Abstract: The invention relates to dispersion-powder compositions redispersible in water and containing (a) a vinyl ester ethylene copolymer with 50 to 90% by weight of vinyl esters of C.sub.2 to C.sub.12 carboxylic acid, 1 to 30% by weight of ethylene, 0-20% by weight of vinyl esters of .alpha.-branched monocarboxylic acids with 5 to 10 C-atoms, each in relation to the total weight of the vinyl ester ethylene copolymer, and (b) a water soluble copolymer with 20 to 80% by weight of hydrophobic, substantially water insoluble monomers, 20 to 80% by weight of water-soluble, salt-forming monomers from the group of ethylenically unsaturated sulfonic acids, and 0 to 50% by weight of ethylenically unsaturated monocarboxylic or dicarboxylic acids or the anhydrides thereof, each in relation to the total weight of the water soluble copolymer.

Abstract: This invention provides a solid polymer electrolyte which is low in water absorption, from which no dopant runs out even in pressing, and which is excellent in stability in the presence of water or methanol, proton conductivity and methanol barrier properties, in which an imidazole ring-containing polymer such as a polybenzimidazole compound is doped with an acid in which at least one hydrogen atom of an inorganic acid such as phosphoric acid is substituted by a functional group having a phenyl group by blending the imidazole ring-containing polymer with the acid in a solution using a solvent such as trifluoroacetic acid, preferably at a rate of 1 to 10 molecules of the acid per repeating structure unit of a molecular chain of the imidazole ring-containing polymer, the solid polymer electrolyte.

Abstract: The invention concerns water-soluble cross-linkable copolymers having a molecular weight of .ltoreq.500000 and comprising a) between 20 and 95 wt. % sulphonic-acid- or sulphonate-group-containing monomer units; b) between 4 and 80 wt. % N-methylol- or N-alkoxymethyl-group containing monomer units; and c) between 0.1 and 20 wt. % hydrophobic monomer units selected from the group comprising water-insoluble ethylenically unsaturated compounds and hydrophobic end groups of initiator radicals or regulator molecules, the portions in wt. % being relative to the total weight of the copolymer. The portion of sulphonic-acid- or sulphonate-group-containing monomer units can optionally be substituted by up to 50 wt. %, relative to the portion by weight of monomer units a), by carboxyl-group-containing monomer units d) or amide-group-containing monomer units e).

Abstract: A floor mat having an upper face layer and a base layer, which comprises a plane section and a marginal peripheral section surrounding the plane section, wherein at least a part of the marginal peripheral section contains a belt-like portion which is raised at the side of the upper face layer and extends continuously and substantially in parallel to a marginal peripheral edge thereof; the belt-like portion contains a channel extending longitudinally thereof at the side of the base layer; and the belt-like portion carries at least one convex-concave structure on a wall surface of the channel, with the proviso that, when the convex-concave structure extends transversely of the channel, the convex-concave structure is discontinued on at least a bottom surface of the channel, is disclosed. The floor mat according to the present invention has a sufficient peeling strength obtained by a compression process used for only a short period of time.

Abstract: It has been known that water having a pH value of 5.5 to 7.5 is suited for the rearing of fresh-water fish and hydroponic cultivation of plants. Bottom soils or filtering media prepared by mixing carbonates of alkali metals or alkali-earth metals with volcano-ash-base soils and sintering the mixture into granules. When used in water tanks or reservoirs for fish rearing or hydroponic cultivation, the bottom soils or filtering media thus prepared provide favorable environments for such rearing and cultivation.

Abstract: A dispersion powder of water-insoluble copolymers of ethylenically unsaturated monomers and optionally, further additives, which are redispersible in water and obtained by:a) emulsion polymerizing, at a pH of 2 to 9, a comonomer mixture of at least one comonomer selected from vinyl esters of unbranched or branched alkylcarboxylic acids having 1 to 18 carbon atoms, methacrylic acid esters of unbranched or branched alcohols having 1 to 18 carbon atoms, acrylic acid esters of unbranched or branched alcohols having 1 to 18 carbon atoms, olefins, dienes, vinylaromatics and vinyl halides, and 0.05 to 15.0% by weight, based on the total weight of the comonomer mixture, of at least one silicon compound of the formulaCH.sub.2 .dbd.CH--(CH.sub.2).sub.m --SiR(OR').sub.2,where m=0-8CH.sub.2 .dbd.CR"--CO.sub.2 --(CH.sub.2).sub.n SiR(OR').sub.2where n=1-6 ##STR1## b) spray drying aqueous dispersion, at a pH of 4 to 8 at a discharge temperature of 55 to 100.degree. C., before or after addition of any additives.

Abstract: A method for removing the sulphur compounds H.sub.2 S, SO.sub.2 and at least one of COS and CS.sub.2 contained in a waste gas is provided. In this method, the waste gas is catalytically hydrolyzed to form a hydrolyzed gas containing H.sub.2 S and SO.sub.2, which is free of COS and CS.sub.2. After cooling, the hydrolyzed gas is introduced in one of two Claus catalytic zones mounted in parallel, while the other catalytic zone is regenerated and cooled. The regeneration is carried out with a gas stream drawn from the hydrolyzed gas before it is cooled, the regeneration gas effluent from the Claus catalytic zone is re-injected into the hydrolyzed gas between the drawing of the regeneration gas stream and the cooling of the hydrolyzed gas.

Abstract: The invention provides a method for preparing catalysts, containing metals of groups VI and VIII on a carrier. The metals of groups VI and VIII metals are introduced in the form of a compound of formula M.sub.x A B.sub.12 O.sub.40 in which M is cobalt and/or nickel, A is phosphorus, silicon and/or boron, B is molybdenum and/or tungsten and x is 2 or more, 2.5 or more, or 3 or more depending on whether A is respectively phosphorus, silicon or boron. The catalysts thus obtained are useful for hydro-treating hydrocarbon feedstocks.

Abstract: A process is provided for treating mineral hydraulically or non-hydraulically setting coating agent and binder compositions using water-redispersible powders wherein one or more organopolymer powders and one or more organosilicon powders are added to the dry coating agent and binder composition.

Abstract: The invention provides a method for producing bitumen/polymer compositions which consists of contacting, between 100.degree. C. and 230.degree. C. and under agitation, a bitumen or a mixture of bitumens with at least one styrene and butadiene copolymer having a global butadiene content ranging between 50% and 95 wt. % and a content of butadiene 1,2 double-bond structural units ranging between 12% and 50 wt % of the copolymer, and, preferably, also a sulphuring coupling agent or a functionalizing agent. The bitumen/polymer compositions are usable, directly or after dilution, for forming bitumen/polymer binders for surfacing materials.

Abstract: An evaporator is provided for the evaporation of metal, which has a cross-sectional area in the region from which evaporation of the metal takes place which is greater than the corresponding cross-sectional area of a triangular evaporator of the same width and height and has, in the specified region, a smaller minimum circumference than a rectangular evaporator having the same width and height.

Abstract: The invention relates to a flash TV evaporator for the evaporation coating of cathode ray tubes with aluminium, having a cavity from which the aluminium is evaporated when a current flows through the flash TV evaporator, wherein the width of the cavity tapers from the upper edge of the evaporator to the lower edge of the evaporator.

Abstract: A metallic base gasket coated with elastic membrane having an outer sealing portion for sealing an outer circumference of a refrigerant compressor and an inner sealing portion for sealing boundaries between high and low pressure regions within the compressor, the outer and inner sealing portions being formed in an elastically deformable ridge, and at least one section of the ridge of the inner sealing portion being trifurcatedly connected to a portion of the ridge of the outer sealing portion to have a geometrical arrangement in which apex lines of the connected three ridges are equiangularly spaced apart from one another with respect to the center of the trifurcated connection of the ridges. The gasket may have an extended flat or curved face portion at the trifurcatedly connected ridges to permit the apexes of the connected ridges lie in the extended flat or curved face portion.

