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公开(公告)号：EP0739360B1
公开(公告)日：2001-04-11
申请号：EP94927237.1
申请日：1994-08-29
CPC分类号： C08F10/00 , C08F4/63904 , C08F4/63908 , C08F4/63912 , C08F4/63916 , C08F4/6392 , C08F210/16 , C08F210/08 , C08F2500/12
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公开(公告)号：EP1078009A1
公开(公告)日：2001-02-28
申请号：EP99917603.5
申请日：1999-04-16
IPC分类号： C08F110/06 , C08L23/12
CPC分类号： C08F110/06 , C08F4/65912 , C08F4/65927 , C08F10/00 , C08J9/122 , C08J2323/12 , C08L23/12 , C08L2205/02 , C08L2205/025 , C08L2314/06 , Y10S526/943 , C08F2/001 , C08L2666/04 , C08F2500/15 , C08F2500/04 , C08F2500/01 , C08F2500/26 , C08F2500/12 , C08F4/65916 , C08F2500/20 , C08F2500/03
摘要： This invention relates to isotactic propylene homopolymer compositions obtained from metallocene catalysis wherein the polymer has a molecular weight distribution (Mw/Mn) in the range of from about 2.5 to about 20.0. The isotactic propylene homopolymer composition may be prepared in a multiple stage polymerization process using the same metallocene component in at least two stages.
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公开(公告)号：EP0616616B2
公开(公告)日：2001-02-28
申请号：EP93901349.6
申请日：1992-12-12
发明人： AUDA, Richard, Stephen , DAVIS, William, Myers , CHUNG, David, Yen-Lung , FLATLEY, Lawrence, William, Jr. , JONES, Brenton, George , WHITE, Donald, Andrew , WOUDBOER, Hans, Gerlach
IPC分类号： C08F8/00
CPC分类号： C08F8/00 , B29B9/065 , B29C47/0011 , B29C47/0021 , B29C47/367 , B29C47/762 , B29C47/827 , B29C47/8895 , B29C47/92 , B29C2947/92704 , C08F10/00
摘要： Multiple sequential chemical reactions on a polymeric feedstock are carried out in an extruder with multiple reaction zones. Each reaction zone has means for introduction of reagents, for mixing of reagents with polymer and for removal of by/co-products or unreacted reagents.
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公开(公告)号：EP1070112A1
公开(公告)日：2001-01-24
申请号：EP99916589.7
申请日：1999-04-09
发明人： EMERT, Jacob, Isaac , REA, Salvatore , STOKES, James, P. , VAN DRIESEN, Karl, J. , WILKINSON, Robert, A. , HIGTON, Gary , RITCHIE, Andrew, J., D. , MACDONALD, Iasabel, Petrina
IPC分类号： C10M171/06 , C10M169/04
CPC分类号： C10M163/00 , C10M2207/021 , C10M2207/023 , C10M2207/028 , C10M2207/262 , C10M2207/288 , C10M2215/04 , C10M2215/042 , C10M2215/08 , C10M2215/082 , C10M2215/26 , C10M2215/28 , C10M2217/00 , C10M2217/02 , C10M2217/04 , C10M2217/046 , C10M2217/06 , C10M2219/046 , C10M2219/087 , C10M2219/088 , C10M2219/089 , C10M2223/045 , C10N2270/02
摘要： Concentrates for lubricating oil compositions are prepared by mixing at elevated temperature: (i) at least one high molecular weight ashless dispersant; (ii) at least one oil-soluble overbased metal detergent; and (iii) at least one surface-active agent comprising a low molecular weight hydroxyl or amine group.
