EA027729B1 - Электролитическая ячейка для электровыделения металлов - Google Patents
Электролитическая ячейка для электровыделения металлов Download PDFInfo
- Publication number
- EA027729B1 EA027729B1 EA201591921A EA201591921A EA027729B1 EA 027729 B1 EA027729 B1 EA 027729B1 EA 201591921 A EA201591921 A EA 201591921A EA 201591921 A EA201591921 A EA 201591921A EA 027729 B1 EA027729 B1 EA 027729B1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- anode
- cell according
- screen
- cathode
- cell
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 238000005363 electrowinning Methods 0.000 title claims abstract description 10
- 150000002739 metals Chemical class 0.000 claims abstract description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 5
- 238000005868 electrolysis reaction Methods 0.000 claims description 5
- 229910001887 tin oxide Inorganic materials 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 3
- 239000003595 mist Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 229910000510 noble metal Inorganic materials 0.000 claims 1
- 239000000758 substrate Substances 0.000 claims 1
- 210000004027 cell Anatomy 0.000 abstract description 26
- 210000001787 dendrite Anatomy 0.000 abstract description 15
- 230000012010 growth Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002411 adverse Effects 0.000 abstract 1
- 239000013049 sediment Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- -1 ferrous metals Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229910000619 316 stainless steel Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005341 cation exchange Methods 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000010416 ion conductor Substances 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 229910000457 iridium oxide Inorganic materials 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical class [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(ii) oxide Chemical class [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 1
- 230000004222 uncontrolled growth Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/12—Electrolytic production, recovery or refining of metals by electrolysis of solutions of copper
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/02—Electrodes; Connections thereof
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/04—Diaphragms; Spacing elements
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electrolytic Production Of Metals (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000505A ITMI20130505A1 (it) | 2013-04-04 | 2013-04-04 | Cella per estrazione elettrolitica di metalli |
| PCT/EP2014/056680 WO2014161928A1 (en) | 2013-04-04 | 2014-04-03 | Electrolytic cell for metal electrowinning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA201591921A1 EA201591921A1 (ru) | 2016-02-29 |
| EA027729B1 true EA027729B1 (ru) | 2017-08-31 |
Family
ID=48366397
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA201591921A EA027729B1 (ru) | 2013-04-04 | 2014-04-03 | Электролитическая ячейка для электровыделения металлов |
| EA201591923A EA027730B1 (ru) | 2013-04-04 | 2014-04-03 | Электролитическая ячейка для электровыделения металлов |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA201591923A EA027730B1 (ru) | 2013-04-04 | 2014-04-03 | Электролитическая ячейка для электровыделения металлов |
Country Status (21)
| Country | Link |
|---|---|
| US (2) | US10221495B2 (OSRAM) |
| EP (2) | EP2981637B1 (OSRAM) |
| JP (2) | JP6521944B2 (OSRAM) |
| KR (2) | KR20150140342A (OSRAM) |
| CN (2) | CN105074057B (OSRAM) |
| AP (2) | AP2015008651A0 (OSRAM) |
| AR (2) | AR095963A1 (OSRAM) |
| AU (2) | AU2014247022B2 (OSRAM) |
| BR (2) | BR112015025336A2 (OSRAM) |
| CA (2) | CA2901271A1 (OSRAM) |
| CL (2) | CL2015002942A1 (OSRAM) |
| EA (2) | EA027729B1 (OSRAM) |
| ES (2) | ES2619700T3 (OSRAM) |
| IT (1) | ITMI20130505A1 (OSRAM) |
| MX (2) | MX373762B (OSRAM) |
| PE (2) | PE20151791A1 (OSRAM) |
| PH (2) | PH12015502286B1 (OSRAM) |
| PL (2) | PL2981637T3 (OSRAM) |
| TW (2) | TWI614376B (OSRAM) |
| WO (2) | WO2014161929A1 (OSRAM) |
| ZA (2) | ZA201507326B (OSRAM) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI655324B (zh) * | 2014-02-19 | 2019-04-01 | 義大利商第諾拉工業公司 | 電解槽之陽極結構以及金屬電解場中金屬澱積方法和系統 |
| TWI687550B (zh) * | 2014-08-01 | 2020-03-11 | 義大利商第諾拉工業公司 | 金屬電煉電解槽之單位電池及其陽極元件，和從電解浴初步萃取金屬用之電解槽，以及從含亞銅離子和／或銅離子之溶液取得銅之製法 |
| ITUB20152450A1 (it) * | 2015-07-24 | 2017-01-24 | Industrie De Nora Spa | Apparato elettrodico per elettrodeposizione di metalli non ferrosi |
| EP3426824B1 (en) * | 2016-03-09 | 2020-12-30 | Industrie De Nora S.P.A. | Electrode structure provided with resistors |
| ES2580552B1 (es) * | 2016-04-29 | 2017-05-31 | Industrie De Nora S.P.A. | Ánodo seguro para celda electroquímica. |
| WO2021260458A1 (en) * | 2020-06-23 | 2021-12-30 | Greenway Timothy Kelvynge | Electrowinning and electrorefining environment communicator |
| WO2022241517A1 (en) * | 2021-05-19 | 2022-11-24 | Plastic Fabricators (WA) Pty Ltd t/a PFWA | Electrolytic cell |
| EP4389940A1 (fr) | 2022-12-21 | 2024-06-26 | John Cockerill SA | Dispositif pour une electrodeposition anti-dendrites |
| US12503784B2 (en) * | 2023-06-21 | 2025-12-23 | SiTration, Inc. | Methods and apparatus for extracting metals from materials |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256557A (en) * | 1979-10-16 | 1981-03-17 | The United States Of America As Represented By The Secretary Of The Interior | Copper electrowinning and Cr+6 reduction in spent etchants using porous fixed bed coke electrodes |
| EP0046447A1 (en) * | 1980-08-18 | 1982-02-24 | Eltech Systems Corporation | Electrode with electrocatalytic surface and method of manufacture |
| US4786384A (en) * | 1986-11-24 | 1988-11-22 | Heraeus Elektroden Gmbh | Electroytic cell for treatment of metal ion containing industrial waste water |
| US6120658A (en) * | 1999-04-23 | 2000-09-19 | Hatch Africa (Pty) Limited | Electrode cover for preventing the generation of electrolyte mist |
| US6352622B1 (en) * | 1998-05-06 | 2002-03-05 | Eltech Systems Corporation | Lead electrode |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3029193A (en) * | 1954-11-23 | 1962-04-10 | Chicago Dev Corp | Electrorefining metals |
| US3899405A (en) * | 1972-03-31 | 1975-08-12 | Rockwell International Corp | Method of removing heavy metals from water and apparatus therefor |
| US3855092A (en) * | 1972-05-30 | 1974-12-17 | Electronor Corp | Novel electrolysis method |
| CA1092056A (en) * | 1977-10-11 | 1980-12-23 | Victor A. Ettel | Electrowinning cell with bagged anode |
| WO1983002288A1 (en) * | 1981-12-28 | 1983-07-07 | Hinden, Jean, Marcel | Electrocatalytic electrode |
| US4422911A (en) * | 1982-06-14 | 1983-12-27 | Prototech Company | Method of recovering hydrogen-reduced metals, ions and the like at porous catalytic barriers and apparatus therefor |
| US4517064A (en) * | 1983-09-23 | 1985-05-14 | Duval Corporation | Electrolytic cell |
| JPH0444618Y2 (OSRAM) * | 1987-01-26 | 1992-10-21 | ||
| US4776931A (en) * | 1987-07-27 | 1988-10-11 | Lab Systems, Inc. | Method and apparatus for recovering metals from solutions |
| US5102513A (en) * | 1990-11-09 | 1992-04-07 | Guy Fournier | Apparatus and method for recovering metals from solutions |
| US5622615A (en) * | 1996-01-04 | 1997-04-22 | The University Of British Columbia | Process for electrowinning of copper matte |
| CN1170780A (zh) * | 1996-07-11 | 1998-01-21 | 柯国平 | 一种电解提取、精炼的新方法及设备 |
| JP3925983B2 (ja) * | 1997-03-04 | 2007-06-06 | 日鉱金属株式会社 | 電解製錬の異常検出方法及びそれを実施する異常検出システム |
| US5947836A (en) | 1997-08-26 | 1999-09-07 | Callaway Golf Company | Integral molded grip and shaft |
| US6139705A (en) * | 1998-05-06 | 2000-10-31 | Eltech Systems Corporation | Lead electrode |
| US6368489B1 (en) * | 1998-05-06 | 2002-04-09 | Eltech Systems Corporation | Copper electrowinning |
| US6503385B2 (en) * | 2001-03-13 | 2003-01-07 | Metals Investment Trust Limited | Method and apparatus for growth removal in an electrowinning process |
| ITMI20021524A1 (it) * | 2002-07-11 | 2004-01-12 | De Nora Elettrodi Spa | Cella con elettrodo a letto in eruzione per elettrodeposiwione di metalli |
| JP3913725B2 (ja) * | 2003-09-30 | 2007-05-09 | 日鉱金属株式会社 | 高純度電気銅及びその製造方法 |
| US8142627B2 (en) * | 2007-07-31 | 2012-03-27 | Ancor Tecmin, S.A. | System for monitoring, control, and management of a plant where hydrometallurgical electrowinning and electrorefining processes for non ferrous metals |
| CN101114000B (zh) * | 2007-08-28 | 2010-08-04 | 湘潭市仪器仪表成套制造有限公司 | 电解极板状态智能检测方法及系统 |
| CN201121217Y (zh) * | 2007-09-25 | 2008-09-24 | 紫金矿业集团股份有限公司 | 铅阳极复合板电积槽 |
