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Cracking patents

      

This page is updated frequently with new Cracking-related patent applications.




 Dry etch  texturing silicon and device patent thumbnailnew patent Dry etch texturing silicon and device
A method for texturing silicon includes loading a silicon wafer into a vacuum chamber, heating the silicon wafer and thermal cracking a gas to generate cracked sulfur species. The silicon wafer is exposed to the cracked sulfur species for a time duration in accordance with a texture characteristic needed for a surface of the silicon wafer..
International Business Machines Corporation


 Dry etch  texturing silicon and device patent thumbnailnew patent Dry etch texturing silicon and device
A method for texturing silicon includes loading a silicon wafer into a vacuum chamber, heating the silicon wafer and thermal cracking a gas to generate cracked sulfur species. The silicon wafer is exposed to the cracked sulfur species for a time duration in accordance with a texture characteristic needed for a surface of the silicon wafer..
International Business Machines Corporation


 Process for heating the column for distillation of the c3 fraction from an fcc unit by means of a circuit of water heated by streams belonging to units placed upstream and/or downstream of the fcc unit patent thumbnailnew patent Process for heating the column for distillation of the c3 fraction from an fcc unit by means of a circuit of water heated by streams belonging to units placed upstream and/or downstream of the fcc unit
The present invention describes a process for heating the reboiler of the propane/propylene separation column situated downstream of an fcc unit and fed with the c3 cut from said fcc unit, a process consisting of heating the water in a hot water circuit by means of one or more process fluids originating from units placed upstream and/or downstream of the fcc unit and called hot fluids, one of these fluids being constituted by the overhead vapours from the fractionation column connected to the mild hydrocracking unit.. .
Ifp Energies Nouvelles


 Method for reducing the speed of propagation of a crack in a metal substrate patent thumbnailnew patent Method for reducing the speed of propagation of a crack in a metal substrate
A method for reducing the speed of propagation of a crack in a metal substrate by means of laser heat treatment can include heating the metal substrate with a laser heat treatment at one or more crack ends, wherein the laser beam is guided over the substrate surface so that it defines the form of an oval, an arc or a curve. Alternatively, the substrate can be treated by means of laser heat treatment before a crack arises.
Helmholtz-zentrum Geesthacht Zentrum Für Material- Und Küstenforschung Gmbh


 Abrasion-resistant steel plate and  manufacturing the same patent thumbnailnew patent Abrasion-resistant steel plate and manufacturing the same
An abrasion resistant steel plate having excellent low-temperature toughness and excellent cracking resistance in a portion which has been heated to a temperature range in which low-temperature temper embrittlement occurs and a method for manufacturing the steel plate. The steel plate includes a microstructure at positions located at ¼ of the thickness and at ¾ of the thickness including a martensite single phase microstructure having an average prior austenaite grain diameter in the range of 20 μm to 60 μm, or a mixed microstructure of martensite and bainite having a proportion of martensite-austenite constituent of less than 5% in terms of area ratio with respect to the whole microstructure..
Jfe Steel Corporation


 Method of processing heavy oils and residua patent thumbnailnew patent Method of processing heavy oils and residua
There is provided a process of treating a heavy hydrocarbon-comprising material, comprising: contacting a feed material with at least a catalyst material within a contacting zone to effect generation of a total product such that a contacting zone material is disposed within the contacting zone and consists of the catalyst material and a feed/product-comprising mixture comprising the feed material and the total product, wherein the feed/product-comprising mixture includes a conradson carbon residue content of at least 12 weight percent, based on the total weight of the feed/product-comprising mixture, and also includes an asphaltene content of less than two (2) weight percent, based on the total weight of the feed/product-comprising mixture, and wherein the feed material includes deasphalted heavy hydrocarbon-comprising material. A heavy hydrocarbon-containing feed for a catalytic hydroprocessing or catalytic hydrocracking process is also provided, wherein the feed comprises a deasphalted heavy hydrocarbon-comprising material having a conradson carbon residue, ccr, content greater than about 12 wt % and an asphaltene content less than about 2 wt %.
Well Resources Inc.


 Olefin production process patent thumbnailnew patent Olefin production process
A method (100) for obtaining olefins is proposed, wherein a first gas mixture (b), which is produced by a steam cracking process (1), is at least partially used to form a first separation feedstock (f) which contains hydrocarbons with one to five carbon atoms, and from which at least a first separation product (g) and a second separation product (h, o) are produced, the first separation product (g) containing at least the greater proportion of the hydrocarbons with one carbon atom and of the hydrocarbons with two carbon atoms contained in the first separation feedstock (f), and the second separation product (h, o) containing at least the greater proportion of the hydrocarbons with four carbon atoms and of the hydrocarbons with five carbon atoms contained in the first separation feedstock (f), and wherein a second gas mixture (r) which is produced by an oxygenate-to-olefin process (2) is used at least partially to form a second separation feedstock (t) which contains hydrocarbons with one to five carbon atoms, and from which at least a third separation product (e, y) and a fourth separation product (l, z) are produced, the third separation product (e, y) containing at least the greater proportion of the hydrocarbons with one carbon atom and of the hydrocarbons with two carbon atoms contained in the second separation feedstock (t), and the fourth separation product (l, z) containing at least the greater proportion of the hydrocarbons with four or five carbon atoms contained in the second separation feedstock (t). The third separation product (e, y) is also at least partially used to form the first separation feedstock (f), and a third separation feedstock (h, l) (o, z) is formed from at least part of the fourth separation product (l, z) and of the second separation product (h, o) and is subjected to a separation (14)..
Linde Aktiengesellschaft


 Method of making a composite non-planar door skin patent thumbnailnew patent Method of making a composite non-planar door skin
A method of forming a composite article is disclosed that involves providing a press having first and second platens, a cellulosic fiber substrate having a first thickness, and a layer of material such as a wood veneer, foil, or non-creped paper, where the layer of material has a thickness less than the thickness of the cellulosic fiber substrate. A layer of bonding material is placed onto the cellulosic fiber substrate or the layer of material, and the layer of material is placed onto the cellulosic fiber substrate so that the bonding material is between the layer of material and the cellulosic fiber substrate.
Masonite Corporation


 Substrate dividing method patent thumbnailSubstrate dividing method
A substrate dividing method which can thin and divide a substrate while preventing chipping, and cracking from occurring. This substrate dividing method comprises the steps of irradiating a semiconductor substrate 1 having a front face 3 formed with functional devices 19 with laser light while positioning a light-converging point within the substrate, so as to form a modified region including a molten processed region due to multiphoton absorption within the semiconductor substrate 1, and causing the modified region including the molten processed region to form a starting point region for cutting; and grinding a rear face 21 of the semiconductor substrate 1 after the step of forming the starting point region for cutting such that the semiconductor substrate 1 attains a predetermined thickness..
Hamamatsu Photonics K.k.


 Substrate dividing method patent thumbnailSubstrate dividing method
A substrate dividing method which can thin and divide a substrate while preventing chipping, and cracking from occurring. This substrate dividing method comprises the steps of irradiating a semiconductor substrate 1 having a front face 3 formed with functional devices 19 with laser light while positioning a light-converging point within the substrate, so as to form a modified region including a molten processed region due to multiphoton absorption within the semiconductor substrate 1, and causing the modified region including the molten processed region to form a starting point region for cutting; and grinding a rear face 21 of the semiconductor substrate 1 after the step of forming the starting point region for cutting such that the semiconductor substrate 1 attains a predetermined thickness..
Hamamatsu Photonics K.k.


Substrate dividing method

A substrate dividing method which can thin and divide a substrate while preventing chipping and cracking from occurring. This substrate dividing method comprises the steps of irradiating a semiconductor substrate 1 having a front face 3 formed with functional devices 19 with laser light while positioning a light-converging point within the substrate, so as to form a modified region including a molten processed region due to multiphoton absorption within the semiconductor substrate 1, and causing the modified region including the molten processed region to form a starting point region for cutting; and grinding a rear face 21 of the semiconductor substrate 1 after the step of forming the starting point region for cutting such that the semiconductor substrate 1 attains a predetermined thickness..
Hamamatsu Photonics K.k.