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公开(公告)号：EP1064311A1
公开(公告)日：2001-01-03
申请号：EP99909821.3
申请日：1999-03-03
CPC分类号： C08F10/00 , C08F4/65908 , C08F4/65912 , C08F4/65927 , C08F210/06 , C08F210/16 , C08F210/18 , C08L23/142 , C08L23/16 , C08L2205/025 , C08L2308/00 , C08L2312/00 , C08L2314/06 , Y10S526/916 , Y10S526/943 , C08F2/06 , C08F4/6592 , C08F2/001 , C08L2666/04 , C08F2500/17 , C08F2500/03 , C08F2500/08 , C08F2500/15 , C08F2500/21 , C08F2500/04 , C08F2500/20 , C08F210/14 , C08F2500/12 , C08F2500/25 , C08F236/20
摘要： The invention is directed to olefin polymerization processes using bridged hafnocene catalyst complexes comprising highly substitued noncoordinating anions that are surprisingly stable under high temperature olefin polymerization processes such that olefin copolymers having significant amount of incorporated comonomer can be prepared with high molecular weights. More specifically, the invention is a polymerization process for ethylene copolymers having a melt index of about 0.87 to about 0.930 comprising contacting, under homogeneous polymerization conditions at a reaction temperature at or above 140 °C to 225 °C, ethylene and one or more comonomers capable of insertion polymerization with a bridged hafnocene catalyst complex derived from A) a biscyclopentadienyl hafnium organometallic compound having i) at least one unsubstituted cyclopentadienyl ligand or aromatic fused-ring substituted cyclopentadienyl ligand, ii) one aromatic fused-ring substituted cyclopentadienyl ligand, iii) and a covalent bridge connecting the two cyclopentadienyl ligands, said bridge comprising a single carbon or silicon atom; and (B) an activating cocatalyst, precursor ionic compound comprising a halogenated tetraaryl-substituted Group 13 anion wherein each aryl substituent contains at least two cyclic aromatic rings.
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16.发明公开CRANKCASE LUBRICANT COMPOSITIONS AND METHOD OF IMPROVING ENGINE DEPOSIT PERFORMANCE 审中-公开浸透性润滑剂成分和方法，MOTOR减少沉积物
公开(公告)号：EP1062309A1
公开(公告)日：2000-12-27
申请号：EP98952380.8
申请日：1998-10-20
IPC分类号： C10M159/20
CPC分类号： C10M163/00 , C10M129/10 , C10M129/40 , C10M129/58 , C10M133/56 , C10M135/10 , C10M135/30 , C10M137/10 , C10M159/16 , C10M159/24 , C10M2207/023 , C10M2207/026 , C10M2207/027 , C10M2207/028 , C10M2207/125 , C10M2207/126 , C10M2207/129 , C10M2207/144 , C10M2207/146 , C10M2207/16 , C10M2207/262 , C10M2215/04 , C10M2215/086 , C10M2215/26 , C10M2215/28 , C10M2217/043 , C10M2217/046 , C10M2217/06 , C10M2219/044 , C10M2219/046 , C10M2219/087 , C10M2219/088 , C10M2219/089 , C10M2223/045 , C10M2223/065 , C10N2210/00 , C10N2210/01 , C10N2210/02 , C10N2240/10 , C10N2240/101 , C10N2240/104 , C10N2240/106
摘要： A low phosphorus passenger car motor oil containing an oil of lubricating viscosity as the major component and a tri-metal detergent mixture as a minor component, wherein the tri-metal detergent mixture comprises at least one calcium overbased metal detergent, at least one magnesium overbased metal detergent and at least one sodium overbased metal detergent, wherein the tri-metal detergent mixture is present in the oil composition in an amount such that the total TBN contributed to the oil composition by the tri-metal detergent mixture is from about 2 to about 12, and wherein the calcium overbased detergent contributes from about 8 to about 42% of the total TBN contributed by the tri-metal detergent mixture, the magnesium overbased detergent contributes from about 29 to about 60% of the total TBN contributed by the tri-metal detergent mixture, and the sodium overbased detergent contributes from about 15 to about 64% of the total TBN contributed by the tri-metal detergent mixture.
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公开(公告)号：EP0900186B1
公开(公告)日：2000-12-20
申请号：EP97918156.7
申请日：1997-04-23
IPC分类号： C07C41/54 , C07C41/50 , C07C43/315 , C07C45/51 , C07C51/235 , C07C47/19 , C07C49/17 , C07C59/08
CPC分类号： C07C45/515 , C07C41/54 , C07C45/512 , C07C51/235 , C07C49/17 , C07C47/19 , C07C59/08 , C07C43/315
摘要： A propene ether is selectively oxidized to an aldehyde-masked 2-hydroxypropanal using a metal-containing oxidation catalyst.
