baber/WOPTO huggingface dataset:
Patent MX-343325-B (MX)
Title: Lactoferrin and brain health and development in infants.
Inventor: BING WANG
IPC: A23L33/00
Filed: 2010-05-07
Abstract: The present invention relates generally to the field of brain development and brain health. One embodiment of the present invention relates to a composition that can be used for the treatment or prevention of a delayed brain development and/or a delayed development of the nervous system. Also cognitive performance can be increased.
Patent MX-353747-B (MX)
Title: Heat shock protein binding compounds, compositions, and methods for making and using same.
Inventor: GABRIELA CHIOSIS
IPC: C07D403/12
Filed: 2010-08-17
Abstract: The present subject matter relates to a compound represented by the general formula (I) or (I') or a pharmacologically acceptable salt thereof; pharmaceutical compositions containing at least one of these compounds; methods of making at least one of these compounds; methods of using at least one of these compounds for treating and/or preventing various cancers and/or proliferation disorders; methods of using at least one of these compounds for monitoring the effectiveness of an anticancer therapy against various cancers. In one embodiment, the subject matter relates to compounds that bind with a level of specificity to heat shock protein 70 (Hsp70). In another embodiment, the subject matter relates to compounds that bind with a level of specificity to inhibit both heat shock protein 70 (Hsp70) and heat shock cognate protein 70 (Hsc70).
Patent MX-357659-B (MX)
Title: Intraluminal device with improved flexibility and durability.
Inventor: WILLIAMSON MICHAEL V
IPC: A61F2/90
Filed: 2010-10-28
Abstract: The stent (150) of the present invention is a tubular member having front and back open ends and a longitudinal axis extending there between. The tubular member has a first smaller diameter for insertion into a patient and navigation through the vessels, and a second larger diameter for deployment into the target area of a vessel. The tubular member is made from a plurality of adjacent hoops (152 (a), 152 (b), 152 (c), 152 (d) extending between the front and back ends. The hoops include a plurality of longitudinal struts (160) and a plurality of loops (162) connecting adjacent struts. The stent further includes a plurality of bridges (170) having loop to bridge connections which connect adjacent hoops to one another. The ratio of total number of circumferentially aligned loops to the number of loops spanned by a particular bridge is a whole number.
Patent MX-341385-B (MX)
Title: Copolymers of monocarboxylic acids and dicarboxylic acids, their preparation and use.
Inventor: BOLETTE URTEL
IPC: C08F4/30
Filed: 2011-06-30
Abstract: The invention relates to a process for preparing a polymer by free-radical polymerization of at least one ethylenically unsaturated monocarboxylic acid and/or a salt thereof,at least one ethylenically unsaturated dicarboxylic acid and/or an anhydride and/or a salt thereof,in the presence of hypophosphorous acid and/or a salt thereof. The invention also relates to a polymer composition obtainable by this process. The invention also relates to the use of such a polymer composition as detergent additive, e.g. as dispersant, scale inhibitor or sequestrant for laundry detergents.
Patent MX-368799-B (MX)
Title: Formed articles including master alloy, and methods of making and using the same.
Inventor: TIMOTHY F SORAN
IPC: C22C1/03
Filed: 2005-11-16
Abstract: The application relates to the problem of alloying a melt, preferably a titanium melt, with oxygen by adding formed articles such as pellets containing a master alloy such as Ti02. The articles should fully and homogeneously disperse in the melt, while the carbon content of the melt should be kept below an allowable maximum, preferably below 0.04 wt. %. The formed article may also comprise iron or palladium. To solve this problem, the formed article consists of 70-82wt. % of a master alloy an 18-30wt. % of a high-carbon organic polymer such as ethylene vinyl acetate or a low density polyethylene. The homogeneous dispersion is achieved e.g. by the formed articles having a similar size as the other raw feed materials which are added to the melt.
Patent MX-344173-B (MX)
Title: Process for the electroless copper plating of metallic substrates.
Inventor: KLEINLE MICHAEL
IPC: C23C18/38
Filed: 2011-08-10
Abstract: The invention relates to a process for treating a metallic surface of an object with an aqueous copper-plating solution, with which a first copper-plating solution, which is free of cyanide and free of strong reducing agent, is electrolessly applied to clean metallic surfaces of the object, or after pretreatment to cleaned metallic surfaces, to form a first copper layer or copper alloy layer as a barrier layer and/or as a conductive layer, and also to the use of the objects produced by the process according to the invention.
