Abstract: A new class of compounds, the alkyl 9-alkoxy-7-nonenoates, is disclosed. These compounds are important intermediates in the synthesis of sebacic acid.

Abstract: A solid state thyristor bridge inverter power supply for an ozonator in which the width and the amplitude of the ozonator current can be controlled and the ozonator voltage can be selectively reset. The power supply circuit includes a diode bridge rectifier for converting a commercial AC power main into a direct current power source which is coupled to a current source DC/AC inverter through a inductor and a current detecting circuit. A current amplitude control circuit controls the output current of the DC power source by comparing the output of the detecting circuit with a reference set point. Logic circuits are provided for controlling the frequency and the width of current pulses applied to the ozonator.

Abstract: Copolymerization of ethylene and a C.sub.3 -C.sub.20 alpha-monoolefin at high temperature gives a low density polyethylene having a density of between 0.91 and 0.93 g/cc. The copolymerizations are accomplished with a catalyst made by co-comminuting an anhydrous magnesium halide, an anhydrous aluminum halide, a titanium compound, and at least one electron donor, and a cocatalyst comprising a synergistic mixture of an alkyl aluminum chloride and an oxygen-containing aluminum compound having oxygen attached to at least one aluminum valence.

Abstract: A process for converting an alkoxyalkadiene to an alkyl dialkoxyalkanoate is disclosed. The process involves contacting an alkoxyalkadiene with carbon monoxide and an alkanol in the presence of a catalytically effective amount of a cobalt catalyst.

Abstract: A versatile pulsed voltage resonant inverter power supply for an ozonator which results in the efficient operation thereof. A resonant inverter ozonator power supply comprises a DC power source and a DC/AC thyristor inverter coupled at its outputs to the primary winding of a high voltage transformer. The ozonator load is connected across the secondary winding of transformer and provides a discharge path during each high frequency cycle. First and second embodiments of control circuits are disclosed for generating gating control signals for the thyristors. The switching frequency at which the thyristors are triggered is selected to be lower than the circuit resonant frequency in order that the load voltage supplied by the inverter is substantially pulsed, and a pulse burst modulation mode is also disclosed.

Abstract: A method is disclosed for the production of esters by reaction of an alkyl acyclic allylic ether such as 8-methoxy-1,6-octadiene with carbon monoxide in the presence of a halide of nickel, cobalt or iron as a catalyst and especially nickel iodide for the production of esters. Carbonylation of 8-methoxy-1,6-octadiene results in the production of methyl-3,8-nonadienoate; 2-(carbomethoxymethyl)-vinylcyclopentane; 2-(carbomethoxymethyl)-6-vinylcyclohexanone and 2-carbomethoxymethylbicyclo(3.3.0)-octan-3-one.

Abstract: An apparatus and process for the extrusion of linear low density polyolefins. The apparatus comprises an extruder die including a cylindrically shaped central opening; and a die pin held within the central opening and forming, with the extruder die, an extrusion inlet and an extrusion outlet. The extruder die and the die pin also form a relaxation zone to receive a polyolefin conducted through the extrusion inlet and to relieve stresses in the polyolefin; a compression zone to receive the polyolefin from the relaxation zone and to compress the polyolefin into a tubular shaped film; and a stabilization zone to receive the polyolefin from the compression zone, to stabilize the shape of the tubular film, and to conduct the tubular film to the extrusion outlet.

Abstract: Crystalline palladium or platinum ferrometallosilicate compositions are prepared from a silica-containing mixture by digesting a reaction mixture comprising (a) a tetraalkylammonium compound, (b) a sodium hydroxide, (c) a titanium compound, an aluminum compound, or a manganese compound, (d) an oxide of silicon, (e) an iron ion source, (f) optionally, a chelating agent and (g) water to provide a crystalline ferrometallosilicate which is then palladium or platinum ion-exchanged. Conversion of synthesis gas to low molecular hydrocarbons with high C.sub.2 -C.sub.3 alkanes selectivity employing these new ferrometallosilicates as catalysts is also disclosed.

Abstract: A vinyl polymer composition comprising a vinyl polymer, a heat stabilizer, an impact modifier and an ethylene-vinyl acetate copolymer having improved impact resistance is disclosed. A process for forming the vinyl polymer composition is also set forth. In this process an improved processing aid, an ethylene-vinyl acetate copolymer, is blended with a vinyl polymer, a heat stabilizer and an impact modifier.

Abstract: Balsamic fragrance compositions having fruity, fir needle notes with the character of fir balsam absolute are produced by reacting camphene, and ethylhaloacetate and di-t-butyl peroxide; reacting the mixture obtained therefrom with zinc and water; vacuum distilling the resulting product; and collecting a specified fraction.

Abstract: 9-methoxy-7-nonenal may be isomerized in the presence of methanol and ruthenium chloride to provide 1,1,9,9-tetramethoxynonane. The rates of reaction are increased by pre-formation of 1,1,9-trimethoxy-7-nonene and removal of the water generated prior to conducting the isomerization reaction.

Abstract: An intermetallic compound is disclosed formed by(a) mixing a compound having the structural formula R(R')Mg where R and R' are the same or different and are hydrocarbyl of 1 to 10 carbon atoms with a compound having the structural formula R.sup.1.sub.m Si(OR.sup.2).sub.n X.sub.4-(m+n) where R.sup.1 and R.sup.

Abstract: An improved process for the wet oxidation of malodorous gases obtained from sewage sludge drying operations is provided. Organic-enriched water having an oxygen demand of at least 5 mg per liter is utilized for the process.

Abstract: Novel high pore volume, high purity alumina gels and catalysts prepared therefrom are provided by a unique alumina gel preparation comprising hydrolyzing an aluminum alcoholate in a medium of a mixture of water and acetone, aging the resultant product and thereafter washing with acetone. Processes for the polymerization of olefins utilizing the afore-described alumina gels are also included herein.

Abstract: A method is disclosed for controlling the activity of or deactivating a transition element olefin polymerization catalyst by contacting the catalyst with a deactivating polymer comprising a homopolymer of an unsaturated polar organic compound or a copolymer of an alpha-olefin and an unsaturated polar organic compound.

Abstract: A process for the telomerization of a conjugated alkadiene with an alkanol is disclosed for the production of an organo-oxyalkadiene. A palladium catalyst having a phosphine or stibene ligand is employed in a substantially oxygen-free environment and in the presence of a high boiling solvent so that the reaction products may be separated from the catalyst by distillation. Vacuum fractional distillation is a preferred method for separating the products.

Abstract: Ethylene-acrylic acid copolymers or salts thereof are prepared by first preparing an ethylene-alkyl acrylate copolymer, saponifying such ethylene-alkyl acrylate copolymer in the molten state, in the absence of solvent or water other than by-product alkanol, with selected metal hydroxides to form alkanol and a salt, or an ionomer, of ethylene-acrylic acid copolymer, and optionally acidifying such salt to form ethylene-acrylic acid copolymer.

Abstract: 2,3-Dihydrofurans having highly desirable odor characteristics closely mimicking that of natural products are provided herein. The 2,3-dihydrofurans correspond to the formula ##STR1## wherein R' is an alkyl group having from 1 to 4 carbon atoms, R** is an alkyl group having from 1 to 5 carbon atoms, R.sub.1 is an alkyl group having from 1 to 4 carbon atoms, R.sub.2 is hydrogen or an alkyl group having from 1 to 6 carbon atoms, and R.sub.3 and R.sub.4 are hydrogen or a methyl group. The 2,3-dihydrofuran compounds are useful in the preparation of fragrance compositions and fragranced articles and can be employed in conjunction with known fragrance materials to augment or enhance the aromas thereof.

Abstract: The hydroformylation of olefins to produce aldehydes is disclosed employing an ionic metal complex catalyst where the ionic charge is on either the metal or on a ligand in a polar solvent followed by extracting the aldehyde by means of a hydrocarbon solvent to minimize any deleterious effect on the catalyst which can occur when the aldehyde is separated by other means such as distillation.

Abstract: An intermetallic compound is disclosed. The compound is formed by reacting a first reaction product, the first reaction product being the product of reaction of a polymeric transition metal oxide alkoxide with a reducing metal having a higher oxidation potential than the transition metal, the polymeric transition metal oxide alkoxide being the product of the controlled partial hydrolysis of a transition metal alkoxide, with a first halide activator to produce a second reaction product. The second reaction product, in turn, is reacted with a second halide activator to form the intermetallic compound. The intermetallic compound is useful as a catalyst component in a catalyst system for the polymerization of alpha-olefins. The catalyst system includes, in addition to the intermetallic compound, a cocatalyst, an organic compound which includes an element selected from the group consisting of aluminum and boron.