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公开(公告)号：EP1059311A2
公开(公告)日：2000-12-13
申请号：EP00120235.7
申请日：1997-06-17
CPC分类号： C08F10/02 , C08F4/65908 , C08F4/65912 , C08F4/65916 , C08F4/6592 , C08F4/65925 , C08F4/65927 , C08F10/00 , C08F110/06 , C08F2410/04 , C08F4/61904 , C08F4/65904 , C08F2500/03 , C08F2500/10 , C08F4/7006
摘要： The invention encompasses a mixed transition metal olefin polymerization catalyst system suitable for the polymerization of olefin monomers comprising one late transition metal catalyst system and at least one different catalyst system selected from the group consisting of late transition metal catalyst systems, transition metal metallocene catalyst systems or Ziegler-Natta catalyst systems. Preferred embodiments include at least one late transition metal catalyst system comprising a Group 9, 10, or 11 metal complex stabilized by a bidentate ligand structure and at least one transition metal metallocene catalyst system comprising a Group 4 metal complex stabilized by at least one ancillary cyclopentadienyl ligand. The polymerization process for olefin monomers comprises contacting one or more olefins with these catalyst systems under polymerization conditions.
摘要翻译： 本发明包括适用于烯烃单体的聚合的混合过渡金属烯烃聚合催化剂体系，所述烯烃单体包括一个后过渡金属催化剂体系和至少一种不同的催化剂体系，所述催化剂体系选自后过渡金属催化剂体系，过渡金属茂金属催化剂体系或 齐格勒 - 纳塔催化剂体系。 优选的实施方案包括至少一种后过渡金属催化剂体系，其包含通过二齿配体结构稳定的第9,10或11族金属络合物和至少一种过渡金属茂金属催化剂体系，其包含由至少一个辅助环戊二烯 配体。 烯烃单体的聚合方法包括在聚合条件下使一种或多种烯烃与这些催化剂体系接触。
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19.发明公开
公开(公告)号：EP1059309A2
公开(公告)日：2000-12-13
申请号：EP00120842.0
申请日：1997-12-31
CPC分类号： C08F10/00 , B01J2219/00114 , B01J2219/0013 , B01J2219/00162 , B01J2219/00182 , C08F2/001
摘要： A method for polymerizing olefins, comprising contacting polyolefin forming catalyst with olefin in countercurrent flow in a reaction system having greater than or equal to two reactors in series and in a reaction system with three reactors in series.
摘要翻译： 一种聚合烯烃的方法，包括在具有大于或等于两个串联的反应器的反应体系中和在具有三个串联的反应器的反应系统中的逆流中将聚烯烃形成催化剂与烯烃反应。
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公开(公告)号：EP1044225A1
公开(公告)日：2000-10-18
申请号：EP98956703.7
申请日：1998-11-12
IPC分类号： C08F10/06 , C08F210/06 , C08F4/64 , C08F2/00
CPC分类号： C08L51/06 , C08F4/65912 , C08F10/00 , C08F10/06 , C08F110/06 , C08F255/00 , C08F255/02 , C08F290/042 , C08F297/08 , C08F297/083 , Y10S526/943 , C08F4/65927 , C08F2500/15 , C08F2500/03 , C08F2500/06 , C08F2500/09
摘要： A polyolefin composition is provided which consists essentially of isotactic polypropylene and, optionally, one or more comonomers, wherein the total comonomer content of the polyolefin composition is from 0 to 20 mole percent, and further, wherein the weight average branching index g' for the lower molecular weight region of the polyolefin composition is less than 0.93. Additionally, a process is provided for producing a polyolefin composition comprising: a) contacting in solution, at a temperature from about 90 °C to about 120 °C, propylene monomers with a catalyst composition comprising a first chiral, stereorigid transition metal catalyst compound capable of producing isotactic polypropylene; b) copolymerizing the product of a) with propylene and, optionally, one or more copolymerizable monomers, in a polymerization reactor under suitable polypropylene polymerization conditions using a second chiral, stereorigid transition metal catalyst capable of producing isotactic polypropylene; and c) recovering a branched olefin polymer.
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