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| Number | Title | Issue Date |
| 4743350 | Electrolytic cell An electrolytic membrane cell for the electrochemical production of an alkali metal hydrosulfite by the reduction of an alkali metal biosulfite component of a circulated aqueous catholyte solution is provided. The cell utilizes an improved extended surfac... | 05/10/1988 |
| 4740287 | Multilayer electrode electrolytic cell An improved multiple layered porous electrode for use in an electrochemical membrane cell is provided having a first perforated support layer, a second layer of fibers, a third layer of fibers less dense than the second layer and a fourth layer of meshed ... | 04/26/1988 |
| 4736087 | Plasma stripper with multiple contact point cathode An improved plasma stripping apparatus with external electrodes is provided wherein the cathode has multiple small area contact points adjacent and in close proximity to or uniformly touching the reactor chamber to cause areas of high r.f. field densities... | 04/05/1988 |
| 4728454 | Rapidly dissolving granular hydrated calcium hypochlorite A rapidly dissolving granular hydrated calcium hypochlorite product is comprised of hydrated calcium hypochlorite particles having at least 95 percent of the particles within a size range of from about 300 to about 850 microns. The product has a packed bu... | 03/01/1988 |
| 4725684 | Synthesis of urea cyanurate A process for producing urea cyanurate which comprises reacting an aqueous solution of urea with cyanuric acid at a temperature below the melting point of urea provides reaction conditions which minimize urea decomposition and are energy efficient. The ur... | 02/16/1988 |
| 4724005 | Liquid carbon black dispersion A process for electroplating a conductive metal layer to the surface of a non-conductive material which comprises: (a) preparing a liquid dispersion of carbon black comprised of: (1) carbon black particles having an average particle diameter of less than about... | 02/09/1988 |
| 4720377 | Method for producing nitrous oxide by reacting ammonia with a molten nitrate salt of an alkaline earth metal This invention relates generally to a method for producing nitrous oxide, and more specifically, to a method of producing nitrous oxide by reacting ammonia with at least one molten nitrate salt of an alkaline earth metal.... | 01/19/1988 |
| 4718993 | Process for preparing the through hole walls of a printed wiring board for electroplating An improvement to the process for electroplating the walls of through holes in a laminated printed wiring board which comprises: (a) contacting said printed wiring board with an aqueous alkaline silicate solution, followed by; (b) contacting said printed wirin... | 01/12/1988 |
| 4714534 | Electrolytic halogenator device Disclosed is an electrolytic cell used to produce dilute quantities of a halogen solution from water containing dilute quantities of salt to disinfect and sanitize the water, the cell further employs monopolar electrodes of trapezoidal shape and an electr... | 12/22/1987 |
| 4711836 | Development of positive-working photoresist compositions Disclosed is an aqueous developing solution containing a quaternary ammonium hydroxide developing agent, and as an additive an effective amount of a select compound which is either 1,3,5-trihydroxy benzene, 4-methylesculetin or a novolak-type resin. The a... | 12/08/1987 |
| 4708292 | Foam dispensing gun with improved mixing chamber In a plural component foam dispensing apparatus there is provided an easily removable and replaceable combination nozzle-mixing chamber that is formed of a low friction, slightly deformable material with a first front contact surface against which is appl... | 11/24/1987 |
| 4706985 | Alpine ski with selective reinforcement In an alpine snow ski having a fiberglass sandwich construction there is provided at least one high strength fiber reinforcing rod positioned generally horizontally within the ski's cross-section extending forwardly from the binding area to the shovel con... | 11/17/1987 |
| 4705696 | Method of making a lithographic printing plate, printing plates made by the method, and the use of such printing plates to make lithographic prints An electrostatic charge is selectively applied to the anodized surface of an anodized aluminum plate in a predetermined pattern corresponding to the image to be printed, a liquid toner is applied to the charged portions of the anodized surface and the ton... | 11/10/1987 |
| 4700967 | Asymmetric alpine ski with offset boot platform In an alpine snow ski there is provided an asymmetric design in which the inside edge of the ski has a large sidecut with a short radius of curvature such that the centerline of a skier's foot when positioned in mounting plates on top of the ski is betwee... | 10/20/1987 |
| 4699931 | Oxazolidone-modified isocyanurate foams and a composition and method for their production Oxazolidone-containing isocyanurate foams characterized by thermal stability at a temperature of about 140° C. or higher. These foams are produced by reacting at least one polyisocyanate with at least one polyepoxide in the presence of catalyst, surfacta... | 10/13/1987 |
| 4699932 | Halogenated-hydrocarbon blown, open-cell, polyurethane foam and a composition and method for the fabrication thereof The present invention relates generally to open-cell polyurethane foams and, more specifically, to such foams which are halogenated-hydrocarbon blown and are essentially urea-free, together with a composition and method for the fabrication thereof.... | 10/13/1987 |
| 4695359 | Filter press membrane electrolytic cell with diffusion bonded electrode elements and elastomeric frames An electrolytic cell is provided with electrodes which are inserted within electrode frames with internal flow conduits and which are formed by metallurgical bonding, and the use of adhesives and an electrical resistance lowering conductive compound betwe... | 09/22/1987 |
| 4695596 | Stable, low viscosity polymer/polyisocyanate dispersion A stable, low viscosity polymer/polyisocyanate dispersion wherein the polymer is produced by polymerizing an ethylenically unsaturated macromolecular monomer with another ethylenically unsaturated monomer, together with a polyurethane foam, elastomer, adh... | 09/22/1987 |
| 4688821 | Asymmetric alpine ski with offset boot platform In an alpine snow ski there is provided an asymmetric design in which the inside edge of the ski has a large sidecut with a short radius of curvature such that the centerline of a skier's foot when positioned in mounting plates on top of the ski is betwee... | 08/25/1987 |
| 4689057 | Chemical drum dehumidifying breather A drum dehumidifying breather for a liquid chemical container including a desiccant cannister having a top wall, a cylindrical transparent side wall, and a removable bottom wall; the cannister containing a desiccant material; the cylindrical side wall having a... | 08/25/1987 |
| 4689209 | Method for producing nitrous oxide by reacting ammonia with a molten nitrate salt This invention relates generally to a method for producing nitrous oxide, and more specifically, to a method for producing nitrous oxide by reacting ammonia with at least one molten nitrate salt.... | 08/25/1987 |
| 4687558 | High current density cell A filter press membrane electrolytic cell having at least one cathode and one anode sandwiched about a permselective ion exchange membrane which employs a cathode having a first layer and a second layer cooperative with the membrane such that the voltage ... | 08/18/1987 |
| 4684560 | Printed wiring board having carbon black-coated through holes A process for electroplating a conductive metal layer to the surface of a non-conductive material which comprises: (a) preparing a liquid dispersion of carbon black comprised of: (1) carbon black particles having an average particle diameter of less than about... | 08/04/1987 |
| 4681677 | Water processor having automatic shutoff and bypass means A water treatment or processor device for household use or commercial use (for example, in a restaurant) is provided with fail-safe features in accordance with this invention to shut the treatment device "off" when an element thereof has become ineffectiv... | 07/21/1987 |
| 4679814 | Randomly oriented reinforcing fibers in a snow ski In a downhill snow ski there is provided at least one torsional reinforcing layer intermediate to the top and the bottom running surface and generally parallel thereto formed from fibers of high elastic modulus which are randomly oriented in a matrix mate... | 07/14/1987 |
| 4671855 | Paper sizing and composition and method A paper sized with a 2-nitrobenzene sulfonate is disclosed.... | 06/09/1987 |
| 4663444 | Non-ionic carbohydrate based surfactants The present invention provides non-ionic carbohydrate based ethers having surfactant and other valuable properties of the formula: ##STR1## wherein: R is substituted or unsubstituted alkyl, aryl or aralkyl group containing 1-20 carbon atoms, and R | 05/05/1987 |
