Abstract: The present invention discloses optical recording elements having optical recording layers containing tetra dyes. The dyes have metallized azo dianionic dye with cationic dye counterions. The recording layer has a thickness from 225 to 300 nm.

Abstract: There is disclosed an optical recording media having a transparent substrate; a dye recording layer containing a metal complex of a porphym or phthalocyanine dye on said transparent substrate; a reflective layer provided on said dye layer wherein the reflective layer which is a mixture of silver and gold in such proportions that the gold is between about 0.5 and 15 atomic percent of said mixture; and a protective layer formed over said reflective layer. In accelerated keeping tests, the media of the invention exhibits excellent stability.

Abstract: Metallized azo ether dyes having an azo group linking a substituted 3-hydroxypyridine nucleus to a phenyl nucleus are disclosed. The phenyl nucleus has an ether substituent ortho to the azo group. The phenyl nucleus is free of strong electron withdrawing substituents. The dyes are useful in optical recording elements.

Abstract: A photosensitive photographic element is described which comprises a support having at least one ? hydrophilic silver halide containing layer. On the hydrophilic silver halide containing layers there is an overcoat layer. The overcoat layer comprises a hydrophobic thermoplastic polymer that is present in the form of a porous membrane. The pores of the membrane are occupied by a hydrophilic composition.

Abstract: The present invention concerns a novel multilayer system comprising a diamond layer, and the method of manufacturing this multilayer system.The invention concerns a multilayer system comprising a metallic substrate, an interphase and a diamond layer, the interphase being composed of the product of thermal decomposition of at least one metallocene compound.This multilayer system, capable of being used as an electrode, has improved adhesion between the substrate and the diamond layer.

Abstract: Powders suitable as electographic toner and/or carrier particles and other powders which utilize a liquid dispersant are produced by limited coalescence techniques. The dispersant is removed by mixing the suspension of coalesced droplets with a sufficient amount of an extracting liquid to cause the dispersant to diffuse out of the coalesced droplets into the extracting liquid.

Abstract: An electrically conductive or semi-conductive polymeric material which includes a blend of:(i) a bis[oxydiethylenebis(polycaprolactone)yl]sulfoaryldicarboxylate or a bis[oxydiethylenebis(polycaprolactone)yl]sulfonamidosulfonylaryldicarboxyl ate, and(ii) a complex of a ferric halide and ethylene glycol or an oligoethylene glycol selected from di-, tri-, or tetraethylene glycol,to provide the material with its conductive properties.The material has a resistivity of from about 10.sup.6 to about 5.times.10.sup.11 ohm cm and can be used in the fabrication of biasable transfer members such as, for example, a biasable transfer roll to transfer electrostatographic toner images from a photoconductor to a final support material such as a sheet of paper wherein the member electrically cooperates with the photoconductor to establish a directional force field therebetween.

Abstract: The invention relates to a disinfectant concentrate which contains amine and alcohol wherein the alcohol component includes at least one glycol ether of limited miscibility with water and the amine component includes at least one secondary and/or tertiary alkyl amine free from hydroxyl groups. It also relates to a disinfectant producabile from the disinfectant concentrate, the use of the disinfectant concentrate and of the disinfectant as bactericide, in particular mycobactericide, fungicide or virucide.

Abstract: Thickened aqueous hypochlorite compositions comprises (a) an alkali metal hypochlorite, (b) a tertiary amine oxide with one alkyl group having from 10 to 16 carbon atoms and the two other alkyl groups having from 1 to 3 carbon atoms, (c) an alkali metal salt, (d) a pH stabilizer to bring the pH to a level of 11 or higher, (e) a C.sub.10 -C.sub.16 alkali metal sarcosinate, and (f) C.sub.10 -C.sub.14 straight chain alkyl benzene sulfonate. The molar ratio of (b):(f) is from about 5:1 to about 11:1 and is adjusted so that the viscosity of the composition is between 231 and 402 cps. The compositions are useful for general cleaning purposes, particularly bathrooms and toilet bowls, and also as a laundry additive.

Abstract: There is disclosed a flexible optical recording element comprising a flexible support having thereon, in order, an SbInSn phase-change alloy optical recording layer and an overcoat layer, the overcoat layer being a silicon oxide layer having an index of refraction greater than about 1.8 at about 800 nm wavelength and a thickness of about .lambda./4, where .lambda. is the wavelength at which the element is read. The element of the invention provides for an advantageous optical tape with a well adhered abrasion resistant overcoat which also provides for excellent corrosion resistance.

Abstract: A method for converting .alpha.-phase poly(vinylidene fluoride) to .beta.-phase poly(vinylidene fluoride), for preparing electrostatographic carrier and, electrostatographic developer and carrier. In the method for preparing electrostatographic carrier, uncoated electrostatographic carrier particles are coated with .alpha.-phase poly(vinylidene fluoride) to provide .alpha.-phase poly(vinylidene fluoride) coated carrier particles. A measurable portion of the .alpha.-phase poly(vinylidene fluoride) is then converted to .beta.-phase poly(vinylidene fluoride) by subjecting the .alpha.-phase poly(vinylidene fluoride) to a series of viscoelastic collisions having a total energy of from about 5.times.10.sup.4 to about 5.times.10.sup.5 Joules/kilogram of poly(vinylidene fluoride).

