Abstract: A seal for a rolling bearing rotary joint consisting of two race rings disposed concentrically inside one another and between which rolling members roll, one race ring projecting axially beyond the other race ring and carrying an elastic gasket in this part projecting beyond the other race ring, the gasket being disposed in a peripheral groove which is open towards the other race ring and bearing slidingly against the other race ring, characterized in that the elastic gasket (7) has an axial sealing lip (8) bearing against the end face (9) of the other race ring (1) which has an axially outwardly extending peripheral collar (11) between the point of contact of said sealing lip and its surface facing the one race ring (2), against which peripheral collar (11) there bears a second radially acting sealing lip (10) of the elastic gasket (7).

Abstract: A rolling bearing for longitudinal movements of limited slide path for guiding a rectangular cross-section bar comprising an outer element, an inner element and rows of balls rolling between said elements, the outer element on whose bore wall the balls roll being insertable into a cylindrical housing bore and the inner element, being provided with straight, axially extending inner ball races and at least partially surrounding the rectangular cross-section bar, bears against the bar by the back of its ball races, characterized in that the outer element is formed as a cylindrical tube section and the inner element is connected to the bar to form a structural unit so that it is retained on the bar in its position required for operation and a cage retaining the balls at the inner element is provided which cage forms a structural unit with the inner element.

Abstract: A process for the preparation of aqueous polymer dispersions comprising polymerizing compounds with unsaturated ethylenic bonds at a temperature of 10.degree. to 100.degree. C. in the presence of an at least partially water-soluble free-radical initiator and at least one water-soluble protein and optionally present conventional adjuvants with the starting mixture containing not more than 40% of the total monomers and the remaining monomer being added by metering during the polymerization, the initiators being at least one member of the group consisting of ketone peroxides and organic hydroperoxides in an amount of at least 30 mmol per kg of total monomer mixture and optionally present water-soluble reducing agents and the amount of protein being at least 3% by weight based on the total monomer weight and at least 30% by weight is added during the polymerization and the isoelectric point of the protein is not reached or exceeded during polymerization.

Abstract: Novel isomers and mixtures thereof of cyclopropane carboxylic acid derivatives with a 3-unsaturated side chain of the formula ##STR1## The double bond having Z or E geometry and having insecticidal and nematocidal activity as well as plant and animal acaricidal activity.

Abstract: In a process for the preparation of reinforced vulcanisates by vulcanisation of compositions comprising natural rubber or synthetic diene rubber with novolak resins in the presence of from 0.5 to 120% by weight, based on the novolak resin, of a hardener of a reactive melamine resin obtained by reacting melamine with 0.5 to 6 mol of an aldehyde the improvement comprises that, instead of or together with the reactive melamine resins other aminoplast forming compounds containing hydroxy groups are used and the total amount of the aminoplast-forming compounds is also from 0.5 to 120% by weight, referred to novolak resin, a rubber article and vehicle tire prepared according to this process.

Abstract: An electronic valve control apparatus for operating a valve device connected to a water supply pipeline for spraying water over the field or land comprising: a solar battery; a secondary battery charged therefrom; an electronic clock; a calendar circuit; a logic circuit which delivers output valve control signals in response to a predetermined schedule; and a valve driving circuit which controls the valve device.

Abstract: Novel ethers of organic compounds containing chiral atoms of the formula ##STR1## wherein A is a hydrocarbonated chain of 1 to 10 groups, the said chain containing one or more heteroatoms, one or more unsaturations, the assembly of the groups constituting the chain may represent a mono- or polycyclic system, including a system of the spiro or endo type, the chain A can contain one or more chiral atoms or the lactone moiety can present a chirality due to the dissymmetric spatial configuration of the whole of the molecule and Z is selected from the group consisting of primary, secondary or tertiary alcohol moiety containing at least an asymmetric carbon atom, a phenol moiety substituted comprising at least one asymmetric carbon atom and a substituted alcohol or phenol moiety with a chirality due to the dissymmetric spatial configuration of the whole of the molecule, with the proviso Z is not (R) or (S) .alpha.

Abstract: A method of processing a silver halide color photographic material is disclosed. The material is treated with a bleach-fixing solution or a fixing solution, and then, without washing with water, treated with a stabilizing solution incorporating a water-soluble chelate compound of at least one metal selected from the group consisting of Ba, Ca, Ce, Co, In, La, Mn, Ni, Pb, Ti, Sn, Zn and Zr and the group consisting of Mg, Al and Sr.

Abstract: Novel 3-(1,2-propadienyl)-cyclopropane-carboxylates of the formula ##STR1## wherein R is alcohol used in pyrethrinoid synthesis, X and Y are both hydrogen or individually halogen or X is hydrogen or halogen and Y is alkyl of 1 to 18 carbon atoms or halogen or X is hydrogen or halogen or alkyl of 1 to 18 carbon atoms and Y is --COOR' or --CN or ##STR2## R' is alkyl of 1 to 18 carbon atoms, R.sub.2 and R.sub.3 are individually hydrogen or alkyl of 1 to 18 carbon atoms or R.sub.2 and R.sub.3 together with the nitrogen atom form a heterocycle having pesticidal properties.

Abstract: An aqueous primer based on alkali-soluble acrylic resins and siliconates, especially suitable for strongly alkaline substrates, for example, asbestos cement articles, is provided. The primer is characterized by stability to storage and good compatibility with the substrate and with customary coating agents, and it brings about good water repellence, good stabilization of the substrate and a good binding between the substrate and the final coating.

Abstract: Novel imino derivatives of esters of 3-formyl-cyclopropane-1-carboxylic acids in their various isomeric forms and mixtures thereof of the formula ##STR1## wherein Z is an organic residue of a primary amine of the formula Z--NH.sub.2 and the acid moiety may have the cis or trans configuration and the alcohol moiety may have the R,S or RS configuration, novel intermediates therefore and a process for the preparation of the corresponding 3-substituted vinyl esters having insecticidal activity.

Abstract: A process for the spinning of synthetic fibers comprising dissolving at least one polycondensation product of at least one polyfunctional phenol component with the phenolic groups attached to a central carbon atom so they are hindered in their free rotation and at least one polyfunctional carboxylic acid chloride having an inherent viscosity .eta. inh greater than 0.5 dl/g in a solvent with a boiling point less than 100.degree. C. to form a spinning solution, forcing the spinning solution through spinning nozzles into a liquid precipitant for fiber formation at a temperature at least 8.degree. C. less than the solvent boiling point to withdraw the majority of the solvent from the fibers, stretching the resulting fibers to 2 to 6 times their length and removing the residual solvent.

Abstract: A process for the preparation of aqueous polymer dispersions comprising polymerizing vinyl esters and up to 50% by weight of the total monomer of compounds with unsaturated ethylenic bonds at a temperature of 10.degree. to 100.degree. C. in the presence of an at least partially water-soluble free-radical initiator and at least one starch member of the group consisting of cyanalkylated starch, hydroxyalkylated starch and carboxyalkylated starch and optionally present conventional adjuvants with the starting mixture containing not more than one-third of the total monomers and the remaining monomers being added by metering during the polymerization, the initiators being at least one member of the group consisting of hydrogen peroxide and organic hydroperoxides in an amount of at least 30 mmol per kg of total monomer mixture and optionally present water-soluble reducing agent and the amount of starch being at least 1% by weight based on the total monomer weight.

Abstract: Novel imidazo[1,2-a]pyrimidines of the formula ##STR1## wherein R is selected from the group consisting of alkyl of 1 to 8 carbon atoms, alkenyl of 2 to 8 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, cycloalkylalkyl of 4 to 12 carbon atoms, aryl of 6 to 12 carbon atoms, thienyl and pyridyl, each of said group being optionally substituted with at least one member of the group consisting of halogen, alkyl of 1 to 5 carbon atoms, alkoxy and alkylthio of 1 to 5 carbon atoms, trifluoromethyl, amino, alkylamino of 1 to 5 alkyl carbon atoms and dialkylamino with alkyl of 1 to 5 carbons atoms, R.sub.1 and R.sub.

Abstract: Novel 19-nor steroids and 19-nor-D-homo-steroids of the formula ##STR1## wherein R.sub.1 is an organic radical of 1 to 18 carbon atoms containing at least one atom selected from the group consisting of nitrogen, phosphorous and silicon with the atom immediately adjacent to the 11-carbon atom being carbon, R.sub.2 is a hydrocarbon of 1 to 8 carbon atoms, X is selected from the group consisting of a pentagonal ring and a hexagonal ring optionally substituted and optionally containing a double bond, B and C together form a double bond or an epoxy group, the C.dbd.A group at position 3 is selected from the group consisting of C--O, ketal, which may be open or closed ##STR2## --C.dbd.NOH, --C--NOAlK.sub.3 and C--CH.sub.2, AlK.sub.1, AlK.sub.2 and AlK.sub.3 are selected from the group consisting of alkyl of 1 to 8 carbon atoms and aralkyl of 7 to 15 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts having anti-glucocorticoid activity and a process for their preparation.

Abstract: An organic, high-molecular weight polyester containing substantially chain members of the formula--O--X--O--Y--wherein X is at least one member of the group consisting of ##STR1## and Y has the formula ##STR2## having an inherent viscosity of at least 1.0 dl/g, preferably at least 1.2, dl/g measured at 30.degree. C. in a solution of 0.5 g of the polyester in 100 ml of a mixture of 60% by weight of phenol and 40% by weight of 1,1,2,2-tetrachloroethane and whose films cast from a chlorinated organic solution have an elongation at break of at least 10%, preferably at least 20%, measured according to ASTM D-882-75 b with the proviso that if the inherent viscosity is between 1.0 dl/g and 1.5 dl/g, Y is a mixture of 70 to 30% of terephthalic acid and 30 to 70% of isophthalic acid having excellent properties for electrical insulation as well as other fields.

Abstract: A compound selected from the group consisting of: 3-amino-.DELTA..sup.5 -pregnenes of the formula I: ##STR1## wherein X is selected from the group of ##STR2## the wavy lines indicate that the group may be in the .alpha.-or .beta.-position, R.sub.1 is selected from the group consisting of hydrogen and hydroxyalkyl or 2 to 5 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen, hydroxyalkyl of 2 to 5 carbon atoms, acyl of an aliphatic carboxylic acid of 3 to 8 carbon atoms, alkoxycarbonyl of 2 to 8 carbon atoms, acyl of an .alpha.-amino-carboxylic acid or from a peptide of 2 to 3 amino acids of which amines may be either unsubstituted or mono-or disubstituted with alkyl of 1 to 5 carbon atoms with the proviso that R.sub.1 and R.sub.2 are not both hydrogen and that if the 3-amino group is in the .beta.-position, (i) when X is ##STR3## R.sub.1 and R.sub.2 are not both hydroxyethyl or (ii) when X is ##STR4## and R.sub.1 is hydrogen, R.sub.

Abstract: An electrolysis cell comprising a cell housing containing at least one set of gas and electrolyte permeable electrodes, respectively an anode and a cathode separated by an ion permeable diaphragm or membrane, means for introducing an electrolyte to be electrolyzed, means for removal of electrolysis products and means for impressing an electrolysis current thereon, at least one of the electrodes being pressed against the diaphragm or membrane by a resiliently compressible layer co-extensive with the electrode surface, said layer being compressible against the diaphragm while exerting an elastic reaction force onto the electrode in contact with the diaphragm or membrane at a plurality of evenly distributed contact points and being capable of transferring excess pressure acting on individual contact points to less charged adjacent points laterally along any axis lying in the plane of the resilient layer whereby the said resilient layer distributes the pressure over the entire electrode surface, the said resilien

Abstract: Novel 3-formyl-4-methyl-pent-3-ene-1-oic acid of the formula ##STR1## and a process for its preparation and intermediates and a process for the preparation of compounds of the formula ##STR2## wherein W is selected from the group consisting of hydrogen and R.sub.1 of an optionally chiral alcohol R.sub.1 OH, useful as an intermediate for the producton of numerous ester having elevated insecticidal activity.

Abstract: Novel light-stable pyrethrinoid pesticidal compositions comprising (a) at least one liquid vehicle, (b) at least one surface-active agent soluble in the said liquid vehicle, (c) at least one azodyestuff stabilizer selected from the group consisting of a mixture of 1-[{4-(phenylazo)-phenyl)}-azo]-3-naphthalenol and 4-[{4-(phenylazo)-phenyl}-azo]-phenol (a component of Scarlet R), 1-[4-(4-phenylazo-phenyl)-azo]-naphthalene (Red organol BS), 1-[{2-methyl-4-(2-methylphenylazo)-phenyl}-azo]-2-naphthalenol (Red Sudan IV), 1-[(2-methoxyphenol)-azo]-2-naphthaphenol (Vermillion organol); 1-[(1-naphthalenyl)-azo]-2-naphthalenol (Scarlet 2R for fat), 1-(phenylazo)-2-naphthalenol (Sudan I), 1-[(2-hydroxy-4-methyl-phenyl)-azo]-2-naphthalenol (Sudan II), 1-[{dimethyl-4-[(dimethyl)-phenyl]-azo}-phenylazo]-2-naphthalenol (Red to fat 5B), N-ethyl-1-[{4-(phenylazo)-phenyl}-azo]-2-naphthalenylamine (Red to fat 7B), 1-[{1-naphthalenyl}-azo]-2,4-benzene-diamine (Brown RR to fat), 2-[(2-methoxyphenyl)-azo]-phenol (Red to fat G), d