| Patent Number |
Title Of Patent |
Date Issued |
| 6828267 |
Magnesium chloride-alcohol carrier and olefin polymerization catalyst components made from the s |
December 7, 2004 |
| Described are a MgCl.sub.2 based carrier containing Ti(OR).sub.4 and ROH, wherein R is C.sub.1.about.C.sub.7 alkyl, and solid catalyst components made from said carrier. The carrier and the solid catalyst components according to the present invention are characterized in that their X-ray |
| 6790343 |
Sulfur transfer additive for catalytic cracking of hydrocarbons and a catalytic cracking process |
September 14, 2004 |
| The present invention relates to a sulfur transfer additive for catalytic cracking of hydrocarbons and a catalytic cracking process of hydrocarbons using the sulfur transfer additive, said additive is a uniform liquid comprising at least two metal elements selected from the following thr |
| 6723291 |
Fluidized bed polymerization reactor |
April 20, 2004 |
| A novel flow deflector employed in a fluidized bed reactor for olefin polymerization is disclosed, which is installed on the entry conduit of the reactor, comprising an annular plate and a cone plate and providing at least three paths for the recycle stream to enter the mixing chamber, |
| 6723228 |
Additive used in catalytic cracking of hydrocarbons and a process of catalytic cracking of hydro |
April 20, 2004 |
| An additive used in catalytic cracking of hydrocarbons, which is in the form of homogeneous liquid and comprises a composite metal compound, wherein said composite metal compound consists of the oxides, hydroxides, organic acid salts, inorganic acid salts or metal organic complex com |
| 6716405 |
Process for removing unreacted ammonia from an effluent in a hydrocarbon ammoxidation reaction |
April 6, 2004 |
| A process for removing unreacted ammonia from an effluent of a catalyst bed used in a hydrocarbon ammoxidation reaction is provided. The process includes a step of providing a fluidized bed reactor. The reactor includes the catalyst bed for reacting ammonia and hydrocarbons therein. The |
| 6703339 |
Components and catalysts for the (co)polymerization of olefins |
March 9, 2004 |
| A catalyst component for the (co)polymerization of olefins is provided. The catalyst comprises titanium, magnesium halogen and a mixed electron-donor and a catalyst for the (co)polymerization of olefins comprising:(A) the catalyst component; (B) an organic aluminum compound; and (C) an o |
| 6689870 |
Protein macromolecular dyes |
February 10, 2004 |
| Protein macromolecular dyes, A(B).sub.b are disclosed, wherein A are protein macromolecules including natural protein macromolecules and modified natural protein macromolecules such as casein, gelatin and fur-protein; B are dyes including azo dyes, azo metal complex dyes and anthraqu |
| 6683017 |
Catalyst system for the (co) polymerization of olefins |
January 27, 2004 |
| A catalyst system for the (co)polymerization of propylene contains (A) a solid catalyst component comprising titanium, magnesium, halogen and a 1,3-diether; (B) an organic aluminum compound; and optionally (C) an organic silicon compound. In comparison with the prior art, stereospeci |
| 6677263 |
Catalytic promoters for the catalytic cracking of hydrocarbons and the preparation thereof |
January 13, 2004 |
| Disclosed is a catalytic promoter for fluid catalytic cracking of hydrocarbons, comprising a HZSM-5 zeolite in an amount of 5-65 wt % based on the total weight of the catalytic promoter, said zeolite being modified with Zn and at least one element selected from the group consisting of P, |
| 6627778 |
Selective hydrogenation process for removing C10-C16 diolefins |
September 30, 2003 |
| The present invention provides an improved selective hydrogenation process for removing C.sub.10 -C.sub.16 diolefins in the product from dehydrogenation of C.sub.10 -C.sub.16 paraffins to mono-olefins, which process includes bringing the mixture stream of paraffins and olefins contai |
| 6627578 |
Catalyst for selective hydrogenation |
September 30, 2003 |
| A catalyst for selective hydrogenation, which comprises, on the basis of the total weight of catalyst, 1-30 wt % of copper as the first active component, 0.001-5 wt % of palladium as the second active component, 0.001-6 wt % of at least one metal selected from Ag, Pt, Pb, Mn, Co, Ni, |
| 6617278 |
Catalyst system for use in ethylene polymerization and copolymerization and process for preparin |
September 9, 2003 |
| The present invention provides a catalyst system and processes for preparing the system for use in ethylene polymerization and copolymerization. The catalyst system is obtained by dissolving any electron-donor activator and optionally, a metal halide adjusting agent, into a solution |
| 6596897 |
Catalyst for producing acrylonitrile |
July 22, 2003 |
| A fluidized-bed catalyst for producing acrylonitrile by the ammoxidation of propylene, which comprises a silica carrier and a composite having the following formula:wherein A selected from the group consisting of potassium, rubidium, cesium, samarium, thallium and mixtures thereof; C is |
