NO891209L - Silisiumbrodannede overgangsmetallforbindelser. - Google Patents
Silisiumbrodannede overgangsmetallforbindelser.Info
- Publication number
- NO891209L NO891209L NO89891209A NO891209A NO891209L NO 891209 L NO891209 L NO 891209L NO 89891209 A NO89891209 A NO 89891209A NO 891209 A NO891209 A NO 891209A NO 891209 L NO891209 L NO 891209L
- Authority
- NO
- Norway
- Prior art keywords
- browned
- silicon
- transition metal
- metal compounds
- compounds
- Prior art date
Links
- 150000003623 transition metal compounds Chemical class 0.000 title 1
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
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon 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
-
- 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
- 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
- C08F4/61927—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 two cyclopentadienyl rings being mutually bridged
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Catalysts (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US17051688A | 1988-03-21 | 1988-03-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO891209D0 NO891209D0 (no) | 1989-03-20 |
NO891209L true NO891209L (no) | 1989-09-22 |
Family
ID=22620169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO89891209A NO891209L (no) | 1988-03-21 | 1989-03-20 | Silisiumbrodannede overgangsmetallforbindelser. |
Country Status (15)
Country | Link |
---|---|
EP (1) | EP0344887A3 (fi) |
JP (2) | JP2775058B2 (fi) |
KR (1) | KR0175921B1 (fi) |
AU (1) | AU629818B2 (fi) |
BR (1) | BR8901277A (fi) |
CA (1) | CA1341404C (fi) |
CS (1) | CS275682B6 (fi) |
DK (1) | DK175628B1 (fi) |
FI (1) | FI891310A (fi) |
HU (1) | HUT53114A (fi) |
IL (1) | IL89525A0 (fi) |
NO (1) | NO891209L (fi) |
PL (1) | PL278381A1 (fi) |
PT (1) | PT90048B (fi) |
YU (1) | YU46554B (fi) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4931417A (en) * | 1987-11-09 | 1990-06-05 | Chisso Corporation | Transition-metal compound having a bis-substituted-cyclopentadienyl ligand of bridged structure |
DE3826074A1 (de) * | 1988-07-30 | 1990-02-01 | Hoechst Ag | Propylen-isoblockpolymer und verfahren zu seiner herstellung |
US5700896A (en) * | 1988-07-30 | 1997-12-23 | Hoechst Aktiengesellschaft | Polymer having long isotactic sequences and randomly-distributed ethylene content obtained by polymerizing propylene in presence of specific catalysts |
DE3826075A1 (de) * | 1988-07-30 | 1990-02-01 | Hoechst Ag | 1-olefin-isoblockpolymer und verfahren zu seiner herstellung |
DE3836059A1 (de) * | 1988-10-22 | 1990-05-03 | Hoechst Ag | Verfahren zur herstellung eines ethylen-propylen-copolymers |
DE3840772A1 (de) * | 1988-12-03 | 1990-06-07 | Hoechst Ag | Verfahren zur herstellung einer heterogenen metallocenkatalysatorkomponente |
DE3844282A1 (de) * | 1988-12-30 | 1990-07-05 | Hoechst Ag | Bisindenyl-derivat und verfahren zu seiner herstellung |
