Inorganic Nonreactive Material Patents (Class 524/566)
  • Patent number: 4822721
    Abstract: Halogen-containing polyacrylate derivatives having the formula: ##STR1## wherein A is a structural unit derived from a copolymeriazable monomer having a double bond; R is ##STR2## wherein each of R.sub.1 and R.sub.2 is a hydrogen atom or a fluorinated methyl group, provided R.sub.1 and R.sub.2 are not hydrogen atoms at the same time, and R.sub.3 is a hydrogen atom or a lower alkyl group; X is a halogen atom or a methyl group; and m is a positive integer, n is 0 or a positive integer, and n/m from 0 to 2, preferably from 0 to 1 are disclosed.Also disclosed are methods for forming a resist pattern by using the halogen-containing polyacrylate derivatives as a resist material.
    Type: Grant
    Filed: November 23, 1987
    Date of Patent: April 18, 1989
    Assignee: Toyo Soda Manufacturing Co., Ltd.
    Inventors: Yoshitaka Tsutsumi, Toru Seita, Hideo Shuyama, Kousaburou Matsumura, Kyoko Nakazawa
  • Patent number: 4753976
    Abstract: The rubber composition without formulating a carbon black filler has a remarkably low Mooney viscosity and still is capable of giving a rubber vulcanizate having excellent mechanical properties. The rubber composition comprises, in addition to natural rubber or a diene-based synthetic rubber and a non-carbon inorganic filler, a specific poly(dialkoxysiloxane) terminated at each molecular chain end with a polysulfide linkage-containing group of the formula (RO).sub.3 Si--R.sup.1 --S.sub.x -- R.sup.1 --bonded to the terminal silicon atom, in which R is an alkyl group, e.g. methyl and ethyl, R.sup.1 is a divalent hydrocarbon group, e.g. --CH.sub.2 CH.sub.2 CH.sub.2 13 , and x is a positive integer of 2 to 6 or, typically, 4.
    Type: Grant
    Filed: August 22, 1986
    Date of Patent: June 28, 1988
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Hiroshi Yoshioka, Ichiro Ono, Hitoshi Uehara
  • Patent number: 4740546
    Abstract: An aqueous dispersion of a vinyl copolymer resin is prepared by polymerizing 1 to 15 parts by weight of a polyoxyethylene-containing hydrophilic polymerizable vinyl monomer of which polyoxyethylene moiety has an average molecular weight of 2,000 to 10,000, 99 to 85 parts by weight of at least one specific polymerizable vinyl monomer and 0 to 5 parts by weight of alpha, beta-unsaturated carboxylic acids, salts thereof or anhydrides thereof in an organic solvent, and dispersing the resulting vinyl copolymer resin solution in water.
    Type: Grant
    Filed: June 5, 1987
    Date of Patent: April 26, 1988
    Assignee: Dainippon Ink and Chemicals, Inc.
    Inventors: Tsuyoshi Masuda, Zengo Ninomiya
  • Patent number: 4722954
    Abstract: A solid flexible polymeric material is formed by solidifying a water-based latex which contains an inorganic filler. The filler is sand and this may be stabilized in the latex with xanthan gum. The solid material may be a formed or non-foamed layer which may be used as integral carpet backing, as carpet underlay, or as an adhesive for bonding a reinforcing fabric to the back of carpeting.
    Type: Grant
    Filed: February 12, 1986
    Date of Patent: February 2, 1988
    Inventor: Gerald Hallworth
  • Patent number: 4683261
    Abstract: An acrylonitrile polymer film comprising at least 85 wt. % of acrylonitrile, wherein the difference in the value of the second moment of the broad-line NMR spectrum at 20.degree. C. between the film and the starting polymer powder thereof, or the polymer powder formed by dissolving the film and then precipitating the polymer from the solution, is at least 0.3 Gauss.sup.2 and the infrared dichroic ratio of the nitrile groups satisfies the requirements that 0.4<Ax/Az<0.8, 0.4<Ay/Az<0.8, and 0.8<Ax/Ay<1.25, where Ax and Ay are the absorption intensities of polarized infrared rays oscillating in respective directions parallel to the surface of the film and perpendicular to each other, and Az is the absorption intensity of polarized infrared rays oscillating in the direction perpendicular to the film surface.
    Type: Grant
    Filed: May 5, 1986
    Date of Patent: July 28, 1987
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Akio Inoue, Tsuneaki Tanabe
  • Patent number: 4677153
    Abstract: A method for modifying a rubber having unsaturated bonds, characterized by reacting said rubber with (a) an organic compound (I) having a group represented by the formula --CH.dbd.N-- and (b) an organic acid halide (II) having a group represented by the formula --COX (X is a halogen atom), in the place of a Lewis acid.
