Abstract: Novel cephalosporins of the general formula (I); ##STR1## in which R is alkyl, L-2-amino-2-carboxy-ethyl, phenyl, pyridyl, pyridyl-N-oxide, pyrimidin-2-yl, substituted pyridazin-3-yl, 5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazin-3-yl substituted in the 4-position, 1,3,4-triazol-5-yl or 2-alkoxycarbonyl-1,3,4-triazol-5-yl substituted in the 1-position, 1,4-dialkyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazin-3-yl, 1-alkyl-5,6-dioxo-1,4,5,6-tetrahydro-1,2,4-triazin-3-yl, 2-alkyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl, triazol-5-yl, 1,3,4-thiadiazol-5-yl which is substituted or unsubstituted, 1,2,4-thiadiazol-5-yl which is substituted, 1,3,4-oxadiazol-5-yl which is substituted or unsubstituted, oxazol-2-yl which is substituted or unsubstituted or tetrazol-5-yl which is substituted or unsubstituted in the 1-position, R' is a hydrogen atom or a radical of the general formula (II); ##STR2## and R.sup.o is hydrogen, alkyl, vinyl or cyanomethyl, as well as their salts, are useful as anti-bacterial agents.

Abstract: A process for the carbonylation of methanol to produce acetaldehyde comprising reacting methanol in the presence of hydrogen, cobalt, ruthenium, at least one ionic halide, and at least one alkyl halide, the molar ratio Ru/Co being at most equal to about 2, and the cobalt concentration being at most about 50 milligram atoms per liter of reaction medium.

Abstract: A flexible, elastic, uniform polyurethane foam is cold foamed and set from a composition of matter comprising (i) a polyisocyanate, (ii) a polyether-polyol having a molecular weight ranging from 800 to 50,000 and at least 2.1 hydroxyl radicals per mol, of which hydroxyl radicals at least 35% are primary hydroxyl radicals, (iii) a stabilizing amount of an organosilicon stabilizer therefor, and (iv) a blowing agent; said organo silicon stabilizer being a triorganosilylated polypentaerythritol having the structural formula:(R.sub.3 SiOCH.sub.2).sub.4-a C{CH.sub.2 OCH.sub.2 C(CH.sub.2 OSiR.sub.3).sub.3 }.sub.awherein each R, which may be the same or different, is methyl, ethyl or vinyl, at least one R per each --SiR.sub.3 group being methyl, and further wherein a is 1, 2, 3 or 4.

Abstract: A coating or molding composition including a polyisocyanate, an unsaturated imide and an olefinically unsaturated comonomer copolymerizable with the unsaturated imide, and having a ratio of total isocyanate functions to total polymerizable double bonds in the imide in the range of from 0.3 to 15, is addition polymerized to hard, imide group containing polymers characterized by the recurring unit: ##STR1## Coatings and shaped articles formed from such polymers are hard, tough, thermally stable, solvent resistant and are good insulators.

Abstract: Perfumed compositions include, as an odorant therefor, an olfactory affecting amount of N,N-diethyl-2-ethylhexanamide.

Abstract: Aromatic hydrocarbons and particularly phenols and phenol ethers can be hydroxylated by reacting the aromatic compound with hydrogen peroxide in a reaction medium comprising trifluoromethanesulfonic acid. High yields of hydroxylated aromatic compounds are obtained by this process which avoids the use of extremely corrosive and difficult to handle agents. Phenol is hydroxylated predominantly to hydroquinone by this process.

Abstract: Oxalyl chloride is prepared by (i) first esterifying ethylene glycol with trichloroacetyl chloride, (ii) next photochemically chlorinating the ester which results from the step (i), i.e., ethylene glycol bis-trichloroacetate, and (iii) then decomposing the tetrachloroethylene glycol bis-trichloroacetate thus formed into the desired oxalyl chloride and trichloroacetyl chloride, said steps (i) and (iii) being conducted in the absence of any reaction solvent, other than the trichloroacetyl chloride, and the chlorination step (ii) being conducted at a temperature of from about 50.degree. to 200.degree. C.

Abstract: Novel imido copolymers, useful for the production of a variety of shaped articles, e.g., by molding, are prepared by reacting an oligoimide with an aromatic compound bearing labile hydrogen atom(s) on the nucleus thereof, or by co-reacting such oligoimide and aromatic compound with a polyamine.

Abstract: Aqueous latex base binder of a synthetic polymer for manufacturing tufted floor covering having improved wear-resistance. The content of hydrosoluble compounds dissolved in the aqueous phase in the latex is less than 0.5% by weight in relation to the polymer.

Abstract: Epoxides, e.g., ethylene and propylene oxides, are prepared from lower alkane-1,2-diols by dehydrating the corresponding diol, in liquid phase, under at least atmospheric pressure, and in the presence of at least one high-boiling organic carboxylic acid and at least one alkali metal or alkaline earth metal carboxylate.

Abstract: Aqueous latex base binder of a synthetic polymer for preparing aqueous compositions for coating paper and board for printing, having improved wet and dry tear strength. The content in the latex of hydrosoluble compounds dissolved in the aqueous phase is less than 0.5% by weight in relation to the polymer.

Abstract: Aqueous solutions of olefinically unsaturated hydrophilic monomers are deoxygenated, advantageously pH adjusted, and prepared for direct photopolymerization by photoinitiator addition and countercurrent scrubbing with an inert gas in a contactor column, preferably a packed column.

Abstract: New esters are provided by reaction of an ester of the formula: ##STR1## in the presence of a compound of rhodium and an alcohol with a 1,3-butadiene of the formula: ##STR2## in which R.sub.1 represents an alkyl radical having from about 1 to 6 carbons atoms,R.sub.2, R.sub.3, R.sub.5, R.sub.8 and R.sub.9, which are identical or different, are a hydrogen atom or an alkyl radical having from about 1 to 3 carbon atoms.R.sub.4, R.sub.6, and R.sub.7 represent a hydrogen atom or an alkyl radical having from about 1 to 3 carbon atoms, at least one of them being a hydrogen atom,R.sub.10, R.sub.11, R.sub.12, and R.sub.13 represent a hydrogen atom or an alkyl radical having from about 1 to 3 carbon atoms, at least one of them being a hydrogen atom,R.sub.14, R.sub.15, R.sub.16, and R.sub.17, which are identical or different, each represents a hydrogen atom or an alkyl radical.

Abstract: 37,454 RP of the formula: ##STR1## and its non-toxic salts with metals and nitrogen-containing bases possess anti-coccidial activity.

Abstract: Acetaldehyde is prepared by reacting methanol with a mixture comprising hydrogen and carbon monoxide, which mixture comprises at least 25 mol percent hydrogen, in the presence of cobalt, an ionic iodide and a halogen-containing promoter which is different from the ionic iodide. The reaction is best carried out at a temperature of at least 165.degree. C. and with a ratio of gram-ions of I.sup.- originating from the ionic iodide to gram-atoms of cobalt of at least 5 and a ratio of gram-atoms of halogen from the halogen-containing promoter to gram-ions of I.sup.- in the range of about 0.001 to about 0.

Abstract: A modular, constructional heating unit, useful, e.g., for the fabrication of interior partitions, is comprised of a panel member provided with at least one elongate rectilinear cavity, the longitudinal axis of such cavity being parallel to a face surface of the panel, said cavity being exteriorly communicating at one or both of its ends, and said cavity containing an electrical heating element.

Abstract: Liquid, non-flammable dielectric compositions especially adapted as insulators/coolants for transformers and the like, are comprised of an admixture of [i] a bromochlorobenzene and [ii] a polychlorobenzene, and, optionally, [iii] a diluent therefor.

Abstract: The invention relates to a new highly reactive alumina and the method of preparing it. The alumina is characterized by an amorphous structure and a specific surface of greater than 600 m.sup.2 /g. It is prepared by thermal decomposition of the double carbonate of aluminum and ammonium of the formula AlNH.sub.4 CO.sub.3 (OH).sub.2 at a temperature of between about 200.degree. and 500.degree. C.Aluminum hydroxychlorides of the formula Al.sub.2 (OH).sub.x Cl.sub.6-x can be prepared from it.

Abstract: A yield improved process for the preparation of orthohydroxybenzyl alcohols by esterifying a phenol with boric acid, next condensing the product of esterification with either formaldehyde or a formaldehyde-generating compound, thus effecting formulation of a boric acid ester of the desired ortho-hydroxybenzyl alcohol, and thence decomposing said ester to liberate the ortho-hydroxybenzyl alcohol therefrom, the improvement which comprises preparing the boric acid/phenol esters from at least 1.1 mols of the phenol per mol of boric acid.

Abstract: New thiazolo[3,2-c]-1,3-benzoxazine derivatives of the general formula (I), in which X is oxygen or sulfur, R.sub.1 and R.sub.2, which are identical or different, are hydrogen or halogen atoms or alkyl, alkoxy, alkylthio or trifluoromethyl radicals, in the 7-, 8-, 9- or 10-position, and R.sub.3 is a hydrogen atom or a carboxyl radical, their salts, if appropriate, their preparation and the medicaments in which they are present.These new derivatives are particularly useful as analgesic agents.