Abstract: Pressure sensitive structural adhesive and sealant compositions comprising: (a) a polymer system comprising from 95 to 15 percent by weight of a telechelic polymer and from 5 to 85 percent by weight of a heterotelechelic polymer wherein at least one of the functionalities thereon is the same as the functionality on the telechelic polymer, and (b) a dual curing system wherein one element of the curing system cures the telechelic polymer and the common functionality on the heterotelechelic polymer and the other element cures the functionality on the heterotelechelic polymer but does not cure under the conditions required to cure the telechelic polymer to form a structural adhesive or sealant composition. In a preferred embodiment, the polymer system is comprised of a hydroxyl functional telechelic diol or polyol polymer and the heterotelechelic polymer is a monohydroxylated polydiene polymer which also has epoxidized olefin functionality.

Abstract: Catalyst comprising a porous inorganic refractory oxide wherein the catalyst has:(a) a total pore volume in the range of from 0.2 to 0.5 ml/g,(b) a macroporosity of at least 0.1 ml/g,(c) a microporosity of at least 0.05 ml/g, and(d) a surface area of at least 5 m.sup.2 /g.Process for reducing the amount of solid contaminants and the amount or dissolved metallic contaminants, wherein a hydrocarbon oil containing such contaminants is contacted with hydrogen under hydrotreating conditions in the presence of the above catalyst.

Abstract: The invention relates to a process for the carbonylation of acetylenically unsaturated compounds, whereby a feedstock comprising an acetylenically unsaturated compound and a relatively minor amount of an 1,2-alkadiene compound is contacted under carbonylation conditions with carbon monoxide and a co-reactant, in the presence of a catalyst system, based on: a) a source of cations of one or more metals of Group VIII of the Periodic Table; b) a phosphine having an aromatic substituent which contains an imino nitrogen atom separated by at least one bridging carbon atom from the phosphorus atom, and c) a protic acid, characterized in that the catalyst system is further based on d) a monodentate monophosphine or monophosphite.

Abstract: The present invention provides a liquid hydrocarbon fuel composition comprising a major amount of a liquid hydrocarbon fuel and, as identifiable marker, a detectable amount of at least one C.sub.7-20 hydrocarbon containing at least one non-aromatic carbocyclic ring of at least 7 ring carbon atoms; and a method of modifying a liquid hydrocarbon fuel which comprises adding to the fuel, as identifiable marker, a detectable amount of at least one C.sub.7-20 hydrocarbon containing at least one non-aromatic carbocyclic ring of at least 7 ring carbon atoms.

Abstract: A process for the preparation of a copolymer of carbon monoxide with an olefinically unsaturated compound in which a powder of a copolymer of carbon monoxide with an olefinically unsaturated compound is suspended in a liquid diluent. The suspension is contacted with a catalyst composition which is soluble in the diluent and which is based on a Group VIII metal and a bidentate ligand. The catalyst composition is used in such a quantity that in the polymerization mixture more than 0.1 mmoles of the Group VIII metal is present per liter of liquid phase.

Abstract: A flexible joint is disclosed which comprises a first rigid wall portion, a second rigid wall portion, a flexible wall portion extending between the first and second rigid wall portions, the three wall portions defining a longitudinal passage through the joint and being arranged along the length of the passage, a sleeve secured at one end to the first rigid wall portion and extending through the passage so as to overlap the second rigid wall portion, the sleeve being spaced from the flexible wall portion and free to move relative to the second rigid wall portion. In a preferred embodiment, a layer of insulating material is provided on a surface of the sleeve while leaving the space between the sleeve and the flexible wall portion to be occupied by process fluid when in use. In another embodiment, the length of the portion of the sleeve overlapping the second rigid wall portion is at least five times the distance of the sleeve from the second rigid wall portion, as measured perpendicular to the sleeve.

Abstract: A non-water cooled burner is provided for preparation of synthesis gas by partial oxidation of hydrocarbon-containing fuel and an oxygen-containing gas applied as oxidiser. The burner comprises a burner head and an arrangement of passages or channels for feeding the fuel and oxidiser and optionally a moderator gas to a reactor. The burner head is provided with a non-ceramic lining or thin-walled mantle mounted at its one end on the burner head and its other end directed to the reactor and surrounding the passages. The non-ceramic lining is externally provided with a protection shield against hot synthesis gas, the protection shield comprising a plurality of separate ceramic members which join sideways at least partially in such a manner that the non-ceramic lining at its the other end is encircled over a determined part of its length by the plurality of separate ceramic members. The plurality of ceramic members is fixed on the non-ceramic lining.

Abstract: A pipe cleaning device comprises a central body and articulated scraper elements. The articulated shape of the scraper elements serves to enhance the cleaning performance of the device.

Abstract: An isolated mixed bacterial culture, preferably BC-1, ATCC No. 202057, which degrades ethers, especially branched alkylethers including MTBE, under aerobic conditions has been prepared.

Abstract: A deformable well screen for preventing migration of solid particles into a hydrocarbon production well is disclosed, the screen including at least one substantially tubular filter layer of which the sieve opening size remains fairly constant during or after expansion and/or other formation of the screen. Optionally the screen also includes a series of circumferentially scaled filter segments that are arranged around an expandable slotted tube, an expandable slotted tube of which the slots are filled with resin coated granules, an expandable slotted tube with micro-slots, an assembly of woven metal wire screens that are sintered together and/or a synthetic geotextile fabric.

Abstract: A system is disclosed for providing service to a vehicle (1) positioned at a service site (2) and billing a person or company for the service provided, wherein the vehicle (1) is provided with a vehicle processing unit (10) which includes a receiver-transmitter connected to a vehicle antenna (12) and with element for manually activating the vehicle processing unit, and wherein the service site (2) comprises element for providing service (3), a site processing unit (20) which includes a receiver-transmitter connected to a site antenna (22), which site processing unit includes element for registering the transaction and means for billing the person or company for the service provided, which system further comprises means for automatically correlating the act of servicing the vehicle with the vehicle (1), which element may comprise a passive tag (30) located at the element for providing service (5), element for energizing the passive tag located on the vehicle (1) and a secondary antenna (33) on the vehicle (1)

Abstract: The present invention relates to a method for separating liquid from a slurry of solid particles and liquid contained in a vessel in the presence of a gas, which comprises degasifying the slurry and passing the degasified slurry through a cross-flow filter, and separating the degasified slurry into the liquid and a concentrated slurry. The present invention further relates to a process for the preparation of heavy hydrocarbons, which process comprises contacting a synthesis gas in a reactor vessel with a slurry of solid catalyst particles and a liquid, thereby producing heavy hydrocarbons, and separating the liquid containing heavy hydrocarbons from the slurry by the said method.

Abstract: Polyolefin-substituted dicarboxylic ester derivatives, having an ester group derived from a polyether polyol and process for making such; wherein the ester derivatives are useful additives in lubricating oil compositions and concentrates thereof.

Abstract: A combustor method and apparatus is provided. The method utilizes flameless combustion with one or more of three improvements to enhance ignition of the flameless combustor. A catalytic surface can be provided within a combustion chamber to provide flameless combustion at least in the vicinity of the catalytic surface at a temperature that is much lower than the autoignition temperature of fuel in air without the presence of the catalytic surface. Nitrous oxide or supplemental oxygen may also be used as an oxidant either instead of air or with air to reduce ignition temperatures. Further, electrical energy can be passed through the fuel conduit, raising the temperature of the conduit to a temperature above which the fuel will ignite when combined with the oxidant.

Abstract: An elastosol is provided by combining a finely powdered, linear or branched block copolymer of a monovinyl aromatic compound and a conjugated diene having a particle size of 800 micron or less, and a rubber compatible liquid plasticizer, wherein the weight ratio of the block copolymer to the plasticizer is in the range of from 0.1 to 10. Furthermore, there is provided a process for the preparation of an elastosol as well as a process for the preparation of a homogeneous rubbery product derived from said elastosol.

Abstract: The epoxy resin composition which comprises both components (A) an epoxy compound having at least two epoxy groups in a molecule and (B) a polyphenol compound containing a trisphenol compound represented by general formula (I) described below ##STR1## in which R.sub.1 is a methyl group, n is an integer of 0 to 2, and Ar is a group selected from ##STR2## in which R.sub.2 and R.sub.3 are each individually selected from an alkyl group having a carbon number of 1 to 6, an alkoxy group having a carbon number of 1 to 6, or a halogen atom, and m and p are an integer of 0 to 2.

Abstract: A process for making a random polyalkylene terephthalate/naphthalate copolymer by synthesizing a bis-(hydroxyalkyl)-naphthalate composition under transesterification conditions, and subsequently combining the bis-(hydroxyalkyl)-naphthalate, a terephthalic acid, and an alkylene glycol under direct esterification conditions to form a random polyaklylene terephthalate/naphthalate copolymer. The preferred bis-(hydroxyalkyl)-naphthalate is bis-(2-hydroxyalkyl)-2,6-naphthalate, with bis-(2-hydroxyethyl)-2,6-naphthalate being the most preferred. Preferably, the bis-(hydroxyalkyl)-naphthalate is added at the initial stage of an acid-based polymer process, and polymerization is initiated or continued to produce a polyester copolymer. Alternatively, the bis-(hydroxyalkyl)-naphthalate is added to phthalate-based oligomers after the initial direct esterification stage, and polymerization is continued to produce a polyester copolymer.

Abstract: A pressure sensitive adhesive composition for skin adhesion and bandage applications which comprises (a) 100 parts by weight of a styrene-isoprene-styrene triblock or multiarm copolymer which has a coupling efficiency of 20 to 50%, an overall absolute arm molecular weight of 33,000 to 100,000, a polystyrene content of 18 to 30%, and a polystyrene block weight average molecular weight of 11,000 to 20,000, and (b) from 100 to 400 parts by weight of a styrene-isoprene diblock copolymer which has an overall absolute molecular weight of 20,000 to 40,000, a polystyrene content of 10 to 25%, and a polystyrene block weight average molecular weight of 4000 to 7000.

Abstract: The invention provides a gasoline composition which comprises a mixture of hydrocarbons of the gasoline boiling range containing an octane requirement reducing amount of an additive which comprises a furfuryl alcohol resin or derivative thereof and the use of the additive in a concentrate for a preparation of such gasoline composition and a method of operating a spark-ignition engine using such gasoline composition.

Abstract: The use of a minor amount of poly-1-butene for improving the processability or extrusion efficiency of a metallocene-made thermoplastics, particularly metallocene-made low density polyethylene, by adding about 0.1-15 wt % of poly-1-butene to the metallocene-made thermoplastics which are melt incompatible with the poly-l-butene prior to processing.