    Type: Grant
    Filed: March 25, 1986
    Date of Patent: June 30, 1987
    Assignee: Nippon Zeon Co., Ltd.
    Inventors: Shizuo Kitahara, Yoshitsugu Hirokawa, Toshihiro Fujii
  • Patent number: 4631309
    Abstract: Equipment for the exploration and/or production of petroleum and natural gas having elastomeric components have high resistance to materials encountered if the elastomeric components are shaped from a hydrogenated butadiene-acrylonitrile copolymer with a residual double bond content less than 1% and unhydrogenated nitrile groups.
    Type: Grant
    Filed: December 6, 1984
    Date of Patent: December 23, 1986
    Assignee: Bayer Aktiengesellschaft
    Inventors: Joachim Thormer, Friedrich Leibbrandt, Zsolt Szentivanyi, Hartmuth Buding
  • Patent number: 4622351
    Abstract: The physical properties of a rubber-reinforced polymer resin are enhanced by the addition of glass fibers having a diameter which is less than 20 times greater than the volume average particle size of the disperse rubber particles in the reinforced polymer resin.
    Type: Grant
    Filed: February 15, 1985
    Date of Patent: November 11, 1986
    Assignee: The Dow Chemical Company
    Inventor: Dinh P. Van
  • Patent number: 4594366
    Abstract: Connected branch polyols comprising a core segment having a defined molecular weight, one core branch unit directly connected to each end of the core segment, at least one additional branch unit at each end connected directly or indirectly to each core branch unit, and linear polymer segments connected to the branch units are utilized in preparing a wide spectrum of polymer/polyols characterized by superior dispersion stability and viscosity to solids content relationship, the polymer/polyols in turn being employed to prepare polyurethanes having superior performance in flame retardancy tests.
    Type: Grant
    Filed: December 7, 1984
    Date of Patent: June 10, 1986
    Assignee: Union Carbide Corporation
    Inventors: Glenn A. Taylor, Kenneth L. Hoy
  • Patent number: 4587283
    Abstract: Cement slurries for deep holes, with a content of copolymers which are composed of 5-95% by weight of groups of the formula ##STR1## in which R.sub.1 is hydrogen or methyl,R.sub.2 is C.sub.2 -C.sub.10 -alkylene andMe is ammonium, lithium, sodium or potassium, of 5-60% by weight of groups of the formula ##STR2## in which R.sub.3 is hydrogen, --CH.sub.3 or C.sub.2 H.sub.5 andR.sub.4 is --CH.sub.3 or C.sub.2 H.sub.5, orR.sub.3 and R.sub.4 together are a propylene group which, with incorporation of the radical ##STR3## forms a pyrrolidone radical, and of 0-90% by weight of groups of the formula ##STR4## in which R.sub.6 is hydrogen or methyl andR.sub.7 is carboxamido, carboxyl, cyano or carbomethoxy.These copolymers reduce the water loss of cement slurries which are required for deep holes.
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: May 6, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Martin Hille, Wolfgang Friede, Heinz Wittkus, Friedrich Engelhardt, Ulrich Riegel
  • 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: 4530954
    Abstract: The present invention provides a water-based lime dispersion paint comprising a binder, a pulverulent, and one or more adjuvants. The binder comprises a film-forming copolymer of an alkyl acrylate monomer and a nonionic ethylenic monomer. The copolymer is dispersed in an aqueous medium and the dispersion is stable at a basic pH. The nonionic ethylenic monomer is capable of forming a homopolymer having a glass transition temperature in the range of 70.degree. C. to 170.degree. C. The pulverulent material comprises one or more pigments and airy slaked lime having a low hydraulicity index. The adjuvants are stable at a basic pH and include D-sorbitol as a stabilizer.
    Type: Grant
    Filed: January 18, 1984
    Date of Patent: July 23, 1985
    Assignee: Rhone-Poulenc Specialties Chimiques
    Inventor: Rene Arpin
  • Patent number: 4524170
    Abstract: An industrial fabric having a plain woven fabric in which the warp and weft are textured, continuous filament, polyester yarns.
    Type: Grant
    Filed: September 13, 1983
    Date of Patent: June 18, 1985
    Assignee: Milliken Research Corporation
    Inventors: Charles N. Berczi, Karen Hall
  • Patent number: 4524174
    Abstract: The resistance of structural elastomer products, such as bearing blocks, to compressive forces is reduced by incorporating therein a plurality of small, separate, reinforcing elements of relatively hard material. Such materials include crushed rock, concrete, glass or certain slags and small metal pieces. The reinforcing elements are congregated in an interior section or core which is covered by a marginal section substantially free from reinforcing elements.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: June 18, 1985
    Assignee: Watson Bowman Associates
    Inventor: Stewart C. Watson
  • Patent number: 4522958
    Abstract: Disclosed is an essentially solvent-based, organic, high-solids coating composition containing (A) a film-forming binder system containing a crosslinkable resin having a weight average molecular weight of from about 500 to about 10,000; (B) substantially colorless, substantially inorganic microparticles stably dispersed in the coating composition; and (C) a solvent system for the crosslinkable resin. The inorganic microparticles prior to incorporation in the coating composition range in size from about 1 to about 150 nanometers and are in the form of a sol of the microparticles in which carbon-containing molecules are chemically bonded to the inorganic microparticles at the surface of the microparticles.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: June 11, 1985
    Assignee: PPG Industries, Inc.
    Inventors: Suryya K. Das, William G. Boberski, Paul P. Greigger, James E. Jones, Raymond F. Schappert, Jerome A. Seiner
  • Patent number: 4473680
    Abstract: The resistance of structural elastomer products, such as bearing blocks, to compressive forces is reduced by incorporating therein a plurality of small, separate, reinforcing elements of relatively hard material. Such materials include crushed rock, concrete, glass or certain slags and small metal pieces. The reinforcing elements are congregated in an interior section or core which is covered by a marginal section substantially free from reinforcing elements.
    Type: Grant
    Filed: November 30, 1981
    Date of Patent: September 25, 1984
    Assignee: Watson Bowman Associates, Inc.
    Inventor: Stewart C. Watson
  • Patent number: 4463125
    Abstract: Novel rubber compounding ingredients are disclosed. The ingredients, which may be used in a wide variety of rubber compounds having siliceous fillers comprise certain N-substituted melamines which act as silica coupling agents. The melamines bind both to the siliceous filler and to the rubber network to increase the reinforcement effect of the silica. Use of the melamines of the invention reduces the cost of producing the rubber when compared to rubbers containing prior art silica coupling agents.
    Type: Grant
    Filed: August 18, 1982
    Date of Patent: July 31, 1984
    Assignee: The Goodyear Tire & Rubber Company
    Inventor: Frank W. Stuchal
  • Patent number: 4431754
    Abstract: A low viscosity copolymer polyahl dispersion is prepared by polymerizing polymer particles in a polyahl medium, to a first solids concentration and thereafter diluting the dispersion to a second lower solids concentration. The resulting diluted dispersion has a lower viscosity than if the dispersion were prepared directly at the lower solids level. The invention has particular advantage when used with "all acrylonitrile" dispersions. The copolymer polyahl dispersions are useful in the manufacture of urethane and isocyanurate foams.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: February 14, 1984
    Assignee: The Dow Chemical Company
    Inventor: Dwight K. Hoffman
  • Patent number: 4431704
    Abstract: A rubber composition for use in annular packer elements for blowout preventers is provided which comprises from about 45 to about 55 weight percent of an acrylonitrile-butadiene copolymer; from about 10 to about 15 weight percent of a first admixture further comprising a major amount of colloidal silica and minor effective amounts of coupling agent, curative, lubricant, dispersant, activator and antiscorching agent; from about 30 to about 40 weight percent of a second admixture further comprising a major amount of carbon black and minor effective amounts of a plasticizer, antioxidant and antiozonant; and minor effective amounts of tetraethyl thiuram disulfide and benzothiazyl disulfide.
    Type: Grant
    Filed: March 29, 1983
    Date of Patent: February 14, 1984
    Assignee: Regal International, Inc.
    Inventor: Virgil E. Springer
  • Patent number: 4414351
    Abstract: A primer composition for use in the fluidized-bed dip-coating of thermoplastic resin powder, comprising a polymeric compound formed by polymerization of a diene compound, admixed with either magnesium oxide alone or magnesium oxide together with cobalt ion and/or manganese ion.
    Type: Grant
    Filed: November 5, 1980
    Date of Patent: November 8, 1983
    Assignee: Daicel Ltd.
