PL111098B1 - Hydrometallugical process for treatment of lead containing sulfur compounds - Google Patents
Hydrometallugical process for treatment of lead containing sulfur compounds Download PDFInfo
- Publication number
- PL111098B1 PL111098B1 PL1977199743A PL19974377A PL111098B1 PL 111098 B1 PL111098 B1 PL 111098B1 PL 1977199743 A PL1977199743 A PL 1977199743A PL 19974377 A PL19974377 A PL 19974377A PL 111098 B1 PL111098 B1 PL 111098B1
- Authority
- PL
- Poland
- Prior art keywords
- lead
- chloride
- solution
- hydrogen
- liter
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 151
- 230000008569 process Effects 0.000 title claims description 61
- 150000003464 sulfur compounds Chemical class 0.000 title claims description 21
- 239000000243 solution Substances 0.000 claims description 109
- HWSZZLVAJGOAAY-UHFFFAOYSA-L lead(II) chloride Chemical compound Cl[Pb]Cl HWSZZLVAJGOAAY-UHFFFAOYSA-L 0.000 claims description 73
- 239000010949 copper Substances 0.000 claims description 61
- ORTQZVOHEJQUHG-UHFFFAOYSA-L copper(II) chloride Chemical compound Cl[Cu]Cl ORTQZVOHEJQUHG-UHFFFAOYSA-L 0.000 claims description 59
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 56
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 38
- 229910052802 copper Inorganic materials 0.000 claims description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 34
- 239000011701 zinc Substances 0.000 claims description 33
- 229910052739 hydrogen Inorganic materials 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 32
- 239000002184 metal Substances 0.000 claims description 32
- 239000001257 hydrogen Substances 0.000 claims description 30
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 28
- 229960003280 cupric chloride Drugs 0.000 claims description 25
- 229910052742 iron Inorganic materials 0.000 claims description 25
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 229910052725 zinc Inorganic materials 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 17
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 15
- 229910052785 arsenic Inorganic materials 0.000 claims description 14
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 14
- 229910052797 bismuth Inorganic materials 0.000 claims description 14
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims description 14
- 239000007864 aqueous solution Substances 0.000 claims description 13
- 239000011541 reaction mixture Substances 0.000 claims description 13
- 230000009467 reduction Effects 0.000 claims description 13
- -1 ferrous metals Chemical class 0.000 claims description 12
- 229910052787 antimony Inorganic materials 0.000 claims description 10
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims description 10
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 10
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052709 silver Inorganic materials 0.000 claims description 8
- 239000004332 silver Substances 0.000 claims description 8
- 239000007790 solid phase Substances 0.000 claims description 8
- 229910021578 Iron(III) chloride Inorganic materials 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 claims description 7
- 230000001172 regenerating effect Effects 0.000 claims description 7
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 6
- 229910001510 metal chloride Inorganic materials 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 5
- 229910001514 alkali metal chloride Inorganic materials 0.000 claims description 4
- 238000005868 electrolysis reaction Methods 0.000 claims description 4
- 229910000510 noble metal Inorganic materials 0.000 claims description 4
- 239000008247 solid mixture Substances 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 235000019270 ammonium chloride Nutrition 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical class [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011593 sulfur Substances 0.000 claims description 3
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005554 pickling Methods 0.000 claims description 2
- 150000003568 thioethers Chemical class 0.000 claims 5
- 239000003513 alkali Substances 0.000 claims 1
- 238000002386 leaching Methods 0.000 description 31
- 239000012141 concentrate Substances 0.000 description 23
- 229910052500 inorganic mineral Inorganic materials 0.000 description 23
- 239000011707 mineral Substances 0.000 description 23
- 235000010755 mineral Nutrition 0.000 description 23
- 238000004090 dissolution Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 12
- 150000004763 sulfides Chemical class 0.000 description 12
- 239000012071 phase Substances 0.000 description 11
- 239000007787 solid Substances 0.000 description 11
- 239000012535 impurity Substances 0.000 description 10
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 10
- 229910021591 Copper(I) chloride Inorganic materials 0.000 description 8
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 description 8
- 229940045803 cuprous chloride Drugs 0.000 description 8
- 229960002089 ferrous chloride Drugs 0.000 description 8
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- 150000001805 chlorine compounds Chemical class 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 229910001868 water Inorganic materials 0.000 description 6
- 238000005660 chlorination reaction Methods 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 4
- 238000005188 flotation Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- 239000000460 chlorine Substances 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- XCAUINMIESBTBL-UHFFFAOYSA-N lead(ii) sulfide Chemical compound [Pb]=S XCAUINMIESBTBL-UHFFFAOYSA-N 0.000 description 3
- 229910052976 metal sulfide Inorganic materials 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- VMQMZMRVKUZKQL-UHFFFAOYSA-N Cu+ Chemical compound [Cu+] VMQMZMRVKUZKQL-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 229910021577 Iron(II) chloride Inorganic materials 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000012065 filter cake Substances 0.000 description 2