Abstract: Deodorant compositions comprise glycerin monoalkyl ethers of the formula ##STR1## in which R is a branched or unbranched C.sub.6 -C.sub.18 alkyl in combination with other deodorant ingredients. Preferably R is C.sub.8 to C.sub.12 alkyl; more particularly, C.sub.8 alkyl; and most preferably, 2-ethylhexyl.

Abstract: The present invention concerns a method for preparing earth alkaline metal borates.The method comprises the steps of forming a mixture of an earth-alkaline metal alkoxide and a boron alkoxide, of hydrolysing this mixture to form a metal-borate precursor, and then coating the precursor onto a substrate and thermally treating it to form an inorganic film on the substrate.The method is especially useful to prepare beta barium borate layers which can serve in non-linear optical devices to produce second harmonics generation.

Abstract: Aqueous acidic thixotropic hard surface cleaning formulations, having a viscosity of 2000 to 10,000 centipoise containing on a weight to weight basis:(a) 0.5 to 6.0 percent of hydrated aluminum silicate that is substantially free of inert mineral impurities;(b) 0.1 to 3.0 percent of an amphoteric material or a highly alkoxylated block copolymer;(c) 0.1 to 5.0 percent of a nonionic surfactant selected from the group consisting of polyoxyethylene derivatives of higher alcohols and polyethylene glycol ethers of linear alcohol;(d) sufficient acid to establish a pH in the range 0.9 to 3.5;(e) 5.0 to 50.0 percent of an abrasive;(f) 1.0 to 5.0 percent of a cleaning solvent; and(g) sufficient deionized water to make 100 percent.

Abstract: An aqueous cleaning composition for carpets, rugs, and textiles has been discovered with the composition comprising sodium lauryl sulfate, an ethylene glycol monohexyl ether, a fluorosurfactant, a carboxylated polymer salt, and a tetrasodium ethlyenediamine tetraacetate. The composition is effective in removing a variety of stains from carpeting and is particularly effective against oily stains without imparting undesirable properties on the cleaned surface.

Abstract: An aqueous cleaning composition for cleaning hard surfaces has been discovered, the composition comprising: (a) from about 0.1 weight % to about 5 weight % of a siloxane block polymers as structurally represented by Formula A, as follows: ##STR1## wherein PE is CH.sub.2 CH.sub.2 CH.sub.2 O(EO).sub.m Me, --CH.sub.2 CH.sub.2 CH.sub.2 O(EO).sub.m H, or --CH.sub.2 CH.sub.2 CH.sub.2 O(PO).sub.n Bu, where EO is ethyleneoxy and PO is 1,2-propyleneoxy and said siloxane block polymer has a molecular weight ranging from about 3000 to about 4000; (b) from about 0.1 weight % to about 5 weight % of a C.sub.9 to C.sub.15 ethoxylate; (c) from about 1 weight % to about 10 weight % of a C.sub.4 -C.sub.9 alkylene glycol C.sub.1 to C.sub.3 monoalkyl ether; and (d) from about 5 weight % to about 15 weight % of a chelating agent. The inventive composition imparts a residual protection on cleaned surfaces thereby assisting to hinder resoiling of the cleaned surface.

Abstract: Cyclodextrin catenanes capable of forming inclusion complexes and a method of preparing them are disclosed. The catenanes comprise one or two per-2,6- di-O-alkyl-.beta.-cyclodextrin macrocycles wherein each per-2,6-di-O-alkyl-.beta.-cyclodextrin macrocycle is interpenetrated by another macrocycle. Such modified cyclodextrins may be used for the electrochemical and optical sensing of small organic molecules, especially small aromatic molecules.

Abstract: The invention relates to membranes for facilitated ion transport in aqueous solutions. The membrane is an adduct of a heteropolysiloxane and a crown-ether, and contains certain ions such as picrate or fluoroborate. This membrane is efficient for the selective transport of potassium ions.

Abstract: The present invention provides an aqueous antimicrobial composition containing one or more essential oils which exhibit antimicrobial properties and which can be combined with a water carrier and a solubilizing or dispersing agent to form a solution or a dispersion of the essential oil in the water carrier, said essential oil exhibiting antimicrobial properties when incorporated in said water carrier.

Abstract: The invention relates to the preparation of conductive metal oxide powders.The method according to the invention comprises the following stages: a) a colloidal aqueous solution of crystalline particles of at least one metal oxide or a composite oxide of several metals is formed, by hydrolysing a starting solution containing metal ions and an agent for complexing the metals, (b) heat treatment is carried out. Any residual salts and residual complexing agent are eliminated before or during the heat treatment (b).Application to the manufacture of antistatic coatings.