| 4661431 | Method of imaging resist patterns of high resolution on the surface of a conductor An electrostatic latent image in a desired pattern is formed on an electrostatically imageable surface and toned with a liquid toner to form a toner image on the surface. The toner image is then transferred while still wet to a transfer sheet and then to ... | 04/28/1987 |
| 4656271 | Process for producing cyanuric acid from urea hydrohalides A process for producing cyanuric acid which comprises feeding a urea hydrohalide compound to a pyrolysis zone. The urea hydrohalide compound is pyrolyzed to produce a solid reaction mixture of cyanuric acid and an ammonium halide. The solid reaction mixtu... | 04/07/1987 |
| 4654234 | Polyurethane foam for cleaning and germicidal applications A flexible non-reticulated foam pad having on a surface thereof a polyurethane coating consisting essentially of a cured isocyanate-terminated prepolymer, the penetration of the prepolymer coating being no more than about 50 percent of the thickness of th... | 03/31/1987 |
| 4650745 | Method of forming a resist pattern by radiation exposure of positive-working resist coating comprising a dye and a trihydroxybenzophenone compound and subsequent aqueous alkaline development Disclosed is a positive-working resist composition which demonstrates improved photospeed and rate of development. The resist composition contains a solvent and select proportions of a novolak resin, a naphthoquinone diazide sensitizer, a dye which absorb... | 03/17/1987 |
| 4643881 | Swimming pool chemical dispenser A pool chemical dispenser is provided that comprises a rotatably adjustable top, a container and a ballast disk cooperative with the top such that the specific gravity of the material of the top and the container is less than 1.0 and the specific gravity ... | 02/17/1987 |
| 4639718 | Boiler blowdown monitoring system and process for practicing same A boiler blowdown monitoring system wherein the conductivity of the water in the boiler blowdown line is monitored to determine if it exceeds either a preset maximum or minimum level. The system includes a blowdown sensor, a blowdown valve, a blowdown con... | 01/27/1987 |
| 4639009 | Snow ski with elastomeric sidewalls An alpine ski with flexible impact absorbing edges and elastomeric sidewalls is provided to enable the bottom edges to follow the contour of the ground by moving therealong and absorbing the unevenness of the ground.... | 01/27/1987 |
| 4632881 | Pyrithione-containing bioactive polymers and their use in paint and wood perservative products Disclosed is a bioactive polymer comprising an effective biocidal amount of moieties derived from pyrithione and having the formula ##STR1## wherein R1, R2 and R3 are individually selected from hydrogen and alkyl grou... | 12/30/1986 |
| 4631117 | Electroless plating process A process for electroless plating a conductive metal layer to the surface of a non-conductive material which comprises: (a) preparing a liquid dispersion of carbon black comprised of: (1) carbon black particles having an average particle diameter of less than ... | 12/23/1986 |
| 4631530 | Chemical process monitor A chemical process monitoring system wherein both a chemical process parameter control means (e.g. standard water treatment controller) and the means for adjusting the controlled process parameter (e.g. chemical feed pump) are simultaneously monitored thr... | 12/23/1986 |
| 4629768 | Thermally stable polyurethane elastomers containing glycoside polyols and a method of producing them The use of glycoside polyols together with diol or triol-initiated polyols in the production of polyurethane elastomers provides elastomers which are thermally stable at temperatures of 140° F. or higher. These polyurethane elastomers are useful as therm... | 12/16/1986 |
| 4626492 | Positive-working o-quinone diazide photoresist composition containing a dye and a trihydroxybenzophenone compound Disclosed is a positive-working resist composition which demonstrates improved photospeed and rate of development. The resist composition contains a solvent and select proportions of a novolak resin, a naphthoquinone diazide sensitizer, a dye which absorb... | 12/02/1986 |
| 4622107 | Process for preparing the through hole walls of a printed wiring board for electroplating In the process for electroplating the walls of through holes in a laminated printed wiring board comprised of at least one non-conducting layer laminated to at least two separate conductive metal layers, which comprises the steps: (a) contacting said prin... | 11/11/1986 |
