DE69914012D1 - Katalysatorsysteme für die Polymerisation und Copolymerisation von Alpha-Olefinen - Google Patents
Katalysatorsysteme für die Polymerisation und Copolymerisation von Alpha-OlefinenInfo
- Publication number
- DE69914012D1 DE69914012D1 DE69914012T DE69914012T DE69914012D1 DE 69914012 D1 DE69914012 D1 DE 69914012D1 DE 69914012 T DE69914012 T DE 69914012T DE 69914012 T DE69914012 T DE 69914012T DE 69914012 D1 DE69914012 D1 DE 69914012D1
- Authority
- DE
- Germany
- Prior art keywords
- polymerization
- copolymerization
- catalyst systems
- alpha olefins
- heterogeneous catalytic
- 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 - Fee Related
Links
Classifications
-
- 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
-
- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
-
- 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
- C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
- C08F4/61912—Component covered by group C08F4/60 containing a transition metal-carbon bond in combination with an organoaluminium compound
-
- 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
- C08F4/619—Component covered by group C08F4/60 containing a transition metal-carbon bond
- C08F4/6192—Component covered by group C08F4/60 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F4/61922—Component covered by group C08F4/60 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S526/943—Polymerization with metallocene catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98500101 | 1998-04-27 | ||
EP98500101 | 1998-04-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69914012D1 true DE69914012D1 (de) | 2004-02-12 |
DE69914012T2 DE69914012T2 (de) | 2004-12-09 |
Family
ID=8235813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69914012T Expired - Fee Related DE69914012T2 (de) | 1998-04-27 | 1999-04-26 | Katalysatorsysteme für die Polymerisation und Copolymerisation von Alpha-Olefinen |
Country Status (7)
Country | Link |
---|---|
US (1) | US7148173B2 (de) |
JP (1) | JP3394004B2 (de) |
AT (1) | ATE257490T1 (de) |
DE (1) | DE69914012T2 (de) |
ES (1) | ES2211013T3 (de) |
NO (1) | NO991997L (de) |
PT (1) | PT953581E (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2154017T3 (es) * | 1996-10-31 | 2001-03-16 | Repsol Quimica Sa | Sistemas cataliticos para la polimerizacion y copolimerizacion de alfa-olefinas. |
ATE264344T1 (de) * | 1998-04-29 | 2004-04-15 | Repsol Quimica Sa | Verfahren und verwendung von heterogenen katalysatorbestandteilen für die olefinpolymerisation |
US6723675B1 (en) * | 2000-05-25 | 2004-04-20 | Univation Technologies, Llc | Catalyst for the production of olefin polymers |
US7148298B2 (en) * | 2004-06-25 | 2006-12-12 | Chevron Phillips Chemical Company, L.P. | Polymerization catalysts for producing polymers with low levels of long chain branching |
US20050288461A1 (en) * | 2004-06-25 | 2005-12-29 | Jensen Michael D | Polymerization catalysts for producing polymers with low levels of long chain branching |
KR100690345B1 (ko) * | 2004-09-03 | 2007-03-09 | 주식회사 엘지화학 | 담지 메탈로센 촉매, 그 제조방법 및 이를 이용한폴리올레핀의 제조방법 |
KR101703274B1 (ko) * | 2014-08-12 | 2017-02-22 | 주식회사 엘지화학 | 메탈로센 화합물, 이를 포함하는 촉매 조성물 및 이를 이용한 올레핀 중합체의 제조방법 |
Family Cites Families (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1022382B (de) | 1956-04-12 | 1958-01-09 | Hoechst Ag | Verfahren zur Polymerisation von niederen Olefinen |
US3440237A (en) | 1958-05-22 | 1969-04-22 | Monsanto Co | Production of polyethylene with water-modified ziegler catalyst |
US3184416A (en) | 1958-05-22 | 1965-05-18 | Monsanto Co | Production of ziegler polymerization catalysts |
GB1527598A (en) * | 1974-11-12 | 1978-10-04 | Dow Corning Ltd | Catalysts and carriers therefor |
DE2608863A1 (de) | 1976-03-04 | 1977-09-08 | Basf Ag | Verfahren zum herstellen von polyaethylen |
SU956003A1 (ru) * | 1977-01-20 | 1982-09-07 | Институт нефтехимического синтеза им.А.В.Топчиева | Мембранный катализатор дл гидрировани органических соединений |
SU828471A1 (ru) | 1978-07-19 | 1983-11-30 | Ленинградский Ордена Трудового Красного Знамени Технологический Институт Им.Ленсовета | Способ приготовлени катализатора дл алкилировани фенола |
GB2092017B (en) * | 1981-01-30 | 1985-05-22 | Inst Neftechimicheskogo Sintez | Membrane catalyst for hydrogenation of organic compounds and method of preparing the same |
DE3127133A1 (de) | 1981-07-09 | 1983-01-27 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von polyolefinen und deren copolymerisaten |
CA1268754A (en) | 1985-06-21 | 1990-05-08 | Howard Curtis Welborn, Jr. | Supported polymerization catalyst |
US5077255A (en) | 1986-09-09 | 1991-12-31 | Exxon Chemical Patents Inc. | New supported polymerization catalyst |
WO1988008432A1 (en) | 1987-04-20 | 1988-11-03 | Mitsui Petrochemical Industries, Ltd. | Olefin polymerization catalyst and process for polymerizing olefin |
US4921825A (en) | 1986-12-30 | 1990-05-01 | Mitsui Petrochemical Industries, Ltd. | Solid catalyst for olefin polymerization and processes for its production |
US5055438A (en) | 1989-09-13 | 1991-10-08 | Exxon Chemical Patents, Inc. | Olefin polymerization catalysts |
IL85097A (en) | 1987-01-30 | 1992-02-16 | Exxon Chemical Patents Inc | Catalysts based on derivatives of a bis(cyclopentadienyl)group ivb metal compound,their preparation and their use in polymerization processes |
US5064797A (en) | 1987-04-03 | 1991-11-12 | Phillips Petroleum Company | Process for producing polyolefins and polyolefin catalysts |
US4939217A (en) | 1987-04-03 | 1990-07-03 | Phillips Petroleum Company | Process for producing polyolefins and polyolefin catalysts |
DE3718888A1 (de) | 1987-06-05 | 1988-12-22 | Hoechst Ag | Verfahren zur herstellung eines 1-olefinpolymers |
US5202398A (en) * | 1987-06-05 | 1993-04-13 | Hoechst Aktiengesellschaft | Process for the preparation of a 1-olefin polymer |
JPS6485141A (en) | 1987-09-26 | 1989-03-30 | Jgc Corp | Manufacture of catalyst with surface layer of noble metal carried by silica |
US4937217A (en) | 1987-12-17 | 1990-06-26 | Exxon Chemical Patents Inc. | Method for utilizing triethylaluminum to prepare an alumoxane support for an active metallocene catalyst |
US4925821A (en) | 1987-12-17 | 1990-05-15 | Exxon Chemical Patents Inc. | Method for utilizing triethyaluminum to prepare an alumoxane support for an active metallocene catalyst |
US4912075A (en) | 1987-12-17 | 1990-03-27 | Exxon Chemical Patents Inc. | Method for preparing a supported metallocene-alumoxane catalyst for gas phase polymerization |
US5008228A (en) | 1988-03-29 | 1991-04-16 | Exxon Chemical Patents Inc. | Method for preparing a silica gel supported metallocene-alumoxane catalyst |
US4935397A (en) | 1988-09-28 | 1990-06-19 | Exxon Chemical Patents Inc. | Supported metallocene-alumoxane catalyst for high pressure polymerization of olefins and a method of preparing and using the same |
DE3840772A1 (de) | 1988-12-03 | 1990-06-07 | Hoechst Ag | Verfahren zur herstellung einer heterogenen metallocenkatalysatorkomponente |
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 |
US5057475A (en) | 1989-09-13 | 1991-10-15 | Exxon Chemical Patents Inc. | Mono-Cp heteroatom containing group IVB transition metal complexes with MAO: supported catalyst for olefin polymerization |
US6825369B1 (en) * | 1989-09-14 | 2004-11-30 | The Dow Chemical Company | Metal complex compounds |
DE69018376T3 (de) | 1989-10-30 | 2002-05-16 | Fina Technology | Herstellung von Metallocenkatalysatoren für Olefinpolymerisation. |
EP0474391B1 (de) | 1990-08-21 | 1995-10-25 | Nippon Oil Co. Ltd. | Polyolefine |
US5466766A (en) | 1991-05-09 | 1995-11-14 | Phillips Petroleum Company | Metallocenes and processes therefor and therewith |
