Patents Examined by Lorenzo B. Hayes
  • Patent number: 4569783
    Abstract: Compositions and methods for chemically scavenging oxygen from an aqueous medium are disclosed. Salicylaldehyde catalyzed by hydroquinone can be used as an oxygen scavenger in any aqueous medium, but is especially well adapted for use in boiler water systems.
    Type: Grant
    Filed: November 1, 1984
    Date of Patent: February 11, 1986
    Assignee: Betz Laboratories, Inc.
    Inventor: John A. Muccitelli
  • Patent number: 4566906
    Abstract: Disclosed is an improved marine anti-fouling coating composition of a thermoplastic binder, an organic solvent, a tin anti-fouling agent, a copper anti-fouling agent, and a water-soluble leaching agent. The improvement in can stability for said coating composition comprises the leaching agent being a water-sensitive, solvent soluble non-cross-linked polymer having an acid number of below about 50 and a .chi. value of between about 0.1 and 0.3; or a water-sensitive, solvent soluble, polymer having an acid number of below about 50 and a .chi. value between about 0.3 and 0.6. The water sensitive solvent insoluble polymer may be a non-cross-linked oligomer or polymer or a cross-linked hydrogel possessing the requisite acid number and .chi. value restriction.
    Type: Grant
    Filed: April 19, 1984
    Date of Patent: January 28, 1986
    Assignee: Chugoku Marine Paints (USA) Inc.
    Inventors: Vincent D. McGinniss, Richard J. Dick
  • Patent number: 4565575
    Abstract: A controller for measuring the concentration of consumable ingredients in a plating solution characterized by the use of a plating poison introduced into the analysate stream to prevent autocatalytic decomposition and deposition of copper onto the walls and sensors of the controller.
    Type: Grant
    Filed: November 2, 1984
    Date of Patent: January 21, 1986
    Assignee: Shiplay Company Inc.
    Inventors: William J. Cardin, Michael Gulla, Charles L. Newton
  • Patent number: 4563952
    Abstract: Lithographic fountain solution concentrates which are combined with water to form improved fountain solutions. The concentrates contain specific quantities of buffer salts resulting in improved printing process characteristics. The buffer salts are the salts of polycarboxylic acids and organic bases such as amines. The use of alcohol in the fountain solutions is eliminated or substantially reduced.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: January 14, 1986
    Assignee: Inmont Corporation
    Inventor: Bernard A. Thiebaut
  • Patent number: 4563217
    Abstract: An electroless copper plating solution comprising cupric ions, complexing agents, a reducing agent, a pH adjustor, a polyoxyethylene series surface active agent, these being conventionally used, and (i) an inorganic compound containing at least Si or Ge, or (ii) a cationic surface active agent, or (iii) an inorganic compound containing at least Si, Ge or V and a cationic surface active agent, can give plated films with excellent mechanical properties even if operated for a long period of time with excellent stability of the plating solution.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: January 7, 1986
    Assignee: Hitachi, Ltd.
    Inventors: Hiroshi Kikuchi, Akira Tomizawa, Hitoshi Oka
  • Patent number: 4563216
    Abstract: Aqueous copper coating compositions, solid compositions for forming the aqueous compositions, and processes for coating the surfaces of ferrous-containing materials by contacting said surfaces with the aqueous copper coating compositions, wherein the aqueous compositions contain:(a) from about 10 to about 30 grams/liter of cupric ions;(b) from about 1 to about 10 grams/liter of chloride ions;(c) from about 0.1 to about 10 grams/liter of at least one aminepolyacetic acid compound; and(d) either(i) from about 0.01 to about 10 grams/liter of acriflavine hydrochloride and from about 0.1 to about 20 grams/liter of a polyalkylene oxide C.sub.12 -C.sub.18 alkyl or alkenyl amine; or(ii) from about 0.1 to about 10 grams/liter of the reaction product of ortho-toluidine and formaldehyde.
    Type: Grant
    Filed: June 15, 1984
    Date of Patent: January 7, 1986
    Assignee: Amchem Products, Inc.
    Inventors: Mark B. Knaster, Carmen M. Carandang
  • Patent number: 4561895
    Abstract: The present invention relates to a non-abrasive metal polish or cleaning agent for objects, particularly household objects and ornaments, having surfaces of copper, silver, or chromium or of any alloy which is comprised of these metals either separately or together. The polish is characterized in that it comprises an aqueous solution containing 1-3% by weight nitric acid and 5-10% by weight thiourea or a derivative thereof.
    Type: Grant
    Filed: November 9, 1983
    Date of Patent: December 31, 1985
    Inventor: Jan-Olof Eriksson
  • Patent number: 4561897
    Abstract: The instant invention is directed to an aqueous stable magnesium hydroxide suspension which is dispersible in oil, comprising a mixture of:(a) a 33 to 60, preferably 50 to 60, percent, by weight, aqueous slurry or paste of magnesium hydroxide; and(b) an alkyl benzene sulfonate emulsifier.The instant invention is also directed to a process for the preparation of an aqueous stable magnesium hydroxide suspension which is dispersible in oil, comprising mixing:(a) a 33 to 60, preferably 50 to 60, percent, by weight, aqueous slurry of magnesium hydroxide; and(b) an alkyl benzene sulfonate emulsifier.The instant invention is also directed to a process for inhibiting corrosion in fuel burning boilers comprising adding to the fuel a corrosion inhibiting amount of an aqueous stable magnesium hydroxide suspension which is dispersible in oil, comprising a mixture of:(a) a 33 to 60 percent, by weight, aqueous slurry or paste of magnesium hydroxide; and(b) an alkyl benzene sulfonate emulsifier.
    Type: Grant
    Filed: August 16, 1984
    Date of Patent: December 31, 1985
    Assignee: Calgon Corporation
    Inventors: John D. Zupanovich, John G. Myers
  • Patent number: 4560410
    Abstract: Described herein is an improved fountain solution suitable for use in a lithographic offset printing press which solution contains a mixture of a polyol and/or glycol ether partially soluble in water and a polyol and/or glycol ether completely soluble in water.
    Type: Grant
    Filed: June 16, 1983
    Date of Patent: December 24, 1985
    Assignee: Union Carbide Corporation
    Inventors: Richard J. Burns, Friso G. Willeboordse, Martin F. Cohen
  • Patent number: 4560482
    Abstract: The present invention consists of treating the surface of a viscous semi-solid oil or water-in-viscous oil emulsion with a chemical dispersant composition that has a viscosity which is sufficiently high that the dispersant will remain in contact with the oil for a time sufficient to disperse it in the water. Thus, in one embodiment of the present invention a chemical dispersant composition for dispersing viscous, almost semi-solid oils in water comprises a dispersing agent and an oil soluble polymer in a ratio whereby said composition has a viscous, sticky, gel-like consistency.
    Type: Grant
    Filed: December 8, 1983
    Date of Patent: December 24, 1985
    Assignee: Exxon Research and Engineering Co.
    Inventor: Gerard P. Canevari
  • Patent number: 4559244
    Abstract: Non-oxide refractory foams, possessing controlled permeability and uniformity, are prepared by impregnating an organic polymer foam material with a fluid, particulate slurry of a first refractory material, drying, applying to the dried, impregnated material a second refractory material which has a lower melting point than the first refractory material and thereafter heating, at a temperature sufficient to cause melt infiltration of the second refractory material into the impregnated material, thus producing inert and dimensionally stable composite refractory foams having broad utility as particulate filters or carriers.
    Type: Grant
    Filed: November 19, 1984
    Date of Patent: December 17, 1985
    Assignee: Kennecott Corporation
    Inventors: Martin R. Kasprzyk, Monika O. TenEyck
  • Patent number: 4557762
    Abstract: An electroless copper plating solution comprising cupric ions, a complexing agent, a reducing agent, a pH adjuster, a perfluoropolyether, a cyanide and/or .alpha.,.alpha.'-dipyridyl and/or 1,10-phenanthroline or a derivative thereof is capable of forming a deposited film with high elongation.
    Type: Grant
    Filed: July 30, 1984
    Date of Patent: December 10, 1985
    Assignee: Hitachi Chemical Company
    Inventors: Akishi Nakaso, Toshiro Okamura, Kiyoshi Yamanoi, Sumiko Nakajima
  • Patent number: 4557850
    Abstract: A composition for absorption refrigeration which comprises a fluorinated hydrocarbon refrigerant, an amide or glycol ether solvent serving as an absorption liquid, and a phosphite stabilizer. The stabilizer is used in an amount of 0.05 to 0.5 wt % of the absorption liquid calculated as phosphorus, within which range the phosphite stabilizer can suitably protect the refrigerant and the absorption liquid from deteriorating and decomposing at high operation temperatures.
    Type: Grant
    Filed: April 7, 1982
    Date of Patent: December 10, 1985
    Assignee: Matsushita Electric Industrial Company, Limited
    Inventors: Eiji Ando, Yoshiki Goto, Kumiko Moriyama, Isao Takeshita, Kunio Hirao
  • Patent number: 4556426
    Abstract: New and improved fungicidal grout compositions are disclosed having a Portland cement base with a halogenated aromatic dinitrile added as an active fungicidal ingredient. The dinitrile is first wet blended with an inert solid fungicidal carrier and a surfactant, then dried and finely divided into a powder. The powder is blended with the other dry ingredients of a Portland cement grout to form a grout composition which is ready to be mixed with water to form a workable mortar for the grouting and setting of ceramic tiles. The resulting fungicidal grout compositions have improved fungicide dispersion and prolonged leach-life characteristics.
    Type: Grant
    Filed: June 5, 1984
    Date of Patent: December 3, 1985
    Assignee: Tile Council of America, Inc.
    Inventors: Joseph J. Chesney, Jr., Scott C. Broney, George A. Ely
  • Patent number: 4556425
    Abstract: Tall oil pitch neutralized with calcium oxide to an acid number between 0 and 7 mg KOH per gram acts as an anti-rust or corrosion preventing agent. The agent may be used most conveniently in solution form. The agent is produced by neutralizing tall oil pitch with an acid number of 20-70 mg KOH per gram with a solution of calcium oxide at elevated temperature to the desired acid number between 0 and 7 mg KOH per gram. Application of this agent to a material normally subject to corrosion acts to prevent corrosion from occurring.
    Type: Grant
    Filed: August 7, 1981
    Date of Patent: December 3, 1985
    Assignee: Ruoste-Esto Oy
    Inventors: Jarl J. Lindberg, Vaino Era, Erkki Strom
  • Patent number: 4556427
    Abstract: Stabilized, aqueous dispersions of humate are disclosed as printing inks. Humate is disclosed as a compatible and functional component in all printing ink formulations.
    Type: Grant
    Filed: December 12, 1983
    Date of Patent: December 3, 1985
    Assignee: Union Camp Corporation
    Inventor: Harry D. Lewis
  • Patent number: 4553941
    Abstract: Acetals and hemiacetals are used as primers for dentin and enamel adhesives.
    Type: Grant
    Filed: October 19, 1984
    Date of Patent: November 19, 1985
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Steven M. Aasen
  • Patent number: 4553940
    Abstract: Visible light curable dental restorations are provided having improved color stability. According to a preferred embodiment, visible light hardenable restorative materials are formulated from a major proportion of inorganic filler and a minor proportion of a resin component comprising a binder resin selected from the group of acrylated polyesters, acrylated polyesters reacted with an isocyanate, and hydroxyalkyl acrylic esters reacted with an isocyanate, polymerizable acrylic diluent monomer in an amount sufficient to control the viscosity of the resin component, and a photosensitizing system comprising of from about 0.05% to about 0.50% by weight of the restorative material of an alpha diketone together with an amine reducing agent. American Dental Association color stability standards are met by these compositions.
    Type: Grant
    Filed: September 18, 1984
    Date of Patent: November 19, 1985
    Assignee: Dentsply Research & Development Corp.
    Inventors: Francis F. Koblitz, Roy L. Smith
  • Patent number: 4552591
    Abstract: There is provided a biocide composition for oil field fluid polymers and oil field water polymers. The composition comprises a biocide adsorbed on the surface of a solid, particulate adsorbent. The composition lessens personal and environmental contamination by spilled or splashed liquid biocides.
    Type: Grant
    Filed: May 15, 1984
    Date of Patent: November 12, 1985
    Assignee: Petrolite Corporation
    Inventor: Scott W. Millar
  • Patent number: 4552906
    Abstract: A dental composition suitable for being polymerized to a dental prosthesis approximately comprising by weight(A) 20 to 50% of a mixture of monofunctional and polyfunctional methacrylic esters and, optionally, other monomers,(B) 20 to 60% of an essentially non-crosslinked polymer homogeneously filled with microfine inorganic filler and based on (meth)acrylic esters and, optionally, other monomers,(C) 0.5 to 25% of a non-crosslinked polymer having a glass transition temperature.ltoreq.0.degree. C. and a molecular weight M.sub.w of 10.sup.3 -5.times.10.sup.5, and(D) 0 to 40% of a finely divided inorganic filler treated with an adhesion promoter.
    Type: Grant
    Filed: April 27, 1984
    Date of Patent: November 12, 1985
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Podszun, Fritjof Bley, Michael Walkowiak