into and out of a hot melt bath of the water resistant agent at a controlled speed sufficient to force the liquid agent through the flutes of the containerboard, so as to assure exposure of all surface portions of the board to the hot melt for the same amount of time at the same temperature conditions.
    Type: Grant
    Filed: May 3, 1988
    Date of Patent: May 2, 1989
    Assignee: Richard D. King
    Inventor: Gary R. King
  • Patent number: 4778696
    Abstract: The medium and liners of a water resistant containerboard are each essentially completely impregnated by a liquid water resistant agent which also uniformly coats the surfaces of the medium and liners with a layer sufficiently thick to cover the outer extremities of fibers protruding from such surfaces.The coating and impregnation is accomplished by feeding a flat untreated corrugated containerboard in the direction of its open flutes and in a continuous movement into and out of a hot melt bath of the water resistant agent at a controlled speed sufficient to force the liquid agent through the flutes of the containerboard, so as to assure exposure of all surface portions of the board to the hot melt for the same amount of time at the same temperature conditions.
    Type: Grant
    Filed: June 19, 1987
    Date of Patent: October 18, 1988
    Assignee: Richard King
    Inventor: Gary R. King
  • Patent number: 4668536
    Abstract: Apparatus for applying a coating of paraffin wax to sheets of corrugated paperboard. The sheets are fed in a generally horizontal attitude through a bath of molten wax disposed in an elongated tank. Chain belt conveyors provide upper and lower flights to hold the sheets as they are passed through the bath.
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: May 26, 1987
    Assignee: Eagle-Picher Industries, Inc.
    Inventors: Eston B. Goodell, Bruce L. Dinda
  • Patent number: 4490413
    Abstract: A method for producing a painting using a flotation process in which a floating elongate member is placed in a shallow pan of water and one or more oil based litho inks having different viscosities are placed on the surface of the water within the closed shape of the elongate member. Using an external force such as an air stream, the litho ink is formed into a desired pattern on the surface of the water and it is allowed to float undisturbed by external forces for a time lapse of about six to fourteen hours to form a textured pattern having finer and more textured paint globules than when the paint was first blown into a desired pattern. The paint pattern is lifted off of the surface of the water and onto a flexible sheet, and after the paint is at least partially dried, artists non-oil base ink is applied to the flexible sheet within the closed shape of the painting to areas of the sheet on which paint is not present.
    Type: Grant
    Filed: February 15, 1984
    Date of Patent: December 25, 1984
    Inventor: Frank P. Stimson
  • Patent number: 4464424
    Abstract: A method for preparing a concrete joint sealant plate, comprising the steps of impregnating asphalt emulsion into fibrous plate under a reduced pressure and then drying it by means of a heating presser; and a concrete joint sealant plate produced therefrom.
    Type: Grant
    Filed: December 22, 1981
    Date of Patent: August 7, 1984
    Assignee: Aoi Chemical, Inc.
    Inventors: Hazime Niwa, Saburo Furukawa
  • Patent number: 4392927
    Abstract: A composite electrode comprising an electroconductive base with an electrolyte inert, electroconductive electrocatalytic layer applied by thermal spraying, the said layer being a powder of a matrix material selected from the group consisting of oxides, nitrides, phosphides, silicides, borides and carbides of a metal selected from the group consisting of boron, valve metals and iron group metals having uniformly deposited thereon electrocatalytically active particles of a metal selected from the group consisting of platinum group metals and iron group metals and oxides thereof with a particle size smaller by at least one order of magnitude of the matrix particles and electrolytic cells containing the same and electrolytic processes using the same.
    Type: Grant
    Filed: February 18, 1982
    Date of Patent: July 12, 1983
    Assignee: Heraeus Elektroden GmbH
    Inventors: Peter Fabian, Theo Muller
  • Patent number: 4282127
    Abstract: This invention relates to a bitumen-based composition comprising a ternary mixture of (a) 52-78 wt % bitumen, (b) 20-40 wt % polyolefin and (c) 2-8 wt % of a butadiene-styrene copolymer.Said composition is useful alone for sealing purposes as a melt or a solution, and is also useful for the production of composite sealing sheets.
    Type: Grant
    Filed: September 11, 1979
    Date of Patent: August 4, 1981
    Inventor: Henri F. M. Desgouilles
  • Patent number: 4107375
    Abstract: A bulky asphalt-impregnated sheet comprising a base material of a bulky sheet of non-woven fabric which is uniformly and completely saturated with asphalt on the surface layers of the front and rear sides of said base material, said surface layers having of different properties from each other. A method and a system for manufacturing such bulky sheet comprises preparing the base material of non-woven fabric uniformly and completely saturated with asphalt, scraping off the asphalt from the surface of said base material and then applying a material of a different property onto the scraped surface.
    Type: Grant
    Filed: May 4, 1976
    Date of Patent: August 15, 1978
    Assignee: Mitsuboshi Sangyo Co., Ltd.
    Inventors: Hajime Iwasaki, Yasuo Tomita
  • Patent number: 4096295
    Abstract: A plurality of articles such as sheets or lenses are simultaneously and uniformly coated by first placing them in vertical spaced relationship with respect to each other within a tank having a quantity of fluid coating material therein. The coating material flows across the surfaces to be coated. Thereafter, the sheets are lifted out of the tank into an elongated chamber above the tank in which they are spun about their vertical axes. Excess coating material is thus driven off the surfaces to be coated. Means to recover, clean, replenish and remove bubbles from the coating material are disclosed.
    Type: Grant
    Filed: April 5, 1976
    Date of Patent: June 20, 1978
    Inventor: Alvin M. Marks
  • Patent number: 4079158
    Abstract: The disclosure describes asphalt saturated felt building materials, optionally having a mineral filled asphalt base coating thereon, in which the asphalt saturating the felt and/or the asphalt in any mineral filled coating is a blend of 10-55% sulfur dispersed in the asphalt. The materials are used in the conventional manner as roofing felt, roofing shingles, and in built-up roofing, to obtain improved fire resistance.
    Type: Grant
    Filed: October 7, 1975
    Date of Patent: March 14, 1978
    Assignee: Gulf Oil Canada Limited
    Inventors: Gerhard J. A. Kennepohl, Laverne J. Miller, David C. Bean
  • Patent number: 4065591
    Abstract: Disclosed is a pitch impregnant composition comprising coal tar pitch, oxidized, or unoxidized petroleum pitch with stearic acid, and particulated metallic pigments including copper, aluminum, steel, silver, iron, tin, nickel and zinc metals and copper-zinc alloys. The process comprises forcing the molten impregnant composition into the surface of the porous article preferably by imposing pressure on the impregnant composition while the article to be treated is immersed therein. Articles so treated exhibit a metallic surface appearance.
    Type: Grant
    Filed: January 16, 1976
    Date of Patent: December 27, 1977
    Assignee: Ashland Oil, Inc.
    Inventor: Charles R. Gannon
  • Patent number: 4051282
    Abstract: Production of treated wood with improved penetrability by projectiles is accomplished in an improved pressure treatment with an improved treating solution. The wood is impregnated in a pressure treatment process with a treating solution containing an impregnant, an aliphatic hydrocarbon or halogenated hydrocarbon liquid carrier, a cosolvent if the solubility of the impregnant in the liquid carrier is inadequate, and an effective amount of lubricating oil. After the treating solution has impregnated the wood, the liquid carrier is evaporated leaving treated wood containing an impregnant with internal lubrication due to the oil and possibly some cosolvent.
    Type: Grant
    Filed: June 14, 1976
    Date of Patent: September 27, 1977
    Assignee: Koppers Company, Inc.
    Inventor: Dan L. Davies
  • Patent number: 4035544
    Abstract: An asphalt roofing which comprises a base material of a bulky non-woven fabric made of filaments of synthetic fibres intertwined with each other and an asphalt with which said base material is uniformly and completely saturated and which also covers both sides of said base material. The non-woven fabric has a substantial thickness, such as 4-5mm, and is produced by the well-known needle-punching process. This base material is saturated with and covered by the single kind of asphalt. A method of making same comprises feeding said non-woven fabric along a vertical path into a bath of molten asphalt, thereby permitting the air contained within the fabric to successively escape vertically through the fabric itself into the atmosphere while permitting the fabric to be uniformly and completely saturated with said molten asphalt, and then withdrawing said fabric from the molten asphalt into the atmosphere and drying the same.
    Type: Grant
    Filed: September 11, 1975
    Date of Patent: July 12, 1977
    Assignee: Mitsuboshi Sangyo Kabushiki Kaisha
    Inventors: Hajime Iwasaki, Yasuo Tomita
  • Patent number: 3962509
    Abstract: Waterproof corrugated paperboard and other paper constructions and a process for producing such waterproof paperboard by impregnating paperboard with a mixture containing from about 10 to about 50 weight percent tung oil and from about 90 to about 50 weight percent paraffin wax and curing the impregnated paper at a temperature from about 80.degree.C to about 163.degree.C.
    Type: Grant
    Filed: December 24, 1974
    Date of Patent: June 8, 1976
    Assignee: Continental Oil Company
    Inventor: Charles E. Thompson
  • Patent number: 3953628
    Abstract: Disclosed is a pitch impregnant composition comprising coal tar pitch, oxidized, or unoxidized petroleum pitch with stearic acid, and particulated metallic pigments including copper, aluminum, steel, silver, iron, tin, nickel and zinc metals and copper-zinc alloys. The process comprises forcing the molten impregnant composition into the surface of the porous article preferably by imposing pressure on the impregnant composition while the article to be treated is immersed therein. Articles so treated exhibit a metallic surface appearance.
    Type: Grant
    Filed: August 22, 1973
    Date of Patent: April 27, 1976
    Assignee: Ashland Oil, Inc.
    Inventor: Charles R. Gannon
  • Patent number: 3949136
    Abstract: New fluorine-containing organopolysiloxanes are provided which are obtained by reaction in known manner of organopolysiloxanes which contain hydrogen atoms bonded to silicon, a perfluoroalkyl compound for the formulaR.sub.f -- SO.sub.2 -- NH -- CH.sub.2 -- CH = CH.sub.2wherein R.sub.f represents perfluoroalkyl with 6 to 14 carbon atoms, and optionally a fluorine-free vinyl monomer. These new addition products are useful as oil- and water repellents for fibrous textile materials.
    Type: Grant
    Filed: March 24, 1975
    Date of Patent: April 6, 1976
    Assignee: Ciba-Geigy AG
    Inventors: Hans Deiner, Franz Mosch, Bernhard Sandner, Willy Bernheim