DE3916553A1 (de) | 1989-05-20 | 1990-11-22 | Hoechst Ag | Syndio- isoblockpolymer und verfahren zu seiner herstellung |
DE3942364A1 (de) * | 1989-12-21 | 1991-06-27 | Hoechst Ag | Verfahren zur herstellung einer polypropylen-formmasse |
DE3942363A1 (de) * | 1989-12-21 | 1991-06-27 | Hoechst Ag | Verfahren zur herstellung einer polypropylen-formmasse |
DE59107926D1 (de) | 1990-11-12 | 1996-07-18 | Hoechst Ag | Metallocene mit Liganden aus 2-substituierten Indenylderivaten, Verfahren zu ihrer Herstellung und ihre Verwendung als Katalysatoren |
USRE39532E1 (en) | 1990-11-12 | 2007-03-27 | Basell Polyolefine Gmbh | Metallocenes containing ligands of 2-substituted indenyl derivatives, process for their preparation, and their use as catalysts |
DE59104869D1 (de) * | 1990-11-12 | 1995-04-13 | Hoechst Ag | 2-Substituierte Bisindenylmetallocene, Verfahren zu ihrer Herstellung und ihre Verwendung als Katalysatoren bei der Olefinpolymerisation. |
DE4039451A1 (de) * | 1990-12-11 | 1992-06-17 | Hoechst Ag | Metallocene mit bicyclischen cyclopentadienderivaten als liganden, verfahren zu ihrer herstellung und ihre verwendung als katalysatoren |
EP0503422B1 (de) | 1991-03-09 | 1998-06-03 | TARGOR GmbH | Verfahren zur Herstellung chemisch einheitlicher Cycloolefincopolymere |
EP0516018B1 (de) * | 1991-05-27 | 1996-03-27 | Hoechst Aktiengesellschaft | Verfahren zur Herstellung von Polyolefinen mit breiter Molmassenverteilung |
JP3402473B2 (ja) * | 1991-08-20 | 2003-05-06 | 日本ポリケム株式会社 | オレフィン重合用触媒 |
TW300901B (fi) * | 1991-08-26 | 1997-03-21 | Hoechst Ag | |
US5359015A (en) * | 1991-11-07 | 1994-10-25 | Exxon Chemical Patents Inc. | Metallocene catalysts and their production and use |
TW309523B (fi) * | 1991-11-30 | 1997-07-01 | Hoechst Ag | |
US5932669A (en) * | 1991-11-30 | 1999-08-03 | Targor Gmbh | Metallocenes having benzo-fused indenyl derivatives as ligands, processes for their preparation and their use as catalysts |
TW318184B (fi) * | 1991-11-30 | 1997-10-21 | Hoechst Ag | |
US5830821A (en) * | 1991-11-30 | 1998-11-03 | Targor Gmbh | Process for olefin preparation using metallocenes having benzo-fused indenyl derivatives as ligands |
DK0574597T3 (da) * | 1992-06-13 | 1998-09-14 | Targor Gmbh | Fremgangsmåde til fremstilling af brosluttede chirale metallocenkatalysatorer af bisindenyltypen |
TW294669B (fi) * | 1992-06-27 | 1997-01-01 | Hoechst Ag | |
ATE165832T1 (de) * | 1992-08-03 | 1998-05-15 | Targor Gmbh | Verfahren zur herstellung eines olefinpolymers unter verwendung von metallocenen mit speziell substituierten indenylliganden |
USRE39156E1 (en) | 1992-08-15 | 2006-07-04 | Basell Polyolefine Gmbh | Process for the preparation of polyolefins |
DE69229044T2 (de) * | 1992-08-31 | 1999-10-07 | Fina Research S.A., Feluy | Verfahren zur Herstellung von flüssigen statistischen Copolymerisaten des Typs Ethylen |
NL9201970A (nl) * | 1992-11-11 | 1994-06-01 | Dsm Nv | Indenylverbindingen en katalysatorcomponenten voor de polymerisatie van olefinen. |
US5486585A (en) * | 1993-08-26 | 1996-01-23 | Exxon Chemical Patents Inc. | Amidosilyldiyl bridged catalysts and method of polymerization using said catalysts. |
DE4337232A1 (de) * | 1993-10-30 | 1995-05-04 | Basf Ag | Racemische Metallocenkomplexe und Verfahren zu ihrer Herstellung |
DE4337233A1 (de) * | 1993-10-30 | 1995-05-04 | Basf Ag | Verfahren zur Herstellung von Polymerisaten von C¶2¶- bis C¶1¶¶0¶-Alk-1-enen unter Verwendung von racemischen Metallocenkomplexen als Katalysatoren |
DE4402192A1 (de) * | 1994-01-26 | 1995-07-27 | Witco Gmbh | Verfahren zur Herstellung von Biscyclopentadienyl-Verbindungen |
DE4406110A1 (de) * | 1994-02-25 | 1995-08-31 | Witco Gmbh | Verbrückte Cyclopentadienylmagnesium-Verbindungen und Verfahren zu ihrer Herstellung und ihre Verwendung zur Herstellung von Metallocenen |
DE4406109A1 (de) * | 1994-02-25 | 1995-08-31 | Witco Gmbh | Verfahren zur Herstellung von verbrückten stereorigiden Metallocenen |
ES2142426T3 (es) * | 1994-06-13 | 2000-04-16 | Targor Gmbh | Compuestos de metales de transicion. |
DE4434640C1 (de) | 1994-09-28 | 1996-02-01 | Hoechst Ag | Verfahren zur Herstellung verbrückter Metallocene |
DE4436113A1 (de) | 1994-10-10 | 1996-04-11 | Hoechst Ag | Metallocenverbindung |
DE19506557A1 (de) * | 1995-02-24 | 1996-08-29 | Basf Ag | Metallocenkomplexe mit kationischer Brücke |
EP0763546B1 (de) * | 1995-09-13 | 1997-05-28 | Witco GmbH | Verfahren zur Herstellung von Metallocen-Katalysatorsystemen auf inerten Trägermaterialien unter Verwendung von Gasphasenreaktoren |
ES2179899T3 (es) * | 1996-03-19 | 2003-02-01 | Crompton Gmbh | Formulaciones homogeneas de compuestos organicos metalicos, sensibles a la oxidacion, en parafinas, y procedimiento para su preparacion. |
DE19623707A1 (de) * | 1996-06-14 | 1997-12-18 | Hoechst Ag | Übergangsmetallverbindung |
DE19644039A1 (de) * | 1996-10-31 | 1998-05-07 | Hoechst Ag | Metallocene |
US5866706A (en) * | 1997-06-09 | 1999-02-02 | Boulder Scientific Co. | Preparation and separation of RAC and MESO compound mixtures |
ES2192788T3 (es) * | 1997-07-28 | 2003-10-16 | Basell Polyolefin Gmbh | Procedimiento para la preparacion de metalocenos. |
EP1003757B1 (de) | 1997-07-28 | 2003-01-29 | Basell Polyolefine GmbH | Verfahren zur herstellung von metallocenen |
GB9718073D0 (en) * | 1997-08-28 | 1997-10-29 | Zeneca Ltd | Organometallic compounds,their preparation and use |
US5965759A (en) * | 1998-09-23 | 1999-10-12 | Albemarle Corporation | Catalytic process for isomerizing metallocenes |
EP1319665B1 (de) * | 2001-12-11 | 2004-09-22 | Crompton GmbH | Verfahren zur Hydrierung von ungesättigten Übergangsmetallverbindungen |
DE10250025A1 (de) | 2002-10-25 | 2004-05-06 | Basell Polyolefine Gmbh | Verfahren zur Darstellung teilweise hydrierter rac-ansa-Metallocen-Komplexe |
EP1464657A1 (en) * | 2003-03-06 | 2004-10-06 | ATOFINA Research | Hydrogenated metallocene catalyst |
US7285608B2 (en) | 2004-04-21 | 2007-10-23 | Novolen Technology Holdings C.V. | Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins |
US7795194B2 (en) | 2004-11-26 | 2010-09-14 | Mitsui Chemicals, Inc. | Synthetic lubricating oil and lubricating oil composition |
JP5863157B2 (ja) | 2006-12-18 | 2016-02-16 | 日東電工株式会社 | 粘着シート |
US20110034324A1 (en) * | 2008-04-28 | 2011-02-10 | Univation Technologies, Llc | Methods for Preparing Catalyst Systems |
JP5393098B2 (ja) * | 2008-10-15 | 2014-01-22 | 日本ポリプロ株式会社 | 新規な遷移金属化合物、これを用いたオレフィン重合用触媒及びα−オレフィンの重合又は共重合方法 |
WO2010077163A1 (en) * | 2008-12-30 | 2010-07-08 | Gosudarstvennoe Uchebno-Nauchnoe Uchrezhdenie Khimichesky Fakultet Moskovskogo Gosudarstvennogo Universiteta Im. M.V.Lomonosova | Synthesis of substituted tetrahydroindenyl complexes, metallocenes produced therefrom and use of the metallocenes in polymerisation processes |
JP5525847B2 (ja) | 2009-03-17 | 2014-06-18 | 日本ポリプロ株式会社 | プロピレン系多層シートおよびそれを用いた加圧処理用包装袋 |
JP5615807B2 (ja) | 2009-04-21 | 2014-10-29 | 三井化学株式会社 | オレフィン重合体の製造方法 |
US20120135903A1 (en) | 2010-05-11 | 2012-05-31 | Mitsui Chemicals, Inc. | Lubricating oil composition |
EP2573091A1 (en) | 2011-09-23 | 2013-03-27 | Lummus Novolen Technology Gmbh | Process for recycling of free ligand from their corresponding metallocene complexes |
KR101746744B1 (ko) | 2013-02-08 | 2017-06-13 | 미쓰이 가가쿠 가부시키가이샤 | 고체상 폴리알루미녹세인 조성물, 올레핀 중합용 촉매, 올레핀 중합체의 제조 방법, 및 고체상 폴리알루미녹세인 조성물의 제조 방법 |
US11369949B2 (en) | 2018-06-04 | 2022-06-28 | Exxonmobil Chemical Patents Inc. | Metallocenes with Si—Si bridges |
WO2021246338A1 (ja) | 2020-06-02 | 2021-12-09 | 日本ポリプロ株式会社 | ポリプロピレン系樹脂組成物及び積層体並びにそれらの製造方法 |
WO2023017081A1 (en) * | 2021-08-11 | 2023-02-16 | Sabic Global Technologies B.V. | Process for preparing polyalpha-olefins |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA844157B (en) * | 1983-06-06 | 1986-01-29 | Exxon Research Engineering Co | Process and catalyst for polyolefin density and molecular weight control |
US4713401A (en) * | 1984-12-20 | 1987-12-15 | Martin Riediker | Titanocenes and a radiation-polymerizable composition containing these titanocenes |
US4794096A (en) * | 1987-04-03 | 1988-12-27 | Fina Technology, Inc. | Hafnium metallocene catalyst for the polymerization of olefins |
US4931417A (en) * | 1987-11-09 | 1990-06-05 | Chisso Corporation | Transition-metal compound having a bis-substituted-cyclopentadienyl ligand of bridged structure |
JP2587251B2 (ja) * | 1987-11-09 | 1997-03-05 | チッソ株式会社 | 立体規則性オレフィン重合体製造用触媒 |
FR2623209B1 (fr) * | 1987-11-17 | 1993-09-03 | Air Liquide | Procede de traitement thermique sous atmosphere gazeuse a base d'azote et d'hydrocarbure |
DE3742934A1 (de) * | 1987-12-18 | 1989-06-29 | Hoechst Ag | Verfahren zur herstellung einer chiralen, stereorigiden metallocen-verbindung |
-
1989
- 1989-03-07 IL IL89525A patent/IL89525A0/xx unknown
- 1989-03-15 CA CA000593778A patent/CA1341404C/en not_active Expired - Lifetime
- 1989-03-17 EP EP19890302675 patent/EP0344887A3/en not_active Withdrawn
- 1989-03-20 PT PT90048A patent/PT90048B/pt not_active IP Right Cessation
- 1989-03-20 FI FI891310A patent/FI891310A/fi not_active Application Discontinuation
- 1989-03-20 KR KR1019890003467A patent/KR0175921B1/ko not_active IP Right Cessation
- 1989-03-20 BR BR898901277A patent/BR8901277A/pt not_active Application Discontinuation
- 1989-03-20 NO NO89891209A patent/NO891209L/no unknown
- 1989-03-20 HU HU891322A patent/HUT53114A/hu unknown
- 1989-03-20 AU AU31478/89A patent/AU629818B2/en not_active Expired
- 1989-03-20 JP JP1066503A patent/JP2775058B2/ja not_active Expired - Lifetime
- 1989-03-21 CS CS891726A patent/CS275682B6/cs unknown
- 1989-03-21 YU YU57689A patent/YU46554B/sh unknown
- 1989-03-21 DK DK198901379A patent/DK175628B1/da not_active IP Right Cessation
- 1989-03-21 PL PL27838189A patent/PL278381A1/xx unknown
-
1997
- 1997-12-17 JP JP09370017A patent/JP3117078B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
YU57689A (en) | 1991-10-31 |
JP2775058B2 (ja) | 1998-07-09 |
NO891209D0 (no) | 1989-03-20 |
DK175628B1 (da) | 2004-12-27 |
HUT53114A (en) | 1990-09-28 |
FI891310A (fi) | 1989-09-22 |
JP3117078B2 (ja) | 2000-12-11 |
EP0344887A2 (en) | 1989-12-06 |
JPH10218889A (ja) | 1998-08-18 |
DK137989A (da) | 1989-09-22 |
AU629818B2 (en) | 1992-10-15 |
DK137989D0 (da) | 1989-03-21 |
CS172689A3 (en) | 1992-03-18 |
IL89525A0 (en) | 1989-09-10 |
KR890014587A (ko) | 1989-10-24 |
JPH02131488A (ja) | 1990-05-21 |
EP0344887A3 (en) | 1991-04-10 |
FI891310A0 (fi) | 1989-03-20 |
PT90048A (pt) | 1989-11-10 |
CA1341404C (en) | 2002-12-03 |
PT90048B (pt) | 1994-05-31 |
CS275682B6 (en) | 1992-03-18 |
KR0175921B1 (ko) | 1999-05-15 |
YU46554B (sh) | 1993-11-16 |
PL278381A1 (en) | 1989-11-27 |
AU3147889A (en) | 1989-09-21 |
BR8901277A (pt) | 1989-11-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO891209L (no) | Silisiumbrodannede overgangsmetallforbindelser. | |
BR1100660A (pt) | Composto. | |
DE68924832D1 (de) | Metallischer dichtungsring. | |
DE68906637D1 (de) | Wafertraeger. | |
FI895434A0 (fi) | Terraengskida. | |
FI881195A (fi) | Haollare foer oeverkutter. | |
DE68903708D1 (de) | Spielkasten. | |
DE58902774D1 (de) | Pflanztafel. | |
DE68904944D1 (de) | Polyalkenylphenolverbindung. | |
NO892711D0 (no) | Sammensetninger. | |
DE58902346D1 (de) | Traenkeventil. | |
DE58908552D1 (de) | Übergangsmetallkomplexe. | |
NO893775D0 (no) | Substituerte tienepyraner. | |
DE69007114D1 (de) | Strontium-magnesium-aluminium-vorlegierung. | |
NO894589D0 (no) | Substituerte oksadiaminobutaner. | |
DE58903112D1 (de) | Kannenstock. | |
DE58902190D1 (de) | Schaelmaschine. | |
DE68901775D1 (de) | Mammographiegeraet. | |
DE58907370D1 (de) | Substituierte Azolylmethyloxirane. | |
DE58900554D1 (de) | Aminoguanidinoazine. | |
DE3852099D1 (de) | Glycidylsulfonamidverbindungen. | |
DE58908619D1 (de) | Dicyanobenzanthronverbindungen. | |
NO883095D0 (no) | Duktil legering. | |
TR24177A (tr) | Fenoksifenil ikame edilmis tetrazolinonlar. | |
FI891507A (fi) | Staell foer solfaongare. |