Patent MX-350142-B (MX)
Title: STABLE FORMULATIONS OF NEISSERIA MENINGITIDIS rLP2086 ANTIGENS.
Inventor: ARUMUGHAM RASAPPA
IPC: A61K47/44
Filed: 2011-08-22
Abstract: The present invention relates to stable formulations of Neisseria meningitis r LP2086 Subfamily B Antigens in immunogenic compositions. The present invention also relates to methods of preserving the conformation of Neisseria meningitis rLP2086 Antigens and methods for determining the potency of Neisseria meningitis r LP2086 antigens.
Patent MX-348572-B (MX)
Title: Radiation cross-linked collagen gel, and preparation method and usage method thereof.
Inventor: JI-CHUL YU
IPC: A61K8/65
Filed: 2011-02-17
Abstract: The present invention relates to radiation cross-linked collagen gel, and a preparation method and usage method thereof. To this end, the present invention comprises a cross-linked collagen material made by irradiating liquid collagen with radioactive rays, wherein the concentration of said collagen is specifically 0.1-10% (W/V), and the radiation dose (dose rate X time) is 0.1 - 40 kGy on the basis of 1 kGy/hr. The present invention configured as above can prepare a formulated collagen gel using a physical cross-linking method instead of a chemical cross-linking method, specifically carries out the formulation by mixing biocompatible materials, and provides a method capable of using a cross-linked collagen hydrogel in wound dressings, graft materials, cell cultures and the like. Therefore, the present invention provides an industrially convenient and safe preparation method, thereby instilling a good image to a customer by greatly improving the quality and confidence in the products.
Patent MX-337643-B (MX)
Title: Methods and systems for obtaining an electrical impedivity and/or resistivity image of a subterranean formation.
Inventor: CHEUNG PHLIP S
IPC: G01V3/24
Filed: 2012-12-21
Abstract: Methods and systems for obtaining an electrical impedivity and/or resistivity image of a subterranean formation are provided. The electrical impedivity and/or resistivity image can be obtained by determining first formation impedivity data and second formation impedivity data. The first formation impedivity data can be based on a component of the measured impedance data orthogonal a downhole fluid impedance. The second formation impedivity data can be based on an amplitude of the measured impedance data. A combined formation impedivity data can be obtained by combining a portion of the first formation impedivity data based on a first formation impedivity determination process with a portion of the second formation impedivity data based on a second formation impedivity determination process. The electrical impedivity and/or resistivity image of the subterranean formation can then be obtained by using the combined formation impedivity data.
Patent MX-368432-B (MX)
Title: Portable vibratory electronic device actuated by audio frequencies encoded in electrical analogical signals resulting from an activator element.
Inventor: ALFREDO DE SANTIAGO PARRA
IPC: G10L19/002
Filed: 2014-08-18
Abstract: A portable vibratory electronic device actuated by audio frequencies encoded in electric analogical signals resulting from an activator elements, comprises: an ergonomic plastic carcass including a circuit for processing audio frequencies encoded in electric analogical signals, where at least two vibration engines, a standard audio connector, an ON-OFF switch and an inner battery for supplying electric power to the audio processor circuit are connected thereto. The invention has a universal design with braille language to be used for people with or without impairments. The invention is intended to: emit oscillatory vibrations that oscillate in a simultaneous manner as the audio frequencies encoded in electric analogical signals for wakening in an opportune manner a user with or without impairments and/or with a heavy sleep, including a vibrotactile stimulation system in handicapped people and/or people with pronunciation or speaking difficulties.
Patent MX-369655-B (MX)
Title: Liquid dispensing device equipped with a removable cap.
Inventor: XAVIER JULIA
IPC: B05B11/02
Filed: 2013-03-15
Abstract: The invention relates to a device (10) for dispensing liquid comprising an opening (22, 50) for dispensing liquid, a pad (48) for absorbing residual liquid and a removable cap (16) comprising a shape in the immediate vicinity and opposite the dispensing opening (22, 50), referred to as a shape (46) for expelling residual liquid, configured to discharge the residual liquid toward the pad (48) when the cap (16) is mounted on the device (10).
Patent MX-364219-B (MX)
Title: Method and apparatus for the production of urea from ammonia and carbon dioxide.
Inventor: VAN DEN TILLAART JOHAN ALBERT ARNO
IPC: B01J19/00
Filed: 2013-05-02
Abstract: Method for the production of urea from ammonia and carbon dioxide in a urea plant containing a high-pressure synthesis section with a horizontal pool condenser, wherein the method comprises exchanging heat from a high pressure process medium received in a shell section of the pool condenser to a medium pressure urea containing solution received in a first heat exchanging section provided in the pool condenser to at least decompose ammonium carbamate into NH3 and CO2, wherein the method further comprises exchanging heat from the high pressure process medium to a low pressure steam condensate received in a second heat exchanging section provided in the pool condenser to produce low pressure steam. The invention also relates to an apparatus for the production of urea from ammonia and carbon dioxide.
Patent MX-344542-B (MX)
Title: A device for printing cans, a process for printing cans, a printed can and a transfer blanket.
Inventor: JASO VILAS BOAS
IPC: B41N10/02
Filed: 2013-03-05
Abstract: The present invention relates to a device (1) for printing cans (8) with different print patterns in the same production sequence, without it being necessary to interrupt the production. Another objective of the present invention is to provide a process for producing cans, which uses a printing device (1), the can (8) produced by the device and process, and a transfer blanket (5a-51) that is a graphic means that influences the final print patterns of the cans (8) to be printed.
Patent MX-360917-B (MX)
Title: System and method for reducing friction.
Inventor: BIDNER DAVID KARL
IPC: F01M13/02
Filed: 2015-01-30
Abstract: Systems and methods are described for reducing friction within a transmission and an internal combustion engine including a PCV system. A gaseous fuel source is fluidly coupled to the transmission via a flow control valve and the transmission, in turn, is fluidly coupled to an air inflow line of the PCV system. The flow control valve is configured to control a flow of gaseous fuel into the transmission and there on into the PCV system and crankcase.
Patent MX-347030-B (MX)
Title: Flexible lid.
Inventor: TOMMY DAHLSTRÖM
IPC: B32B37/16
Filed: 2013-10-10
Abstract: The invention relates to a flexible lid for sealed closing of an opening in a container, the lid is a multilayer structure comprising a first and a second main layer, wherein at least the first main layer is a laminate structure comprising a layer of aluminum and an outer layer of a weldable plastic, wherein the outer weldable layer faces the second main layer. The invention is characterized in that the first and the second main layer are welded to one another across a welding area, wherein the weld area comprises a first part located in the center of the lid where the welding is arranged in a circular path, wherein the circular weld path has at least one interruption which allows communication between a volume inside the circular weld path and a volume outside the circular weld path.
Patent MX-353167-B (MX)
Title: Teeth whitening methods, visually perceptible signals and compositions therefor|comprising zinc amino acid halides.
Inventor: LONG PAN
IPC: A61K8/20
Filed: 2012-12-19
Abstract: Described herein are methods of cleaning a tooth comprising administering a composition comprising a zinc amino acid halide complex to the oral cavity; and retaining the composition in the oral cavity for a time sufficient to form a precipitate.
Patent MX-364438-B (MX)
Title: Covalent inhibitors of kras g12c.
Inventor: PINGDA REN
IPC: C07D471/04
Filed: 2014-03-14
Abstract: Irreversible inhibitors of G12C mutant K-Ras protein are provided. Also disclosed are methods to modulate the activity of G12C mutant K-Ras protein and methods of treatment of disorders mediated by G12C mutant K-Ras protein.
Patent MX-370535-B (MX)
Title: Tetrahydroquinoline compositions as bet bromodomain inhibitors.
Inventor: KENNETH W BAIR
IPC: A61K31/47
Filed: 2014-11-18
Abstract: The present invention relates to inhibitors of bromo and extra terminal (BET) bromodomains that are useful for the treatment of cancer, inflammatory diseases, diabetes, and obesity, having Formula (I): wherein W, X, Y, Z, R1, R2, R5, and R8 are as described herein.
Patent MX-349978-B (MX)
Title: Vaginal insert method of manufacture.
Inventor: BRIAN WAYNE TOMAC
IPC: B65H69/04
Filed: 2014-12-15
Abstract: A method of manufacture for a vaginal insert. The vaginal insert may have a core, a cover, and a removal element. In various embodiments, the cover can be conformed to the vaginal insert.
Patent MX-368096-B (MX)
Title: Process for recycling li-ion batteries.
