NO129913B - - Google Patents

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Info

Publication number: NO129913B
Authority: NO; Norway
Prior art keywords: copper; nickel; solution; iron; leaching
Prior art date: 1968-08-03

Application number

NO03069/69A

Other languages

English (en)

Norwegian (no)

Inventor

Neill C O

A Illis

D Huggins

Original Assignee

Int Nickel Co

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.)

1968-08-03

Filing date

1969-07-24

Publication date

1974-06-10

1969-07-24 Application filed by Int Nickel Co filed Critical Int Nickel Co

1974-06-10 Publication of NO129913B publication Critical patent/NO129913B/no

Links

PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 151
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 127
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 96
229910052802 copper Inorganic materials 0.000 claims description 93
239000010949 copper Substances 0.000 claims description 93
229910052759 nickel Inorganic materials 0.000 claims description 78
238000002386 leaching Methods 0.000 claims description 65
229910052742 iron Inorganic materials 0.000 claims description 64
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 56
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 52
238000000034 method Methods 0.000 claims description 40
ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 34
229910052717 sulfur Inorganic materials 0.000 claims description 29
239000011593 sulfur Substances 0.000 claims description 29
239000000463 material Substances 0.000 claims description 27
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
239000007858 starting material Substances 0.000 claims description 19
239000005864 Sulphur Substances 0.000 claims description 18
239000002002 slurry Substances 0.000 claims description 16
229910052751 metal Inorganic materials 0.000 claims description 14
239000002184 metal Substances 0.000 claims description 14
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
229910052760 oxygen Inorganic materials 0.000 claims description 12
239000001301 oxygen Substances 0.000 claims description 12
BWFPGXWASODCHM-UHFFFAOYSA-N copper monosulfide Chemical compound [Cu]=S BWFPGXWASODCHM-UHFFFAOYSA-N 0.000 claims description 11
230000006315 carbonylation Effects 0.000 claims description 9
238000005810 carbonylation reaction Methods 0.000 claims description 9
229910000365 copper sulfate Inorganic materials 0.000 claims description 9
BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 8
238000005649 metathesis reaction Methods 0.000 claims description 8
239000011790 ferrous sulphate Substances 0.000 claims description 7
229910000510 noble metal Inorganic materials 0.000 claims description 7
239000005569 Iron sulphate Substances 0.000 claims description 5
229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 5
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
229910052976 metal sulfide Inorganic materials 0.000 claims description 4
150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
BQJTUDIVKSVBDU-UHFFFAOYSA-L copper;sulfuric acid;sulfate Chemical compound [Cu+2].OS(O)(=O)=O.[O-]S([O-])(=O)=O BQJTUDIVKSVBDU-UHFFFAOYSA-L 0.000 claims description 2
PIGJJOFBKFPZQG-UHFFFAOYSA-L hydrogen sulfate;iron(2+) Chemical compound [Fe+2].OS([O-])(=O)=O.OS([O-])(=O)=O PIGJJOFBKFPZQG-UHFFFAOYSA-L 0.000 claims description 2
VRRFSFYSLSPWQY-UHFFFAOYSA-N sulfanylidenecobalt Chemical class [Co]=S VRRFSFYSLSPWQY-UHFFFAOYSA-N 0.000 claims description 2
239000000243 solution Substances 0.000 description 55
230000001590 oxidative effect Effects 0.000 description 22
230000002378 acidificating effect Effects 0.000 description 18
239000007864 aqueous solution Substances 0.000 description 18
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 11
239000007787 solid Substances 0.000 description 10
238000000605 extraction Methods 0.000 description 9
239000000047 product Substances 0.000 description 9
230000001105 regulatory effect Effects 0.000 description 9
LGQLOGILCSXPEA-UHFFFAOYSA-L nickel sulfate Chemical compound [Ni+2].[O-]S([O-])(=O)=O LGQLOGILCSXPEA-UHFFFAOYSA-L 0.000 description 7
239000010970 precious metal Substances 0.000 description 7
HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 7
238000001556 precipitation Methods 0.000 description 6
238000000926 separation method Methods 0.000 description 6
239000012141 concentrate Substances 0.000 description 5
239000003792 electrolyte Substances 0.000 description 5
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 4
YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 description 4
238000005868 electrolysis reaction Methods 0.000 description 4
235000003891 ferrous sulphate Nutrition 0.000 description 4
150000002739 metals Chemical class 0.000 description 4
238000011084 recovery Methods 0.000 description 4
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
238000009826 distribution Methods 0.000 description 3
229910052739 hydrogen Inorganic materials 0.000 description 3
239000001257 hydrogen Substances 0.000 description 3
238000005342 ion exchange Methods 0.000 description 3
239000007788 liquid Substances 0.000 description 3
229910000363 nickel(II) sulfate Inorganic materials 0.000 description 3
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
239000002585 base Substances 0.000 description 2
230000008901 benefit Effects 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
238000001816 cooling Methods 0.000 description 2
238000004090 dissolution Methods 0.000 description 2
238000001914 filtration Methods 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
239000000543 intermediate Substances 0.000 description 2
239000013067 intermediate product Substances 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
-1 platinum group metals Chemical class 0.000 description 2
238000010791 quenching Methods 0.000 description 2
230000000171 quenching effect Effects 0.000 description 2
239000010802 sludge Substances 0.000 description 2
238000007711 solidification Methods 0.000 description 2
230000008023 solidification Effects 0.000 description 2
229910001220 stainless steel Inorganic materials 0.000 description 2
239000010935 stainless steel Substances 0.000 description 2
239000000126 substance Substances 0.000 description 2
WWNBZGLDODTKEM-UHFFFAOYSA-N sulfanylidenenickel Chemical compound [Ni]=S WWNBZGLDODTKEM-UHFFFAOYSA-N 0.000 description 2
150000004763 sulfides Chemical class 0.000 description 2
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
238000003723 Smelting Methods 0.000 description 1
239000003929 acidic solution Substances 0.000 description 1
239000003513 alkali Substances 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
239000000920 calcium hydroxide Substances 0.000 description 1
229910001861 calcium hydroxide Inorganic materials 0.000 description 1
125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
239000004568 cement Substances 0.000 description 1
ASKVAEGIVYSGNY-UHFFFAOYSA-L cobalt(ii) hydroxide Chemical compound [OH-].[OH-].[Co+2] ASKVAEGIVYSGNY-UHFFFAOYSA-L 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
PYRZPBDTPRQYKG-UHFFFAOYSA-N cyclopentene-1-carboxylic acid Chemical compound OC(=O)C1=CCCC1 PYRZPBDTPRQYKG-UHFFFAOYSA-N 0.000 description 1
238000002848 electrochemical method Methods 0.000 description 1
239000000706 filtrate Substances 0.000 description 1
238000005188 flotation Methods 0.000 description 1
PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
229910052737 gold Inorganic materials 0.000 description 1
239000010931 gold Substances 0.000 description 1
238000005469 granulation Methods 0.000 description 1
230000003179 granulation Effects 0.000 description 1
229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
239000000203 mixture Substances 0.000 description 1
229910000480 nickel oxide Inorganic materials 0.000 description 1
229910000008 nickel(II) carbonate Inorganic materials 0.000 description 1
ZULUUIKRFGGGTL-UHFFFAOYSA-L nickel(ii) carbonate Chemical compound [Ni+2].[O-]C([O-])=O ZULUUIKRFGGGTL-UHFFFAOYSA-L 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
238000004064 recycling Methods 0.000 description 1
239000012047 saturated solution Substances 0.000 description 1
229910052709 silver Inorganic materials 0.000 description 1
239000004332 silver Substances 0.000 description 1
239000002893 slag Substances 0.000 description 1
238000010583 slow cooling Methods 0.000 description 1
229910000029 sodium carbonate Inorganic materials 0.000 description 1
239000011343 solid material Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
238000003911 water pollution Methods 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
- C22B3/06—Extraction of metal compounds from ores or concentrates by wet processes by leaching in inorganic acid solutions, e.g. with acids generated in situ; in inorganic salt solutions other than ammonium salt solutions
- C22B3/08—Sulfuric acid, other sulfurated acids or salts thereof
- 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
- C22B15/00—Obtaining copper
- C22B15/0002—Preliminary treatment
- C22B15/0004—Preliminary treatment without modification of the copper constituent
- C22B15/0006—Preliminary treatment without modification of the copper constituent by dry processes
- 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
- C22B15/00—Obtaining copper
- C22B15/0002—Preliminary treatment
- C22B15/0004—Preliminary treatment without modification of the copper constituent
- C22B15/0008—Preliminary treatment without modification of the copper constituent by wet processes
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0065—Leaching or slurrying
- C22B15/0067—Leaching or slurrying with acids or salts thereof
- C22B15/0071—Leaching or slurrying with acids or salts thereof containing sulfur
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
- C22B15/0091—Treating solutions by chemical methods by cementation
- 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
- C22B15/00—Obtaining copper
- C22B15/0063—Hydrometallurgy
- C22B15/0084—Treating solutions
- C22B15/0089—Treating solutions by chemical methods
- C22B15/0093—Treating solutions by chemical methods by gases, e.g. hydrogen or hydrogen sulfide
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/04—Obtaining nickel or cobalt by wet processes
- C22B23/0407—Leaching processes
- C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
- C22B23/043—Sulfurated acids or salts thereof
- 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
- C22B23/00—Obtaining nickel or cobalt
- C22B23/06—Refining
- C22B23/065—Refining carbonyl methods
- 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)
Engineering & Computer Science (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Mechanical Engineering (AREA)
Metallurgy (AREA)
General Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Environmental & Geological Engineering (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Manufacture And Refinement Of Metals (AREA)

NO03069/69A 1968-08-03 1969-07-24 NO129913B (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA26644		1968-08-03

Publications (1)

Publication Number	Publication Date
NO129913B true NO129913B (es)	1974-06-10

Family

ID=4084423

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO03069/69A NO129913B (es)	1968-08-03	1969-07-24

Country Status (13)

Country	Link
US (1)	US3616331A (es)
JP (1)	JPS5020541B1 (es)
BE (1)	BE736998A (es)
BR (1)	BR6911223D0 (es)
DE (1)	DE1939342C3 (es)
DO (1)	DOP1969001628A (es)
FI (1)	FI50716C (es)
FR (1)	FR2015023A1 (es)
GB (1)	GB1283588A (es)
NL (1)	NL6911733A (es)
NO (1)	NO129913B (es)
SE (1)	SE370250B (es)
ZM (1)	ZM12269A1 (es)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3741752A (en) *	1971-01-22	1973-06-26	Sherritt Gordon Mines Ltd	Acid leaching process for treating high grade nickel-copper mattes
US3673061A (en) *	1971-02-08	1972-06-27	Cyprus Metallurg Process	Process for the recovery of metals from sulfide ores through electrolytic dissociation of the sulfides
US3962051A (en) *	1974-12-26	1976-06-08	Amax Inc.	Atmospheric leaching of matte containing iron
US3954448A (en) *	1975-01-28	1976-05-04	Sumitomo Metal Mining Co. Limited	Process for recovering cobalt, copper, iron, nickel and arsenic
CA1046289A (en) *	1975-05-21	1979-01-16	Sjaak J. Van Der Meulen	Hydrometallurgical treatment of nickel and copper bearing intermediates
CA1106617A (en) *	1978-10-30	1981-08-11	Grigori S. Victorovich	Autoclave oxidation leaching of sulfide materials containing copper, nickel and/or cobalt
CA1147970A (en) *	1980-12-23	1983-06-14	Victor A. Ettel	Process for cobalt recovery from mixed sulfides
FR2597465B1 (fr) *	1986-04-17	1988-07-29	Elf Aquitaine	Procede pour l'extraction du soufre de minerais pyritiques
AUPN564695A0 (en) *	1995-09-27	1995-10-19	Tioxide Australia Pty. Ltd.	Process and apparatus for extracting metal
GB9606570D0 (en) *	1996-03-28	1996-06-05	Tioxide Group Services Ltd	Metal extraction process
US5993514A (en) *	1997-10-24	1999-11-30	Dynatec Corporation	Process for upgrading copper sulphide residues containing nickel and iron
WO2003014421A1 (en) *	2001-08-01	2003-02-20	Nikko Materials Company, Limited	Method for producing high purity nickel, high purity nickel, sputtering target comprising the high purity nickel, and thin film formed by using said spattering target
US20050193863A1 (en) *	2004-03-05	2005-09-08	Muinonen Mika E.S.	Selective reduction of cupriferous calcine
JP5423046B2 (ja) *	2009-02-26	2014-02-19	住友金属鉱山株式会社	硫化銅鉱物を含む銅原料の浸出方法
US20120027652A1 (en) *	2010-04-01	2012-02-02	Polymet Mining Corp.	Metathetic copper concentrate enrichment
CN103668323B (zh) *	2013-12-12	2016-06-08	昆明理工大学	一种电解-分段电积法处理含铜镍物料的方法
US10023935B2 (en)	2014-09-12	2018-07-17	Flsmidth A/S	System and method for enhanced metal recovery during atmospheric leaching of metal sulfides
MX2017006332A (es) *	2014-11-20	2017-08-21	Smidth As F L	Sistema de activacion y metodo para mejorar la recuperacion de metales durante la lixiviacion atmosferica de sulfuros metalicos.
US11898221B2 (en)	2017-05-17	2024-02-13	Flsmidth A/S	Activation system and method for enhancing metal recovery during atmospheric leaching of metal sulfides

1969
- 1969-06-23 US US3616331D patent/US3616331A/en not_active Expired - Lifetime
- 1969-07-24 NO NO03069/69A patent/NO129913B/no unknown
- 1969-07-25 ZM ZM12269A patent/ZM12269A1/xx unknown
- 1969-07-30 SE SE1068369A patent/SE370250B/xx unknown
- 1969-07-31 FI FI227469A patent/FI50716C/fi active
- 1969-07-31 NL NL6911733A patent/NL6911733A/xx unknown
- 1969-08-01 DE DE1939342A patent/DE1939342C3/de not_active Expired
- 1969-08-01 DO DO1969001628A patent/DOP1969001628A/es unknown
- 1969-08-01 BR BR21122369A patent/BR6911223D0/pt unknown
- 1969-08-01 FR FR6926633A patent/FR2015023A1/fr not_active Withdrawn
- 1969-08-01 BE BE736998D patent/BE736998A/xx unknown
- 1969-08-04 JP JP6162769A patent/JPS5020541B1/ja active Pending
- 1969-08-04 GB GB3899369A patent/GB1283588A/en not_active Expired

Also Published As

Publication number	Publication date
DE1939342C3 (de)	1974-01-17
US3616331A (en)	1971-10-26
FI50716B (es)	1976-03-01
SE370250B (es)	1974-10-07
NL6911733A (es)	1970-02-05
DE1939342B2 (de)	1973-06-20
ZM12269A1 (en)	1969-12-17
BR6911223D0 (pt)	1973-03-08
BE736998A (es)	1970-02-02
DE1939342A1 (de)	1972-02-24
GB1283588A (en)	1972-07-26
FR2015023A1 (es)	1970-04-24
DOP1969001628A (es)	1974-06-24
FI50716C (fi)	1976-06-10
JPS5020541B1 (es)	1975-07-16

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