| 6538078 |
Supported catalyst for ethylene (co)polymerization, preparation and use of the same |
March 25, 2003 |
| The present invention relates to a highly active titanium based supported catalyst suitable for olefin (co)polymerization, preparation and use of the same. The catalyst according to the present invention is obtained by supporting a titanium based catalyst component containing a halide |
| 6530422 |
Heat exchanger tube, a method for making the same, and a cracking furnace or other tubular heat |
March 11, 2003 |
| A heat exchanger tube, having at least one twisted baffle therein, each of said twisted baffles extends in the inside of the heat exchanger tube along the axis thereof, said twisted baffles extends as long as at least a part of the entire length of said heat exchanger tube, and said twis |
| 6518219 |
Catalyst for hydrorefining fraction oils, its carrier and preparation |
February 11, 2003 |
| A catalyst for hydrofining fraction oils, comprises an alumina carrier and at least one metal and/or thereof oxide of Group VIB and at least one metal and/or thereof oxide of Group VIII supported on said alumina carrier. The pore volume of said alumina carrier is not less than 0.35 m |
| 6475465 |
Titanium-silicalite molecular sieve and the method for its preparation |
November 5, 2002 |
| The present invention relates to a titanium-silicalite (TS-1) molecular sieve and the method for preparation of the same, wherein each crystallite of said titanium-silicalite molecular sieve has a hollow cavity with a radial length of 5-300 nm. The benzene adsorption capacity of the |
| 6459008 |
Selective hydrogenation catalyst system and process for preparing the same and its use |
October 1, 2002 |
| A selective hydrogenation catalyst system, and a process for its preparation and its use. The catalyst system of the invention comprises a support material, a Pd-containing catalyst component and a Bi-containing cocatalyst component. The catalyst system of the invention is manufactured |
| 6444742 |
Polyolefin/clay nanocomposites and process for the preparation thereof |
September 3, 2002 |
| Disclosed are polyolefin/clay nanocomposites, comprising 40 to 99.9% by weight of polyolefins and 0.1 to 60% by weight of sepiolite-palygorskite type clays selected from the group essentially consisting of sepiolite and attapulgite. The nanocomposites in accordance with the present inven |
| 6423760 |
Fully vulcanized powdery rubber having a controllable particle size, preparation and use thereof |
July 23, 2002 |
| The present invention provides a fully vulcanized powdery rubber having a particle size of from 20 to 2000 nm, its preparation and use. The vulcanized powdery rubber is obtained by irradiating a rubber latex having a particle size of from 20 to 2000 nm with a high-energy irradiation. The |
| 6416656 |
Catalytic cracking process for increasing simultaneously the yields of diesel oil and liquefied |
July 9, 2002 |
| This discloses a process for catalytically cracking hydrocarbon stocks in a riser or fluidized bed reactor simultaneously to increase yields of diesel and liquefied gas. The process includes the steps of: first, charging a gasoline stock and a catalytic cracking catalyst into a lower zon |
| 6413412 |
Process for producing diesel oils of superior quality and low solidifying point from fraction oi |
July 2, 2002 |
| This invention discloses a single-stage process for producing diesel oils of superior quality and low solidifying point from fraction oils under controlled reaction conditions, comprising a hydrorefining step, optionally a hydroupgrading step and a hydrodewaxing step combined in seri |
| 6399530 |
Amorphous silica-alumina, a carrier combination and a hydrocracking catalyst containing the same |
June 4, 2002 |
| An acidic amorphous silica-amumina has a large specific surface area and a large pore volume. A carrier complex and a hydrotreating catalyst containing acidic amorphous silica-alumina, in particular a hydrocracking catalyst containing acidic amorphous silica-alumina in combination with a |
| 6387839 |
Compound catalyst system for synthesizing polyethylenes or copolymers of ethylene having bimodal |
May 14, 2002 |
| The present invention provides a compound catalyst system useful for synthesizing polyethylenes or copolymers of ethylene having bimodal or broad molecular weight distributions, prepared by incorporating an organic alcohol as an electron-donor compound and an aluminoxane compound into th |
| 6372853 |
Butadiene/isoprene/monovinyl aromatic monomer heptablock copolymers and method for the preparati |
April 16, 2002 |
| The present invention relates to butadiene/isoprene/monovinyl aromatic monomer heptablock copolymers having the following symmetric structure:wherein Z represents a polymer block of monovinyl aromatic monomer, X and Y, being different from each other, represent polymer blocks of butadiene |