| ITMI20111668A1 (it) * | 2011-09-16 | 2013-03-17 | Industrie De Nora Spa | Sistema permanente per la valutazione in continuo della distribuzione di corrente in celle elettrolitiche interconnesse. |
| ITMI20111938A1 (it) | 2011-10-26 | 2013-04-27 | Industrie De Nora Spa | Comparto anodico per celle per estrazione elettrolitica di metalli |
| CN103014774B (zh) * | 2013-01-14 | 2015-04-15 | 四川华索自动化信息工程有限公司 | 基于铝电解槽阳极电流分布的在线测量装置及其测量方法 |
-
2013
- 2013-04-04 IT IT000505A patent/ITMI20130505A1/it unknown
-
2014
- 2014-03-21 TW TW103110578A patent/TWI614376B/zh not_active IP Right Cessation
- 2014-03-31 AR ARP140101441A patent/AR095963A1/es active IP Right Grant
- 2014-04-01 AR ARP140101454A patent/AR095976A1/es active IP Right Grant
- 2014-04-03 EP EP14718531.8A patent/EP2981637B1/en not_active Not-in-force
- 2014-04-03 JP JP2016505819A patent/JP6521944B2/ja not_active Expired - Fee Related
- 2014-04-03 WO PCT/EP2014/056681 patent/WO2014161929A1/en not_active Ceased
- 2014-04-03 BR BR112015025336A patent/BR112015025336A2/pt active Search and Examination
- 2014-04-03 AP AP2015008651A patent/AP2015008651A0/xx unknown
- 2014-04-03 PL PL14718531T patent/PL2981637T3/pl unknown
- 2014-04-03 MX MX2015013955A patent/MX373762B/es active IP Right Grant
- 2014-04-03 CN CN201480019916.XA patent/CN105074057B/zh not_active Expired - Fee Related
- 2014-04-03 WO PCT/EP2014/056680 patent/WO2014161928A1/en not_active Ceased
- 2014-04-03 CN CN201480019098.3A patent/CN105189825B/zh not_active Expired - Fee Related
- 2014-04-03 JP JP2016505818A patent/JP6472787B2/ja not_active Expired - Fee Related
- 2014-04-03 PL PL14717432T patent/PL2981638T3/pl unknown
- 2014-04-03 AU AU2014247022A patent/AU2014247022B2/en not_active Ceased
- 2014-04-03 AP AP2015008793A patent/AP2015008793A0/xx unknown
- 2014-04-03 EP EP14717432.0A patent/EP2981638B1/en not_active Not-in-force
- 2014-04-03 AU AU2014247023A patent/AU2014247023B2/en not_active Ceased
- 2014-04-03 KR KR1020157031657A patent/KR20150140342A/ko not_active Ceased
- 2014-04-03 KR KR1020157031589A patent/KR20150138373A/ko not_active Ceased
- 2014-04-03 ES ES14717432.0T patent/ES2619700T3/es active Active
- 2014-04-03 CA CA2901271A patent/CA2901271A1/en not_active Abandoned
- 2014-04-03 BR BR112015025230A patent/BR112015025230A2/pt active Search and Examination
- 2014-04-03 ES ES14718531.8T patent/ES2622058T3/es active Active
- 2014-04-03 TW TW103112405A patent/TWI642812B/zh not_active IP Right Cessation
- 2014-04-03 PE PE2015002106A patent/PE20151791A1/es active IP Right Grant
- 2014-04-03 US US14/781,436 patent/US10221495B2/en not_active Expired - Fee Related
- 2014-04-03 US US14/781,472 patent/US10301731B2/en not_active Expired - Fee Related
- 2014-04-03 CA CA2907410A patent/CA2907410C/en not_active Expired - Fee Related
- 2014-04-03 EA EA201591921A patent/EA027729B1/ru not_active IP Right Cessation
- 2014-04-03 PE PE2015002107A patent/PE20151547A1/es active IP Right Grant
- 2014-04-03 EA EA201591923A patent/EA027730B1/ru not_active IP Right Cessation
- 2014-04-03 MX MX2015013956A patent/MX373761B/es active IP Right Grant
-
2015
- 2015-10-01 PH PH12015502286A patent/PH12015502286B1/en unknown
- 2015-10-01 PH PH12015502287A patent/PH12015502287B1/en unknown
- 2015-10-02 CL CL2015002942A patent/CL2015002942A1/es unknown
- 2015-10-02 CL CL2015002943A patent/CL2015002943A1/es unknown
- 2015-10-02 ZA ZA2015/07326A patent/ZA201507326B/en unknown
- 2015-10-02 ZA ZA2015/07323A patent/ZA201507323B/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4256557A (en) * | 1979-10-16 | 1981-03-17 | The United States Of America As Represented By The Secretary Of The Interior | Copper electrowinning and Cr+6 reduction in spent etchants using porous fixed bed coke electrodes |
| EP0046447A1 (en) * | 1980-08-18 | 1982-02-24 | Eltech Systems Corporation | Electrode with electrocatalytic surface and method of manufacture |
| US4786384A (en) * | 1986-11-24 | 1988-11-22 | Heraeus Elektroden Gmbh | Electroytic cell for treatment of metal ion containing industrial waste water |
| US6352622B1 (en) * | 1998-05-06 | 2002-03-05 | Eltech Systems Corporation | Lead electrode |
| US6120658A (en) * | 1999-04-23 | 2000-09-19 | Hatch Africa (Pty) Limited | Electrode cover for preventing the generation of electrolyte mist |
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): BY KG TJ TM |
|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ KZ RU |