Abstract: Cyclohexane derivatives of the formula IR.sup.1 --A.sup.1 --Z.sup.1 --A.sup.2 --R.sup.2 IwhereinR.sup.1 and R.sup.2 are each H or an alkyl group which has 1-10 C atoms and in which one or two non-adjacent CH.sub.2 groups can also be replaced by 0 atoms and/or --CO-groups, and/or --CO--O-- groups and/or --CH.dbd.CH-- groups, or are F, Cl, Br, CN or R.sup.3 --A.sup.3 --Z.sup.2 --,A.sup.1 is --A--, A.sup.4 --Z.sup.o --A-- or --A--Z.sup.o --A.sup.4 --,A is a trans-1,4-cyclohexylene or 1,4-cyclohexenylene group which is unsubstituted or is monosubstituted or polysubstituted in the 2-, 3-, 5- and/or 6-position by F and/or Cl and/or Br and/or CN and/or an alkyl group or a fluorinated alkyl group each of which has 1-10 C atoms and in which one or two non-adjacent CH.sub.2 groups can also be replaced by 0 atoms and/or --CO-- groups and/or --CO--O-- groups, which trans-1,4-cyclohexylene or 1,4-cyclohexenylene group can optionally also be substituted in the 1-position and/or 4-position and one or two CH.sub.

Abstract: A peroxide-testing method using a reagent based on Ti(IV) compounds which contains, in a lower aliphatic alcohol having 1-5 C atoms, a compound TiX.sub.4 in which X is Cl or OR with R being an alkyl group having 1-5 C atoms, and where appropriate, up to 35% by weight of an acid which has a pK.sub.a value not exceeding 5. The method is useful for the determination of peroxides in both aqueous and organic solutions since the reagent is miscible with the sample solution to produce a homogeneous phase.

Abstract: A foamable, gelable and heat-vulcanizable composition for the manufacture of latex foam having, e.g., the following properties:(a) the indentation hardness must be sufficiently high;(b) the pore structure is to be uniformly fine for an adequate layer thickness,comprises a mixture of a rubber latex and a filler/rubber powder, a vulcanizing agent and conventional additives.The latex foams according to the invention are excellently suited as vibration damping materials, the mass to volume ratio and correspondingly the hardness being adjustable depending on the intended use to a high or low value.

Abstract: The invention relates to a bone cement based on physiologically tolerated polymers, the incorporation of acoustic perturbation elements having a sound resistance differing from that of the polymer making it possible, in the case of a necessary re-operation, to disrupt the bone cement by the application of acoustic waves to such an extent that it can easily be removed from the implant location.

Abstract: Compounds of the general formula I ##STR1## wherein Z is CR.sup.1 R.sup.2 (OR.sup.3) or phenyl,R.sup.1 being H, C.sub.1-6 -alkyl or phenyl,R.sup.2 being H, C.sub.1-6 -alkyl or C.sub.1-6 -alkoxy andR.sup.3 being H, C.sub.1-6 -alkyl or C.sub.1-6 -alkanoyl andZ' is Y--[(CH.sub.2).sub.m --X].sub.n --,X being CH.sub.2 or 0,Y being OH; COOH or SO.sub.3 H including the alkali metal, alkaline earth metal or ammonium salts thereof and also the salts thereof with organic nitrogen bases; or NRR' in which R and R' are in each case H, C.sub.1-20 -alkyl or C.sub.1-4 -hydroxyalkyl, if appropriate quaternized or in the form of the acid addition salts, andn and m each being the numbers 1-4,are excellently suitable as photoinitiators for the photopolymerization of ethylenically unsaturated compounds, in particular in aqueous systems.

Abstract: (2-Haloergolinyl)-N',N'-diethylurea derivatives of Formula I ##STR1## and the salts thereof, wherein R is hydrogen, alkyl of up to 6 carbon atoms, or alkenyl of up to 3 carbon atoms,X is halogen, ##STR2## is a CC single or CC double bond, and the urea residue in the 8-position can be in the .alpha.- or .beta.-configuration, have neuropsychotropic properties.As a result, they are excellently suitable for treatment of psychotic disturbances and emesis.

Abstract: 13-oxabicyclo[10.3.0]pentadecane, a valuable ambergris fragrance, is prepared by reacting cyclododecanone with cyanoacetic acid in the presence of a Knoevenagel catalyst to form cyclododecenylacetonitrile, the nitrile is hydrolyzed to cyclododecenylacetic acid, and the acid is cyclized to the lactone, and the lactone is reduced to the corresponding diol which is cyclized to 13-oxabicyclo[10.3.0]pentadecane.

Abstract: Process for eliminating jointly arsenic and carbon oxysulfide from an unsaturated hydrocarbon cut, wherein said hydrocarbon cut is contacted with an absorbing mass containing a support and lead oxide, comprising contacting the hydrocarbon cut in the liquid phase.

Abstract: The invention provides an immunizing agent or preparation e.g. a vaccine for parenteral administration comprising particles of coalesced and covalently interlinked physiologically compatible proteinaceous molecules and, entrapped in these particles, an immunogen adapted to be released by the gradual proteolysis of the particles and, when so released, being of sufficient size to elicit an immuno response to characteristic immunogenic determinants of the immunogen. The proteinaceous molecules are preferably homotypic for the animal to be immunized. Preferably, the particles or molecules carrying the immunogenic determinants are crosslinked to the proteinaceous molecules.

Abstract: Diagnostic media suitable for NMR diagnoses contain compounds of Formula I ##STR1## wherein is a single bond or a double bond, X is the grouping --(CH.sub.2).sub.n -- or, if is a single bond, also the grouping --NHCO(CH.sub.2).sub.n -- wherein n means 0 to 4,m means the numbers 0, 1, or 2,R.sub.1 is an alkyl residue substituted by hydroxy groups, acyloxy groups and/or alkylidenedioxy groups,R.sub.2 has the same meanings as R.sub.1 or is a hydrogen atom or an alkyl residue,R.sub.3 and R.sub.4 are alkyl residues, andR.sub.5 and R.sub.6 are alkyl residues optionally substituted by hydroxy groups.

Abstract: An adhesive resin composition comprising (a) an expoxy resin, (b) a curing agent therefor, and (c) an aluminum orthophosphate-zinc compound rust inhibiting pigment. When applied to the assembly of car body components, the composition assures improved bond strength and corrosion resistance.

Abstract: Carbon bonded carbon fiber composites are useful to minimize or eliminate volatility, splashing and losses (e.g., due to the effect of applied forces) of liquids in containers, especially of liquid cryogens in dewars. They are also useful as getters for gaseous contaminants, including radon, tritium, etc.

Abstract: A silicone grease composition composed of an organopolysiloxane fluid and a thickneing agent is admixed with from 0.5 to 20% by weight of a copper dialkyl dithiocarbamate or, in particular copper diethyl dithiocarbamate as a lubrication improving agent so that the grease composition is imparted with greatly improved boundary lubrication under extreme-pressure conditions between steel and steel as well as improved thermal stability.

Abstract: This process comprises injecting a non-hydrolyzed acrylamide polymer or copolymer into the producing formation and producing hydrolysis thereof in situ by subsequent injection of an alkali metal basic compound. It is then possible to restart the well in oil or gas production.

Abstract: 13alpha-alkylgonan-delta.sup.9(11) -5,10 epoxides of the formula ##STR1## in which R is a hydrogen, methyl or ethyl andZ is a ketal or thioketal group effective as a keto-blocking group, are provided by a process wherein a compound of the formula ##STR2## in which R and Z are as defined above, is irradiated with active ultraviolet radiation.

Abstract: Impact-resistant polyamide molding compound consisting of a mixture ofA. 60 to 98% by weight of a polyamide andB. 2 to 40% by weight of a polyalkenamer, wherein the mixture is treated at elevated temperatures with 0.05 to 5% by weight of the sum of components A and B of an organic radical former are provided as well as processes for making them.

Abstract: A process for preparing a 3-oxo-.DELTA..sup.1,4 -steroid comprises fermenting the corresponding 3-oxo-.DELTA..sup.4 -steroid, saturated in the 1,2-position, witih a living culture of Arthrobacter simplex in the presence of 0.04 g to 0.12 g of cobalt(II) ions per liter of culture broth.

Abstract: Compositions of olefin polysulfides having an increased solubility in mineral oils and in synthetic oils, particularly of the hydrogenated polyalphaolefin (P.A.O.) type, are disclosed.They are prepared more particularly by reacting a sulfur monochloride with a monoolefin (e.g. isobutene) so as to form an addition product, called an adduct, which is then reacted with an alkali metal or ammonium polysulfide, obtained, for example, by reacting a mercaptan with an alkali hydroxide or ammonia in the presence of elemental sulfur. These compositions of olefin polysulfides can be used as extreme-pressure additives in gear-oils or in metal-working oils.

Abstract: The invention relates to a process for the separation of granulate materials, in extruded form of different lengths and of the same or different diameter. It is characterized by the use of a helicoidal vibrating elevator subjected to vibrations whose amplitude is chosen so as to cause on the threads of the spiral on the one hand the ascending flow of all the particles and on the other hand the recovery of the finest particles on the outer edge of the upper thread of the spiral and the largest particles on the inner edge of the upper thread of this spiral.

Abstract: For characterizing a catalyst, particularly a catalyst useful in refining of oil residues, by determination of its conversion and coking activities, the steps of:(a) impregnating the catalyst with a hydrocarbon mixture,(b) heating the impregnated catalyst, at a rate of temperature increase ranging from 2.degree. C./min to 50.degree. C./sec, under inert gas in a furnace. up to a temperature .theta..sub.2 ranging from 300.degree. C. to 380.degree. C. and measuring, by means of a hydrocarbon detector 4, a signal Q representative of the hydrocarbons generated during step b,(c) continuing the heating under the inert gas up to a temperature .theta..sub.3 ranging from 500.degree. C. to 1000.degree. C.