DE2133855C3 - Verfahren zur Abtrennung der in einer industriellen wäßrigen Nickelsalzlösung als Verunreinigungen enthaltenen anderen Metallionen durch selektive Extraktion - Google Patents
Verfahren zur Abtrennung der in einer industriellen wäßrigen Nickelsalzlösung als Verunreinigungen enthaltenen anderen Metallionen durch selektive ExtraktionInfo
- Publication number
- DE2133855C3 DE2133855C3 DE2133855A DE2133855A DE2133855C3 DE 2133855 C3 DE2133855 C3 DE 2133855C3 DE 2133855 A DE2133855 A DE 2133855A DE 2133855 A DE2133855 A DE 2133855A DE 2133855 C3 DE2133855 C3 DE 2133855C3
- Authority
- DE
- Germany
- Prior art keywords
- solution
- aqueous
- nickel
- solutions
- thiocyanate
- 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
Links
- 238000000034 method Methods 0.000 title claims description 30
- 238000000605 extraction Methods 0.000 title claims description 24
- 239000012535 impurity Substances 0.000 title claims description 15
- 238000000926 separation method Methods 0.000 title claims description 14
- 150000002815 nickel Chemical class 0.000 title claims description 10
- 239000012266 salt solution Substances 0.000 title claims description 8
- 229910021645 metal ion Inorganic materials 0.000 title claims 3
- 239000000243 solution Substances 0.000 claims description 105
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 47
- 239000012074 organic phase Substances 0.000 claims description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 29
- 239000002184 metal Substances 0.000 claims description 28
- 239000010949 copper Substances 0.000 claims description 25
- 230000008929 regeneration Effects 0.000 claims description 22
- 238000011069 regeneration method Methods 0.000 claims description 22
- 229910017052 cobalt Inorganic materials 0.000 claims description 21
- 239000010941 cobalt Substances 0.000 claims description 21
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 21
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 claims description 21
- 229910052759 nickel Inorganic materials 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 239000008346 aqueous phase Substances 0.000 claims description 20
- 229910052802 copper Inorganic materials 0.000 claims description 20
- 239000011701 zinc Substances 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 18
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 15
- 229910052725 zinc Inorganic materials 0.000 claims description 15
- -1 chlorine ions Chemical class 0.000 claims description 11
- ZMZDMBWJUHKJPS-UHFFFAOYSA-M Thiocyanate anion Chemical compound [S-]C#N ZMZDMBWJUHKJPS-UHFFFAOYSA-M 0.000 claims description 10
- RWSOTUBLDIXVET-UHFFFAOYSA-O sulfonium Chemical compound [SH3+] RWSOTUBLDIXVET-UHFFFAOYSA-O 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 7
- 150000003567 thiocyanates Chemical class 0.000 claims description 7
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 6
- SOIFLUNRINLCBN-UHFFFAOYSA-N ammonium thiocyanate Chemical class [NH4+].[S-]C#N SOIFLUNRINLCBN-UHFFFAOYSA-N 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical compound [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 claims description 4
- 150000001768 cations Chemical class 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000011282 treatment Methods 0.000 claims description 3
- 150000001450 anions Chemical class 0.000 claims description 2
- 238000005868 electrolysis reaction Methods 0.000 claims description 2
- 150000002576 ketones Chemical class 0.000 claims description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 2
- 150000001805 chlorine compounds Chemical class 0.000 claims 2
- 238000011084 recovery Methods 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 claims 1
- 239000003054 catalyst Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 239000012141 concentrate Substances 0.000 claims 1
- 150000001913 cyanates Chemical class 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 239000002440 industrial waste Substances 0.000 claims 1
- 238000005342 ion exchange Methods 0.000 claims 1
- 150000002500 ions Chemical class 0.000 claims 1
- 238000002386 leaching Methods 0.000 claims 1
- 229910052748 manganese Inorganic materials 0.000 claims 1
- 239000011572 manganese Substances 0.000 claims 1
- 150000002816 nickel compounds Chemical class 0.000 claims 1
- 150000002823 nitrates Chemical class 0.000 claims 1
- 238000011017 operating method Methods 0.000 claims 1
- 239000002244 precipitate Substances 0.000 claims 1
- 125000001453 quaternary ammonium group Chemical group 0.000 claims 1
- 239000002893 slag Substances 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 239000012071 phase Substances 0.000 description 15
- DPUXEBMVUQERNI-UHFFFAOYSA-N sulfanium;thiocyanate Chemical class [SH3+].[S-]C#N DPUXEBMVUQERNI-UHFFFAOYSA-N 0.000 description 11
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 10
- 238000005406 washing Methods 0.000 description 10
- LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 9
- 229910000363 nickel(II) sulfate Inorganic materials 0.000 description 9
- 235000011130 ammonium sulphate Nutrition 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- PTTPXKJBFFKCEK-UHFFFAOYSA-N 2-Methyl-4-heptanone Chemical compound CC(C)CC(=O)CC(C)C PTTPXKJBFFKCEK-UHFFFAOYSA-N 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 5
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 5
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 229910000368 zinc sulfate Inorganic materials 0.000 description 4
- 229960001763 zinc sulfate Drugs 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- 229910000365 copper sulfate Inorganic materials 0.000 description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 3
- 238000000622 liquid--liquid extraction Methods 0.000 description 3
- 235000010265 sodium sulphite Nutrition 0.000 description 3
- 238000000638 solvent extraction Methods 0.000 description 3
- 229910021653 sulphate ion Inorganic materials 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 235000011114 ammonium hydroxide Nutrition 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 1
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000001166 ammonium sulphate Substances 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 1
- 229940044175 cobalt sulfate Drugs 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- 238000000658 coextraction Methods 0.000 description 1
- 230000009918 complex formation Effects 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- UWNADWZGEHDQAB-UHFFFAOYSA-N i-Pr2C2H4i-Pr2 Natural products CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910000000 metal hydroxide Inorganic materials 0.000 description 1
- 150000004692 metal hydroxides Chemical class 0.000 description 1
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 description 1
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
- 229910001453 nickel ion Inorganic materials 0.000 description 1
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical class [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 235000009529 zinc sulphate Nutrition 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0488—Flow sheets
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
- C01G3/003—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
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C381/00—Compounds containing carbon and sulfur and having functional groups not covered by groups C07C301/00 - C07C337/00
- C07C381/12—Sulfonium compounds
-
- 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
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/34—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing sulfur, e.g. sulfonium
-
- 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)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Detergent Compositions (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7025258A FR2096865B1 (https=) | 1970-07-08 | 1970-07-08 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2133855A1 DE2133855A1 (de) | 1972-01-13 |
| DE2133855B2 DE2133855B2 (de) | 1974-04-04 |
| DE2133855C3 true DE2133855C3 (de) | 1974-12-05 |
Family
ID=9058432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2133855A Expired DE2133855C3 (de) | 1970-07-08 | 1971-07-07 | Verfahren zur Abtrennung der in einer industriellen wäßrigen Nickelsalzlösung als Verunreinigungen enthaltenen anderen Metallionen durch selektive Extraktion |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5110572B1 (https=) |
| AT (1) | AT314477B (https=) |
| BE (1) | BE769526A (https=) |
| CA (1) | CA940305A (https=) |
| DE (1) | DE2133855C3 (https=) |
| FR (1) | FR2096865B1 (https=) |
| GB (1) | GB1314924A (https=) |
| NL (1) | NL147398B (https=) |
| NO (1) | NO129753B (https=) |
| OA (1) | OA03758A (https=) |
| SU (1) | SU421203A3 (https=) |
| ZA (1) | ZA714513B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1112460A (en) * | 1977-02-28 | 1981-11-17 | Franklin F. Clark | Solvent extraction process |
-
1970
- 1970-07-08 FR FR7025258A patent/FR2096865B1/fr not_active Expired
-
1971
- 1971-06-29 NO NO02474/71A patent/NO129753B/no unknown
- 1971-07-05 BE BE769526A patent/BE769526A/xx unknown
- 1971-07-05 GB GB3150271A patent/GB1314924A/en not_active Expired
- 1971-07-07 DE DE2133855A patent/DE2133855C3/de not_active Expired
- 1971-07-07 CA CA117,608A patent/CA940305A/en not_active Expired
- 1971-07-07 OA OA54298A patent/OA03758A/xx unknown
- 1971-07-08 NL NL717109463A patent/NL147398B/xx unknown
- 1971-07-08 JP JP46050659A patent/JPS5110572B1/ja active Pending
- 1971-07-08 AT AT596971A patent/AT314477B/de not_active IP Right Cessation
- 1971-07-08 ZA ZA714513A patent/ZA714513B/xx unknown
- 1971-07-08 SU SU1677524A patent/SU421203A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| BE769526A (fr) | 1972-01-05 |
| AT314477B (de) | 1974-04-10 |
| NL147398B (nl) | 1975-10-15 |
| OA03758A (fr) | 1971-12-24 |
| NL7109463A (https=) | 1972-01-11 |
| JPS5110572B1 (https=) | 1976-04-05 |
| DE2133855B2 (de) | 1974-04-04 |
| FR2096865B1 (https=) | 1974-05-24 |
| SU421203A3 (https=) | 1974-03-25 |
| DE2133855A1 (de) | 1972-01-13 |
| NO129753B (https=) | 1974-05-20 |
| ZA714513B (en) | 1972-06-28 |
| FR2096865A1 (https=) | 1972-03-03 |
| CA940305A (en) | 1974-01-22 |
| GB1314924A (en) | 1973-04-26 |
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