US5391789A (en) | 1991-08-08 | 1995-02-21 | Hoechst Aktiengesellschaft | Bridged, chiral metallocenes, processes for their preparation and their use as catalysts |
US5416228A (en) | 1991-10-07 | 1995-05-16 | Fina Technology, Inc. | Process and catalyst for producing isotactic polyolefins |
EP0582195B1 (de) | 1992-08-03 | 2000-12-20 | TARGOR GmbH | Verfahren zur Herstellung eines Olefinpolymers unter Verwendung spezieller Metallocene |
JPH07509752A (ja) | 1992-08-05 | 1995-10-26 | エクソン・ケミカル・パテンツ・インク | オレフィン重合用の担持されたイオン遷移金属触媒 |
KR100287389B1 (ko) | 1992-10-02 | 2001-04-16 | 그래햄 이. 테일러 | 올레핀 중합반응을 위한 지지된 균일한 촉매(supported homogeneous catalyst complexes for olefin polymerization) |
US5602067A (en) * | 1992-12-28 | 1997-02-11 | Mobil Oil Corporation | Process and a catalyst for preventing reactor fouling |
US5332706A (en) * | 1992-12-28 | 1994-07-26 | Mobil Oil Corporation | Process and a catalyst for preventing reactor fouling |
IT1264680B1 (it) | 1993-07-07 | 1996-10-04 | Spherilene Srl | Catalizzatori supportati per la polimerizzazione delle olefine |
EP0668295B1 (de) | 1994-02-17 | 1998-06-03 | Union Carbide Chemicals & Plastics Technology Corporation | Sprühgetrocknete Füllstoffe enthaltende Metallocenkatalysatorzusammensetzung zur Herstellung von Polyolefinen |
DE4406964A1 (de) | 1994-03-03 | 1995-09-07 | Basf Ag | Geträgerte Metalloxenkomplexe mit heterofunktionellen Gruppen am Cyclopentadienylsystem als Katalysatorsysteme |
JP4026846B2 (ja) | 1994-04-11 | 2007-12-26 | 三井化学株式会社 | プロピレン系重合体組成物の製造方法およびプロピレン系重合体組成物 |
DK0685494T3 (da) * | 1994-06-03 | 1999-02-15 | Pcd Polymere Ag | Katalysatorbærere, understøttede metallocenkatalysatorer og deres anvendelse til fremstilling af polyolefiner |
AUPM632894A0 (en) | 1994-06-21 | 1994-07-14 | Alldredge, Robert Louis | Immobilised branched polyalkyleneimines |
US5955625A (en) | 1995-01-31 | 1999-09-21 | Exxon Chemical Patents Inc | Monocyclopentadienyl metal compounds for ethylene-α-olefin-copolymer production catalysts |
KR0151873B1 (ko) | 1994-10-13 | 1998-10-15 | 김영욱 | 메탈로센 화합물, 이의 제조방법 및 이를 촉매로 이용한 고분자의 제조방법 |
IT1272939B (it) | 1995-02-01 | 1997-07-01 | Enichem Spa | Catalizzatore metallocenico supportato per la (co)polimerizzazione delle olefine |
US5731253A (en) * | 1995-07-27 | 1998-03-24 | Albemarle Corporation | Hydrocarbylsilloxy - aluminoxane compositions |
DE19527652A1 (de) | 1995-07-28 | 1997-01-30 | Hoechst Ag | Metallocenverbindung |
ES2120868B1 (es) | 1995-08-03 | 2000-09-16 | Repsol Quimica Sa | Sistema de catalizadores hetereogeneos tipo metalogeno, para procesos de obtencion de poliolefinas. |
CN1202909A (zh) * | 1995-11-27 | 1998-12-23 | 陶氏化学公司 | 含有束缚阳离子生成活化剂的负载型催化剂 |
US5780659A (en) | 1996-03-29 | 1998-07-14 | Phillips Petroleum Company | Substituted indenyl unbridged metallocenes |
FI961511A (fi) * | 1996-04-03 | 1997-10-04 | Mikrokemia Oy | Menetelmä olefiinien polymerointikatalyyttien valmistamiseksi |
ES2129323B1 (es) * | 1996-04-18 | 2000-09-16 | Repsol Quimica Sa | Procedimiento para la obtencion de un sistema catalitico para la polimerizacion de alpha-olefinas en suspension en fase gas a bajas y altas temperaturas o en masa a altas presiones y altas o bajas temperaturas |
IT1283010B1 (it) * | 1996-05-15 | 1998-04-03 | Enichem Spa | Complesso metallocenico supportato e procedimento per la sua prepa- razione |
US5747404A (en) * | 1996-05-28 | 1998-05-05 | Lyondell Petrochemical Company | Polysiloxane supported metallocene catalysts |
ATE189822T1 (de) | 1996-10-30 | 2000-03-15 | Repsol Quimica Sa | Organometallische katalysatoren für die polymerisation und die copolymerisation von alpha-olefinen |
ES2154017T3 (es) * | 1996-10-31 | 2001-03-16 | Repsol Quimica Sa | Sistemas cataliticos para la polimerizacion y copolimerizacion de alfa-olefinas. |
ATE236914T1 (de) | 1997-02-01 | 2003-04-15 | Repsol Quimica Sa | Metallocene, deren herstellung und verwendung |
WO1998043989A1 (en) * | 1997-03-29 | 1998-10-08 | Montell Technology Company B.V. | Metallocenes and catalysts for polymerization of olefins |
US5892079A (en) | 1997-10-17 | 1999-04-06 | Sri International | Metallocene catalysts and associated methods of preparation and use |
PT955306E (pt) * | 1998-04-29 | 2003-06-30 | Repsol Quimica Sa | Compostos metaloceno funcionalizados processo de sintese e utilizacao |
-
1999
- 1999-04-26 DE DE69914012T patent/DE69914012T2/de not_active Expired - Fee Related
- 1999-04-26 AT AT99500063T patent/ATE257490T1/de not_active IP Right Cessation
- 1999-04-26 ES ES99500063T patent/ES2211013T3/es not_active Expired - Lifetime
- 1999-04-26 US US09/299,539 patent/US7148173B2/en not_active Expired - Fee Related
- 1999-04-26 PT PT99500063T patent/PT953581E/pt unknown
- 1999-04-27 NO NO19991997A patent/NO991997L/no not_active Application Discontinuation
- 1999-04-27 JP JP12061399A patent/JP3394004B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE257490T1 (de) | 2004-01-15 |
JP2000136209A (ja) | 2000-05-16 |
PT953581E (pt) | 2004-07-30 |
NO991997D0 (no) | 1999-04-27 |
NO991997L (no) | 1999-10-28 |
US20030191013A1 (en) | 2003-10-09 |
DE69914012T2 (de) | 2004-12-09 |
ES2211013T3 (es) | 2004-07-01 |
US7148173B2 (en) | 2006-12-12 |
JP3394004B2 (ja) | 2003-04-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE60226010D1 (de) | Mehrkerniger metallocenkatalysator | |
ATE259675T1 (de) | Katalysatorsystem | |
ES2165425T3 (es) | Sistemas cataliticos de polimerizacion, su produccion y uso. | |
NO983151L (no) | BÕrete fosfinimin-cyklopentadienyl katalysatorer | |
PL267645A1 (en) | A catalyst of olefins polymerization,a method of a catalyst of olefins polymerization production,a catalytic system for olefins polymerization and a method of ethylene polymers and ethylene polymers and - olefins or diolefins | |
ATE353333T1 (de) | Metallocene | |
AR027124A1 (es) | Proceso para la preparacion de polimeros de etileno y compuesto de metaloceno | |
ATE399800T1 (de) | Stickstoffsubstituierte phosphiniminligand | |
ATE301141T1 (de) | AKTIVIERUNG VON ßSINGLE SITEß POLYMERISATIONSKATALYSATOREN DURCH (DIALKYLALUMINO)BRORONSÄUREESTER | |
NO982701L (no) | Polymerisasjonskatalysatorer og fremgangsmÕter derav | |
ATE291041T1 (de) | Geträgerter und modifizierter katalysator für die polymerisation von olefine | |
DE69914012D1 (de) | Katalysatorsysteme für die Polymerisation und Copolymerisation von Alpha-Olefinen | |
ES2160182T3 (es) | Sistemas catalizadores de polimerizacion, su produccion y uso. | |
EP1806368A3 (de) | Polymerisationsverfahren in Gegenwart eines Trägerkatalysatorsytems | |
DE60224671D1 (de) | Verzweigte polymere auf alpha-olefin basis | |
FI990283A (fi) | alfa-olefiinin polymerointikatalysattorisysteemi ja sen käyttö alfa -olefiinien polymerointiin | |
BR9915600B1 (pt) | processo de polimerizaÇço em lama para copolimerizaÇço de etileno. | |
DE60317903D1 (de) | Katalysatorsystem für die polymerisation von olefinen | |
CA2127448A1 (en) | Dimeric and Tetrameric Cyclopentadienyl Group 6B Metal Alpha-Olefin Polymerization Catalysts and Process for Polymerizing Alpha-Olefins | |
DE60204306D1 (de) | Geträgerter ziegler - metallocene polymerisationskatalysator und dessen benutzung für die polymerisation von olefinen | |
TR199903251T2 (xx) | Olefinlerin gaz faz�nda polimerizasyonu i�in i�lem. | |
DE60133919D1 (de) | Bimetallische olefinpolymerisationskatalysatoren | |
TH29185B (th) | ระบบตัวเร่งปฎิกิริยาและกรรมวิธีสำหรับการผลิตโพลิเมอร์ | |
ES556357A0 (es) | Un procedimiento de polimerizacion para preparar polimeros de etileno y copolimeros de etileno y alfa-olefinas y diolefinas. | |
TH29185A (th) | ระบบตัวเร่งปฏิกิริยาและกรรมวิธีสำหรับการผลิตโพลิเมอร์ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |