Abstract: The present invention discloses an active metallocene catalyst system prepared with a hafnium-based metallocene catalyst system and an activating agent comprising an aluminoxane and a sterically hindered Lewis base.

Abstract: A process for coating a glass article of manufacture may include providing a glass article at an initial temperature of above about 105° C., and depositing a coating onto a surface of said glass article. The coating may include an adhesion promoter and a compounded polymer that includes a copolymer of an ?-olefin and an ?,?-unsaturated carboxylic acid and a wax. The process may include heating said glass article to a temperature above said initial temperature sufficient to promote adhesion of said coating to said glass article. Glass articles having the coating adhered to the glass article are also described.

Abstract: The disclosure relates to a method for detecting water in a tensioning buoy of a riser column of an installation located in an aquatic environment, the method including, in succession, steps of: defining a representative standard echo; emitting the ultrasonic signal on a wall of the buoy; measuring a representative response echo due to the reflection of the ultrasonic signal in the buoy; comparing the representative response echo to the representative standard echo; and determining whether water is present in or absent from the buoy from the comparison.

Abstract: A method for testing asset management software applications includes: interfacing a user computing device with a computing server, the server being configured to execute an asset management application program; displaying, on the user computing device, a user interface configured to enable a user to perform functions associated with the asset management application program; recording a plurality of user input actions using the interface; generating a program script configured to, upon execution by the computing server, automate performance of each of the recorded plurality of user input actions; executing at least one instance of the generated program script; and measuring one or more performance metrics associated with performance of the computing server during execution of the at least one instance of the generated program script.

Abstract: A rotomolded article may include at least one layer A containing fibers embedded in a polymer resin. The rotomolded article may include at least one layer B containing from 40 to 100 wt % of an aliphatic polyester. Such rotomolded articles may be prepared by applying to at least a part of an interior wall of a mold the at least one layer A, adding to the mold a composition for the at least one layer B, and rotating and heating the mold.

Abstract: A process for dearomatization of a petroleum cut produces a dearomatized hydrocarbon-containing fluid with a sulphur content less than or equal to 5 ppm and a content of aromatic compounds less than or equal to 300 ppm, the hydrocarbon-containing fluid has a boiling point between 100 and 400° C. according to the standard ASTM D-86 and a distillation range defined by the difference between the Initial Boiling Point (IBP) and the Final Boiling Point (FBP) determined by the standard ASTM D-86 not exceeding 80° C. The process includes at least one dearomatization cycle utilizing a mixture of the petroleum cut with one or more inert and light diluents having a distillation range not exceeding 80° C.

Abstract: The present invention relates to a process for the production of a mixture of ethylene and propylene from a mixture containing ethanol and n-propanol and having a water content comprised between 30 and 75% by weight with respect to the total weight of the mixture.

Abstract: An injection stretch blow molded article may include a Ziegler-Natta catalyzed polyethylene resin having a multimodal molecular weight distribution and including at least two polyethylene fractions A and B. Fraction A may have a higher molecular weight and a lower density than fraction B. Each fraction may be prepared in different reactors of at least two reactors connected in series. Fraction A may have a melt index HL275 of at least 11 g/10 min and of at most 20 g/10 min, and a density of at least 941 kg/m3 and of at most 946 kg/m3. The polyethylene resin may have a melt index MI2 of at least 1.5 g/10 min and of at most 3.0 g/10 min, and a density of at least 950 kg/m3 and of at most 965 kg/m3.

Abstract: The present disclosure relates to the use of at least one modified alkylphenol-aldehyde resin as additive for improving the oxidation and/or storage stability of a motor fuel or liquid hydrocarbon-containing fuel composition. The modified alkylphenol-aldehyde resin can be obtained by Mannich reaction of an alkylphenol-aldehyde condensation resin with at least one aldehyde and/or one ketone having from 1 to 8 carbon atoms, preferably from 1 to 4 carbon atoms; and at least one hydrocarbon-containing compound having at least one alkylmonoamine or alkylpolyamine (alkylamine) group, having between 1 and 30 carbon atoms. The alkylphenol-aldehyde condensation resin itself can be obtained by condensation of at least one alkylphenol substituted with at least one linear or branched alkyl group having from 1 to 30 carbon atoms, preferably a monoalkylphenol, with at least one aldehyde and/or one ketone having from 1 to 8 carbon atoms, preferably from 1 to 4 carbon atoms.

Abstract: A process for dehydration of an ethanol feedstock to ethylene by: a) preheating ethanol feedstock by heat exchange with effluent from e), b) pretreating the ethanol feedstock to produce pretreated ethanol feedstock, c) vaporizing a vaporization feedstock containing pretreated ethanol feedstock and at least a portion of the flow of treated water recycled in an exchanger to produce a vaporized feedstock, d) compressing said vaporized feedstock to produce a compressed feedstock, e) dehydrating said compressed feedstock in at least one adiabatic reactor, f) separating the effluent from the last adiabatic reactor of e) into an effluent containing ethylene and an effluent containing water, g) purifying at least a portion of the effluent containing water from 0 and separating at least one flow of treated water and at least one flow of unconverted ethanol, h) recycling at least a portion of the flow of treated water from g) upstream of c).

Abstract: The present invention relates to a method for determining mechanical parameters of a cementitious system, on the basis of time, and on the basis of the fineness of the cementitious system, pressure and/or temperature, representative of the in situ conditions found in wellbores. The initial composition of the cementitious system, the fineness ? thereof and the speed of the compression waves on the basis of time Vp(t) are the only input data of the method.

Abstract: This invention relates to a method for determining a location of karst caves in a geological model. The method comprising for each current point of a set of points of a closed space of the model, determining a distance value; receiving an average value; and for each current point of the set of points of the closed space, determining a presence of caves for the current point. The determination at the presence of caves depends at least on the received average value and on the distance value determined for the current point. A collapse procedure can also be implemented as described in the description.

Abstract: A subsea wellhead assembly comprising at least a casing housing and a casing extending down inside the well, and a tubing hanger. The tubing hanger comprises first and second valves, each valve being a fail safe valve.

Abstract: An inclinable exercise device includes a support; an adjustable incline having an upper portion and a lower portion, the upper portion operably supported by the support to allow adjustment in an angle of the adjustable incline; a user support platform movably attached to the adjustable incline for movement of the user support platform along the adjustable incline during at least one of jumping and squat exercises; a foot support stand secured to the adjustable incline in the lower portion, the foot support engaged by one's feet during at least one of jumping and squat exercises; one or more resistance mechanisms resisting upward movement of the user support platform along the adjustable incline during at least one of jumping and squat exercises.

Abstract: Process for the fluidized-bed catalytic cracking of a weakly coking feedstock having a Conradson carbon residue equal to or less than 0.1% by weight and a hydrogen content equal to or greater than 12.7% by weight, comprising at least a step of cracking the feedstock, a step of separating/stripping the effluents from the coked catalyst particles and a step of regenerating said particles, the process being characterized in that at least one coking, carbonaceous and/or hydrocarbonaceous effluent having a content of aromatic compounds of greater than 50% by weight, comprising more than 20% by weight of polyaromatic compounds, is recycled to homogeneously distributed and weakly coked catalyst, before regeneration, in order to adjust the delta coke of the process.

Abstract: Modified alkylphenol-aldehyde resins include one or more alkylamines, having preferably at least one primary amine type group as well as their use for improving the flow properties of motor fuels and hydrocarbon fuels, such as in particular jet fuel, gas oil, fuel oil domestic, heavy fuel oil.

Abstract: The present invention relates to a method for determining a non-oil volume of a rock sample comprising: receiving a rock sample; and receiving a non-oil zone in a NMR map using a T1T2 sequence, the non-oil zone being associated to non-oil in the map; Then determining a first NMR map of the received rock sample using a T1T2 sequence, and determining a volume of non oil in the received rock sample based on an integral in an integration zone of the firstNMR map. The integration zone of the first NMR map being determined based on the received non-oil zone, and a calibration_value.

Abstract: The present invention relates to method for processing an image, said image representing a rock sample. The method comprises receiving said image; for each current threshold value in a plurality of threshold values determining a threshold image, the threshold image having pixels associated with a first color value or a second color value, the determination of the threshold image being based on the received image and the current threshold; and for each current connected set of pixels associated with the first color value in the threshold image, determining a connected volume or a connected surface area of said current connected set of pixels. In addition, the method comprises determining numbers of connected sets of pixels associated with the first color value for a plurality of connected volumes or connected surface areas and for a plurality of thresholds.

Abstract: The present invention concerns heterophasic propylene copolymers, comprising a propylene homopolymer (PPH) and an ethylene-propylene rubber (EPR), having a very broad molecular weight distribution, a well-defined total ethylene content and a specific intrinsic viscosities of the ethylene-propylene rubber (EPR). The invention further concerns the process to produce such heterophasic propylene copolymers. The heterophasic propylene copolymers of the present invention are particularly suited for pails, pallets, IBCs and crates. In particular, the heterophasic propylene copolymers of the present invention are characterized by an improved resistance to creep.