Abstract: A refrigerant compressor having a drive shaft rotatable to cause compression of a refrigerant gas, and a drive power transmission unit for transmitting a drive power from an external drive power source to the drive shaft, the drive power transmission unit having a pulley freely rotatably mounted around the drive shaft, a power transmitting element fixed to the drive shaft, and a shock absorbent rubber element arranged between the pulley and the power transmitting element for providing a positive engagement between the rubber element and the pulley, and between the rubber element and the power transmitting element.

Abstract: A method is provided for preparing fully lattice-inserted titanium zeolites by post-synthesis processing of the synthetic zeolite optionally containing titanium with an inorganic acid, wherein the post-synthesis processing comprises processing the zeolite in the presence of at least one titanium source with a solution containing at least one oxidizing inorganic acid having a higher redox potential than an acidic tetravalent titanium solution. The invention is also directed to the use of the zeolites.

Abstract: A crosslinkable powder composition is provided which is redispersible in water and comprisesa) from 30 to 95 parts by weight of one or more water-insoluble, film-forming polymers of free-radically polymerizable, ethylenically unsaturated monomers, where from 0.5 to 10% by weight of the monomers, based on the total weight of the polymer a), are ones having one or more substituents selected from the group consisting of aldehyde, keto, epoxide, isocyanate, carboxylic anhydride and aziridine groups,b) from 5 to 70 parts by weight of one or more water-soluble, film-forming polymers, where the parts by weight of a) and b) add up to 100 parts by weight, andc) one or more compounds containing at least two functional groups which are present in salt form and are selected from the group consisting of amines, hydrazides, hydroxylamine esters, aryl- and alkylhydrazines or -hydrazones.

Abstract: A mop includes a handle; and a mop head secured to the lower end of the handle, the mop head including a main body of a generally rectangular parallelepiped configuration and having a lower surface, extensions formed at opposite sides of the main body to form first and second shoulders, each extension having a lower surface which is parallel and coplanar with the lower surface of the main body, a foam pad secured to a lower surface of the main body, first and second U-shaped hold down bars pivotally arranged on the main body, the hold down bars releasably engaging and holding down a piece of material which is wrapped about the foam pad by engaging ends of the piece of material on the first and second shoulders, and a releasable lock down assembly which releasably holds the first and second hold down bars on the first and second shoulders, respectively, the lock down assembly including protrusions extending from the main body to secure the hold down bars to the main body and to releasably lock the hold down ba

Abstract: A catalyst for improving combustion of fluid fuels which comprises three layers. An inner or core layer of complex oxides of a mixture of Mn, Ni, Co and Cu; an intermediate layer containing alumina and silicate and optionally silicon carbide and an outer layer comprising a fired mixture of a Pt--Pd,Rh alloy on Al.sub.2 O.sub.3, Mo--Al.sub.2 O.sub.3, mixed oxides of La--Sr--Co and at least one of Vanadium oxide on alumina and Ag on Alumina. The catalyst can contact the fluid fuel in a storage tank, in a pipeline or in a combustion chamber. The invention also comprises combustion engines which incorporate the described catalyst.

Abstract: An electrolyte solution for a lithium secondary battery comprises a nonaqueous solvent and a fluorine-containing electrolyte capable of dissociating into lithium ions, wherein the content of HF in the electrolyte solution is less than 30 ppm.

Abstract: A protein is provided derived from human fibroblast having an N-terminal amino acid sequence represented by SEQ ID NOS: 1 and 2, having a molecular weight of approximately 15kD under reducing and non-reducing conditions by (dosium dodecyl sulfate-polyacrylamide gel electrophoresis), and having an activity to stimulate growth of osteoblast. The protein is produced by gene engineering procedures, contains the amino acid sequence represented by SEQ ID NO: 9 and has osteoblast growth activity. Also provided is a method for preparing the protein by culturing human fibroblast and treating the conditioned medium for purification. The protein is utilized for the treatment of diseases characterized by decreased bone mass such as osteoporosis or is utilized as an antigen for immunological diagnosis of diseases.