Abstract: A chromium free conversion coating at least equivalent in corrosion protective quality to conventional chromate conversion coatings can be formed on metals, particularly galvanized steel, by a dry-in-place aqueous acidic liquid comprising:(A) a component of anions, each of said anions consisting of (i) at least four fluorine atoms and (ii) at least one atom of an element selected from the group consisting of titanium, zirconium, hafnium, silicon, and boron and, optionally, (iii) one or more oxygen atoms;(B) a component of cations of elements selected from the group consisting of cobalt, magnesium, manganese, zinc, nickel, tin, zirconium, iron, aluminum and copper; the ratio of the total number of cations of this component to the total number of anions of component (A) being at least 2:5; and(C) sufficient free acid to give the composition, after dilution with from 1 to 19 times its own weight of water, a pH in the range from 0.5 to 5.

Abstract: The stability of an acidic liquid cleaner for aluminum comprising mineral acid, oxidant, polyvalent metal ions, and surfactant is substantially improved by the presence in the cleaner of from 0.05 to 5 g/L of a component selected from the group of glycols containing from 2 to 10 carbon atoms per molecule and mixtures of such glycols. The effectiveness of the cleaner for primary cleaning and de-smutting of aluminum and its alloys is not impaired and may even be improved by the addition of the glycol component.

Abstract: Aqueous and storage-stable compositions for the deposition of temporary barrier layers on spray-coating booths and the like contain5 to 80% by weight of one or more C.sub.8 -carboxylic acid and/or an alkali metal salt thereof,1 to 40% by weight of a pH-regulator consisting of one or more alkanol amine and/or alkali metal hydroxide, and1 to 15% by weight of one or more layered silicate and/or polyacrylate and/or carboxymethylcellulose,together with water and any further desired additives, and have a pH value of 6 to 10 and a viscosity of 30 to 50 DIN-sec.The invention also provides a process for the production of such compositions.

Abstract: The invention relates to coagulating agents formulated in the form of two separate components A and B for coagulating paints, waxes and coating compositions, which agents contain one or more aluminosilicate(s), one or more wax(es) and/or wax analogues and one or more active ingredient(s) and/or auxiliary material(s) that are known per se for coagulating and/or formulating, as well as to the aqueous slurries of the two-component agents and to the use thereof in circulation waters of paint disposal units.

Abstract: An otherwise conventional Jernstedt salt dispersion for activating metal surfaces to improve the quality of subsequently deposited phosphate conversion coatings on the activated metal surface is stabilized against deterioration in storage for at least six months by utilizing in the dispersion a mixture of sodium and potassium salts, preferably condensed phosphate salts, in such amounts that the ratio of potassium to titanium is within the range from 8.0:1.0 to 40:1.0 and the ratio of potassium to sodium is within the range from 0.9:1.0 to about 2.5:1.0.

Abstract: The invention describes the use of molybdenum compounds in circulating waters of wet precipitators of spray coating units for detackifying and coagulating paints and/ or varnishes, waxes and other organic coating compositions, and a process for detackifying and coagulating paints and/ or varnishes, waxes and other organic coating compositions by means of molybdenum-containing coagulants.

Abstract: Strands of multicolored, striped toothpaste, more especially with a cross-section in the form an n-sided polygon, where n is an integer of 3 to 7, can be dispensed without diffuse transition zones from a storage container providing the ratio between the yield points of the carrier strand paste and the stripe paste is approximately 1.10:1 to 1.20:1. A device of the type shown in FIG. 1 is suitable for dispensing the toothpaste.

Abstract: By reacting 1,3-propanediol with oxygen or an oxygen-containing gas in an aqueous alkaline solution in the presence of a palladium containing catalyst substrate, alkaline salts of 3-hydroxypropionic acid are produced in good yield when the catalyst is used in an amount that corresponds to 0.1 to 3.0% by weight of palladium, based on the 1,3-propanediol.

Abstract: The invention concerns a process for controlling and/ or distinguishing liquids used in the brewing industry. To distinguish water, rinse water, different kinds of beer, and various non-alcoholic drinks with the help of technical measuring devices, a measuring instrument for monitoring or distinguishing the conductivity of the liquid concerned by inductive measurement is used.

Abstract: A nickel and/or cobalt deposition process which can be run at a nearly neutral pH and which rapidly deposits nickel and/or cobalt in quantities large enough to improve the paint adhesion and post coating corrosion resistance, and which has a good solution stability, is achieved by treating zinc coated sheet steel with an aqueous solution that has a pH between 5 and 10 inclusive and comprises (A) a total of at least 0.01 g/L of metal ions selected from the group consisting of Ni.sup.2+ and Co.sup.2+ ions and (B) a sufficient amount to fully complex the metal ions recited in part (A) of complexing agents selected from the group consisting of ammonia and organic compounds having at least one amino group in the neutral region.

Abstract: The invention concerns the production of aluminum trihydrate crystal by the Bayer process, by digesting ground bauxite, filtering off the red mud, cooling the filtrate, and crystallizing out the dissolved aluminum hydroxide as gibbsite. Before and/or during the crystallization, polyglycerines of the general formula H--(OCH.sub.2 CHOH--CH.sub.2).sub.n --OH, where n is an integer equal to or greater than 3, are added.

Abstract: The invention concerns a process, not using chlorate or nitrite, for the production of nickel and manganese containing zinc phosphate films on steel, zinc, and/or zinc alloys by spraying, spray-dipping, and/or dipping, using an aqueous solution. An organic oxidizing agent is added, primarily to depolarize the nascent hydrogen produced.

Abstract: In the cold drawing of steel tubing, an excellent lubrication which permits drawing the tubing while retaining its original metallic luster can be achieved by first contacting the surfaces of the tubing, both exterior and interior, with a colloidal titanium containing aqueous composition, drying the tubing, and then applying to the surface of the tubing a liquid lubricating composition comprising (i) from 40 to 95% of a first component selected from the group consisting of olefin/oil or olefin/fat compounds which contain from 23 to 30% of sulfur and olefin/higher ester compounds which contain from 23 to 30% sulfur, including mixtures of two or more chemical species meeting this description; and (ii) from 5 to 50% of a second component selected from the group consisting of oil soluble polymer compounds, fats and oils, synthetic oils, mineral oils, higher fatty acids, and the amine salts of higher fatty acids.

Abstract: The present invention relates to the use for cleaning hard surfaces of a combination of ionic and nonionic surfactants containing(a) at least one quaternary ammonium compound having the general formula (I)R.sup.1 (--CHOH--CHR.sup.2).sub.n --N.sup.+ R.sup.3 R.sup.4 R.sup.5 X.sup.-(I)(b) at least one alk(en)yl polyethylene glycol mixed ether having the general formula (II):R.sup.6 --O--(CH.sub.2 CH.sub.2 --O).sub.2 --R.sup.7 (II).

Abstract: An aqueous liquid composition containing polyethylene glycol with a molecular weight in the range of about 200 to about 8000, nonionic surfactant, and a corrosion inhibitor, and optionally, amphoteric surfactants and fluorinated surfactants is useful as a highlighting liquid for detection of surface irregularities on shaped metal surfaces and for preventing adhesion of weld splatter on surfaces coated with the composition. Preferably the corrosion inhibitor includes alkali metal salts of boric acid and of a mixture of branched chain carboxylic acids and amino acids.

Abstract: Pinhole and blister formation during autodeposition coating of galvanized steel and similar zinciferous surfaces can be greatly reduced by exposing the zinciferous surfaces to a pinhole inhibiting aqueous HF solution containing a suitable additive before using an autodeposition process itself. The most effective additives are boric acid, polyphosphonic acids, and polyethyleneimine.

Abstract: A composition for treatment and after treatment of surfaces, especially metals, with derivatives of polyphenol compounds is provided. The derivatives include substituted aminomethyl groups on at least some of the phenyl rings in the polyphenol polymers, with molecular weights within the range of about 700 to about 70,000 being preferred. The compositions are particularly useful for treating chromated aluminum surfaces prior to painting, to improve corrosion resistance, and when combined with surfactants, for treating plastic and painted surfaces to improve rinsability without water breaks.

Abstract: The invention relates to the use of colloidal, stabilized silica sol as an auxiliary for stabilizing and/or increasing the activity of catalysts which show a tendency towards activity-reducing sintering under high-temperature conditions.

Abstract: A process for the catalyzed ethoxylation or propoxylation of compounds selected from the group consisting of organic compounds containing active H atoms, esters of fatty acids containing 2 to 22 carbon atoms with monoalkanols containing 1-22 carbon atoms with polyols containing 2 to 12 carbon atoms and 2 to 6 hydroxyl groups, wherein the improvement comprises the use as catalyst for the ethoxylation or propoxylation of hydrophobicized hydrotalcites corresponding to the general formula I:Mg.sub.x Al(OH).sub.y (CO.sub.3).sub.m (A).sub.n.zH.sub.2 O (I),in which A is selected from the group consisting of (i) a dianion of an aliphatic dicarboxylic acid containing 4 to 44 carbon atoms and (ii) two anions of aliphatic monocarboxylic acids containing 2 to 34 carbon atoms; 1<x<5; y.ltoreq.2x+2; {y+2(m+n)}=2x+3; m+n.ltoreq.0.5; m.gtoreq.0; and 0<z<10.

Abstract: Toothpastes containing 10 to 60% by weight of a polishing agent, 2 to 20% by weight of a humectant, 0.5 to 5% by weight water-soluble consistency regulators, 0.02 to 0.5% by weight antibacterial biguanides and 1 to 5% by weight other additives from the group consisting of surfactants, flavoring oils and sweeteners show particularly high biguanide availability if they contain predominantly .alpha.-aluminium oxide trihydrate as the polishing agent, nonionic polysaccharide derivatives as the consistency regulators, an alkyl glycoside and, optionally, a nonionic solubilizer for the flavoring oil as surfactants and L-aspartyl-L-phenyl alanine methyl ester as sweetener.