Assignee: China Petro-Chemical Corporation

Location: Beijing, CN
No. of patents: 37

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Number	Title	Issue Date
6716405	Process for removing unreacted ammonia from an effluent in a hydrocarbon ammoxidation reaction 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 hydr...	04/06/2004
6703339	Components and catalysts for the (co)polymerization of olefins 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 organi...	03/09/2004
6689870	Protein macromolecular dyes Protein macromolecular dyes, A(B)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, ...	02/10/2004
6627578	Catalyst for selective hydrogenation 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...	09/30/2003
6617278	Catalyst system for use in ethylene polymerization and copolymerization and process for preparing the same 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 adju...	09/09/2003
6596897	Catalyst for producing acrylonitrile A fluidized-bed catalyst for producing acrylonitrile by the ammoxidation of propylene, which comprises a silica carrier and a composite having the following formula: Aa Cc Dd Naf Feg Bih Mi...	07/22/2003
6538078	Supported catalyst for ethylene (co)polymerization, preparation and use of the same 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...	03/25/2003
6530422	Heat exchanger tube, a method for making the same, and a cracking furnace or other tubular heat furnaces using the heat exchanger tube 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 h...	03/11/2003
6459008	Selective hydrogenation catalyst system and process for preparing the same and its use 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 o...	10/01/2002
6423760	Fully vulcanized powdery rubber having a controllable particle size, preparation and use thereof 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 wi...	07/23/2002
6345811	Combined packing-tray in a vapor-liquid contacting tower and a process for effecting operation with high capacity and high turndown ratio 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 ...	02/12/2002
6291719	Methods and equipments of using dual functional catalyst of packing type 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 us...	09/18/2001
6207611	Catalyst for hydrodemetalization of heavy oil 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 ...	03/27/2001
6117812	Dual functional catalyst of packing type and the catalytic distillation equipment 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...	09/12/2000
6093866	Alkylation catalyst and the application thereof 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 di...	07/25/2000
6063721	Dry regeneration-demetalization technique for catalyst for residuum and/or heavy oil catalytic cracking 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 ...	05/16/2000
6051528	Amorphous alloy catalyst containing phosphorus, its preparation and use 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...	04/18/2000
5869021	Rare earth--ZSM-5/ZSM-11 cocrystalline zeolite 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 s...	02/09/1999
5817902	Process for preparing ଱-olefins The invention provides a process for making ଱-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 selectiv...	10/06/1998
5789640	Aromatic hydrocarbons alkylation and liquid-solid circulating fluidized bed for alkylation Disclosed is a process for continuous alkylation of aromatics or their derivatives in the presence of a solid acid catalyst in a liquid-solid circulating fluidized bed system, said system comprising a liquid-solid cocurrent upflow reactor, a sedimentation...	08/04/1998
5759951	Hydrogenation demetalization catalyst and preparation thereof Disclosed is a hydrogenation demetalization catalyst with a stabilized alkali metal, having a). an alumina carrier, b). 0.01-10.2% by weight of an alkali metal, c). 0-3.0% by weight of a Group VIB element, and d). 0-3.0% by weight of a Group VIII element of the per...	06/02/1998
5759942	Ion exchange resin catalyst for the synthesis of bisphenols and the process for preparing the same An ion exchange resin catalyst containing sulfonated styrene-divinylbenzene copolymer, a porous structure with micropore area and transfer pass networks, the transfer pass network is composed of main pass networks and branch pass networks, in non-swollen ...	06/02/1998
5698723	Process for the preparation of bistriphenylsilyl chromate Disclosed is a process for the preparation of bistriphenylsilyl chromate, wherein triphenylchlorosilane, potassium dichromate and any one selected from alkali metal oxides, alkali hydroxides and alkali metal carbonates are reacted in, as solvent, a mixtur...	12/16/1997
5679312	Multiple stage suspended reactive stripping process and apparatus A reactive stripping process for continuously carrying out chemical reactions while separating the reactants from the reaction products is provided. The process comprises passing liquid reactants and an inert stripping gaseous stream in a reactor column (...	10/21/1997
5670037	Process for producing light olefins by catalytic conversion of hydrocarbons A process for producing light olefins, especially ethylene, propylene, isobutylene and isoamylene, together with high octane gasoline as by-product, comprises that petroleum hydrocarbons are contacted with phosphorus and rare earth containing high silica ...	09/23/1997
5663456	Method for obtaining large crystals with high purity by destructing part of fines in slurry in a crystallizer The present invention provides a method, which can be operated continuously and has a wide scope of application, for destructing part of fines in slurry in a crystallizer to obtain large crystals having high purity and large crystal size, characterized in...	09/02/1997
5648561	Process for the production of high purity and ultrapure bisphenol-A High purity and ultrapure bisphenol A is prepared in a novel process....	07/15/1997
5629457	Dephenolizing process for production of high-quality polycarbonate grade bisphenol A A process for producing high-quality polycarbonate grade bisphenol A directly by removing phenol from the adduct crystal of bisphenol A with phenol via a gas-solid reaction at low temperature comprises directly feeding the adduct crystal into a vacuum or ...	05/13/1997
5380690	Cracking catalyst for the production of light olefins A cracking catalyst for the production of light olefins comprises 0-70% (based on the weight of the catalyst) of clay, 5-99% of inorganic oxides, and 1-50% of zeolite. The zeolite in the catalyst is a mixture of 0-25 wt % of REY or high silica Y zeolite a...	01/10/1995
5358918	Hydrocarbon conversion catalyst for producing high quality gasoline and C₃ and C₄ olefins A hydrocarbon conversion catalyst for converting petroleum distillates of different boiling ranges, residue oils, and crude oils, especially the heavy hydrocarbons containing high nickel, into high quality gasoline and C3 and C4 olef...	10/25/1994
5358920	Dehydrogenating catalyst for saturate hydrocarbons A dehydrogenating catalyst for saturated hydrocarbons comprising platinum, tin, sodium and ͌-alumina. The support of the catalyst is a large pore diameter ͌-Al2 O3 with dual pore diameter distribution. At least 40% of the total por...	10/25/1994
5326465	Process for the production of LPG rich in olefins and high quality gasoline A process for producing LPG rich in propylene, butylenes and high octane number gasoline by catalytic conversion which comprises contacting the preheated hydrocarbon feedstock with a solid acidic catalyst which contains rare-earth-containing high silica z...	07/05/1994
5286692	Mild hydrocracking catlyst and the process therefor A mild hydrocracking catalyst contains amorphous matrix, zeolite, at least one metal compound selected from Group VIB and at least one metal compound selected from Group VIII. The catalyst is characterized in that the incorporated REUHP zeolite has dual p...	02/15/1994
5227357	Method for preparing a catalyst for reforming naphtha A naphtha-reforming catalyst is prepared by using aluminum hydroxide as a feed stock, which is acidificated in steam at high temperature, then shaped and calcined to form γ-Al2 O3 support which is supported with metals of Pt, Re and...	07/13/1993
5226477	System for recovery and utilization of exhaust heat from a reformer This invention relates to a system for recuperation and utilization of exhaust heat from a reformer, in which a plurality of arc passageways are formed respectively on the opposite outside walls of the reformer body with a plurality of arc-shaped steel sh...	07/13/1993
5223469	Fluidized-bed catalyst for preparing acrylonitrile The present invention relates to a fluidized-bed catalyst for propylene ammoxidation to produce acrylonitrile, which consists of silica support and a composite of the formula Aa Bb Cc Nid Coe Naf	06/29/1993
5177048	Supplementary catalyst for ammoxidation catalysts A supplementary catalyst for long term maintaining the activity of the fluidized bed catalysts for ammoxidation of propylene to produce acrylonitrile. Particularly, the present invention provides a supplementary catalyst for compensating for the loss of t...	01/05/1993

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Assignee: China Petro-Chemical Corporation