Abstract: Rubber based adhesives containing liquid stereospecific polybutadiene rubber, one or more hardeners or hardener systems, fillers and optionally primers, which contain one or more chemically irreversibly depolymerized solid rubbers of natural or synthetic origin in quantities of from 1.5 to 5% by weight, based on the sum of the constituents, to a process for the production of these low-viscosity rubber-based adhesives by chemically irreversible depolymerization of one or more solid rubbers of natural or synthetic origin, and to the use of these low-viscosity rubber-based adhesives in the bonding of metal components in automotive manufacturing.

Abstract: Diurethanes corresponding to general formula (I) or (II) belowR.sup.1 --NH--CO--O--R.sup.2 --O--CO--NH--R.sup.1 (I)R.sup.3 --O--CO--NH--R.sup.4 --NH--CO--OR.sup.3 (II)in which R.sup.1 is a C.sub.3 -C.sub.22 alkyl or aralkyl radical or a phenyl radical, R.sup.2 is a residue of a difunctional polypropylene glycol having a number average molecular weight of from 1000 to 4000, R.sup.3 is the residue of a monofunctional polypropylene glycol monoalkyl ether having a number average molecular weight of from 500 to 2000, and R.sup.4 is C.sub.4 -C.sub.36 alkylene group, a diaryl methane group or a tolylidene group, as stabilizing agents for sealing compositions, for isocyanate-terminated polyurethane prepolymers, and for polyvinyl chlorides and copolymers of vinyl chloride.

Abstract: A process for the production of alkane polyols and especially alkane triols where mono- and/or poly-epoxidized fatty acids and/or fatty acid esters and mixtures thereof, especially derivates of natural fatty acids, are reacted with short-chain alkane-carboxylic acids such as formic or acetic acids; and the ester alcohols produced are hydrogenated on a hydrogenation catalyst such as those containing copper chromite at elevated temperature and pressure. The maximum possible number of alcohols groups per molecule can be formed in this way thus producing alkane triols, for example, which are useful in cosmetic formulations as well as in polyurethanes.

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 monoethanolamide 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: This invention relates to a novel continuous process for producing a hair curler comprising an elongated foam-plastic body with a substantially axially extending wire insert which is shorter than the length of the elongated foam-plastic body.

Abstract: Combinable bottle assembly (1,6) consisting of two separately fillable bottles designed to be fitted together one above the other, can be formed inexpensively of plastic, filled and stored separately from and independently of one another and can readily be connected and tightly combined with one another to form a two-compartment container convertible to a one compartment container.The floor or bottom wall (12) of the upper bottle (1) is formed as a separate cylinder element (3) having an annular connecting plate (13) which connects a skirt wall (14) of the cylinder element to the wall (15) of a central nozzle (9) arranged concentrically therein, forming a throughflow passage (16) which is closed by a stopper (10). The lower bottle (6) comprises an elongate neck having an external screwthread (33) which is engagable with an internal thread on the elongate nozzle to permit the second bottle to be screwed into the nozzle to a connecting position to dislodge the stopper and open the containers to each other.

Abstract: A cleaning block for the tank of flush toilets comprising: 10 to 30% by weight of monoalkyl sulfate, Na salt, 5 to 40% by weight of fatty acid alkanolamide, and 15 to 60% by weight of a water-soluble inorganic alkali salt, and optionally calcium-complexing carboxylic acids or alkali salts thereof, perfume, dye and other auxiliaries. The block is distinguished by a particularly long useful life, by uniform dissolving behavior and by high cleaning power. A method for use and process for manufacture are also afforded.

Abstract: In the production of washing-active .alpha.-sulfofatty acid esters by sulfonation of fatty acid alkyl esters with SO.sub.3 in molar ratios of up to 1:2 and more especially of from 1:1.2 to 1:1.8 and subsequent working-up of the crude sulfonic acid in aqueous medium with salt formation, aqueous pastes which are mobile, more especially pumpable, at moderately elevated temperatures are obtained by subjecting the crude sulfonate before the treatment with the aqueous medium to a post-reaction with at least about 0.5 mole equivalent, based on the SO.sub.3 which is not used for the .alpha.-sulfonation, of monohydric alcohols and/or alkoxylation products thereof at temperatures above 70.degree. C. and adjusting the solids contents of the .alpha.-sulfofatty acid ester salts to more than 35% by weight in the subsequent aqueous working-up step.

Abstract: Citric acid partial esters corresponding to the following general formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 represent hydrogen or a straight-chain or branched C.sub.4 -C.sub.20 alkyl radical or a metal atom, with the proviso that at least one but at most two of the substituents R.sup.1, R.sup.2 and R.sup.3 represent such an alkyl radical, or mixtures of the citric acid partial esters corresponding to general formula (I), are used for the extraction of iron from aqueous solutions.

Abstract: An insecticidally active fraction is obtained from black pepper by a process comprising the following steps:(a) extraction of black pepper in ground form with CO.sub.2 at 30 to 70.degree. C. and 150 to 500 bar;(b) removal of sharp tasting fractions therein in a first expansion step at 25 to 35.degree. C. and 70 to 150 bar;(c) removal of an oily fraction containing the insecticidally active components as well as most of the essential oils in a second expansion step at 15 to 30.degree. C. and 40 to 70 bar;(d) removal of essential oils by steam distillation, and if desired;(e) hydrogenation of the insecticidally active components.

Abstract: A low-water content surfactant mixture which is pourable and pumpable at ambient temperature having high wetting power and detergency when used in a fabric detergent composition has a water content of no more than about 20% by weight, and consists essentially of (1) from about 50 to about 65% by weight of a C.sub.12 -C.sub.18 fatty alcohol ethoxylate containing an average of about 10 moles of ethylene oxide, (2) from about 5 to about 15% by weight of an alkali metal salt of a C.sub.16 -C.sub.18 tallow alcohol sulfate; (3) from about 4 to about 15% by weight of a C.sub.12 -C.sub.16 alkane sulfonate alkali metal salt and/or the disodium salt of n-octyl sulfosuccinate; and (4) from about 5 to about 13% by weight of a free C.sub.16 -C.sub.18 fatty acid.

Abstract: Cosmetic compositions for hair care and aftertreatment include a surface-active quaternary ammonium compound of the following formula: ##STR1## wherein R.sup.1 and R.sup.2 are C.sub.8 -C.sub.22 -alkyl; R.sup.3 is C.sub.1 -C.sub.4 -alkyl, benzyl, or --(C.sub.n H.sub.2n O)z; n is 2 or 3; x, y, and z are 1-20; and A is an anion; as hair revitalizing agents with particularly good emulsifying properties. In one embodiment, the compositions are in the form of oil-in-water emulsions useful as hair rinses and contain from 0.1 to 5% by weight of the quaternary ammonium compound and from 0.2 to 10% by weight of a water-insoluble oil or fatty component, especially a C.sub.12 -C.sub.18 fatty alcohol, a mono- and/or diglyceride of a C.sub.12 -C.sub.18 fatty acid, or a paraffin wax.

Abstract: The invention relates to aqueous compositions containing one or more components selected from each of the groups comprising corrosion inhibitors, carboxylic acids, glycerol and derivatives, alcohols and polyethylene glycols, respectively, and tensides, which aqueous compositions are characterized in that they contain alkanolamines as the organic corrosion inhibitors, cinnamic acid and/or linear or branched aliphatic carboxylic acids or aromatic carboxylic acids as the carboxylic acids, glycerol and/or derivatives, dihydric alcohols and/or polyethylene glycols as the alcohols, cationic and/or nonionic tensides as the tensides and, optionally, UV-active ingredients, nonferrous metal inhibitors and/or light metal inhibitors and/or solubilizing agents. The compositions are used for preparing solutions suitable for the visual inspection and cleaning of surfaces of metallic structural members using the highlighting procedure or the flux procedure.

Abstract: Oral and dental hygiene preparations containing quaternary ammonium compounds of the formula ##STR1## wherein R.sup.1 is an n-alkyl group, preferably containing from 8 to 12 carbon atoms, R.sup.2 is hydrogen, a CH.sub.3 -group or a CH.sub.2 OH-group and R.sup.3 is a CH.sub.3 -group or a group of the formula --CH.sub.2 --CH(OH)--R.sup.2, A is an inorganic or organic acid anion and n is the basicity of the anion. The quaternary ammonium compounds of formula I can have a plaque inhibiting effect and show only slight antimicrobial activity. R.sup.1 is preferably an n-decyl group, R.sup.2 is hydrogen and R.sup.3 is a CH.sub.3 -group or a 2-hydroxyethyl group. The oral and dent al hygiene preparations also preferably contain fluorides and/or organophosphonates as the anion A.

Abstract: A detergent composition for dishwashers comprising anhydrous alkali carbonate, alkali metasilicate, and other, optional, ingredients, wherein the alkalis contain at least two different cations and phosphates are not present.

Abstract: Water soluble polyamide resins are produced from an excess aromatic dicarboxylic acid and a diamine. The resin can be used in inks.

Abstract: A process for the production of oligourethanes containing terminal mercapto groups in which the adduct of propylene oxide with trimethylol propane and/or glycerol and/or trimethylol ethane as alkylene oxide adduct containing OH-groups is reacted with isomeric tolylene diisocyanates in excess, based on hydroxyl groups, and the isocyanate groups are further reacted with mercaptoethanol. The adduct of propylene oxide with the trifunctional alcohol is intended to have a calculated molecular weight of from about 1800 to about 6000 and preferably of from about 2000 to about 5000, the reaction products being used for the production of sealing compounds hardening by oxidation or as an additive for crosslinkable epoxy resin systems.

Abstract: A pretreatment or steeping preparation for cleaning stubbornly soiled dishes in an automatic dishwashing machine comprising from about 0.5 to about 20% by weight of a low-foaming nonionic surfactant, from about 0.5 to about 25% by weight of a polyhydric alcohol and/or glycol ether, from about 0.5 to about 10% by weight of a hydrotropic compound, and from about 0.01 to about 6% by weight of a viscosity regulator, all weights based on the weight of said preparation, in an aqueous suspension or solution adjusted to a viscosity of at least 5 mPa.s. and to a pH of from about 2 to about 7. In the cleaning process, the preparation is applied to the soiled dishes, the dishes are placed in an automatic dishwashing machine, and after waiting about 30 minutes the dishwashing machine is started for the normal washing cycle.

Abstract: Recovery of precious metals such as gold and silver from aqueous cyanide solutions thereof, by contact with a reagent containing a guanidine functionality. The guanidine reagent extracts the precious metal from the aqueous solution which is subsequently stripped from the guanidine reagent and recovered by conventional methods. Certain novel guanidine compounds suitable for extracting gold and silver are disclosed.

Abstract: New zwitterionic polymers are obtained as the copolymerization product of:from about 30 to about 70 mole % of monomers containing quaternary ammonium groups and corresponding to the following formula:R.sup.1 --CH.dbd.CR.sup.2 --CO--Z--(C.sub.n H.sub.2n)--N.sup.(+) (CH.sub.3).sub.3 ;about 10 to about 30 mole % of monomeric carboxylic acids corresponding to the following formula:R.sup.3 --CH.dbd.CR.sup.4 --COOH;about 10 to about 30 mole % of monomeric esters corresponding to the following formula:R.sup.5 --CH.dbd.CR.sup.6 --COOR.sup.7 ;and, optionally,0 to about 40 mole % of monomers containing tertiary amino groups and corresponding to the following formula:R.sup.8 --CH.dbd.CR.sup.9 --CO--Z--(C.sub.n H.sub.2n)--NR.sup.10 R.sup.11.The zwitterionic polymers are suitable for the production of hair-washing and hair-care preparations which have a long-lasting hair-softening effect.