Inventor: SYBOLT BROUWER
IPC: C22B7/04
Filed: 2014-11-25
Abstract: The present invention concerns a process for the recovery of metals and of heat from spent rechargeable batteries, in particular from spent Li-ion batteries containing relatively low amounts of cobalt. It has in particular been found that such cobalt-depleted Li-ion batteries can be processed on a copper smelter by: -feeding a useful charge and slag formers to the smelter; -adding heating and reducing agents; whereby at least part of the heating and/or reducing agents is replaced by Li-ion batteries containing one or more of metallic Fe, metallic Al, and carbon. Using spent LFP or LMO batteries as a feed on the Cu smelter, the production rate of Cu blister isincreased,while the energy consumption from fossil sources is decreased.
Patent MX-360466-B (MX)
Title: Array substrate and display device.
Inventor: JIAN XU
IPC: G02F1/1368
Filed: 2015-08-20
Abstract: An array substrate and display device. The array substrate comprises: a common electrode line (6), a plurality of gate lines (1) and a plurality of data lines (2) provided crosswise, and a pixel unit (3). The pixel unit (3) comprises a pixel electrode (31) and a common electrode (32) provided with a first insulation layer (4) therebetween, and further comprises a storage electrode line (33) at least partially overlapping with the pixel electrode (31). A second insulation layer (5) is provided between the storage electrode line (33) and the pixel electrode (31). The storage electrode line (33) and the common electrode (32) are separately connected to the common electrode line (6). A storage capacitor formed between the storage electrode line (33) and the pixel electrode (31) compensates a storage capacitor formed between the common electrode (32) and the pixel electrode (31).
Patent MX-370246-B (MX)
Title: Production method for acetic acid.
Inventor: MASAHIKO SHIMIZU
IPC: C07B61/00
Filed: 2017-05-25
Abstract: Provided is a production method for acetic acid, the method being capable of inhibiting precipitation and accumulation of a catalyst in a vaporization tank, and efficiently recycling the catalyst into a reaction tank, thereby maintaining and improving the productivity of acetic acid, and ensuring stable operation. In the acetic acid production method according to the present invention, the vaporization tank has a catalyst precipitation/accumulation prevention structure (a) and/or (b). Structure (a) is a structure in which the inner wall surface of an inverted-truncated-conical cylindrical linking section of the vaporization tank has a slope angle ? of 5-85°. Structure (b) is a structure which is designed such that a vortex breaker having a plate-shaped vortex breaker body and a leg part for horizontally supporting the vortex breaker body is disposed directly above, so as to cover, a residual liquid flow recycle line linking section of the bottom part of the vaporization tank, and the residual liquid flow passing through a gap between a peripheral portion of the vortex breaker body and an inner bottom surface of the bottom part of the vaporization tank has a linear velocity r of more than 10 m/h.
Patent MX-274906-B (MX)
Title: Absorbent product.
Inventor: TORGNY FALK
IPC: A61F13/15
Filed: 2003-03-26
Abstract: An absorbent product, such as a panty liner, a sanitary towel, an incontinence protection or a tampon for absorption of urine, blood or menstrual fluid, comprising a fluid permeable surface layer facing the wearer during use, a fluid impermeable backing layer facing away from the wearer during use, and an absorbent body, positioned between the surface layer and the backing layer, whereby the absorbent body comprises superabsorbent polymers (SAP), characterised by that the SAP-material is of at least two variants, whereby the first variant is a SAP with a cross-linking de-gree in the interval from 0.02 to 2.0 %, and the second variant is a SAP with a cross-linking degree in the interval from 3.0 to 7.0 %. Hereby, an absorbent product is provided which is especially adapted for absorption of both blood and urine, since the SAP-material of low cross-linking degree is suitable for absorption of water, and the SAP-material of high cross-linking degree is suitable for absorption of bloodcontaining fluids.
Patent GR-1006732-B (GR)
Title: Country sausage enriched with olive oil
Inventor: EVANGELOPOULOS APOSTOLOS DIMITRIOU
IPC: A23L13/60
Filed: 2008-03-21
Abstract: Country sausage prepared with fat-free pork meat and olive oil protecting against heart diseases.
Patent GR-1006559-B (GR)
Title: Use of metal and metalloid oxides produced by an environmentally friendly process practicable for the cleaning of water, solvents or fluids in general
Inventor: TSIOURVAS DIMITRIOS
IPC: C02F1/28
Filed: 2008-06-09
Abstract: The invention relates to nanoparticles of metalloid and/or metal oxides which nanoparticles are of some nanometres in diameter, are prepared with the assistance of compounds characterised by a sufficient number of aminoacids and are used for the removal of undesirable materials from water, solvents and fluids, in general.