    Inventors: Hajime Suzuki, Ikuo Masuda, Masaki Kosaka
  • Patent number: 4414396
    Abstract: Polyhalophthalimidoalkyl-functional carbonates may be employed as fire retardant additives to polymers. Examples of such carbonates are 2-(tetrabromophthalimido)ethyl 2,4,6-tribromophenyl carbonate, 2-(tetrabromophthalimido)ethyl pentabromophenyl carbonate and bis[2-(tetrabromophthalimido)ethyl] carbonate.Polyhalophthalimidoalkyl haloformates, N-(hydroxyalkyl)-polyhalophthalimides, and 2-(hydroxyalkylcarbamyl)-polyhalobenzoic acids are useful as intermediates in the preparation of the carbonates.
    Type: Grant
    Filed: January 7, 1982
    Date of Patent: November 8, 1983
    Assignee: PPG Industries, Inc.
    Inventor: Nicodemus E. Boyer
  • Patent number: 4401786
    Abstract: The present invention relates to the use of soluble electrolytes as additive to aqueous dispersions of self-dispersible anionically and/or nonionically hydrophilically modified synthetic materials for the purpose of improving the water resistance and/or blocking resistance of sheet products produced from the dispersions.
    Type: Grant
    Filed: January 7, 1980
    Date of Patent: August 30, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Wenzel, Walter Meckel
  • Patent number: 4396740
    Abstract: The addition of aryl methanamines such as m-xylylenediamine to polymer latices which contain residual acrylonitrile monomer is markedly effective in reducing the measurable free acrylonitrile contents of latices.
    Type: Grant
    Filed: May 3, 1982
    Date of Patent: August 2, 1983
    Assignee: Borg-Warner Chemicals, Inc.
    Inventor: Mary E. Wozny
  • Patent number: 4395444
    Abstract: An improved cationic thermosetting latex, coating compositions prepared therefrom, articles coated therewith, and the process for preparing the same are disclosed. Compositions of the instant latices formulated with isocyanate curing agents display improved cure; the improvement residing in selection of surfactants, with particular reference to their gegen-ions, which are used therein.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: July 26, 1983
    Assignee: PPG Industries, Inc.
    Inventors: Suryya K. Das, Charles M. Kania
  • Patent number: 4394488
    Abstract: A process is provided for the production of a mixture of butadiene-acrylonitrile polymer and zinc peroxide which comprises (i) reacting an agitated aqueous mixture of French Process zinc oxide, sulphuric acid and hydrogen peroxide to form an aqueous slurry of a mixture of zinc peroxide and zinc oxide, and (ii) mixing with said slurry a latex of a butadiene-acrylonitrile polymer, followed by coagulating the mixture and recovering and drying the product.
    Type: Grant
    Filed: July 20, 1982
    Date of Patent: July 19, 1983
    Assignee: Polysar Limited
    Inventors: Chan J. Kim, Ahti A. Koski
  • Patent number: 4390648
    Abstract: In a rubbery composition in which a silica containing material is utilized as a reinforcing agent, the hysteresis of the rubbery composition is improved by incorporating the silica containing material into the rubbery composition in the form of zinc modified silica. The zinc modified silica provides an improved reinforcing agent which improves the hysteresis of the rubbery composition when the rubbery composition containing the zinc modified silica is cured.
    Type: Grant
    Filed: June 11, 1980
    Date of Patent: June 28, 1983
    Assignee: Phillips Petroleum Company
    Inventor: Carl J. Stacy
  • Patent number: 4386185
    Abstract: Silica-reinforced rubber compositions are prepared employing a mercaptan-substituted phosphonate as a coupling agent. Preparation and use of the mercaptan-substituted phosphonate coupling agent is illustrated using dimethyl 3-mercaptopropylphosphonate and a butadiene/styrene emulsion polymerized copolymer reinforced with a precipitated hydrated silica.
    Type: Grant
    Filed: November 5, 1981
    Date of Patent: May 31, 1983
    Assignee: Phillips Petroleum Company
    Inventors: Gary D. Macdonell, Carl J. Stacy
  • Patent number: 4380601
    Abstract: A cationic thermosetting latex, coating compositions prepared therefrom, and the process for providing a protective coating are disclosed. The thermosetting latex comprises a blocked isocyanate curing agent and a cationic acrylic latex which is prepared by copolymerizing ethylenically unsaturated monomers, at least one of which contains an active hydrogen group, in an acidic medium in the presence of a cationic surfactant, of which the gegen-ion is derived from certain phosphorous-containing acids. Such latices, when formulated into coating compositions, provide corrosion-resistant coatings.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: April 19, 1983
    Assignee: PPG Industries, Inc.