Substrate dividing method

A substrate dividing method which can thin and divide a substrate while preventing chipping, and cracking from occurring. This substrate dividing method comprises the steps of irradiating a semiconductor substrate 1 having a front face 3 formed with functional devices 19 with laser light while positioning a light-converging point within the substrate, so as to form a modified region including a molten processed region due to multiphoton absorption within the semiconductor substrate 1, and causing the modified region including the molten processed region to form a starting point region for cutting; and grinding a rear face 21 of the semiconductor substrate 1 after the step of forming the starting point region for cutting such that the semiconductor substrate 1 attains a predetermined thickness..
Hamamatsu Photonics K.k.

Heat treatment apparatus emitting flash of light

Flash lamps connected to short-pulse circuits and flash lamps connected to long-pulse circuits are alternately arranged in a line. The duration of light emission from the flash lamps connected to the long-pulse circuits is longer than the duration of light emission from the flash lamps connected to the short-pulse circuits.
Screen Holdings Co., Ltd.

Multistage resid hydrocracking

Processes for upgrading resid hydrocarbon feeds are disclosed. The upgrading processes may include: hydrocracking a resid in a first reaction stage to form a first stage effluent; hydrocracking a deasphalted oil fraction in a second reaction stage to form a second stage effluent; fractionating the first stage effluent and the second stage effluent to recover at least one distillate hydrocarbon fraction and a resid hydrocarbon fraction; feeding the resid hydrocarbon fraction to a solvent deasphalting unit to provide an asphaltene fraction and the deasphalted oil fraction..
Lummus Technology Inc.

Systems for ethanol to fuels in a catalytic cracking unit stripper

Systems relating to the conversion of ethanol in a stripper unit of a fluidized catalytic cracking system. An ethanol stream mixes with a catalyst in the stripper unit under conditions of temperature that favor conversion of the ethanol to hydrocarbons, thereby increasing incorporation of ethanol into liquid transportation fuels without exceeding regulatory limits on fuel vapor pressure.
Phillips 66 Company

Golf ball

In a golf ball having a core of at least one layer and a cover of at least one layer, some or all of the surface of at least one such layer of the ball is treated with a treatment solution. The treatment solution is made of (a) a polyolefin-based thermoplastic resin and (b) at least one solvent selected from the group consisting of water, ammonia water and organic solvents, and is obtained by dissolving or finely dispersing resin solids of component a in the solvent of component b.
Bridgestone Sports Co., Ltd.

Cured product

The present application relates to a cured product and the use thereof. When the cured product, for example, is applied to a semiconductor device such as an led or the like, the decrease in brightness may be minimized even upon the long-term use of the device, and since the cured product has excellent cracking resistance, the device having high long-term reliability may be provided.
Lg Chem, Ltd.

Process for simultaneous cracking of lighter and heavier hydrocarbon feed and system for the same

The invention provides for a process and apparatus for simultaneous conversion of lighter and heavier hydrocarbon feedstocks into improved yields of light olefins in the range of c2 to c4, liquid aromatics in the range c6 to c8 mainly benzene, toluene, xylene and ethyl benzene and other useful products employing at least two different reactors operated in series with respect to catalyst flow and parallel with respect to feed flow under different regimes and process conditions with same catalyst system.. .
Indian Oil Corporation Limited

Silicone resin composition for sealant and power semiconductor module that uses this composition

A silicone resin composition is provided that exhibits an increased adhesiveness relative to insulating circuit substrates and can prevent bubble production even when moisture absorption has occurred, exhibits an excellent heat resistance, and is free of problems such as cracking. A silicone resin composition for use as a sealant for a power semiconductor module includes an insulating circuit substrate having a cu layer formed on a surface thereof.
Fuji Electric Co., Ltd.