| 6345811 |
Combined packing-tray in a vapor-liquid contacting tower and a process for effecting operation w |
February 12, 2002 |
| A vapor-liquid contacting tower having a tray deck, at least one downcomer and a structure packing layer in the space under the vapor-liquid bubble contacting tray wherein the tray deck has an opening such that vapor ascends upward through the opening to come into contact with the liquid |
| 6342153 |
Pillared clay catalysts for heavy oil catalytic pyrolisis process and the preparation method the |
January 29, 2002 |
| Pillared clay catalysts for converting heavy oil or residual feedstock into maximum ethylene, propylene and butylene products comprises 30-75 wt % special pillared clays prepared by aluminum pillaring agents of high alkaline degree, 10-40 wt % inorganic oxide bonding agents, 0-30 wt % ZR |
| 6306985 |
High activity solid catalyst for producing low-, medium-, and high-density polyethylenes by slur |
October 23, 2001 |
| Disclosed is a high activity solid catalyst for synthesizing low-, medium- and high-density polyethylenes by a slurry phase process, prepared by using commercial powered magnesium as raw material, forming a magnesium halide in the nascent state, followed by successively treating said |
| 6291719 |
Methods and equipments of using dual functional catalyst of packing type |
September 18, 2001 |
| The present invention relates to a method of catalyzing etherification, esterification, hydration, ether cleavage, isomerization alkylation, or other reactions which are catalyzable with an acid or molecular sieve catalyst. Said reactions are conducted using a novel, dual functional |
| 6262327 |
Process for alkylation of isoparaffin with olefin |
July 17, 2001 |
| A process for alkylation of an isoparaffin with an olefin comprising contacting an isoparaffin containing feed with an olefin-containing feed in the presence of a catalyst, said catalyst is a supported heteropoly acid catalyst, which is represented by the following chemical formula: |
| 6262192 |
Introducing a condensing agent into a fluidized bed polymerization reactor operated in the conde |
July 17, 2001 |
| The present invention provides a polymerization process for producing polymers in a continuous gas phase fluidized bed reactor, wherein a recycle stream is allowed to cool down to below its dew point and the resultant two-phase mixture of the gas and liquid phases is recycled to the |
| 6261538 |
Series of water-insoluble polymeric quaternary phosphonium salt used for bactericides |
July 17, 2001 |
| Disclosed is a series of the water-insoluble polymeric quaternary phosphonium salt-type bactericides, which consists of as active bactericidal components an amino quaternary phosphonium salt, a quaternary ammonium group-containing quaternary phosphonium salt, an amino quaternary phos |
| 6218574 |
Process for purifying long-chain dicarboxylic acid |
April 17, 2001 |
| The present invention relates to an aqueous phase process for purifying long-chain dicarboxylic acids from a liquid containing a long-chain dicarboxylic acid/or a salt thereof. The invention overcomes the disadvantages of low purity and high chroma of the product obtained by using th |
| 6211104 |
Catalyst for catalytic pyrolysis process for the production of light olefins and the preparation |
April 3, 2001 |
| A catalyst for catalytic pyrolysis process for the production of light olefins comprises 10.about.70 wt % (based on the weight of catalyst) of clay, 5.about.85 wt % of inorganic oxides and 1-50 wt % zeolite, wherein said zeolite is a mixture of 0.about.25 wt % of Y type zeolite and 7 |
| 6210562 |
Process for production of ethylene and propylene by catalytic pyrolysis of heavy hydrocarbons |
April 3, 2001 |
| A catalytic pyrolysis process for production of ethylene and propylene from heavy hydrocarbons, comprises that heavy hydrocarbons are contacted with a pillared interlayered clay molecular sieve and/or phosphorus and aluminum or magnesium or calcium modified high silica zeolite having a s |
| 6207611 |
Catalyst for hydrodemetalization of heavy oil |
March 27, 2001 |
| A catalyst for hydrodemetalization of heavy oil, especially residuum oil, and a process for preparing the same, wherein said catalyst comprises the metal elements of Groups VIII and/or VIB as active components supported on an alumina carrier having large pores. The total pore volume of s |
| 6156190 |
Conversion process of hydrocarbon oils |
December 5, 2000 |
| A conversion process of hydrocarbon oils comprises at least a hydrodemercaptanization process, wherein said hydrodemercaptanization process comprises contacting a feedstock with a hydrofining catalyst containing a tungsten oxide and/or a molybdenum oxide, a nickel oxide and a cobalt |
| 6150487 |
Multifunctional organic alkali metal initiator and its synthesis, anionic polymerized star polym |
November 21, 2000 |
| This invention relates to a multifunctional organic alkali metal initiator for the preparation of various kinds of star polymers by anionic polymerization, a process for making the initiator, a process using said initiator for making star polymers and the polymers obtained. The initi |
| 6140433 |
Thermoplastic elastomeric block copolymers and process for the preparation thereof |
October 31, 2000 |
| This invention relates to a thermoplastic elastomeric block copolymer and process for the preparation thereof. According to this invention, the block copolymer obtained through block copolymerization process at higher temperature and adding butyllithium in twice during copolymerization a |
| 6117812 |
Dual functional catalyst of packing type and the catalytic distillation equipment |
September 12, 2000 |
| The present invention relates to a dual functional catalyst having both the catalytic reaction function and fractionation function and a catalytic distillation equipment for packing the catalyst therein. Said catalyst has a special shape and can be packed at random into the reaction section |
| 6093866 |
Alkylation catalyst and the application thereof |
July 25, 2000 |
| An alkylation catalyst comprises from 50 to 70 wt % of hydrogen type ZSM-SM-11 co-crystaline zeolite containing rare earth element and the rest amount of porous inorganic oxide matrix material. The zeolite has particular chemical composition and X-ray diffraction lines. This catalyst |
| 6080698 |
Pentasil-type molecular sieve containing composition and its preparation method |
June 27, 2000 |
| A molecular sieve containing composition, which can be applied in catalytic cracking reaction for producing more ethylene and propylene, and its preparation method. The composition contains a pentasil-type molecular sieve having a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of 15-60, prepare |
| 6063721 |
Dry regeneration-demetalization technique for catalyst for residuum and/or heavy oil catalytic c |
May 16, 2000 |
| This invention provides a novel dry chemical process for removing by carbonylation the metals harmful to the catalyst activity from the catalyst for the residuum and/or heavy oil catalytic cracking, comprising: contacting the catalyst contaminated by the poisonous metals with an acti |
| 6051528 |
Amorphous alloy catalyst containing phosphorus, its preparation and use |
April 18, 2000 |
| An amorphous alloy catalyst containing nickel and phosphorus comprising a porous carrier, a Ni--P amorphous alloy supported on the carrier, and a pre-supported catalytic component for inducing and catalyzing the formation of the Ni--P amorphous alloy onto the carrier. In a preferred |
| 6037306 |
Catalyst containing molybdenum and/or tungsten for hydrotreating light oil distillates and prepa |
March 14, 2000 |
| A hydrotreating catalyst containing molybdenum and/or tungsten for light oil distillates, said catalyst contains tungsten oxide and/or moybdenum oxide, nickel oxide and cobalt oxide supported on an alumina carrier, the content of said tungsten oxide and/or molybdenum oxide is from 4 wt % |
| 5972832 |
Distillate hydrocracking catalyst and process for the preparation of the same |
October 26, 1999 |
| The present invention relates to a hydrocracking catalyst containing nickel, tungsten, fluorine, zeolite as well as alumina, said catalyst is composed of, based on the total weight of the catalyst, 0.5-5.0 wt % fluorine, 2.5-6.0 wt % nickel oxide, 10-38 wt % tungsten oxide, and a cat |
| 5951963 |
Phosphorous containing zeolite having MFI type structure |
September 14, 1999 |
| The present invention discloses a phosphorus-containing zeolite having MFI type structure. The anhydrous composition (based on the mole ratios of oxides) of the above zeolite isSaid zeolite possesses a X-ray diffraction pattern listed in Table 1. The pore volume ratio of 1.0-10 nm mesopo |
| 5914290 |
Distillate hydrofining catalyst and a process for the preparation of the same |
June 22, 1999 |
| The present invention discloses a hydrofining catalyst. The catalyst has the following composition based on the total weight of the entire catalyst composition: 1-5%(wt.) nickel oxide, 12-35% (wt.) tungsten oxide, 1-9% (wt.) fluorine, and the balancing amount of composite alumina. Said |
| 5869021 |
Rare earth--ZSM-5/ZSM-11 cocrystalline zeolite |
February 9, 1999 |
| A rare earth-containing zeolite with a cocrystalline structure of ZSM-5 and ZSM-11, wherein the weight ratio of the moiety having the crystalline structure of ZSM-5 to the moiety having the crystalline structure of ZSM-11 is 0.1 to 10, which has, in the sodium form, the X-ray diffraction |
| 5817902 |
Process for preparing .alpha.-olefins |
October 6, 1998 |
| The invention provides a process for making .alpha.-olefins. In the chain growth reaction step of the process a jet loop reactor is used to fully use high pressure ethylene, and two or more stages of the chain growth reaction is used to raise the selectivity of C.sub.6-10 olefins. |