    Inventors: David A. Welsh, Rostyslaw Dowbenko, Suryya K. Das, Charles M. Kania, Roger M. Christenson
  • Patent number: 4374223
    Abstract: An elastic covering for closing off a nozzle outlet area containing at least one nozzle orifice of an ink printing head filled with an aqueous liquid comprising a polar elastomer, a hydrophilic additive, and at least one ingredient selected from the group consisting of cross-linking agents, activators, and accelerators.
    Type: Grant
    Filed: April 18, 1980
    Date of Patent: February 15, 1983
    Assignees: Olympia Werke AG, Licentia Patent-Verwaltungs-GmbH
    Inventors: Cornelis Van Raamsdonk, Johann Wartusch
  • Patent number: 4371655
    Abstract: Polymer compositions are disclosed that contain finely-divided additives of sulfate glasses and sulfate glass-ceramic materials comprised of potassium sulfate and zinc sulfate as smoke retardant additives. Glass sulfates and glass-ceramic materials comprised of potassium sulfate, zinc sulfate and sodium sulfate produce results superior to those obtained using the potassium sulfate-zinc sulfate binary system. The inclusion of a transition metal sulfate as a component of the sulfate glass or sulfate glass-ceramic material also produces superior results over those resulting from use of the potassium sulfate-zinc sulfate binary glasses and glass-ceramic materials.
    Type: Grant
    Filed: December 30, 1981
    Date of Patent: February 1, 1983
    Assignee: The B. F. Goodrich Company
    Inventor: William J. Kroenke
  • Patent number: 4366284
    Abstract: The disclosed water stopper and water stopping process use an aqueously-swelling water-stopping composition consisting of 10 to 40 weight % of rubber whose main ingredient is reclaimed rubber, 10 to 20 weight % of silicic compound, 10 to 60 weight % of bentonite, and 10 to 40 weight % of plasticizer. The aforesaid water-stopping composition may be extruded into an elongated water stopper with or without a core therein, which water stopper can be inserted into a joint gap or other gap of structural members to stop water at the gap.
    Type: Grant
    Filed: January 21, 1981
    Date of Patent: December 28, 1982
    Assignee: Hayakawa Rubber Company Limited
    Inventors: Yoshinobu Ishido, Hideo Tanaka
  • Patent number: 4362832
    Abstract: A molding composition is comprised of (i) a thermoplastic polymer, (ii) glass fibers and (iii) a bis-maleimide, and is useful for the fabrication of a variety of shaped articles, especially for the automotive industry [e.g., radiators, battery casings, fans, etc.].
    Type: Grant
    Filed: May 29, 1981
    Date of Patent: December 7, 1982
    Assignee: Rhone-Poulenc Industries
    Inventor: Jean-Louis Locatelli
  • Patent number: 4322329
    Abstract: The present invention relates to a process for forming a polymeric solution or gel having a viscosity of less than about 50,000 cps which includes the steps of forming a solvent system of an organic liquid and a polar cosolvent, the polar cosolvent being less than about 15 wt. % of the solvent system, a viscosity of the solvent system being less than about 1,000 cps: dissolving a neutralized sulfonated polymer in the solvent system to form a solution, a concentration of the neutralized sulfonated polymer in the solution being about 0.5 to about 20 wt. %, a viscosity of the solution being about 5 to about 5,000 cps; and adding about 1 to about 500 vol. % water to the solution having a viscosity less than about 5,000 cps, the water being immiscible with the solution and the polar cosolvent transferring from the solution phase to the water phase thereby causing the viscosity of said solution to increase by a factor of at least 2 to less than 50,000 cps.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: March 30, 1982
    Assignee: Exxon Research & Engineering Co.
    Inventors: Robert D. Lundberg, Dennis E. O'Brien, Henry S. Makowski, deceased, Robert R. Klein
  • Patent number: 4321176
    Abstract: A method of forming a latex coating composition is disclosed in which there is first formed an aqueous emulsion of liquid droplets of water-insoluble polyol, such as a propylene oxide adduct of bisphenol. A, with the aid of a surfactant, and monoethylenically unsaturated monomers to be copolymerized are incorporated in the polyol emulsion while conditions of elevated temperature and catalysis are maintained to cause polymerization of said monomers in association with said polyol. The polyol is used in an amount of about 1% to about 25%, based on the weight of the materials which are copolymerized, and the monomers desirably include from about 0.5% to about 10% on the same basis of a reactive monomer, such as isobutoxymethyl acrylamide.
    Type: Grant
    Filed: January 10, 1980
    Date of Patent: March 23, 1982
    Assignee: DeSoto, Inc.
    Inventors: Kazys Sekmakas, Raj Shah