Patent GR-1008050-B (GR)
Title: Industrial use of galactic bacteria immobilised into dried fruit or into liquid or dry pastry products for the production of probiotic ice cream
Inventor: MICHALOPOULOS IOANNIS GEORGIOU
IPC: C12N11/02
Filed: 2012-10-05
Abstract: The invention relates to liquid and/or lyophilized and/or thermally dried probiotic galactic bacteria liable to be immobilized either into dried fruit (e.g. into entire, fragmented, fresh or dried pistachios and almonds) or into pastry products (e.g. entire or fragmented biscuits) or into combination of these ingredients. Said bacteria can be utilised for the industrial or handicraft preparation of any-type probiotic ice cream, for the enhancement of the operational and beneficial activity of the product as well as for the improvement of the nutritional components of this last.
Patent GR-1010429-B (GR)
Title: Wrench free of mobile parts - practicable for nuts and bolts of different sizes
Inventor: GLERIDIS THEODOROS DIMITRIOU
IPC: B25B13/56
Filed: 2022-05-05
Abstract: The invention relates to a wrench practicable for nuts and bolts of various sizes, which wrench has no moving parts. The wrench in question consists of a shaft (1) which is solid or with openings (5) to reduce weight. At the ends of the shaft (1) there are overlapping polygonal holes (2) which are of different sizes and can be present on each side (3) of the shaft (1).
Patent CN-1884575-B (CN)
Title: 构建bac亚克隆库的方法
Inventor: JINGRUI DAI
IPC: C12P19/34
Filed: 2005-06-21
Granted: 2010-08-18
Abstract: 本发明提供了一种改进的BAC亚克隆库构建方法。主要通过以下步骤实现：BAC DNA的提取和纯化；BAC DNA的片段化及末端修补；目标片段的回收及与载体的连接；连接产物的转化。以玉米为例，构建的BAC亚克隆库中，克隆数超过1500，空克隆和大肠杆菌DNA污染率低于5％，插入片段平均为3kb。该方法具有简便、廉价、快速、高效的优点。
Patent CN-1787501-B (CN)
Inventor: SHINICHI TANIMOTO
IPC: H04L25/02
Filed: 2005-12-09
Granted: 2010-05-12
Abstract: 提供一种差动传送线路的辐射噪音抑制电路，其中具备：差动传送线路，其具有差动信号的+侧信号配线及-侧信号配线，并连接差动驱动器和差动接收器之间；信号接地配线，其一端连接在上述差动驱动器，并沿着差动传送线路被配置在其外侧；线圈部，其通过使上述+侧信号配线、上述-侧信号配线、和上述信号接地配线，都以相同的缠绕方向缠绕而成；第1阻抗元件及第2阻抗元件，其与线圈部相比，更靠在差动接收器侧串联地连接在+侧信号配线及-侧信号配线之间，并具有相同的阻抗值；第3阻抗元件，其一端连接在将第1阻抗元件及第2阻抗元件的连接点上，另一端连接在上述信号接地配线的另一端上。
Patent CN-1796207-B (CN)
Title: 汽车及控制汽车发动机启动的方法
Inventor: MARVIN KRASKA
IPC: B60K6/48
Filed: 2005-09-06
Granted: 2010-12-22
