DE69924996T2 - Copolycarbonate mit optischer qualität, die polyoxyalkylencarbonat einheiten enthalten - Google Patents
Copolycarbonate mit optischer qualität, die polyoxyalkylencarbonat einheiten enthalten Download PDFInfo
- Publication number
- DE69924996T2 DE69924996T2 DE1999624996 DE69924996T DE69924996T2 DE 69924996 T2 DE69924996 T2 DE 69924996T2 DE 1999624996 DE1999624996 DE 1999624996 DE 69924996 T DE69924996 T DE 69924996T DE 69924996 T2 DE69924996 T2 DE 69924996T2
- Authority
- DE
- Germany
- Prior art keywords
- units
- formula
- bisphenol
- copolycarbonate
- carbonate
- 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
- 230000003287 optical effect Effects 0.000 title claims description 20
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical group OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 title 1
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 31
- 229930185605 Bisphenol Natural products 0.000 claims description 16
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- -1 diaryl carbonate Chemical compound 0.000 claims description 9
- 238000006116 polymerization reaction Methods 0.000 claims description 8
- 239000002202 Polyethylene glycol Substances 0.000 claims description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 6
- PQNFLJBBNBOBRQ-UHFFFAOYSA-N indane Chemical compound C1=CC=C2CCCC2=C1 PQNFLJBBNBOBRQ-UHFFFAOYSA-N 0.000 claims description 6
- 229920001223 polyethylene glycol Polymers 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 5
- 125000003003 spiro group Chemical group 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 5
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- REJSKIQENHOZKX-UHFFFAOYSA-N OC(O)=O.C1Cc2ccccc2C1 Chemical compound OC(O)=O.C1Cc2ccccc2C1 REJSKIQENHOZKX-UHFFFAOYSA-N 0.000 claims description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- ROORDVPLFPIABK-UHFFFAOYSA-N diphenyl carbonate Chemical group C=1C=CC=CC=1OC(=O)OC1=CC=CC=C1 ROORDVPLFPIABK-UHFFFAOYSA-N 0.000 claims description 3
- 125000000654 isopropylidene group Chemical group C(C)(C)=* 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 150000005622 tetraalkylammonium hydroxides Chemical class 0.000 claims description 3
- 238000005809 transesterification reaction Methods 0.000 claims description 3
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- 125000005497 tetraalkylphosphonium group Chemical group 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 229920001577 copolymer Polymers 0.000 claims 1
- 229920000515 polycarbonate Polymers 0.000 description 13
- 239000004417 polycarbonate Substances 0.000 description 13
- 229940106691 bisphenol a Drugs 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical class C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 description 4
- 150000002334 glycols Chemical class 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 0 CN**O[N+]([O-])OC Chemical compound CN**O[N+]([O-])OC 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 229920000402 bisphenol A polycarbonate polymer Polymers 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000005587 carbonate group Chemical group 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- 150000002468 indanes Chemical class 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000000843 phenylene group Chemical group C1(=C(C=CC=C1)*)* 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003457 sulfones Chemical group 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Chemical group 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/18—Block or graft polymers
- C08G64/183—Block or graft polymers containing polyether sequences
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/30—General preparatory processes using carbonates
-
- 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
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/913—Material designed to be responsive to temperature, light, moisture
-
- 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
- Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
- Y10S430/146—Laser beam
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/21—Circular sheet or circular blank
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31507—Of polycarbonate
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US131218 | 1998-08-07 | ||
| US09/131,218 US6042920A (en) | 1998-08-07 | 1998-08-07 | Optical quality copolycarbonates containing polyoxyalkylene carbonate units |
| PCT/US1999/013239 WO2000008089A1 (en) | 1998-08-07 | 1999-06-10 | Optical quality copolycarbonates containing polyoxyalkylene carbonate units |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69924996D1 DE69924996D1 (de) | 2005-06-02 |
| DE69924996T2 true DE69924996T2 (de) | 2006-02-23 |
Family
ID=22448458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1999624996 Expired - Fee Related DE69924996T2 (de) | 1998-08-07 | 1999-06-10 | Copolycarbonate mit optischer qualität, die polyoxyalkylencarbonat einheiten enthalten |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6042920A (cg-RX-API-DMAC7.html) |
| EP (1) | EP1100841B1 (cg-RX-API-DMAC7.html) |
| JP (1) | JP2002522584A (cg-RX-API-DMAC7.html) |
| AR (1) | AR021458A1 (cg-RX-API-DMAC7.html) |
| DE (1) | DE69924996T2 (cg-RX-API-DMAC7.html) |