A solid state light emitting device and manufacturing a solid state light emitting device

A solid state light emitting device includes a light emitting stack (20), a metallization (30), comprising a guard layer (36) of metal, and a dielectric layer (50) over the guard layer (36) of the metallization. During subsequent processing delamination and/or cracking may occur at the edges of the devices, sometimes referred to as die edge defects.
Koninklijke Philips N.v.

Humidity-resistant and heat-resistant solar cell backsheet and manufacturing method therefor

A humidity-resistant and heat-resistant solar cell backsheet, comprising a weather-resistant layer, a connection layer, a structure-reinforcing layer and a reflection layer which are sequentially compounded. It is characterized in that the weather-resistant layer is a biaxially oriented pa weather-resistant film or is made of a polyamide, heat stabilizer, ultraviolet-resistant stabilizers and inorganic materials; and the structure reinforcing layer is made of polypropylene, modified polypropylene or an alloy, wherein the alloy is an alloy of polypropylene and engineering plastics or an alloy of modified polypropylene and engineering plastics.
Suzhou Sunshine New Materials Technology Co., Ltd.

Optimization of pyrolysis tube cracking efficiency

A method for optimizing a cracking efficiency with which a pyrolysis tube of a deposition apparatus cracks a precursor material into reactive species is disclosed, including measuring an input pressure at an entrance to the pyrolysis tube, outside of the pyrolysis tube; measuring an output pressure at an exit from the pyrolysis tube, outside of the pyrolysis tube; measuring a pyrolysis temperature within the pyrolysis tube; calculating a cracking efficiency based on the input pressure, the output pressure and the pyrolysis temperature; and determining an adjustment to be made to at least one of the input pressure, the output pressure and the pyrolysis temperature to increase the cracking efficiency.. .
Hzo, Inc.

Rubber modified styrene resin, and sheet, food container, and food container lid member produced using same

A rubber modified styrene-based resin is provided that is excellent in oil resistance, folding endurance, and tear strength and that is preferably used for a food container and a food container lid member not cracking by repeated fitting. According to the present invention, a rubber modified styrene-based resin is provided that contains rubbery dispersed particles, having a volume median particle diameter from 4.0 to 10 μm and a gel component from 22.0 to 35.0 mass %; a matrix phase having a weight average molecular weight (mw) from 150 thousand to 300 thousand; and a methanol soluble component from 1.5% to 4.0%..
Toyo Styrene Co., Ltd.

Integrated steam cracker and mtbe production units

Described herein are methods and systems for producing methyl t-butyl ether (mtbe) by reacting an isobutene-containing stream with methanol in an mtbe production unit. In accordance with the method described herein, at least a portion of the isobutene-containing stream is obtained from a mixed c4 stream from a steam cracking unit and is not produced by passing the dehydrogenation of isobutane.
Saudi Basic Industries Corporation

Watch strap

A watch strap that includes a flexible strap body, which defines a longitudinal axis and has a portion configured to accommodate a watch body. The flexible strap body includes a wood veneer outer layer that has a natural wood grain, which is transverse to the longitudinal axis of the flexible strap body.

Cured product

The present application relates to a cured product and the use thereof. The cured product has excellent processability, workability, and adhesive properties or the like, and does not cause whitening and surface stickiness, etc.
Lg Chem, Ltd.

Insulated wire, coil, and electrical/electronic equipment, and preventing cracking of insulated wire

An insulated wire, having a thermosetting resin layer, directly or by interposing an insulated layer, on a conductor having a rectangular cross-section, and a thermoplastic resin layer on the thermosetting resin layer, wherein the insulated wire contains a liquid component that is liquid at 25° c., and has a boiling point of 150° c. Or higher in a proportion of 1,000 ppm or more and 20,000 ppm or less in the thermosetting resin layer; a coil formed by winding processing the insulated wire; and electrical/electronic equipment having the coil; and a method of preventing cracking of an insulated wire, wherein cracking caused in a thermoplastic resin layer as a covering resin layer is prevented from reaching the thermosetting resin layer by using the insulated wire which contains the liquid component in the proportion of 1,000 ppm or more and 20,000 ppm or less in the thermosetting resin layer..
Furukawa Magnet Wire Co., Ltd.

Thermal mechanical dimple array for a combustor wall assembly

A thermal mechanical dimple array for combustor liners of gas turbine engines are located at known hot spots along liner to reduce stress and minimize cracking. Such arrays have indentations in the liners at the hot spots that act to thermal mechanically flex the liner at the hot spot away from the heat source and distribute stresses such that cracking of the liner is reduced and durability is improved..
United Technologies Corporation

Hot dip galvanized steel sheet having excellent resistance to cracking due to liquid metal embrittlement

A hot-dip galvanized steel sheet having excellent resistance to cracking caused by liquid metal embrittlement is provided. The hot-dip galvanized steel sheet having excellent resistance to cracking caused by liquid metal embrittlement includes a base steel sheet having a microstructure in which an austenite fraction is 90 area % or more; and a hot-dip galvanizing layer formed on the base steel sheet, wherein the hot-dip galvanizing layer includes an fe—zn alloy layer; and a zn layer formed on the fe—zn alloy layer, and the fe—zn alloy layer has a thickness of [(3.4×t)/6] μm or more, where t is a thickness of the hot-dip galvanizing layer.
Posco

Method for separating a hydrocarbon mixture, separating plant and steam cracking plant

The invention relates to a method for separating a hydrocarbon mixture (c), which is obtained at least in part by steam cracking (10) and which contains at least hydrocarbons having one, two and three carbon atoms, including ethane and ethylene, a first fraction (c2+, c2−) initially being obtained from the hydrocarbon mixture (c) by separating off other components at least in part, said fraction containing the predominant part of the hydrocarbons having two or more carbon atoms previously contained in the hydrocarbon mixture (c) or the predominant part of the hydrocarbons having two or fewer carbon atoms previously contained in the hydrocarbon mixture (c), further fractions (c1, c2, c2h4, c3+, c2h6) subsequently being obtained from the first fraction (c2+, c2−). A fraction (r, s) containing ethane is separated off, in parallel with or downstream from the at least partial separation of the other components from the hydrocarbon mixture (c), in an amount which reduces the ethane content in the first fraction (c2+, c2−) to less than 25%, the fraction (r, s) containing ethane being low in or free from other hydrocarbons having two carbon atoms.
Linde Aktiengesellschaft

Transparent silicone cover for the safeguarding of glass pharmaceutical vials

A transparent silicone cover and accompanying transparent silicone securing bands that safeguard a glass pharmaceutical vial from shattering or cracking as a result of handling by automated dispensing units, patients, or medical or veterinary staff while simultaneously allowing inspection and reading of an enclosed vial, its contents and all labels in their entirety, as well as scanning of barcodes in the clinical setting. The main body provides a cylindrical lumen for the vial to rest in securely while effectively protecting the vial's sidewalls and base.

Hard body as grid armoring for a roller press, a its production, and a roller for a roller press

Particularly preferably, the wear-resistant hard bodies furthermore have a circular cylindrical shape. Here, the closed front end of the shell, which in the installed state faces the center of the roller, is preferably shaped in a rounded fashion.

Nut cracker with mechanical advantage

A nut cracking device with a frame comprising elongated, parallel members that surround a mechanical advantage device, such as a hydraulic jack. Top and bottom channel members are mounted at opposite ends of the frame members to separate the frame members and form a rigid frame structure.
Nutdemander, Llc

Free standing egg cracking receptacle

A free standing egg cracking receptacle comprising two body segments (10) which are attached by a hinge (14), the lower segment of the receptacle comprises a concavity (18) located on the lower segments' surface which has the shape of a lower part of an egg. The upper segment of the receptacle comprises a concavity (18) located on the upper segments' lower surface which comprises the shape of the upper part of an egg and the concavity comprises a projection (22) located on the central part of the concavity..

Cured product

The present application relates to a cured product and the use thereof. When the cured product, for example, is applied to a semiconductor device such as an led or the like, the decrease in brightness may be minimized even upon the long-term use of the device, and since the cured product has excellent cracking resistance, the device having high long-term reliability may be provided.
Lg Chem, Ltd.

Techniques for facilitating cracking and fusion within a same instruction group

A technique includes determining whether one or more instructions in an instruction group require cracking. Whether the instructions that require cracking are associated with a decode-time instruction optimization (dtio) sequence is also determined.
International Business Machines Corporation

Techniques for facilitating cracking and fusion within a same instruction group

A technique includes determining whether one or more instructions in an instruction group require cracking. Whether the instructions that require cracking are associated with a decode-time instruction optimization (dtio) sequence is also determined.
International Business Machines Corporation

Integrated hydrotreating, solvent deasphalting and steam pyrolysis process for direct processing of a crude oil

A process is provided that is directed to a steam pyrolysis zone integrated with a hydrotreating zone and a solvent deasphalting zone to permit direct processing of crude oil feedstocks to produce petrochemicals including olefins and aromatics. The integrated hydrotreating, solvent deasphalting and steam pyrolysis process comprises charging the crude oil to a hydroprocessing zone operating under conditions effective to produce a hydroprocessed effluent reduced having a reduced content of contaminants, an increased paraffinicity, reduced bureau of mines correlation index, and an increased american petroleum institute gravity; charging the hydroprocessed effluent to a solvent deasphalting zone with an effective amount of solvent to produce a deasphalted and demetalized oil stream and a bottom asphalt phase; thermally cracking the deasphalted and demetalized oil stream in the presence of steam to produce a mixed product stream; separating the mixed product stream; purifying hydrogen recovered from the mixed product stream and recycling it to the hydroprocessing zone; recovering olefins and aromatics from the separated mixed product stream; and recovering pyrolysis fuel oil from the separated mixed product stream..
Saudi Arabian Oil Company

Saponified ethylene-vinyl ester copolymer pellet and producing saponified ethylene-vinyl ester copolymer pellet

The invention provides a saponified ethylene-vinyl ester copolymer pellet which can be inhibited from cracking, chipping and generation of fine powder at the time of transport and is excellent in melt moldability. The saponified ethylene-vinyl ester copolymer pellet of the invention is a pellet which is obtained from a resin composition containing a saponified ethylene-vinyl ester copolymer resin and in which an amount of fine powder after an impact crushing test with ball mill is 400 ppm or less with respect to the saponified ethylene-vinyl ester copolymer pellet..
The Nippon Synthetic Chemical Industry Co., Ltd.

Sheet steel product, a steel component produced from such a sheet steel product, and body for a motor vehicle

A flat steel product is disclosed which is particularly suitable for the production of components for motor vehicle bodies by press-hardening, and which has insensitivity to cracking coupled with increased strength and has sufficient suitability for welding for incorporation into a welded construction. This combination of properties is achieved in accordance with the invention by virtue of the flat steel product having a core layer consisting of a steel alloyed with mn, b and at least 0.3% by weight of c and having a tensile strength of more than 1500 mpa, and an outer layer cohesively bonded to the core layer.
Thyssenkrupp Steel Europe Ag

Catalyst for hydrocracking and hydrocarbon production method

The present invention is to provide a catalyst for hydrocracking that is capable of decreasing the content of oxygen components contained in hydrocarbons synthesized from a vegetable fat or oil, an animal fat or oil, and/or a coal liquefaction oil each containing at least one selected from a fatty acid, a fatty acid ester, and an alkylphenol compound, and a hydrocarbon production method using the same. The catalyst for hydrocracking of the present invention contains a carrier containing a porous oxide, and nickel and molybdenum supported on the carrier, the catalyst for hydrocracking being subjected to a hydrogen reduction treatment, and having a mass ratio (x/(x+y)) of a nickel content (x) in terms of nickel oxide (nio) to the sum of the nickel content (x) in terms of nickel oxide (nio) and a molybdenum content (y) in terms of molybdenum oxide (moo3) of 0.5 or more and 0.9 or less.
Idemitsu Kosan Co., Ltd.

Die package with openings surrounding end-portions of through package vias (tpvs) and package on package (pop) using the die package

Various embodiments of mechanisms for forming through package vias (tpvs) with openings surrounding end-portions of the tpvs and a package on package (pop) device with bonding structures utilizing the tpvs are provided. The openings are formed by removing materials, such as by laser drill, surrounding the end-portions of the tpvs.
Taiwan Semiconductor Manufacturing Company, Ltd.

Unlocking control intelligent terminal

This application discloses an unlocking control method and apparatus for an intelligent terminal, including: detecting, when an intelligent terminal enters an unlocking interface, a touch gesture on a touch display of an intelligent terminal; and determining whether a trajectory node of the detected touch gesture and a stay time on the trajectory node are the same as a predetermined trajectory node and a predetermined stay time on the trajectory node, and if same, unlocking an intelligent terminal. By using the present disclosure, lock screen cracking difficulty may be increased, and security of a lock screen state may be improved..
Tencent Technology (shenzhen) Company Limited

Machine and cracking a connecting rod

The machine for cracking a connecting rod comprises an electro press with an electric motor (400) for actuating an expandable element. The electro press comprises a first s actuator part (410) and a second actuator part (430) arranged so that when the first actuator part is driven by the electric motor (400) from a first position to a second position, (a) the first actuator part (410) is first driven by the electric motor (400) from said first position (fig.
Gaindu, S.l.

High temperature composite inlet

An inlet for an aircraft nacelle may comprise a nanoreinforced polyimide composite lip skin. The nanomaterials may increase thermal conductivity and decrease microcracking in the lip skin.
Rohr, Inc.

Noble metal hydrogenation catalysts and aromatic saturation methods

Methods are provided for modifying hydrogenation catalysts having silica supports (or other non-alumina supports) with additional alumina, and using such catalysts to achieve unexpectedly superior hydrogenation of feedstocks. The modified hydrogenation catalysts can have a relatively low cracking activity while providing an increased activity for hydrogenation..
Exxonmobil Research And Engineering Company

Process for refining a heavy hydrocarbon-containing feedstock implementing a selective cascade deasphalting

A process for refining a heavy hydrocarbon feedstock containing a) at least two stages of deasphalting in series to separate at least one fraction of asphalt, at least one fraction of heavy deasphalted oil, and at least one fraction of light deasphalted oil, at least one of the stages of deasphalting by a mixture of at least one polar solvent and at least one apolar solvent, the stages of deasphalting being implemented under the subcritical conditions of the mixture of solvents, b) a stage of hydrotreatment of at least a part of the fraction of heavy deasphalted oil, in the presence of hydrogen, c) a stage of catalytic cracking of at least a part of the fraction of light deasphalted oil, alone or in a mixture with at least a part of the effluent originating from stage b).. .
Ifp Energies Nouvelles

Method and system for producing low aromatic hydrocarbon products

Methods are provided for modifying hydrogenation catalysts having silica supports (or other non-alumina supports) with additional alumina, and using such catalysts to achieve unexpectedly superior hydrogenation of feedstocks. The modified hydrogenation catalysts can have a relatively low cracking activity while providing an increased activity for hydrogenation..
Exxonmobil Research And Engineering Company

Filament for artificial hair, and artificial hair product

A filament for artificial hair is excellent in terms of volume and luster and not subject to yarn cracking or yarn breakage. The filament is a filament of a thermoplastic resin, its shape of a cross section in a direction perpendicular to a fiber axis is a multilobal shape having three or more interlobe gap regions, widths w2 of the interlobe gap regions are 10 to 60% of a width w1 of the filament, and depths h2 of the interlobe gap regions are 5 to 30% of a height h1 of the filament..
Toray Monofilament Co., Ltd.



Cracking topics:
  • Hydrocarbon
  • Fluoropolymer
  • Air Cleaning
  • Hydrocracking Process
  • Tungsten Carbide
  • Bisphenol A
  • Polycarbonate
  • Riser Reactor
  • Downstream


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