Abstract: The invention relates to the use of alkoxyhydroxy fatty acids and the salts thereof having the general formula (I) ##STR1## wherein R.sup.1 represents a straight chain alkyl radical or a straight chain alkenyl radical having from 6 to 8 carbon atoms,R.sup.2 represents a straight chain or branched chain alkyl radical having from 1 to 18 carbon atoms, or a straight chain or branched chain alkenyl radical having from 2 to 18 carbon atoms,M represents hydrogen or an organic ammonium radical having one or more alkyl radicals or hydroxy alkyl radical attached to the nitrogen atom, andm represents an integer having a value of from 3 to 13,in an amount of from 0.01 to 10% by weight, based on the weight of oil, as corrosion inhibitors in oils and oil-containing emulsions.

Abstract: Methods of producing thermoplastic poly(amide-urethane) block copolymers having excellent flexibility at low temperatures are provided. The methods comprise reacting substantially linear polyamides, the polyamides being based on dimerized fatty acids and terminated by carboxyl and/or amino groups and aliphatic or cyloaliphatic polyethers and/or reaction products thereof with 2,3-epoxypropanol. The reaction products contain substantially no free isocyanate groups or epoxide groups. The invention also relates to the use of these products as adhesives and corrosion inhibitors for metallic and/or wooden materials.

Abstract: An improvement is disclosed in the solvent extraction process for recovering metal values, i.e. copper, from aqueous solutions, particularly aqueous solutions, containing copper and iron which may also include chloride, and more particularly to an improvement which provides for increased copper to iron ratios in the loaded organic extractant phase. The improvement comprises washing the loaded organic extractant phase prior to stripping of the copper values therefrom with an aqueous acidic scrub solution containing at least a portion of electrolyte.

Abstract: Corrosion inhibitors containing a mixture of one or more water soluble tetraborate salts and one or more water soluble condensed phosphate salts are non-toxic and are more effective than either of the components alone. These compositions containing both tetraborates and condensed phosphates are also more effective than such prior art inhibitors as nitrites and ethanolamine-based inhibitors.

Abstract: Bicyclic decanedioic acids corresponding to the following general formula ##STR1## in which R represents a C.sub.1 -C.sub.22 alkyl radical, a C.sub.2 -C.sub.34 alkylcarbonyl radical, or a residue of a polyalkoxylated C.sub.2 -C.sub.22 fatty alcohol, represent a new class of dicarboxylic acids which are useful as flotation aids in the flotation of non-sulfidic ores.

Abstract: A process for preparing surface-active, saturated sulfophosphoric acid-(partial)-alkyl esters and their alkali metal, alkaline earth, ammonium and/or amine salts by the sulfonation of saturated phosphoric acid-(partial)-alkyl esters and then hydrolysis of the sulfonated phosphoric acid esters formed.

Abstract: An aqueous solution of a reducing agent is applied to a chromate coated metal surface to reduce the extent to which the chromate coating undergoes dissolution during a subsequent cleaning process.

Abstract: The invention is cleaning compositions containing Polyethylene-glycol ethers of the formulaR.sub.1 --(CH.sub.2 CH.sub.2 O).sub.n --R.sub.2 (1)in whichR.sub.1 is a straight-chain or branched alkyl- or alkenyl radical having from 20 to 28 carbon atomsR.sub.2 is an alkyl radical having from 4 to 8 carbon atoms and n is an integer from about 6 to about 20as a foam-suppressing additive. The cleaning compositions are stable over a broad temperature range and having low foaming characteristics particularly at about ambient temperatures.

Abstract: A process is disclosed for recovering a cellulose ether from a cellulose ether suspension in which the cellulose ether is recovered as a filter cake from a pressure filtration, particularly using a rotary pressure filter. Clogging of the separation or filtration device is avoided, providing for a long useful life. A multi-layer wire mesh filter medium is employed, formed of mesh layers of different wire thicknesses and/or mesh size. After removal of the filter cake, the filter medium is cleaned with steam, compressed air or pressurized water.

Abstract: A durable hydrophilic surface can be formed on metals by coating them with a composition containing a first water soluble polymer based on polyacrylamide, a second water soluble polymer with at least 60 mole percent of ionizable groups such as acids and quaternary ammonium salts, and a cross linking agent. Water soluble chromium and zirconium salts that can form complexes with the first water soluble polymer are preferred crosslinking agents. The invention is particularly useful for aluminum to be used in heat exchangers.

Abstract: Aqueous compositions suitable for the treatment of alfalfa are provided herein. The aqueous compositions contain a hydrocarbon, a lower alkyl ester of a fatty acid and/or alkali metal carbonate. A process for applying said aqueous compositions to the alfalfa at the time of cutting to reduce drying time is also provided.

Abstract: A process for the catalytic hydrogenation of butterfat where non-deacidified butterfat is continuously reacted with hydrogen under pressures of from 20 to 300 bar and at temperatures of from 180.degree. to 250.degree. C. with molar ratios of hydrogen to fatty acid residue in the butterfat of from 10:1 to 500:1. The reaction is carried out over catalysts which contain from 30 to 40% by weight copper, from 23 to 30% by weight chromium, from 1 to 10% by weight manganese, from 1 to 10% by weight silicon, and from 1 to 7% by weight barium. The percentages by weight in each case are based on the total oxidic mass of the catalyst. Other transition metals, especially zirconium and cerium, are additionally incorporated into the catalyst. The metals in the catalyst are converted to their oxides by calcination. The catalyst is converted into shaped particulate or granulated elements with from 1 to 10% by weight of at least one binder in addition to 1 to 10% by weight graphite.

Abstract: A mobile cleaner apparatus comprising a container for a cleaning preparation and an associated pressure pump which are integrated into a mobile and steerable chassis. The chassis has a steering handle and a holder for a removable suction unit equipped with an integrated soil container. A coupling means is provided for detachably fastening to the chassis a spray nozzle and suction nozzle unit having its own roller. The spray nozzle and suction nozzle unit is displaceable laterally on either side of the apparatus. The spray nozzle is suitable for applying a cleaning preparation to a surface to be cleaned, for example, a floor, and the suction nozzle is suitable for sucking up the applied cleaning preparation.

Abstract: A process for preparing alkylglycosides by reacting an 8 to 20 carbon atom monohydric alcohol with a monosaccharide in the presence of an acid catalyst, while under partial vacuum, followed by neutralizing the reactant product with an alkaline metal hydroxide in an amount about equal on a molar basis to the amount of catalyst, and removal of the residual unreacted alcohol.

Abstract: A dispensing device for dispensing at least two flowable substances includes a container with two separate coaxial compartments for containing two flowable substances, respectively. Independently operable dosing units are associated with each compartment. Each dosing unit communicates with its associated compartment through a valve flap. Each dosing unit also includes a spring-actuated plunger guided in a cylinder, with a valving mechanism for enabling a predetermined quantity of the associated flowable substance to be selectively dispensed.

Abstract: A pearlescent concentrate in the form of a free-flowing dispersion containing from 5 to 15% by weight of one or more ester corresponding to the following formulaR.sup.1 -(OC.sub.n H.sub.2n).sub.x -OR.sup.2and from 1 to 6% by weight of one or more fatty acid mono- ethanolamide may be prepared using from 2 to 8% by weight of one or more compound selected from the group alkyl (oligo) glucoside, sorbitan fatty acid ester, fatty amine ethoxylate, ether carboxylic acid, or fatty acid monoester or diester of glycerol ethoxylate as an emulsifier.

Abstract: Copolymers of(A) monomers containing amino groups and corresponding to general formula (I) ##STR1## in which each of R.sup.1 and R.sup.2 independently represents a hydrogen or a methyl group; Z represents either an oxygen or a --NH-- group; n is an integer from 2 to 5; (C.sub.n H.sub.2n) represents a bivalent saturated hydrocarbon moiety that may be straight chain or branched and that contains n carbon atoms; and Q is selected from the group consisting of piperazino, piperidino, and morpholino groups and groups having the formula R.sup.3 --N--R.sup.4, with each of R.sup.3 and R.sup.4 independently representing a hydrogen or a C.sub.1-4 alkyl group; and(B) monomeric esters corresponding to general formula (II) ##STR2## in which each of R.sup.5 and R.sup.6 independently represents a hydrogen or a methyl group and R.sup.7 represents a C.sub.

Abstract: An improved drivable automatic floor cleaning machine includes a carriage supporting a fresh liquid compartment, a dirty liquid compartment, a cleaning rotor, a travel roller pair, and a rearward suction nozzle. The improvements include an adjustable machine frame with a depending protective curtain surrounding the periphery of the rotor remote from the suction nozzle, the machine frame being adjustable, preferably automatically, to accommodate rotors of different diameters, and to confine the cleaning liquid beneath the machine for improved efficiency and range of operation using either battery or rectifier power.

Abstract: The process of reducing the coefficient of static friction on the outside surface of a metal can by applying thereto a lubricant and surface conditioner for formed metal surfaces, particularly beverage containers, which reduces the coefficient of static friction of said metal surfaces and enables drying said metal surfaces at a lower temperature.The conditioner is a water-soluble organic material selected from a phosphate ester, alcohol, fatty acid including mono-, di-, tri-, and poly-acids; fatty acid derivatives such as salts, hydroxy acids, amides, esters, ethers and derivatives thereof; and mixtures thereof.

Abstract: The present invention relates to a process for phosphating metal surfaces, and more specifically of surfaces of iron, zinc, and aluminum and the alloys thereof as a pretreatment for cold working wherein the surfaces without previous activation are contacted in a temperature range of from 30.degree. C. to 70.degree. C. with an aqueous solution containing(a) from 10 to 40 g/l of Ca.sup.2+ ions,(b) from 10 to 40 g/l of Zn.sup.2+ ions,(c) from 10 to 100 g/l of OP.sub.4.sup.3- ionsand, as accelerator,(d) from 10 to 100 g/l of NO.sub.3.sup.- ions and/or(e) from 0.1 to 2.0 g/l of organic nitro compounds,said solution exhibiting a pH value in the range of from 2.0 to 3.8 and a ratio of free acid to total acid of from 1:4 to 1:100.