- 229910052949 galena Inorganic materials 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000005272 metallurgy Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 241000252203 Clupea harengus Species 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- 102100035861 Cytosolic 5'-nucleotidase 1A Human genes 0.000 description 1
- 241000125974 Galene <Rhodophyta> Species 0.000 description 1
- 101000802744 Homo sapiens Cytosolic 5'-nucleotidase 1A Proteins 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- DLISVFCFLGSHAB-UHFFFAOYSA-N antimony arsenic Chemical compound [As].[Sb] DLISVFCFLGSHAB-UHFFFAOYSA-N 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910001578 chloride mineral Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- QUQFTIVBFKLPCL-UHFFFAOYSA-L copper;2-amino-3-[(2-amino-2-carboxylatoethyl)disulfanyl]propanoate Chemical compound [Cu+2].[O-]C(=O)C(N)CSSCC(N)C([O-])=O QUQFTIVBFKLPCL-UHFFFAOYSA-L 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- RCJVRSBWZCNNQT-UHFFFAOYSA-N dichloridooxygen Chemical group ClOCl RCJVRSBWZCNNQT-UHFFFAOYSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 150000004673 fluoride salts Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052598 goethite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 235000019514 herring Nutrition 0.000 description 1
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 150000002738 metalloids Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002835 noble gases Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 description 1
- 229910052683 pyrite Inorganic materials 0.000 description 1
- 239000011028 pyrite Substances 0.000 description 1
- 238000009853 pyrometallurgy Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000013049 sediment Substances 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
- PGWMQVQLSMAHHO-UHFFFAOYSA-N sulfanylidenesilver Chemical compound [Ag]=S PGWMQVQLSMAHHO-UHFFFAOYSA-N 0.000 description 1
- WGPCGCOKHWGKJJ-UHFFFAOYSA-N sulfanylidenezinc Chemical compound [Zn]=S WGPCGCOKHWGKJJ-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
Classifications
-
- 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
- C22B13/00—Obtaining lead
- C22B13/04—Obtaining lead by wet processes
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7622138A FR2359211A1 (fr) | 1976-07-20 | 1976-07-20 | Procede hydrometallurgique pour le traitement des composes sulfures contenant du plomb |
| FR7628912A FR2365638A2 (fr) | 1976-09-24 | 1976-09-24 | Procede hydrometallurgique pour le traitement des composes sulfures contenant du plomb |
| FR7711451A FR2387293A2 (fr) | 1977-04-15 | 1977-04-15 | Procede hydrometallurgique pour le traitement des composes sulfures contenant du plomb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL199743A1 PL199743A1 (pl) | 1978-04-10 |
| PL111098B1 true PL111098B1 (en) | 1980-08-30 |
Family
ID=27250650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1977199743A PL111098B1 (en) | 1976-07-20 | 1977-07-19 | Hydrometallugical process for treatment of lead containing sulfur compounds |
Country Status (16)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4902343A (en) * | 1976-07-20 | 1990-02-20 | Societe Miniere Et Metallurgique De Penarroya | Hydrometallurgical process for the treatment of sulphidized compounds containing lead |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1726258A (en) * | 1922-12-04 | 1929-08-27 | Niels C Christensen | Process of treating oxidized ores of lead |
| GB249465A (en) * | 1925-03-20 | 1926-11-24 | Consortium Fuer Nassmetallurgi | A process for purifying plumbiferous chloride liquors |
| FR2262698B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1974-02-28 | 1976-10-08 | Penarroya Miniere Metallurg | |
| FR2323766A1 (fr) * | 1975-04-21 | 1977-04-08 | Penarroya Miniere Metallurg | Procede hydrometallurgique pour traiter des minerais sulfures |
-
1977
- 1977-07-14 BE BE179358A patent/BE856829A/xx not_active IP Right Cessation
- 1977-07-18 GR GR53979A patent/GR66043B/el unknown
- 1977-07-18 CA CA282,906A patent/CA1108867A/en not_active Expired
- 1977-07-19 PL PL1977199743A patent/PL111098B1/pl unknown
- 1977-07-19 GB GB30335/77A patent/GB1560053A/en not_active Expired
- 1977-07-19 YU YU01799/77A patent/YU179977A/xx unknown
- 1977-07-19 JP JP52087216A patent/JPS602371B2/ja not_active Expired
- 1977-07-19 ZA ZA00774362A patent/ZA774362B/xx unknown
- 1977-07-19 PT PT66825A patent/PT66825B/pt unknown
- 1977-07-20 IE IE1512/77A patent/IE45861B1/en unknown
- 1977-07-20 ES ES460890A patent/ES460890A1/es not_active Expired
- 1977-07-20 AU AU27173/77A patent/AU516246B2/en not_active Expired
- 1977-07-20 DE DE2732817A patent/DE2732817C2/de not_active Expired
- 1977-07-20 PH PH20014A patent/PH17756A/en unknown
- 1977-07-20 IT IT12697/77A patent/IT1081027B/it active
- 1977-07-20 MX MX77169917A patent/MX146692A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1560053A (en) | 1980-01-30 |
| PH17756A (en) | 1984-11-27 |
| IT1081027B (it) | 1985-05-16 |
| AU2717377A (en) | 1979-01-25 |
| CA1108867A (en) | 1981-09-15 |
| DE2732817A1 (de) | 1978-01-26 |
| ES460890A1 (es) | 1978-12-01 |
| JPS602371B2 (ja) | 1985-01-21 |
| IE45861B1 (en) | 1982-12-15 |
| BE856829A (fr) | 1978-01-16 |
| PT66825B (fr) | 1978-12-27 |
| PL199743A1 (pl) | 1978-04-10 |
| YU179977A (en) | 1982-05-31 |
| MX146692A (es) | 1982-07-30 |
| ZA774362B (en) | 1978-06-28 |
| DE2732817C2 (de) | 1985-06-05 |
| IE45861L (en) | 1978-01-20 |
| GR66043B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-01-14 |
| AU516246B2 (en) | 1981-05-28 |
| JPS5314613A (en) | 1978-02-09 |
| PT66825A (fr) | 1977-08-01 |
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