| WO (1) | WO2000008089A1 (cg-RX-API-DMAC7.html) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040027981A1 (en) * | 2000-10-24 | 2004-02-12 | Schoeppel Wolfgang G | Optical storage medium |
| US7649073B2 (en) * | 2007-06-15 | 2010-01-19 | Sabic Innovative Plastics Ip B.V. | Polycarbonate-poly(alkylene oxide) copolymer compositions and articles formed therefrom |
| US7642315B2 (en) * | 2007-06-15 | 2010-01-05 | Sabic Innovative Plastics Ip B.V. | Polycarbonate-poly(alkylene oxide) copolymer compositions and articles formed therefrom |
| JP2011241277A (ja) * | 2010-05-17 | 2011-12-01 | Mitsubishi Chemicals Corp | 共重合ポリカーボネート |
| PL2675689T5 (pl) | 2011-02-14 | 2020-11-30 | Bombardier Transportation Gmbh | Nadwozie wagonu pojazdu szynowego z belką wzdłużną dla obszaru przejściowego ściany bocznej nadwozia wagonu na dach nadwozia wagonu |
| WO2013056841A1 (en) | 2011-10-19 | 2013-04-25 | Inra (Institut National De La Recherche Agronomique) | A method for diagnosing tse |
| CN120813627A (zh) * | 2023-03-30 | 2025-10-17 | 三菱化学株式会社 | 聚碳酸酯树脂组合物及其成型品 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US34431A (en) * | 1862-02-18 | Improved match-safe | ||
| JPS6153544A (ja) * | 1984-08-22 | 1986-03-17 | Toyota Motor Corp | 横風試験用時限設定装置 |
| US4789725A (en) * | 1987-03-17 | 1988-12-06 | General Electric Company | Phenylene ether-carbonate copolymer containing spiroindane group |
| USRE34431E (en) | 1986-07-21 | 1993-11-02 | General Electric Company | Macrocyclic oligomers containing spiro(bis)indane moieties |
| US4950731A (en) * | 1987-04-20 | 1990-08-21 | General Electric Company | Method for preparing spirobiindane polycarbonates |
| EP0621297B1 (en) * | 1993-04-23 | 1998-01-14 | Koninklijke Philips Electronics N.V. | Polycarbonate copolymer of spirobisindan and bisphenol-A, method of preparing such a copolymer and optical components of such a copolymer |
| JPH07149888A (ja) * | 1993-12-02 | 1995-06-13 | Teijin Ltd | 共重合ポリカーボネートの製造方法 |
| US5859833A (en) * | 1997-09-02 | 1999-01-12 | General Electric Company | Optical disk grade copolyestercarbonates derived from hydroxyphenylindanols |
| US5883218A (en) * | 1997-10-24 | 1999-03-16 | Molecular Optoelectronics Corporation | Optically active spirobiindane polymers |
-
1998
- 1998-08-07 US US09/131,218 patent/US6042920A/en not_active Expired - Lifetime
-
1999
- 1999-06-10 DE DE1999624996 patent/DE69924996T2/de not_active Expired - Fee Related
- 1999-06-10 JP JP2000563719A patent/JP2002522584A/ja not_active Withdrawn
- 1999-06-10 WO PCT/US1999/013239 patent/WO2000008089A1/en not_active Ceased
- 1999-06-10 EP EP99928585A patent/EP1100841B1/en not_active Expired - Lifetime
- 1999-07-26 AR ARP990103670 patent/AR021458A1/es not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP1100841B1 (en) | 2005-04-27 |
| WO2000008089A1 (en) | 2000-02-17 |
| DE69924996D1 (de) | 2005-06-02 |
| JP2002522584A (ja) | 2002-07-23 |
| EP1100841A1 (en) | 2001-05-23 |
| US6042920A (en) | 2000-03-28 |
| AR021458A1 (es) | 2002-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE60007098T2 (de) | In optischen gegenständen verwendbare polycarbonate | |
| DE60027884T2 (de) | Polycarbonate abgeleitet von alicyclischen bisphenolen | |
| DE69633807T2 (de) | Doppelbrechungsarme Polycarbonatformmassen | |
| DE3856060T2 (de) | Optischer Gegenstand aus Polycarbonat und Verfahren zu dessen Herstellung | |
| DE10047483A1 (de) | Verwendung von Copolycarbonaten | |
| EP0175905B1 (en) | Polycarbonate and its use as optical disc substrate | |
| WO2000058385A1 (de) | Hochverzweigte polykondensate | |
| DE69924996T2 (de) | Copolycarbonate mit optischer qualität, die polyoxyalkylencarbonat einheiten enthalten | |
| DE3786846T2 (de) | Verfahren zur Herstellung von Polycarbonatharz. | |
| DE10135465A1 (de) | Polycarbonat-Blends | |
| DE69920102T2 (de) | Polycarbonatabmischung mit verbessertem Fliessverhalten | |
| DE69011443T3 (de) | Geformter Gegenstand für optische Zwecke und Medium für optische Datenspeicherung. | |
| DE10392405T5 (de) | Polycarbonatzusammensetzungen und damit in Beziehung stehende Gegenstände und Verfahren | |
| DE60306946T2 (de) | Polycarbonatcopolymere und verfahren zur herstellung der polycarbonatcopolymere | |
| DE69728241T2 (de) | Unter Verwendung von Hydroxyindanolen hergestellte Copolyestercarbonate in Optischer Platten Qualität | |
| DE3020327A1 (de) | Verfahren zur herstellung eines verzweigten polycarbonats | |
| DE19744693A1 (de) | Verfahren zur Herstellung von speziellen Copolycarbonaten durch Schmelzumesterung | |
| DE69814754T2 (de) | Polycarbonatharz zur Herstellung eines Substrates für optisches Aufzeichnungsmedium | |
| DE60016248T2 (de) | Herstellung von copolycarbonat durch polymerisation in fester phase | |
| EP1277781B1 (de) | Verfahren zur Herstellung von Copolycarbonaten | |
| DE60018995T2 (de) | Polycarbonat und Verfahren zu seiner Herstellung | |
| DE60008207T2 (de) | Verfahren zur Herstellung von aromatischen-aliphatischen Copolycarbonaten | |
| EP1000106B1 (de) | Copolycarbonate auf basis von indanbisphenolen | |
| DE60312331T2 (de) | Polyestercarbonate und verfahren zu ihren herstellung | |
| EP1065231B1 (en) | Cycloaliphatic copolycarbonates, their production and use |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |