Assignee
CHINA PETROCHEMICAL CORP
CN·89 granted patents·2,581 citations·filing 1986–2005
Top patents by PatentIndex Score
89 records- 0192US6423760B1Fully vulcanized powdery rubber having a controllable particle size, preparation and use thereofCHINA PETROCHEMICAL CORP·Filed 2000·Granted Jul 23, 2002·70 cites·27 claims
- 0292US4784983ACatalyst system for use in olefinic polymerizationCHINA PETROCHEMICAL CORP·Filed 1986·Granted Nov 15, 1988·98 cites·15 claims
- 0390US5380690ACracking catalyst for the production of light olefinsCHINA PETROCHEMICAL CORP·Filed 1993·Granted Jan 10, 1995·146 cites·9 claims
- 0489US6723297B2Amorphous silica-alumina, a carrier combination and a hydrocracking catalyst containing the same, and processes for the preparation thereofCHINA PETROCHEMICAL CORP·Filed 2002·Granted Apr 20, 2004·51 cites·22 claims
- 0589US6399530B1Amorphous silica-alumina, a carrier combination and a hydrocracking catalyst containing the same, and processes for the preparation thereofCHINA PETROCHEMICAL CORP·Filed 1999·Granted Jun 4, 2002·98 cites·35 claims
- 0689US6210562B1Process for production of ethylene and propylene by catalytic pyrolysis of heavy hydrocarbonsCHINA PETROCHEMICAL CORP·Filed 1998·Granted Apr 3, 2001·98 cites·14 claims
- 0789US6211104B1Catalyst for catalytic pyrolysis process for the production of light olefins and the preparation thereofCHINA PETROCHEMICAL CORP·Filed 1998·Granted Apr 3, 2001·127 cites·13 claims
- 0888US6080698APentasil-type molecular sieve containing composition and its preparation methodCHINA PETROCHEMICAL CORP·Filed 1998·Granted Jun 27, 2000·87 cites·23 claims
- 0988US5326465AProcess for the production of LPG rich in olefins and high quality gasolineCHINA PETROCHEMICAL CORP·Filed 1993·Granted Jul 5, 1994·123 cites·18 claims
- 1087US6262192B1Introducing a condensing agent into a fluidized bed polymerization reactor operated in the condensing modeCHINA PETROCHEMICAL CORP·Filed 2000·Granted Jul 17, 2001·27 cites·1 claims
- 1186US5648561AProcess for the production of high purity and ultrapure bisphenol-ACHINA PETROCHEMICAL CORP·Filed 1994·Granted Jul 15, 1997·36 cites·25 claims
- 1286US5063195AHigh efficiency silver catalyst for the production of ethylene oxide via ethylene oxidationCHINA PETROCHEMICAL CORP·Filed 1989·Granted Nov 5, 1991·78 cites·21 claims
- 1385US6627778B2Selective hydrogenation process for removing C10-C16 diolefinsCHINA PETROCHEMICAL CORP·Filed 2001·Granted Sep 30, 2003·23 cites·9 claims
- 1485US6342153B1Pillared clay catalysts for heavy oil catalytic pyrolisis process and the preparation method thereofCHINA PETROCHEMICAL CORP·Filed 1998·Granted Jan 29, 2002·75 cites·17 claims
- 1585US6117812ADual functional catalyst of packing type and the catalytic distillation equipmentCHINA PETROCHEMICAL CORP·Filed 1998·Granted Sep 12, 2000·73 cites·19 claims
- 1684US6376417B1Catalyst for the polymerization of propylene and its useCHINA PETROCHEMICAL CORP·Filed 2000·Granted Apr 23, 2002·41 cites·18 claims
- 1784US5951963APhosphorous containing zeolite having MFI type structureCHINA PETROCHEMICAL CORP·Filed 1998·Granted Sep 14, 1999·75 cites·14 claims
- 1882US6420307B1Fluidized-bed catalyst for propylene ammoxidation to acrylonitrileCHINA PETROCHEMICAL CORP·Filed 2000·Granted Jul 16, 2002·27 cites·11 claims
- 1982US5834394AFluidized-bed catalyst for propylene ammoxidation to acrylonitrileCHINA PETROCHEMICAL CORP·Filed 1997·Granted Nov 10, 1998·63 cites·14 claims
- 2081US6518219B1Catalyst for hydrorefining fraction oils, its carrier and preparationCHINA PETROCHEMICAL CORP·Filed 2000·Granted Feb 11, 2003·27 cites·26 claims
- 2181US5670037AProcess for producing light olefins by catalytic conversion of hydrocarbonsCHINA PETROCHEMICAL CORP·Filed 1994·Granted Sep 23, 1997·69 cites·17 claims
- 2279US6627578B2Catalyst for selective hydrogenationCHINA PETROCHEMICAL CORP·Filed 2001·Granted Sep 30, 2003·21 cites·31 claims
- 2379US6444742B1Polyolefin/clay nanocomposites and process for the preparation thereofCHINA PETROCHEMICAL CORP·Filed 1999·Granted Sep 3, 2002·34 cites·10 claims
- 2479US6416656B1Catalytic cracking process for increasing simultaneously the yields of diesel oil and liquefied gasCHINA PETROCHEMICAL CORP·Filed 2000·Granted Jul 9, 2002·34 cites·26 claims
- 2577US6683017B2Catalyst system for the (co) polymerization of olefinsCHINA PETROCHEMICAL CORP·Filed 2000·Granted Jan 27, 2004·20 cites·14 claims
- 2677US6495028B1Catalytic conversion process for producing isobutane and isoparaffin-enriched gasolineCHINA PETROCHEMICAL CORP·Filed 2000·Granted Dec 17, 2002·25 cites·27 claims
- 2776US6291719B1Methods and equipments of using dual functional catalyst of packing typeCHINA PETROCHEMICAL CORP·Filed 2000·Granted Sep 18, 2001·24 cites·9 claims
- 2875US5223469AFluidized-bed catalyst for preparing acrylonitrileCHINA PETROCHEMICAL CORP·Filed 1991·Granted Jun 29, 1993·31 cites·11 claims
- 2974US6530422B2Heat exchanger tube, a method for making the same, and a cracking furnace or other tubular heat furnaces using the heat exchanger tubeCHINA PETROCHEMICAL CORP·Filed 2001·Granted Mar 11, 2003·16 cites·5 claims
- 3074US6420621B2Optimized process for the preparation of olefins by direct conversion of multiple hydrocarbonsCHINA PETROCHEMICAL CORP·Filed 1998·Granted Jul 16, 2002·28 cites·5 claims
- 3174US5308592AEquipment for mixed phase reaction distillationCHINA PETROCHEMICAL CORP·Filed 1992·Granted May 3, 1994·38 cites·13 claims
- 3273US5663456AMethod for obtaining large crystals with high purity by destructing part of fines in slurry in a crystallizerCHINA PETROCHEMICAL CORP·Filed 1994·Granted Sep 2, 1997·15 cites·15 claims
- 3371US6617278B1Catalyst system for use in ethylene polymerization and copolymerization and process for preparing the sameCHINA PETROCHEMICAL CORP·Filed 1999·Granted Sep 9, 2003·33 cites·29 claims
- 3471US6218574B1Process for purifying long-chain dicarboxylic acidCHINA PETROCHEMICAL CORP·Filed 1999·Granted Apr 17, 2001·17 cites·10 claims
- 3570US6723291B1Fluidized bed polymerization reactorCHINA PETROCHEMICAL CORP·Filed 2000·Granted Apr 20, 2004·10 cites·3 claims
- 3668US6475465B2Titanium-silicalite molecular sieve and the method for its preparationCHINA PETROCHEMICAL CORP·Filed 2000·Granted Nov 5, 2002·9 cites·23 claims
- 3768US5358918AHydrocarbon conversion catalyst for producing high quality gasoline and C3 and C4 olefinsCHINA PETROCHEMICAL CORP·Filed 1993·Granted Oct 25, 1994·34 cites·19 claims
- 3867US6372853B1Butadiene/isoprene/monovinyl aromatic monomer heptablock copolymers and method for the preparation thereofCHINA PETROCHEMICAL CORP·Filed 2000·Granted Apr 16, 2002·12 cites·15 claims
- 3965US6677263B2Catalytic promoters for the catalytic cracking of hydrocarbons and the preparation thereofCHINA PETROCHEMICAL CORP·Filed 2001·Granted Jan 13, 2004·12 cites·20 claims
- 4065US6156190AConversion process of hydrocarbon oilsCHINA PETROCHEMICAL CORP·Filed 1999·Granted Dec 5, 2000·31 cites·29 claims
- 4165US6093866AAlkylation catalyst and the application thereofCHINA PETROCHEMICAL CORP·Filed 1997·Granted Jul 25, 2000·12 cites·8 claims
- 4265US6019954ACatalyst and process for the conversion of carbon monoxideCHINA PETROCHEMICAL CORP·Filed 1996·Granted Feb 1, 2000·36 cites·12 claims
- 4365US5523061AEquipment for catalytic distillationCHINA PETROCHEMICAL CORP·Filed 1995·Granted Jun 4, 1996·28 cites·10 claims
- 4464US6459008B1Selective hydrogenation catalyst system and process for preparing the same and its useCHINA PETROCHEMICAL CORP·Filed 2000·Granted Oct 1, 2002·11 cites·11 claims
- 4562US6004454AHydrocracking of heavy oil and residuum with a dispersing-type catalystCHINA PETROCHEMICAL CORP·Filed 1998·Granted Dec 21, 1999·29 cites·8 claims
- 4660US6703339B2Components and catalysts for the (co)polymerization of olefinsCHINA PETROCHEMICAL CORP·Filed 2000·Granted Mar 9, 2004·6 cites·20 claims
- 4760US5679312AMultiple stage suspended reactive stripping process and apparatusCHINA PETROCHEMICAL CORP·Filed 1994·Granted Oct 21, 1997·26 cites·18 claims
- 4858US7678342B1Riser reactor for fluidized catalytic conversionCHINA PETROCHEMICAL CORP·Filed 2000·Granted Mar 16, 2010·10 cites·7 claims
- 4958US6345811B1Combined packing-tray in a vapor-liquid contacting tower and a process for effecting operation with high capacity and high turndown ratioCHINA PETROCHEMICAL CORP·Filed 1999·Granted Feb 12, 2002·22 cites·25 claims
- 5058US5954944AProcess for hydrocracking heavy distillate oil under middle pressureCHINA PETROCHEMICAL CORP·Filed 1997·Granted Sep 21, 1999·24 cites·15 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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