ATE259384T1 - Katalysatorsystem für die herstellung von polyolefinen mit hoher ausbeute - Google Patents
Katalysatorsystem für die herstellung von polyolefinen mit hoher ausbeuteInfo
- Publication number
- ATE259384T1 ATE259384T1 AT98913310T AT98913310T ATE259384T1 AT E259384 T1 ATE259384 T1 AT E259384T1 AT 98913310 T AT98913310 T AT 98913310T AT 98913310 T AT98913310 T AT 98913310T AT E259384 T1 ATE259384 T1 AT E259384T1
- Authority
- AT
- Austria
- Prior art keywords
- production
- catalyst system
- high yield
- polyolefins
- yield polyolefins
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title 1
- 229920000098 polyolefin Polymers 0.000 title 1
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
- 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
- C08F4/65916—Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/04—Monomers containing three or four carbon atoms
- C08F210/06—Propene
-
- 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
- C08F4/62—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
- C08F4/65908—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an ionising compound other than alumoxane, e.g. (C6F5)4B-X+
-
- 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
-
- 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
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
-
- 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
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F4/65922—Component covered by group C08F4/64 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
- C08F4/65927—Component covered by group C08F4/64 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 two cyclopentadienyl rings being mutually bridged
-
- 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
- Y10S526/905—Polymerization in presence of transition metal containing catalyst in presence of hydrogen
-
- 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)
- Crystallography & Structural Chemistry (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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4263897P | 1997-04-04 | 1997-04-04 | |
| PCT/US1998/006271 WO1998045337A1 (en) | 1997-04-04 | 1998-03-30 | Catalyst system for high yield synthesis of polyolefins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE259384T1 true ATE259384T1 (de) | 2004-02-15 |
Family
ID=21922978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT98913310T ATE259384T1 (de) | 1997-04-04 | 1998-03-30 | Katalysatorsystem für die herstellung von polyolefinen mit hoher ausbeute |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US6479599B1 (de) |
| EP (1) | EP0971962B1 (de) |
| JP (1) | JP2001524144A (de) |
| KR (1) | KR100538590B1 (de) |
| CN (1) | CN1255928A (de) |
| AR (1) | AR012324A1 (de) |
| AT (1) | ATE259384T1 (de) |
| AU (1) | AU738227B2 (de) |
| BR (1) | BR9807921A (de) |
| CA (1) | CA2284789A1 (de) |
| DE (1) | DE69821605T2 (de) |
| EG (1) | EG22079A (de) |
| HU (1) | HUP0001378A3 (de) |
| ID (1) | ID22626A (de) |
| MY (1) | MY118708A (de) |
| NZ (1) | NZ337968A (de) |
| PL (1) | PL336078A1 (de) |
| SK (1) | SK135199A3 (de) |
| TR (1) | TR199902755T2 (de) |
| TW (1) | TW572915B (de) |
| WO (1) | WO1998045337A1 (de) |
| ZA (1) | ZA982860B (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6852811B1 (en) | 1998-12-30 | 2005-02-08 | The Dow Chemical Company | Process for preparing a supported polymerization catalyst using reduced amounts of solvent and polymerization process |
| EP1155059B1 (de) * | 1998-12-30 | 2004-09-22 | BP Chemicals Limited | Verfahren zur herstellung eines polymerisationskatalysators auf träger unter verwendung verringerter mengen an lösungsmittel und polymerisationsverfahren |
