CA1115024A - Process of hydrometallurgical treatment for eliminating impurities from a solution containing dissolved metals - Google Patents

Process of hydrometallurgical treatment for eliminating impurities from a solution containing dissolved metals

Info

Publication number: CA1115024A
Authority: CA; Canada
Prior art keywords: silicate; solution; zinc; iron; added
Prior art date: 1977-05-09
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

Application number

CA302,859A

Other languages

English (en)

French (fr)

Inventor

Jacques De Laever

Serge R. De Lockerente

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Hollux SA

Original Assignee

Hollux SA

Priority date (The priority date 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 date listed.)

1977-05-09

Filing date

1978-05-08

Publication date

1981-12-29

1977-05-09 Priority claimed from LU77307A external-priority patent/LU77307A1/xx

1978-05-08 Application filed by Hollux SA filed Critical Hollux SA

1981-12-29 Application granted granted Critical

1981-12-29 Publication of CA1115024A publication Critical patent/CA1115024A/en

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 39
230000008569 process Effects 0.000 title claims abstract description 39
239000012535 impurity Substances 0.000 title claims abstract description 25
229910052751 metal Inorganic materials 0.000 title claims abstract description 23
239000002184 metal Substances 0.000 title claims abstract description 23
150000002739 metals Chemical class 0.000 title description 5
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 74
229910052742 iron Inorganic materials 0.000 claims abstract description 32
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 31
239000007787 solid Substances 0.000 claims abstract description 13
NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims abstract description 11
229960001763 zinc sulfate Drugs 0.000 claims abstract description 11
229910000368 zinc sulfate Inorganic materials 0.000 claims abstract description 11
RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 claims abstract description 10
235000012239 silicon dioxide Nutrition 0.000 claims abstract description 10
230000003472 neutralizing effect Effects 0.000 claims abstract description 8
-1 Fe+++ ions Chemical class 0.000 claims abstract description 6
238000011065 in-situ storage Methods 0.000 claims abstract description 4
239000011701 zinc Substances 0.000 claims description 40
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 33
229910052725 zinc Inorganic materials 0.000 claims description 33
239000002253 acid Substances 0.000 claims description 21
239000002893 slag Substances 0.000 claims description 12
235000008733 Citrus aurantifolia Nutrition 0.000 claims description 8
235000011941 Tilia x europaea Nutrition 0.000 claims description 8
239000004571 lime Substances 0.000 claims description 8
229910052915 alkaline earth metal silicate Inorganic materials 0.000 claims description 7
XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
229910052918 calcium silicate Inorganic materials 0.000 claims description 4
239000000378 calcium silicate Substances 0.000 claims description 4
OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical group [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 claims description 4
239000011787 zinc oxide Substances 0.000 claims description 2
230000001590 oxidative effect Effects 0.000 claims 1
239000000243 solution Substances 0.000 description 49
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 16
238000001556 precipitation Methods 0.000 description 15
239000011777 magnesium Substances 0.000 description 12
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
238000005868 electrolysis reaction Methods 0.000 description 9
239000000377 silicon dioxide Substances 0.000 description 8
238000006243 chemical reaction Methods 0.000 description 7
238000010908 decantation Methods 0.000 description 7
239000000047 product Substances 0.000 description 7
239000000706 filtrate Substances 0.000 description 6
238000001914 filtration Methods 0.000 description 6
230000007935 neutral effect Effects 0.000 description 6
239000004110 Zinc silicate Substances 0.000 description 5
239000004568 cement Substances 0.000 description 5
ZOIVSVWBENBHNT-UHFFFAOYSA-N dizinc;silicate Chemical compound [Zn+2].[Zn+2].[O-][Si]([O-])([O-])[O-] ZOIVSVWBENBHNT-UHFFFAOYSA-N 0.000 description 5
238000000605 extraction Methods 0.000 description 5
150000002500 ions Chemical class 0.000 description 5
229910052749 magnesium Inorganic materials 0.000 description 5
239000000203 mixture Substances 0.000 description 5
238000000746 purification Methods 0.000 description 5
150000004760 silicates Chemical class 0.000 description 5
239000000126 substance Substances 0.000 description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
235000019352 zinc silicate Nutrition 0.000 description 5
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
229910052784 alkaline earth metal Inorganic materials 0.000 description 4
150000001342 alkaline earth metals Chemical class 0.000 description 4
238000006386 neutralization reaction Methods 0.000 description 4
238000000926 separation method Methods 0.000 description 4
229910000859 α-Fe Inorganic materials 0.000 description 4
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
229910052791 calcium Inorganic materials 0.000 description 3
239000011575 calcium Substances 0.000 description 3
239000007795 chemical reaction product Substances 0.000 description 3
238000010586 diagram Methods 0.000 description 3
230000001376 precipitating effect Effects 0.000 description 3
239000000376 reactant Substances 0.000 description 3
230000001105 regulatory effect Effects 0.000 description 3
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
230000008901 benefit Effects 0.000 description 2
238000000975 co-precipitation Methods 0.000 description 2
238000004090 dissolution Methods 0.000 description 2
238000009854 hydrometallurgy Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
229910000510 noble metal Inorganic materials 0.000 description 2
230000001473 noxious effect Effects 0.000 description 2
239000007800 oxidant agent Substances 0.000 description 2
230000003647 oxidation Effects 0.000 description 2
238000007254 oxidation reaction Methods 0.000 description 2
230000009257 reactivity Effects 0.000 description 2
239000007858 starting material Substances 0.000 description 2
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
101100014660 Rattus norvegicus Gimap8 gene Proteins 0.000 description 1
241000212342 Sium Species 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
239000004411 aluminium Substances 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
229910052925 anhydrite Inorganic materials 0.000 description 1
229910052787 antimony Inorganic materials 0.000 description 1
WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
229910052785 arsenic Inorganic materials 0.000 description 1
RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
239000004566 building material Substances 0.000 description 1
OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
239000004567 concrete Substances 0.000 description 1
239000000470 constituent Substances 0.000 description 1
230000002844 continuous effect Effects 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
238000010790 dilution Methods 0.000 description 1
239000012895 dilution Substances 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
229910052732 germanium Inorganic materials 0.000 description 1
GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
229910052598 goethite Inorganic materials 0.000 description 1
229910052595 hematite Inorganic materials 0.000 description 1
239000011019 hematite Substances 0.000 description 1
VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
229910052935 jarosite Inorganic materials 0.000 description 1
238000009533 lab test Methods 0.000 description 1
150000002680 magnesium Chemical class 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
229910021645 metal ion Inorganic materials 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
238000010926 purge Methods 0.000 description 1
239000002994 raw material Substances 0.000 description 1
239000012429 reaction media Substances 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
230000003381 solubilizing effect Effects 0.000 description 1
238000003860 storage Methods 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
230000029305 taxis Effects 0.000 description 1
238000005406 washing Methods 0.000 description 1
230000003245 working effect Effects 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/0481—Other specific industrial waste materials not provided for elsewhere in C04B18/00
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/24—Cements from oil shales, residues or waste other than slag
- 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/26—Refining solutions containing zinc values, e.g. obtained by leaching zinc ores
- 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
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- C22B3/46—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes by substitution, e.g. by cementation
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- 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
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Environmental & Geological Engineering (AREA)
Ceramic Engineering (AREA)
Materials Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Manufacturing & Machinery (AREA)
Chemical Kinetics & Catalysis (AREA)
Geology (AREA)
Structural Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
Water Supply & Treatment (AREA)
General Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Civil Engineering (AREA)
General Chemical & Material Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Manufacture And Refinement Of Metals (AREA)
Removal Of Specific Substances (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Electrolytic Production Of Metals (AREA)

CA302,859A 1977-05-09 1978-05-08 Process of hydrometallurgical treatment for eliminating impurities from a solution containing dissolved metals Expired CA1115024A (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
LU77.307		1977-05-09
LU77307A LU77307A1 (pl)	1977-05-09	1977-05-09
BE187262A BE866554A (fr)	1977-05-09	1978-04-28	Procede de traitement hydrometallurgique pour l'elimination d'impuretes d'une solution contenant des metaux dissous
BE0/187.262		1978-04-28

Publications (1)

Publication Number	Publication Date
CA1115024A true CA1115024A (en)	1981-12-29

Family

ID=25650735

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA302,859A Expired CA1115024A (en)	1977-05-09	1978-05-08	Process of hydrometallurgical treatment for eliminating impurities from a solution containing dissolved metals

Country Status (17)

Country	Link
JP (1)	JPS5413416A (pl)
AR (1)	AR219748A1 (pl)
AU (1)	AU3591278A (pl)
BE (1)	BE866554A (pl)
BR (1)	BR7802920A (pl)
CA (1)	CA1115024A (pl)
DE (1)	DE2820059A1 (pl)
ES (1)	ES469620A1 (pl)
FI (1)	FI781443A7 (pl)
FR (1)	FR2390504A1 (pl)
GB (1)	GB1597784A (pl)
IE (1)	IE46818B1 (pl)
IT (1)	IT7823057A0 (pl)
NL (1)	NL7804962A (pl)
NO (1)	NO781608L (pl)
PL (1)	PL206693A1 (pl)
PT (1)	PT68014B (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ZA807812B (en) *	1979-12-21	1981-12-30	Stablex Ag	Treatment of hazardous waste
NL8402035A (nl) *	1984-06-27	1986-01-16	Rijksuniversiteit Utrecht P A	Neutralisatie van afvalzwavelzuur met behulp van olivijn.
WO2014176188A1 (en) *	2013-04-23	2014-10-30	E. I. Du Pont De Nemours And Company	Process for treating and recycling hydraulic fracturing fluid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR464038A (fr) *	1913-09-02	1914-03-11	Shunjiro Araki	Procédé de préparation d'une solution de sulfate de zinc pur à l'aide de minerais de zinc
GB274297A (en) *	1926-08-23	1927-07-21	Royale Hillman Stevens	Improvements in the removal of silica from zinc, copper and vanadium solutions

1978
- 1978-04-28 BE BE187262A patent/BE866554A/xx unknown
- 1978-05-05 IE IE909/78A patent/IE46818B1/en unknown
- 1978-05-05 IT IT7823057A patent/IT7823057A0/it unknown
- 1978-05-08 CA CA302,859A patent/CA1115024A/en not_active Expired
- 1978-05-08 FI FI781443A patent/FI781443A7/fi not_active Application Discontinuation
- 1978-05-08 DE DE19782820059 patent/DE2820059A1/de not_active Withdrawn
- 1978-05-08 FR FR7813479A patent/FR2390504A1/fr not_active Withdrawn
- 1978-05-08 PT PT6801478A patent/PT68014B/pt unknown
- 1978-05-08 NO NO781608A patent/NO781608L/no unknown
- 1978-05-09 GB GB18576/78A patent/GB1597784A/en not_active Expired
- 1978-05-09 BR BR7802920A patent/BR7802920A/pt unknown
- 1978-05-09 AR AR27209878A patent/AR219748A1/es active
- 1978-05-09 NL NL7804962A patent/NL7804962A/xx not_active Application Discontinuation
- 1978-05-09 JP JP5490878A patent/JPS5413416A/ja active Pending
- 1978-05-09 ES ES469620A patent/ES469620A1/es not_active Expired
- 1978-05-09 AU AU35912/78A patent/AU3591278A/en active Pending
- 1978-05-10 PL PL20669378A patent/PL206693A1/pl unknown

Also Published As

Publication number	Publication date
GB1597784A (en)	1981-09-09
NO781608L (no)	1978-11-10
BR7802920A (pt)	1979-01-02
PT68014A (fr)	1978-06-01
FR2390504A1 (fr)	1978-12-08
DE2820059A1 (de)	1978-11-23
AR219748A1 (es)	1980-09-15
IE780909L (en)	1978-11-09
AU3591278A (en)	1979-11-15
ES469620A1 (es)	1979-10-01
PT68014B (fr)	1979-10-22
NL7804962A (nl)	1978-11-13
IE46818B1 (en)	1983-10-05
FI781443A7 (fi)	1978-11-10
PL206693A1 (pl)	1979-02-12
BE866554A (fr)	1978-08-14
IT7823057A0 (it)	1978-05-05
JPS5413416A (en)	1979-01-31

Legal Events

Date	Code	Title	Description
1998-12-29	MKEX	Expiry

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