DE1931426A1 - Verfahren zur Reinigung von Nickel und Nickelbegleitmetallen - Google Patents
Verfahren zur Reinigung von Nickel und NickelbegleitmetallenInfo
- Publication number
- DE1931426A1 DE1931426A1 DE19691931426 DE1931426A DE1931426A1 DE 1931426 A1 DE1931426 A1 DE 1931426A1 DE 19691931426 DE19691931426 DE 19691931426 DE 1931426 A DE1931426 A DE 1931426A DE 1931426 A1 DE1931426 A1 DE 1931426A1
- Authority
- DE
- Germany
- Prior art keywords
- nickel
- solution
- chloride
- cobalt
- iron
- 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.)
- Withdrawn
Links
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims description 137
- 229910052759 nickel Inorganic materials 0.000 title claims description 67
- 238000000034 method Methods 0.000 title claims description 46
- 229910052751 metal Inorganic materials 0.000 title claims description 33
- 239000002184 metal Substances 0.000 title claims description 33
- 150000002739 metals Chemical class 0.000 title claims description 22
- 238000004140 cleaning Methods 0.000 title claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 70
- 239000000243 solution Substances 0.000 claims description 52
- 229910017052 cobalt Inorganic materials 0.000 claims description 49
- 239000010941 cobalt Substances 0.000 claims description 49
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 48
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 33
- 229910052742 iron Inorganic materials 0.000 claims description 33
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical class Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 27
- 239000011347 resin Substances 0.000 claims description 23
- 229920005989 resin Polymers 0.000 claims description 23
- -1 nickel metals Chemical class 0.000 claims description 18
- 239000011780 sodium chloride Substances 0.000 claims description 16
- 150000003839 salts Chemical class 0.000 claims description 10
- 239000003456 ion exchange resin Substances 0.000 claims description 9
- 229920003303 ion-exchange polymer Polymers 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 8
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 7
- 239000003957 anion exchange resin Substances 0.000 claims description 7
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 claims description 6
- 150000001450 anions Chemical class 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 230000000717 retained effect Effects 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 239000004793 Polystyrene Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 239000001103 potassium chloride Substances 0.000 claims description 4
- 235000011164 potassium chloride Nutrition 0.000 claims description 4
- 239000002585 base Substances 0.000 claims description 3
- 238000000354 decomposition reaction Methods 0.000 claims description 3
- 229910000863 Ferronickel Inorganic materials 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims 1
- 125000003277 amino group Chemical group 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 14
- 150000001805 chlorine compounds Chemical class 0.000 description 8
- 238000000926 separation method Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000010949 copper Substances 0.000 description 6
- 102100021935 C-C motif chemokine 26 Human genes 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 101000897493 Homo sapiens C-C motif chemokine 26 Proteins 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 4
- 238000010828 elution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 150000004679 hydroxides Chemical class 0.000 description 3
- 238000005342 ion exchange Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 229920001429 chelating resin Polymers 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 150000004700 cobalt complex Chemical class 0.000 description 2
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical class [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 239000010814 metallic waste Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 229920001467 poly(styrenesulfonates) Polymers 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 150000003624 transition metals Chemical group 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical class [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000004070 electrodeposition Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 229940083124 ganglion-blocking antiadrenergic secondary and tertiary amines Drugs 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical class Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical group [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- BFDHFSHZJLFAMC-UHFFFAOYSA-L nickel(ii) hydroxide Chemical compound [OH-].[OH-].[Ni+2] BFDHFSHZJLFAMC-UHFFFAOYSA-L 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical class OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/01—Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0009—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/01—Preparation or separation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/42—Treatment or purification of solutions, e.g. obtained by leaching by ion-exchange extraction
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Electrolytic Production Of Metals (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR156168A FR1583920A (fr) | 1968-06-21 | 1968-06-21 | Procede de purification de solutions de nickel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1931426A1 true DE1931426A1 (de) | 1970-03-19 |
Family
ID=8651520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691931426 Withdrawn DE1931426A1 (de) | 1968-06-21 | 1969-06-20 | Verfahren zur Reinigung von Nickel und Nickelbegleitmetallen |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3656940A (cs) |
| JP (1) | JPS518095B1 (cs) |
| BE (1) | BE734070A (cs) |
| BR (1) | BR6909995D0 (cs) |
| CS (1) | CS179356B2 (cs) |
| CU (1) | CU33395A (cs) |
| DE (1) | DE1931426A1 (cs) |
| DO (1) | DOP1969001630A (cs) |
| FI (1) | FI50328C (cs) |
| FR (1) | FR1583920A (cs) |
| GB (1) | GB1276134A (cs) |
| NO (1) | NO125938B (cs) |
| YU (1) | YU33889B (cs) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2138332B1 (cs) * | 1971-05-24 | 1975-07-04 | Nickel Le | |
| FR2138330B1 (cs) * | 1971-05-24 | 1978-01-27 | Nickel Le | |
| FR2251364B1 (cs) * | 1973-11-19 | 1976-10-01 | Rhone Progil | |
| FR2259913B1 (cs) * | 1974-02-05 | 1976-11-26 | Nickel Le | |
| US5368703A (en) * | 1992-05-12 | 1994-11-29 | Anco Environmental Processes, Inc. | Method for arsenic removal from wastewater |
| JP3876253B2 (ja) * | 2001-08-01 | 2007-01-31 | 日鉱金属株式会社 | 高純度ニッケルの製造方法 |
| FR2834980B1 (fr) * | 2002-01-23 | 2005-01-14 | Sarp Ind | Procede de separation du zinc et d'un second metal ne formant pas de complexe anionique en presence d'ions chlorures |
| JP4124071B2 (ja) * | 2003-09-17 | 2008-07-23 | 住友金属鉱山株式会社 | 塩化ニッケル水溶液の精製方法 |
| WO2006113944A1 (en) * | 2005-04-18 | 2006-10-26 | Edmund Kevin Hardwick | Separation of nickel from cobalt by using chloridizing solution and cobalt-selective resin |
| ES2698205T5 (en) * | 2005-11-25 | 2025-02-27 | Macdermid Enthone Inc | Process for cleaning of processing solutions |
| JP6602172B2 (ja) * | 2015-11-18 | 2019-11-06 | シチズン時計株式会社 | 金属装飾物及びその製造方法 |
| CN106283108B (zh) * | 2016-08-31 | 2018-04-03 | 中南大学 | 一种用离子交换树脂从镍电解阳极液中深度除铜的方法 |
| WO2023213919A1 (en) * | 2022-05-05 | 2023-11-09 | Umicore | Process for the oxidative leaching of a metal |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3128156A (en) * | 1960-02-08 | 1964-04-07 | Dow Chemical Co | Recovery and separation of cobalt and nickel |
| US3085054A (en) * | 1960-02-25 | 1963-04-09 | Falconbridge Nickel Mines Ltd | Recovery of nickel |
| US3235377A (en) * | 1962-11-23 | 1966-02-15 | Union Carbide Corp | Use of an anion exchange resin to absorb cobalt from a solution containing cobalt and nickel |
| US3537845A (en) * | 1967-04-24 | 1970-11-03 | Dow Chemical Co | Separation and recovery of cobalt and zinc |
-
1968
- 1968-06-21 FR FR156168A patent/FR1583920A/fr not_active Expired
-
1969
- 1969-05-27 YU YU1319/69A patent/YU33889B/xx unknown
- 1969-05-28 GB GB26880/69A patent/GB1276134A/en not_active Expired
- 1969-06-04 BE BE734070D patent/BE734070A/xx unknown
- 1969-06-05 US US830883A patent/US3656940A/en not_active Expired - Lifetime
- 1969-06-10 FI FI691723A patent/FI50328C/fi active
- 1969-06-13 CS CS6900004196A patent/CS179356B2/cs unknown
- 1969-06-18 NO NO2520/69A patent/NO125938B/no unknown
- 1969-06-20 CU CU6933395A patent/CU33395A/xx unknown
- 1969-06-20 BR BR209995/69A patent/BR6909995D0/pt unknown
- 1969-06-20 DE DE19691931426 patent/DE1931426A1/de not_active Withdrawn
- 1969-06-20 DO DO1969001630A patent/DOP1969001630A/es unknown
- 1969-06-21 JP JP6948848A patent/JPS518095B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FI50328B (cs) | 1975-10-31 |
| YU33889B (en) | 1978-06-30 |
| CU33395A (en) | 1981-12-04 |
| DOP1969001630A (es) | 1974-07-02 |
| NO125938B (cs) | 1972-11-27 |
| FI50328C (fi) | 1976-02-10 |
| GB1276134A (en) | 1972-06-01 |
| BR6909995D0 (pt) | 1973-01-11 |
| YU131969A (en) | 1977-12-31 |
| JPS518095B1 (cs) | 1976-03-13 |
| CS179356B2 (en) | 1977-10-31 |
| US3656940A (en) | 1972-04-18 |
| FR1583920A (fr) | 1969-12-05 |
| BE734070A (cs) | 1969-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |