Abstract: The present invention relates to a composition comprising an antimicrobial effective amount of a biocide selected from the group consisting of aromatic 2-N-hydroxy-thiourea and N-hydroxy-quinazolinone, and derivatives and combinations thereof, and at least one component selected from the group consisting of soaps, shampoos, skin-care medicaments, cosmetics, plastics and paints. Also disclosed is a novel process for making the biocide.

Abstract: A process for making silver chloride particles having an average particle size of less than about 25 microns comprising:(a) reacting silver metal particles having an average particle size of less than about 25 microns with chlorine gas in a chlorine-stable organic solvent for a sufficient amount of time to convert substantially all of said silver metal particles to silver chloride particles; and(b) recovering said silver chloride particles from said organic solvent.

Abstract: This invention relates to a process for producing a moisture curable silyl-terminated polymer which comprises the steps of: (a) reacting a terminally-unsaturated monol (preferably a polyether or polyester monol) with a polyfunctional hydroxyl-reactive compound selected from the group consisting of polyisocyanates and organic polacyl compounds in a molar ratio of one mole of monol for each equivalent of functionality on said polyfunctional hydroxyl-reactive moiety, to provide a terminally-unsaturated polymer having terminal unsaturation at each end thereof; and (b) reacting said terminally-unsaturated polymer with a dialkoxyalkylsilane to form a dialkoxyalkylsilylterminated polymer capable of curing upon contact with moisture.

Abstract: The present invention relates generally to paints and paint bases, and, more specifically to a process and composition for providing a stable gel-free dispersion of zinc pyrithione plus cuprous oxide biocide in paint. In accordance with the process of the present invention, the paint or paint base contains an amine treated wood rosin in order to impart desired gelation-inhibition to the paint.

Abstract: This invention relates to a multi-step process for isolating a cyclotrimerized isocyanate from mixture containing said cyclotrimerized isocyanate plus an isocyanate oligomer which comprises the steps of: (a) contacting said mixture with a liquid solvent to provide a solvent-containing mixture, (b) extracting said solvent-containing mixture by liquid-liquid extraction to cause said solvent-containing mixture to elute into an extractate and a residue, wherein said extractate is a cyclotrimerized isocyanate that is essentially oligomer-free and is further characterized by having reduced viscosity relative to said solvent-containing mixture, and (c) separating uncyclotrimerized monomer from said extractate to provide a reduced viscosity trimer product that is essentially free of monomer. Also disclosed is the reduced-viscosity product produced by this process.

Abstract: An aqueous solution of chloric acid and alkali metal chlorate is produced in an electrolytic cell having an anode compartment, a cathode compartment, and at least one ion exchange compartment between the anode compartment and the cathode compartment. The process comprises feeding an aqueous solution of an alkali metal chlorate to the ion exchange compartment, electrolyzing an anolyte in the anode compartment to generate hydrogen ions, passing the hydrogen ions from the anode compartment through a cation exchange membrane into the ion exchange compartment to displace alkali metal ions and produce an aqueous solution of chloric acid and alkali metal chlorate, passing alkali metal ions from the ion exchange compartment into the cathode compartment, removing the aqueous solution of chloric acid and alkali metal chlorate from the ion exchange compartment, and reacting the aqueous solution of chloric acid and alkali metal chlorate with a strong acid having a dissociation constant of 1.times.10.sup.

Abstract: A process for the removal of mercury from industrial waste streams is disclosed wherein the waste stream is a nitrate based solution that has been decomposed by the addition of hypochlorite. The method involves adding a reducing agent to reduce the hypochlorite and/or adjusting the pH by the use of a strong acid to less than about 2.0, converting any residual chlorine to a soluble unreactive salt, adding a soluble precipitating agent, such as sodium sulfide, to the solution in a ratio to the mercury present of greater than 1:1 to about 2:1 to precipitate out the mercury as a mercury compound. The solution is then filtered to remove the precipitated mercury compound.

Abstract: A porous, high surface area electrode comprising a fine fibrous conductive substrate having a density less than about 50% and a specific surface area to volume ratio of greater than about 30 cm.sup.2 /cm.sup.3. The individual fibers of the substrate have a length to diameter aspect ratio greater than 1000:1. An electrocatalyst covers at least a portion of the substrate. A current distributor is electrically connected to the coated substrate. The method of fabricating the electrode includes fabricating a fine fibrous conductive substrate, preparing the surface of the substrate for receiving an electrocatalyst covering thereon, preparing the electrocatalyst for application to the substrate and applying the electrocatalyst to the substrate. Optionally, the electrode may be further treated to promote adhesion of the electrocatalyst to the substrate.

Abstract: Machinable alpha beta brass having a reduced lead concentration is claimed. The alloy contains bismuth to improve machinability. Either a portion of the zinc is replaced with aluminum, silicon or tin, or a portion of the copper is replaced with iron, nickel or manganese.

Abstract: An improved color printing method and the apparatus for employing the method are provided for continuously superimposing a plurality of separate color toner images onto a common conductive intermediate transfer belt from a plurality of developing drums across a liquid filled gap to form a single full color image. The separate colors have masters mounted to the developing drums and the superimposed full color image is contact transferred with the aid of heat and pressure from the conductive intermediate transfer belt to the final receiving paper substrate after all of the liquid has been removed from the superimposed full color image.

Abstract: There is provided a sealing glass composite which has a desired coefficient of thermal expansion. The composite is made up of a glass matrix having a first coefficient of thermal expansion and a substantially spherical particulate additive with a second coefficient of thermal expansion dispersed within the matrix. Use of a substantially spherical particulate additive having a reduced surface area as compared to other shaped particulate additive minimizes the reaction between the additive and the glass matrix. The spherical particles also provide better flow at high loading factors and improved fracture toughness.

Abstract: Poly(dianhydride) compounds having formulae (I) and (II): ##STR1## where m is 0 to 50. ##STR2## wherein n is 0 to 20 and X is bond junction, oxygen atom, sulfur atom, SO.sub.2, C(CF.sub.3), CO, C(CH.sub.3).sub.2, CF.sub.2 --O--CF.sub.2, CH.sub.2, and CHOH.

Abstract: A compound selected from the group consisting of 3,5-diphenyl- and substituted 3,5-diphenyl-1-hydroxy-1,2-dihydroimidazole-2-thiones, and combinations thereof. Also disclosed is a process for producing the compound and an antimicrobial composition comprising the compound and at least one component selected from the group consisting of soaps, shampoos, skin care medicaments, cosmetics and paints.

Abstract: The present invention relates to a composition comprising a antimicrobially effective amount of a combination of an pyrithione and a lipopeptide antibiotic. Also disclosed is an aqueous industrial functional fluid comprising an aqueous base fluid medium and an antimicrobially effective amount of a combination of a pyrithione and a lipopeptide antibiotic. Also disclosed is a process for providing biocidal activity to an aqueous industrial functional fluid which comprises incorporating into said fluid an antimicrobially-effective amount of a combination of a pyrithione and a lipopeptide antibiotic.

Abstract: A bipolar water ionizing electrode and a process employing such an electrode in an electrodialytic cell are disclosed. The cell has a plurality of ion exchange compartments separated by cation permselective membranes and the bipolar water ionizing electrode. The bipolar electrode is permeable to gas and electric current and impervious to liquid.

Abstract: A process for the separation of a mixture of zinc and manganese oxides by adding the mixture to a chloric acid solution whereby the chloric acid solution oxidizes solid manganese oxide to solid manganese dioxide and causes the zinc oxide to dissolve into soluble zinc ions. The solid manganese dioxide is then separated from the chloric acid solution containing zinc ions.

Abstract: A modular automatic refill system using a plurality of individual microprocessor controlled modules to control a plurality of liquid chemical temperature controllers is provided wherein replenishing liquid chemical is automatically supplied from a chemical bulk supply unit to a plurality of bubbler ampules in the corresponding liquid chemical temperature controllers based on sensed level depths in a manner that avoids contamination of the replenishing chemical and permits separate and independent operation of the individual microprocessor controlled modules.

Abstract: A cartridge assembly for propelling a subcaliber penetrator through a gun tube which has a portion of the propellant charge contained in an annular cavity surrounding the sabot is disclosed. The annular cavity is defined by the scoop shaped front bourrelet, the aft bourrelet which has three radially extending support posts and bore riding shoes, and a combustible tubular case extension over the aft bourrelet extending forward to the front bourrelet. The assembly includes cartridge case having a multistrand ignition system having a plurality of flexible combustible ignition strand. The strands extend through the propellant charge in the case and extend between the posts of the aft bourrelet into the annular cavity to simultaneously ignite the propellant charge contained therein with the portion of the charge in the cartridge case.

Abstract: A cartridge assembly for propelling a subcaliber penetrator through a gun tube which has a portion of the propellant charge contained in an annular cavity surrounding the sabot is disclosed. The annular cavity is defined by the scoop shaped front bourrelet, the aft bourrelet which has three radially extending support posts and bore riding shoes, and a combustible tubular case extension over the aft bourrelet extending forward to the front bourrelet. The assembly includes cartridge case having a multistrand ignition system having a plurality of flexible combustible ignition strand. The strands extend through the propellant charge in the case and extend between the posts of the aft bourrelet into the annular cavity to simultaneously ignite the propellant charge contained therein with the portion of the charge in the cartridge case.

Abstract: A cartridge assembly for propelling a subcaliber penetrator through a gun tube which has a portion of the propellant charge contained in an annular cavity surrounding the sabot is disclosed. The annular cavity is defined by the scoop shaped front bourrelet, the aft bourrelet which has three radially extending support posts and bore riding shoes, and a combustible tubular case extension over the aft bourrelet extending forward to the front bourrelet. The assembly includes cartridge case having a multistrand ignition system having a plurality of flexible combustible ignition strand. The strands extend through the propellant charge in the case and extend between the posts of the aft bourrelet into the annular cavity to simultaneously ignite the propellant charge contained therein with the portion of the charge in the cartridge case.