Abstract: 本发明公开了一种汽车及启动汽车发动机的方法。所述汽车包括电动机/发电机、位于发动机与电动机/发电机之间的解脱离合器及位于电动机/发电机和汽车驱动轮之间的变速器。变速器包括可选择性接合的输入离合器，以有助于在电动机/发电机和汽车驱动轮之间传输转矩。当请求发动机启动时，操作电动机/发电机，并基于一些汽车参数确定发动机的启动模式。变速器输入离合器被部分地分离使得汽车驱动轮至少部分地隔离于发动机启动时的发动机转矩扰动。接合解脱离合器，并对发动机加燃料，从而有助于发动机产生转矩。本发明的一个优点是提供一种即使当使用电机推进汽车时也能减少或消除传动系统转矩扰动的控制汽车发动机启动的方法及汽车。
Patent CN-1852062-B (CN)
Inventor: HAITI XU
IPC: H04B17/12
Filed: 2005-12-22
Granted: 2011-09-21
Abstract: 本发明公开了一种检测窄带基站的天馈故障点的装置，包括：扫频源，用于产生扫频信号，扫频信号的一部分输出到待检测天馈，另一部分作为混频器的输入；延时模块，用于将天馈故障点反射信号延时后输出到混频器；混频器，用于将扫频信号与延时模块输出的信号进行混频，并将混频后的信号输出到中央处理单元；中央处理单元，用于根据混频器的输出信号检测窄带基站系统天馈故障点。本发明还公开了一种检测窄带基站的天馈故障点的方法。采用本发明所提供的技术方案，解决了由于窄带基站系统的天馈中信号相对带宽窄、检测长度短的特点导致的检测精度下降的问题。
Patent CN-1930194-B (CN)
Inventor: ATSUSHI OOTAKE
IPC: H01L21/027
Filed: 2005-03-08
Granted: 2011-03-30
Abstract: 本发明提供在用于DUV准分子激光平版印刷等时，线边粗糙度小且缺陷也很少发生的抗蚀剂用聚合物，所述聚合作为构成单元含有酸分解性单元，所述酸分解性单元的结构是由下述式(1)或(2)来表示。 n表示2～24的整数。J为，当n＝2时表示单键、二价烃基或具有取代基和/或杂原子的二价烃基，当n≥3时，表示n价烃基或具有取代基和/或杂原子的n价烃基；E表示阻聚剂的、链转移剂的或聚合引发剂的残基。K 1 和K 2 表示亚烷基、环亚烷基、氧亚烷基、亚芳基、二价噻唑啉环、二价恶唑啉环、二价咪唑啉环中的至少一种，L 1 和L 2 表示-C(O)O-、-C(O)-、-OC(O)-中的至少一种，M 1 、M 2 、M 3 表示亚烷基、环亚烷基、氧亚烷基、亚芳基中的至少一种，Y、Y 1 、及Y 2 表示酸分解性键。k1、k2、l1、l2、m1、m2及m3为0或1。R 1 表示氢原子或甲基。
Patent CN-101099286-B (CN)
Inventor: JUKKA MALMBERG
IPC: C07D413/14
Filed: 2005-05-31
Granted: 2010-06-16
Abstract: 本发明的目标是一种用来安装电机，尤其是将转子安装在定子内的方法和安装装置。根据本发明，将两个或更多隔离构件(32)装配在转子(6)的外圆周上，在这些隔离构件最外部分和转子旋转中心线(7)之间的距离小于定子(2)的内半径并大于转子(6)的外半径，并且转子(6)在其轴(10)的方向(S)上插入定子(2)。
Patent CN-101093748-B (CN)
Inventor: JING XUE
IPC: H01F27/30
Filed: 2006-06-23
Granted: 2011-09-21
Abstract: 本发明提出的一种可控组合式电抗器，包括主铁芯、绕在主铁芯上通交流电的主绕组，控制铁芯、绕在控制铁芯上通直流电的控制绕组，其特征在于：所述控制铁芯为一中空的筒状铁芯体，该筒状铁芯体的上、下平面上至少镶嵌着一个带开口的框形主铁芯，由此组成“星形”铁芯主构架；所述的控制铁芯设有绕置在筒体内外的控制绕组；所述的主绕组则绕置在与筒状控制铁芯筒状体径向相平行的主铁芯芯体上。该可控电抗器通过改变控制绕阻的电流大小，可以改变筒状铁芯轴向方向的磁导率，从而改变交流电抗器的电抗值，达到连续、平滑调节电抗器的目的。
Patent CN-101190866-B (CN)
Title: 低乙苯副产物的芳烃烷基转移和脱烷基反应方法
Inventor: XIAOLAN QI
IPC: C07C4/18
Filed: 2006-11-21
Granted: 2011-08-17
Abstract: 本发明涉及一种低乙苯副产物的芳烃烷基转移和脱烷基反应方法，主要解决现有技术中存在的反应产物中乙苯副产物含量高造成混合碳八产物中二甲苯目标产品选择性较低，对芳烃侧链烷基的脱烷基没有选择性的问题。本发明通过采用碳九及其以上重质芳烃和甲苯为原料或单独以碳九及其以上重质芳烃为反应原料，在固定床反应器中，以重量份数计包含SiO 2 /Al 2 O 3 摩尔比为12～70的沸石、选自钼、钯或镍中至少一种的氧化物、选自铁、铋、锡或铂的氧化物和选自镁或钛的氧化物组成催化剂，在重量空速为1.0～3.5小时 -1 ，反应温度350～460℃，反应压力1.5～3.5MPa，氢/烃分子比2.0～8.0反应条件下，催化反应生产二甲苯目标产物的技术方案，较好地解决了该问题。该方法可用于碳九及其以上重质芳烃与甲苯烷基转移和脱烷基反应降低乙苯副产物、增产二甲苯产物的工业生产中。