| US6211311B1 (en) * | 1999-05-25 | 2001-04-03 | Equistar Chemicals, L.P. | Supported olefin polymerization catalysts |
| US6291386B1 (en) * | 1999-05-25 | 2001-09-18 | Equistar Chemicals, Lp | Process for the in-situ preparation of single-site transition metal catalysts and polymerization process |
| GB9918668D0 (en) * | 1999-08-06 | 1999-10-13 | Bp Chem Int Ltd | Polymerisation catalysts |
| KR100371909B1 (ko) * | 1999-12-20 | 2003-02-11 | 삼성종합화학주식회사 | 다핵으로 구속된 배열을 갖는 메탈로센 촉매 및 이를이용한 에틸렌/방향족 비닐화합물의 공중합체 |
| DE19962910A1 (de) * | 1999-12-23 | 2001-07-05 | Targor Gmbh | Chemische Verbindung, Verfahren zu deren Herstellung und deren Verwendung in Katalysatorsystemen zur Herstellung von Polyolefinen |
| GB0319738D0 (en) | 2003-08-22 | 2003-09-24 | Bp Chem Int Ltd | Supported polymerisation catalysts |
| EP1930348A1 (de) * | 2006-12-05 | 2008-06-11 | Ineos Manufacturing France SAS | Geträgertes Katalysatorsystem |
| US9045569B2 (en) | 2011-01-14 | 2015-06-02 | W. R. Grace & Co.-Conn. | Process of making modified metallocene catalyst, catalyst produced and use thereof |
| CN104926963A (zh) * | 2015-06-26 | 2015-09-23 | 哈尔滨工业大学 | 1-丁烯齐聚反应合成聚α-烯烃基础油的方法 |
| WO2021086468A1 (en) * | 2019-10-28 | 2021-05-06 | Exxonmobil Chemical Patents Inc. | Supported non-coordinating anion activators, use thereof, and production thereof |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4543399A (en) | 1982-03-24 | 1985-09-24 | Union Carbide Corporation | Fluidized bed reaction systems |
| DZ520A1 (fr) | 1982-03-24 | 2004-09-13 | Union Carbide Corp | Procédé perfectionné pour accroitre le rendement espace temps d'une réaction de polymérisation exothermique en lit fluidisé. |
| US4912075A (en) * | 1987-12-17 | 1990-03-27 | Exxon Chemical Patents Inc. | Method for preparing a supported metallocene-alumoxane catalyst for gas phase polymerization |
| US5352749A (en) | 1992-03-19 | 1994-10-04 | Exxon Chemical Patents, Inc. | Process for polymerizing monomers in fluidized beds |
| EP0699212A1 (de) | 1993-04-26 | 1996-03-06 | Exxon Chemical Patents Inc. | Polymerisation von monomeren im wirbelbett |
| ZA943399B (en) | 1993-05-20 | 1995-11-17 | Bp Chem Int Ltd | Polymerisation process |
| DK0705269T3 (da) * | 1993-06-24 | 1997-07-28 | Dow Chemical Co | Titan(II)- eller zirkonium(II)-komplekser og additionspolymerisationskatalysatorer deraf. |
| US5466649A (en) * | 1993-10-15 | 1995-11-14 | Exxon Chemical Patents Inc. | Polymerization catalyst systems, their production and use |
| ES2140557T3 (es) * | 1993-11-19 | 2000-03-01 | Exxon Chemical Patents Inc | Sistemas cataliticos de polimerizacion, su produccion y uso. |
| PL186697B1 (pl) | 1995-03-10 | 2004-02-27 | Dow Chemical Co | Sposób polimeryzacji addycyjnej |
-
1998
- 1998-03-30 AU AU67893/98A patent/AU738227B2/en not_active Ceased
- 1998-03-30 CN CN98805035A patent/CN1255928A/zh active Pending
- 1998-03-30 US US09/381,664 patent/US6479599B1/en not_active Expired - Fee Related
- 1998-03-30 HU HU0001378A patent/HUP0001378A3/hu unknown
- 1998-03-30 WO PCT/US1998/006271 patent/WO1998045337A1/en not_active Ceased
- 1998-03-30 TR TR1999/02755T patent/TR199902755T2/xx unknown
- 1998-03-30 PL PL98336078A patent/PL336078A1/xx unknown
- 1998-03-30 KR KR10-1999-7009019A patent/KR100538590B1/ko not_active Expired - Fee Related
- 1998-03-30 EP EP98913310A patent/EP0971962B1/de not_active Revoked
- 1998-03-30 BR BR9807921-2A patent/BR9807921A/pt unknown
- 1998-03-30 ID IDW991150A patent/ID22626A/id unknown
- 1998-03-30 JP JP54284798A patent/JP2001524144A/ja not_active Ceased
- 1998-03-30 NZ NZ337968A patent/NZ337968A/en unknown
- 1998-03-30 DE DE69821605T patent/DE69821605T2/de not_active Revoked
- 1998-03-30 CA CA002284789A patent/CA2284789A1/en not_active Abandoned
- 1998-03-30 SK SK1351-99A patent/SK135199A3/sk unknown
- 1998-03-30 AT AT98913310T patent/ATE259384T1/de not_active IP Right Cessation
- 1998-04-03 MY MYPI98001503A patent/MY118708A/en unknown
- 1998-04-03 ZA ZA9802860A patent/ZA982860B/xx unknown
- 1998-04-03 TW TW87105083A patent/TW572915B/zh not_active IP Right Cessation
- 1998-04-03 AR ARP980101529A patent/AR012324A1/es not_active Application Discontinuation
- 1998-04-04 EG EG37998A patent/EG22079A/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2284789A1 (en) | 1998-10-15 |
| SK135199A3 (en) | 2000-05-16 |
| HUP0001378A3 (en) | 2003-01-28 |
| DE69821605D1 (de) | 2004-03-18 |
| AU6789398A (en) | 1998-10-30 |
| NZ337968A (en) | 2001-10-26 |
| ID22626A (id) | 1999-12-02 |
| BR9807921A (pt) | 2000-02-22 |
| CN1255928A (zh) | 2000-06-07 |
| KR20010005942A (ko) | 2001-01-15 |
| PL336078A1 (en) | 2000-06-05 |
| JP2001524144A (ja) | 2001-11-27 |
| EP0971962A1 (de) | 2000-01-19 |
| WO1998045337A1 (en) | 1998-10-15 |
| US6479599B1 (en) | 2002-11-12 |
| MY118708A (en) | 2005-01-31 |
| EP0971962B1 (de) | 2004-02-11 |
| AR012324A1 (es) | 2000-10-18 |
| TR199902755T2 (xx) | 2000-04-21 |
| ZA982860B (en) | 1999-10-04 |
| EG22079A (en) | 2002-07-31 |
| TW572915B (en) | 2004-01-21 |
| HUP0001378A1 (en) | 2000-07-28 |
| DE69821605T2 (de) | 2004-12-16 |
| KR100538590B1 (ko) | 2005-12-22 |
| AU738227B2 (en) | 2001-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE69634623D1 (de) | Katalysator für die Herstellung von Ethylenoxid | |
| DE69813556T2 (de) | Katalysatoren für die herstellung von olefinpolymeren | |
| DE69812889D1 (de) | Katalysatorzusammensetzungen geeignet für die herstellung von olefinpolymeren | |
| DE69600281D1 (de) | Katalysatore für die Olefinherstellung | |
| DE60021328D1 (de) | Herstellungsverfahren für die Herstellung von Aluminat-Phosphor | |
| DE69832938D1 (de) | Krackkatalysator für die Produktion von leichten Olefinen und dessen Herstellung | |
| DE59900338D1 (de) | Trägerkatalysator für die Produktion von Vinylacetatmonomer | |
| NO993543D0 (no) | Fremgangsmåte for fremstilling av eddiksyre | |
| DE69619896D1 (de) | Katalysatorsystem für die Herstellung von hochkristallinen Polypropylen | |
| ATE259384T1 (de) | Katalysatorsystem für die herstellung von polyolefinen mit hoher ausbeute | |
| FI960058A7 (fi) | Organosiloksaanien tai polyorganosiloksaanien valmistukseen tarkoitett u katalysaattori | |
| FI982801A0 (fi) | Menetelmä muurahaishapon valmistamiseksi | |
| NO950487D0 (no) | Fremgangsmåte for fremstilling av hydrogen | |
| ITMI941208A0 (it) | Procedimento catalitico per la produzione di ossime | |
| HU9602680D0 (en) | Catalyst for the production of olefin polymers | |
| DE69834718D1 (de) | Verfahren zur herstellung von olefinpolymeren | |
| DE69502167D1 (de) | Geträgerte Katalysatorsysteme für die Herstellung von Ethylen-Propylen-Copolymeren | |
| DE69919285D1 (de) | Verfahren für die Herstellung von Vinylacetat | |
| DE69723496D1 (de) | Verfahren und Katalysator für die Herstellung von Polyolefinen mit niedrigem Molekulargewicht | |
| IT1289763B1 (it) | Processo per la produziond di cefazolina | |
| BR8900171A (pt) | Processo para producao de catalisador zeolitico | |
| DE69502571D1 (de) | Prozess für die Herstellung von fermentierbarem Material | |
| DE60012028D1 (de) | Zwischenprodukte für die herstellung von naphthyridin-3-carbonsäure-derivaten | |
| DE59207422D1 (de) | Verfahren zur Herstellung von Ziegler-Natta-Katalysatorsystemen | |
| DE69316181D1 (de) | Phosphinoaliphatische Katalysatoren für die Herstellung von beta-Cyanalkylsilanen |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |