JP3275211B2 - 付加重合触媒の製造方法 - Google Patents

付加重合触媒の製造方法

Info

Publication number
JP3275211B2
JP3275211B2 JP16522892A JP16522892A JP3275211B2 JP 3275211 B2 JP3275211 B2 JP 3275211B2 JP 16522892 A JP16522892 A JP 16522892A JP 16522892 A JP16522892 A JP 16522892A JP 3275211 B2 JP3275211 B2 JP 3275211B2
Authority
JP
Japan
Prior art keywords
metal
group
cyclopentadienyl
periodic table
hydrogen atoms
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP16522892A
Other languages
English (en)
Japanese (ja)
Other versions
JPH05230123A (ja
Inventor
ディ デボア デビッド
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dow Chemical Co filed Critical Dow Chemical Co
Publication of JPH05230123A publication Critical patent/JPH05230123A/ja
Application granted granted Critical
Publication of JP3275211B2 publication Critical patent/JP3275211B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F17/00—Metallocenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02—Silicon compounds
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/10—Compounds having one or more C—Si linkages containing nitrogen having a Si-N linkage
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/28—Titanium compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F10/02—Ethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
JP16522892A 1991-05-20 1992-05-14 付加重合触媒の製造方法 Expired - Lifetime JP3275211B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70247591A 1991-05-20 1991-05-20
US702,475 1991-05-20

Publications (2)

Publication Number Publication Date
JPH05230123A JPH05230123A (ja) 1993-09-07
JP3275211B2 true JP3275211B2 (ja) 2002-04-15

Family

ID=24821367

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16522892A Expired - Lifetime JP3275211B2 (ja) 1991-05-20 1992-05-14 付加重合触媒の製造方法

Country Status (9)

Country Link
EP (1) EP0514828B1 (enExample)
JP (1) JP3275211B2 (enExample)
KR (1) KR100231947B1 (enExample)
BR (1) BR9201964A (enExample)
CA (1) CA2068938C (enExample)
DE (1) DE69222974T2 (enExample)
ES (1) ES2108714T3 (enExample)
FI (1) FI109423B (enExample)
TW (1) TW239865B (enExample)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE37788E1 (en) * 1987-01-30 2002-07-09 Exxon Chemical Patents, Inc. Monocyclopentadienyl metal compounds for ethylene-α-olefin-copolymer production catalysts
US5621126A (en) 1987-01-30 1997-04-15 Exxon Chemical Patents Inc. Monocyclopentadienyl metal compounds for ethylene-α-olefin-copolymer production catalysts
US5264405A (en) 1989-09-13 1993-11-23 Exxon Chemical Patents Inc. Monocyclopentadienyl titanium metal compounds for ethylene-α-olefin-copolymer production catalysts
US5763547A (en) * 1992-10-02 1998-06-09 The Dow Chemical Company Supported catalyst complexes for olefin in polymerization
US5278272A (en) 1991-10-15 1994-01-11 The Dow Chemical Company Elastic substantialy linear olefin polymers
US6545088B1 (en) 1991-12-30 2003-04-08 Dow Global Technologies Inc. Metallocene-catalyzed process for the manufacture of EP and EPDM polymers
US5455333A (en) * 1993-08-16 1995-10-03 Albemarle Corporation Preparation of metallocenes
US5359105A (en) * 1993-11-01 1994-10-25 Albemarle Corporation Deprotonation of cyclopentadienyl derivatives
US5504223A (en) * 1994-01-25 1996-04-02 The Dow Chemical Company Synthesis of cyclopentadienyl metal coordination complexes from metal hydrocarbyloxides
US5504224A (en) * 1994-03-14 1996-04-02 The Dow Chemical Company Preparation of monocyclopentadienyl metal complexes by nucleophilic substitution of bis(cyclopentadienyl) metal complexes
US5486632A (en) * 1994-06-28 1996-01-23 The Dow Chemical Company Group 4 metal diene complexes and addition polymerization catalysts therefrom
US6111020A (en) * 1994-09-02 2000-08-29 The Dow Chemical Company Crosslinked foams from blends of ethylene vinyl acetate and ethylene-styrene interpolymers
US5495036A (en) * 1994-09-12 1996-02-27 The Dow Chemical Company Metal (III) complexes containing conjugated, non-aromatic anionic II-bound groups and addition polymerization catalysts therefrom
US5541349A (en) * 1994-09-12 1996-07-30 The Dow Chemical Company Metal complexes containing partially delocalized II-bound groups and addition polymerization catalysts therefrom
US7153909B2 (en) 1994-11-17 2006-12-26 Dow Global Technologies Inc. High density ethylene homopolymers and blend compositions
US6214954B1 (en) 1994-12-13 2001-04-10 Asahi Kasei Kogyo Kabushiki Kaisha Olefin polymerization catalyst
US6194341B1 (en) 1996-06-17 2001-02-27 Exxon Chemical Patents Inc. Mixed transition metal catalyst systems for olefin polymerization
DE19624581C2 (de) 1996-06-20 1999-02-04 Targor Gmbh Übergangsmetallverbindung und ein Verfahren zu ihrer Herstellung, sowie ihre Verwendung
BR9710518A (pt) * 1996-07-22 1999-08-17 Dow Chemical Co Complexo de metal composi-Æo de catalisador e processo de polimeriza-Æo
EP0914353B1 (en) * 1996-07-23 2002-09-04 The Dow Chemical Company Olefin polymerization catalyst composition comprising group 13 compound
TR199900487T2 (xx) 1996-08-08 1999-06-21 The Dow Chemical Company �� heteroatom ikameli siklopentadienil i�eren metal kompleksleri ve olefin polimerizasyonu i�in i�lem.
AU712414B2 (en) 1996-09-04 1999-11-04 Dow Chemical Company, The Floor, wall or ceiling covering
ZA977909B (en) 1996-09-04 1999-03-03 Dow Chemical Co Compositions comprising a substantially random interpolymer of at least one alpha-olefin and at least one vinylidene aromatic monomer or hindered aliphatic vinylidene monomer
US6015868A (en) * 1996-10-03 2000-01-18 The Dow Chemical Company Substituted indenyl containing metal complexes and olefin polymerization process
US6812289B2 (en) 1996-12-12 2004-11-02 Dow Global Technologies Inc. Cast stretch film of interpolymer compositions
AR012582A1 (es) 1997-04-14 2000-11-08 Dow Global Technologies Inc Composiciones polimericas de elongacion mejorada y formulaciones adhesivas de fusion en caliente que incluyen dicha composicion
US6420507B1 (en) 1997-05-01 2002-07-16 The Dow Chemical Company Olefin polymers prepared with substituted indenyl containing metal complexes
JPH1112289A (ja) * 1997-06-19 1999-01-19 Sumitomo Chem Co Ltd 架橋型遷移金属錯体の製造方法
KR20010022700A (ko) 1997-08-08 2001-03-26 그래햄 이. 테일러 바닥, 벽 또는 천장 피복재로 사용하기에 적합한 시이트재, 및 그를 제조하기 위한 방법 및 중간체
US7232871B2 (en) 1997-08-12 2007-06-19 Exxonmobil Chemical Patents Inc. Propylene ethylene polymers and production process
US6635715B1 (en) 1997-08-12 2003-10-21 Sudhin Datta Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers
US6921794B2 (en) 1997-08-12 2005-07-26 Exxonmobil Chemical Patents Inc. Blends made from propylene ethylene polymers
EP1003812B1 (en) 1997-08-15 2005-02-09 Dow Global Technologies Inc. Films produced from substantially linear homogeneous olefin polymer compositions
CA2301526A1 (en) 1997-08-27 1999-03-04 Michael E. Rowland Elastomers with improved processability
HUP0004603A2 (hu) 1997-10-17 2001-04-28 The Dow Chemical Company Alfa-olefin monomerek egy vagy több vinil- vagy vinilidén-aromás monomerrel és/vagy egy vagy több gátolt alifás vagy cikloalifás vinil vagy vinilidén monomerrel alkotott interpolimerjét és vezetőképes adalékanyagokat tartalmazó elegyek
US6699573B1 (en) 1998-03-16 2004-03-02 Dow Global Technologies Inc. Liner compositions
EP1098934A1 (en) 1998-07-01 2001-05-16 Exxon Chemical Patents Inc. Elastic blends comprising crystalline polymer and crystallizable polymers of propylene
UA57864C2 (uk) * 1998-10-08 2003-07-15 Бп Кемікалз Лімітед Спосіб полімеризації олефінів з використанням місточкових металевих комплексів
MXPA01004337A (es) 1998-11-02 2002-04-24 Pont Dow Elastomers L L C Du Interpolimeros de alfa-olefina/etileno que disminuyen el esfuerzo cortante.
US6231795B1 (en) 1998-12-04 2001-05-15 The Dow Chemical Company Soft and flexible foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers
US6048909A (en) * 1998-12-04 2000-04-11 The Dow Chemical Company Foams having increased heat distortion temperature made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers
US5993707A (en) * 1998-12-04 1999-11-30 The Dow Chemical Company Enlarged cell size foams made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers
US6187232B1 (en) 1998-12-04 2001-02-13 The Dow Chemical Company Acoustical insulation foams
WO2000034385A1 (en) 1998-12-08 2000-06-15 The Dow Chemical Company Mel-bondable polypropylene/ethylene polymer fiber and composition for making the same
DE60000831T2 (de) 1999-04-29 2003-08-28 Dow Global Technologies Inc Bis(n,n-dihydrocarbylamino)-substituierte cyclopentadiene und diese enthaltende metallkomplexe
EP1178996B1 (en) 1999-05-13 2003-03-05 Dow Global Technologies Inc. Metal complexes containing bridging heteroatom for olefin-polymerization-process
AU3764600A (en) 1999-05-13 2000-12-05 Dow Chemical Company, The Di- and tri-heteroatom substituted indenyl metal complexes
JP2003501433A (ja) 1999-06-04 2003-01-14 ザ ダウ ケミカル カンパニー ホウ素置換シクロペンタジエンの４族金属錯体
US6331597B1 (en) 1999-08-09 2001-12-18 The Dow Chemical Company Azidosilane-modified, moisture-curable polyolefin polymers, process for making, and articles obtained therefrom
WO2001012716A2 (en) 1999-08-17 2001-02-22 The Dow Chemical Company Free-flowing polymer composition
US6369176B1 (en) 1999-08-19 2002-04-09 Dupont Dow Elastomers Llc Process for preparing in a single reactor polymer blends having a broad molecular weight distribution
WO2001051547A1 (en) 2000-01-07 2001-07-19 Dow Global Technologies Inc. Thermoformable ethylene/styrene interpolymer-based polymer blend film for three-dimensional transfer finish foil
US6160029A (en) * 2000-03-08 2000-12-12 The Dow Chemical Company Olefin polymer and α-olefin/vinyl or α-olefin/vinylidene interpolymer blend foams
US6649671B2 (en) 2000-03-13 2003-11-18 Dow Global Technologies Inc. Concrete and process to make same
BR0112607A (pt) 2000-07-20 2003-06-10 Dow Global Technologies Inc Composições de espuma a partir de uma mescla de polìmeros aromáticos alquenìlicos e interpolìmeros aromáticos alfa-olefìnicos/vinìlicos ou vinilidênicos
US6559230B2 (en) 2000-09-29 2003-05-06 Dupont Dow Elastomers L.L.C. Thermosetting ethylene/alpha-olefin composition and safety glass interlayer film made from the composition
ATE485319T1 (de) 2001-04-12 2010-11-15 Exxonmobil Chem Patents Inc Verfahren zur polymerisation von propylen und ethylen in lösung
RU2296047C2 (ru) 2001-07-25 2007-03-27 Пирелли Пнеуматичи С.П.А. Способ и устройство для непрерывного получения эластомерного состава
US6953501B2 (en) 2001-08-10 2005-10-11 Inventions & Discoveries, Llc Wood treatment composition and method of use
MY139205A (en) 2001-08-31 2009-08-28 Pennzoil Quaker State Co Synthesis of poly-alpha olefin and use thereof
SG147306A1 (en) 2001-11-06 2008-11-28 Dow Global Technologies Inc Isotactic propylene copolymers, their preparation and use
US6927256B2 (en) 2001-11-06 2005-08-09 Dow Global Technologies Inc. Crystallization of polypropylene using a semi-crystalline, branched or coupled nucleating agent
US6906160B2 (en) 2001-11-06 2005-06-14 Dow Global Technologies Inc. Isotactic propylene copolymer fibers, their preparation and use
US7964128B2 (en) 2001-12-19 2011-06-21 Pirelli Pneumatici S.P.A. Process and apparatus for continuously producing an elastomeric composition
EP1521668B1 (en) 2002-07-11 2010-04-14 Pirelli Tyre S.p.A. Process and apparatus for continuously producing an elatomeric composition
AU2003299143A1 (en) 2002-10-02 2004-04-23 Dow Global Technologies Inc. Liquid and gel-like low molecular weight ethylene polymers
CN100374494C (zh) 2002-10-17 2008-03-12 陶氏环球技术公司 高度填充的聚合物组合物
EP1554226A1 (en) 2002-10-23 2005-07-20 Pirelli & C. S.p.A. Optical fiber with thermoplastic material based coating
US7579407B2 (en) 2002-11-05 2009-08-25 Dow Global Technologies Inc. Thermoplastic elastomer compositions
US7459500B2 (en) 2002-11-05 2008-12-02 Dow Global Technologies Inc. Thermoplastic elastomer compositions
US7214638B2 (en) 2002-12-13 2007-05-08 Dow Global Technologies Inc. Olefin polymerization catalyst composition comprising group 13 amide derivatives
US7084219B2 (en) * 2003-03-25 2006-08-01 Sumitomo Chemical Company, Limited Contact product, and catalyst component and catalyst for addition polymerization, and process for producing addition polymer
WO2005028584A1 (en) 2003-08-19 2005-03-31 Dow Global Technologies Inc. Interpolymers suitable for use in hot melt adhesives and processes to prepare same
US8093341B2 (en) 2004-10-28 2012-01-10 Dow Global Technologies Llc Method of controlling a polymerization reactor
MY148274A (en) 2005-07-08 2013-03-29 Dow Global Technologies Inc Layered film compositions, packages prepared therefrom, and methods of use
US9012563B2 (en) 2005-07-11 2015-04-21 Dow Global Technologies Llc Silane-grafted olefin polymers, compositions and articles prepared therefrom, and methods for making the same
JP5385129B2 (ja) 2006-06-15 2014-01-08 ダウ グローバル テクノロジーズ エルエルシー 官能化されたオレフィンインターポリマー、組成物及びそれから作製された製品、ならびにそれを作製するための方法
ES2465003T3 (es) * 2008-02-29 2014-06-04 Albemarle Corporation Procesos para la producción de compuestos amido e imido metálico de transición
US9464181B2 (en) 2010-11-24 2016-10-11 Exxonmobil Chemical Patents Inc. High filler loaded polymer composition
US8841379B2 (en) 2011-11-07 2014-09-23 E I Du Pont De Nemours And Company Method to form an aqueous dispersion of an ionomer-polyolefin blend

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055438A (en) * 1989-09-13 1991-10-08 Exxon Chemical Patents, Inc. Olefin polymerization catalysts
NZ235032A (en) * 1989-08-31 1993-04-28 Dow Chemical Co Constrained geometry complexes of titanium, zirconium or hafnium comprising a substituted cyclopentadiene ligand; use as olefin polymerisation catalyst component
US5064802A (en) * 1989-09-14 1991-11-12 The Dow Chemical Company Metal complex compounds

Also Published As

Publication number Publication date
ES2108714T3 (es) 1998-01-01
KR920021588A (ko) 1992-12-18
JPH05230123A (ja) 1993-09-07
DE69222974D1 (de) 1997-12-11
KR100231947B1 (ko) 1999-12-01
FI922273A7 (fi) 1992-11-21
FI109423B (fi) 2002-07-31
DE69222974T2 (de) 1998-03-05
CA2068938A1 (en) 1992-11-21
BR9201964A (pt) 1993-01-05
CA2068938C (en) 2003-01-07
EP0514828A1 (en) 1992-11-25
TW239865B (enExample) 1995-02-01
FI922273A0 (fi) 1992-05-19
EP0514828B1 (en) 1997-11-05

Similar Documents

Publication Publication Date Title
JP3275211B2 (ja) 付加重合触媒の製造方法
FI112235B (fi) Katalyyttikoostumuksia ja menetelmä polyolefiinien valmistamiseksi
JP3275081B2 (ja) 金属中心酸化による付加重合触媒の製造法
KR100282461B1 (ko) 메탈로센 및 이의 제조 방법
JP3397846B2 (ja) 触媒組成物およびポリオレフィンの製造方法
US6451938B1 (en) Polymerization catalyst system comprising heterocyclic fused cyclopentadienide ligands
EP0741739B1 (en) Synthesis of cyclopentadienyl metal coordination complexes from metal hydrocarbyloxides
JP3686081B2 (ja) 触媒組成物
AU764658B2 (en) Production of half-sandwich substituted catalyst precursors
EP1739103A1 (en) Catalyst
JPH08507284A (ja) モノシクロペンタジエニル金属錯体化合物の製造法および使用法
US6642400B2 (en) Linked metallocene complexes, catalyst systems, and olefin polymerization processes using same
JPH11504321A (ja) ４族金属ジエン錯体の合成
US6118013A (en) Preparation of addition polymerization catalysts
EP0741146B1 (en) Catalyst with improved activity for ethylene (co)-polymerization
US6194343B1 (en) Bridged “tethered” metallocenes
US6175026B1 (en) Metallocenes and process for the preparation of metallocenes
US6090962A (en) Preparation of titanium(II) or zirconium(II) complexes
KR100714847B1 (ko) 올레핀 중합용 촉매 및 이를 이용한 중합 방법
JP2002030109A (ja) 広い分子量分布を有するオレフィンポリマーを製造するための触媒組成物
JP3086896B2 (ja) オレフィン重合触媒およびオレフィンの重合方法
JP4023127B2 (ja) 遷移金属化合物、それを用いたオレフィン重合用触媒およびポリオレフィンの製造方法
CA2343948A1 (en) Preparation of titanium(ii) or zirconium(ii) complexes
Ge et al. The first synthesised examples of di-siloxy-substituted cyclopentadienyl zirconocenes, their synthesis, structure and activity in ethylene polymerisation
JP2003128687A (ja) 遷移金属化合物、それを用いたオレフィン重合用触媒およびポリオレフィンの製造方法

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080208

Year of fee payment: 6

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090208

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100208

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100208

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110208

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120208

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120208

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130208

Year of fee payment: 11

EXPY Cancellation because of completion of term
FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130208

Year of fee payment: 11