Abstract: A therapeutic shoe is disclosed wherein a sole member contains a plurality of differently sized air-tight compartments of differing compressibility so that the weight of the foot in the metatarsal and lateral regions compresses so as to form a supportive arch in the medial position. This therapeutic shoe provides supportive therapeutic aspects combined with cushioning aspects for comfort to the user. Suitable applications include the broad range of athletic uses including jogging shoes, and walking shoes as well.

Abstract: A dye solution for coloring a substrate, especially porous stone, comprising an oxidation base, acetic acid, and about 0.02 to about 0.3 mole, per mole of said oxidation base, of a C.sub.8-16 alkyl benzene sulfonic acid, especially dodecyl benzene sulfonic acid, in a volatile organic solvent medium, and a method of coloring a porous substrate therewith involving post-treatment with an oxidizing agent, especially aqueous hydrogen peroxide of about 1 to about 9 wt. % concentration.

Abstract: A selective process for the preparation of 1-aminoanthraquinones from the corresponding 1-aminoanthraquinone-2-carboxylic acid by decarboxylation in an acid solution in the presence of iron or zinc as a catalyst.

Abstract: A selective process for the preparation of 1-aminoanthraquinones from the corresponding 1-aminoanthraquinone-2-carboxylic acid by decarboxylation in basic solution in the presence of iron, tin or zinc as a catalyst.

Abstract: A flowing liquid system in which means are provided for simultaneously aerating and circulating said liquid comprising surface aerator means cooperating with partition means extending into a communication section between a first channel and a second channel with the aerator means located on the second channel side of and separated from the partition means and closer to the partition means than to the outside of the communication section, said system being particularly suited for use in an activated sludge waste water treatment system.

Abstract: A polymer emulsification process comprising intimately dispersing a liquified water insoluble polymer phase in an aqueous liquid medium phase containing at least one nonionic, anionic or cationic oil-in-water functioning emulsifying agent, in the presence of a compound selected from the group consisting of those hydrocarbons and hydrocarbyl alcohols, ethers, alcohol esters, amines, halides and carboxylic acid esters which are inert, non-volatile, water insoluble, liquid and contain a terminal aliphatic hydrocarbyl group of at least about 8 carbon atoms, and mixtures thereof, and subjecting the resulting crude emulsion to the action of comminuting forces sufficient to enable the production of an aqueous emulsion containing polymer particles averaging less than about 0.5 .mu. in size.

Abstract: A method of preparing an N-substituted carbamate comprising reacting by heating in sulfolane at a temperature ranging from about 65.degree. C. to about 100.degree. C. (1) an alkali metal cyanate, (2) at least one sulfolane-soluble organic halide of the formula RX wherein X is halogen and R represents a radical selected from the group consisting of alkyl, alkenyl, aralkyl and aralkenyl, and (3) at least one sulfolane-soluble non-aromatic monohydric or polyhydric alcohol, and isolating the N-substituted carbamate thereby produced from the resulting reaction mass.

Abstract: A continuous waste water treatment system comprising a reservoir providing a single, closed, continuous, substantially horizontal path through at least two adjacent substantially concentric loops, each of said loops having a beginning and an end, said reservoir being provided with waste water inlet means, treated liquid outlet means, and aeration and circulation means, and wherein said treated liquid outlet means is connected to clarifying means which removes at least some of the sludge carried by the treated liquid and sludge return means is provided to return at least some of the removed sludge to said reservoir.

Abstract: The present invention provides for an audio message broadcasting system which includes a source of pre-recorded audio messages such as a tape player for producing an audio signal of approximately one thousand cycles. The signal is delivered to a microwave transmitting station via available cable for transmission over microwave channels to a microwave receiving station. The microwave receiving station is connected to an earth based transmitting station for transmitting the signal on a 6 GHz frequency carrier to an earth orbiting spin stabilized geostationary satelite for receiving the signal. The satelite carries a wideband receiver which translates the 6 GHz carrier to a 4 GHz carrier for downward transmission of the signal. An additional earth based receiving station is located remote from the earth based transmitting station, such as across the continental United States.

Abstract: A method comprisingI. reacting isocyanate groups in an organic polyisocyanate by anhydrous reaction with a chemically equivalent amount of primary hydroxyl-containing material, at least about 50 mole % of which material is one or a mixture ofA. allyl alcohol, orB. at least one C.sub.2-4 hydroxyalkyl ester of acrylic or methacrylic acid, to form a water-resistant adduct of said polyisocyanate with said material, andIi. intimately dispersing said adduct, in the form of a water insoluble liquid phase, into an aqueous liquid medium containingA. an anionic or cationic oil-in-water functioning emulsifying agent, in the presence ofB. an aliphatic hydrocarbon or hydrocarbyl alcohol which is inert, non-volatile, water insoluble, liquid, and contains a terminal aliphatic hydrocarbyl group of at least about 8 carbon atoms; homogenizing the resulting crude emulsion to reduce the average size of the dispersed phase particles to below 0.5 .mu.

Abstract: An expandable rack comprising a plurality of shelf sections, each having beaded longitudinal edges of such size as to allow one section to telescope into the next section and bracket means only slidably supporting said sections and having a shelf receiving portion which substantially matches the exterior shape of said shelf sections thereby allowing said shelf sections freedom of movement only in a longitudinal direction.