CA1157663A - Procede d'attaque oxydante d'un minerai uranifere par une liqueur carbonatee - Google Patents
Procede d'attaque oxydante d'un minerai uranifere par une liqueur carbonateeInfo
- Publication number
- CA1157663A CA1157663A CA000357036A CA357036A CA1157663A CA 1157663 A CA1157663 A CA 1157663A CA 000357036 A CA000357036 A CA 000357036A CA 357036 A CA357036 A CA 357036A CA 1157663 A CA1157663 A CA 1157663A
- Authority
- CA
- Canada
- Prior art keywords
- uranium
- attack
- liquor
- redissolution
- ore
- 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 abstract description 68
- 230000001590 oxidative effect Effects 0.000 title claims abstract description 17
- 239000007788 liquid Substances 0.000 title claims description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 title description 3
- 239000011707 mineral Substances 0.000 title description 3
- 238000005530 etching Methods 0.000 title 1
- 229910052770 Uranium Inorganic materials 0.000 claims abstract description 263
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims abstract description 250
- 238000005406 washing Methods 0.000 claims abstract description 55
- 239000007790 solid phase Substances 0.000 claims abstract description 45
- 239000000725 suspension Substances 0.000 claims abstract description 43
- 238000004064 recycling Methods 0.000 claims abstract description 42
- 239000007791 liquid phase Substances 0.000 claims abstract description 40
- 238000000926 separation method Methods 0.000 claims abstract description 37
- 239000010878 waste rock Substances 0.000 claims abstract description 34
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims abstract description 26
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 21
- 239000003513 alkali Substances 0.000 claims abstract description 6
- 238000010924 continuous production Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
- 239000005416 organic matter Substances 0.000 claims description 36
- 238000005470 impregnation Methods 0.000 claims description 31
- 239000000243 solution Substances 0.000 claims description 31
- 239000011734 sodium Substances 0.000 claims description 30
- 229910052708 sodium Inorganic materials 0.000 claims description 29
- 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 claims description 24
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 22
- 229910052760 oxygen Inorganic materials 0.000 claims description 22
- 239000001301 oxygen Substances 0.000 claims description 22
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 239000007787 solid Substances 0.000 claims description 21
- 239000003153 chemical reaction reagent Substances 0.000 claims description 14
- 239000012429 reaction media Substances 0.000 claims description 14
- 239000012071 phase Substances 0.000 claims description 13
- 239000007800 oxidant agent Substances 0.000 claims description 12
- 230000003647 oxidation Effects 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 230000007928 solubilization Effects 0.000 claims description 8
- 238000005063 solubilization Methods 0.000 claims description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 4
- 239000011591 potassium Substances 0.000 claims description 4
- 229910052700 potassium Inorganic materials 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- 239000012466 permeate Substances 0.000 claims 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 72
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 56
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 45
- 235000020094 liqueur Nutrition 0.000 description 41
- 238000011282 treatment Methods 0.000 description 29
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 28
- 235000017557 sodium bicarbonate Nutrition 0.000 description 28
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 28
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 23
- 239000012535 impurity Substances 0.000 description 17
- 238000001556 precipitation Methods 0.000 description 17
- 239000002244 precipitate Substances 0.000 description 16
- 229910000029 sodium carbonate Inorganic materials 0.000 description 15
- 229910002092 carbon dioxide Inorganic materials 0.000 description 14
- 235000017550 sodium carbonate Nutrition 0.000 description 13
- ZLCCLBKPLLUIJC-UHFFFAOYSA-L disodium tetrasulfane-1,4-diide Chemical compound [Na+].[Na+].[S-]SS[S-] ZLCCLBKPLLUIJC-UHFFFAOYSA-L 0.000 description 12
- 230000008030 elimination Effects 0.000 description 11
- 238000003379 elimination reaction Methods 0.000 description 11
- DSERHVOICOPXEJ-UHFFFAOYSA-L uranyl carbonate Chemical compound [U+2].[O-]C([O-])=O DSERHVOICOPXEJ-UHFFFAOYSA-L 0.000 description 11
- -1 HCO3 ions Chemical class 0.000 description 9
- 238000001816 cooling Methods 0.000 description 9
- 239000002002 slurry Substances 0.000 description 9
- 235000021395 porridge Nutrition 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 150000002500 ions Chemical class 0.000 description 6
- 238000010926 purge Methods 0.000 description 6
- 238000011084 recovery Methods 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 239000012452 mother liquor Substances 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000005342 ion exchange Methods 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 description 3
- 150000001224 Uranium Chemical class 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910052681 coesite Inorganic materials 0.000 description 3
- 229910052906 cristobalite Inorganic materials 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 3
- 229910052682 stishovite Inorganic materials 0.000 description 3
- 229910052905 tridymite Inorganic materials 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 239000007832 Na2SO4 Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- FPIPGXGPPPQFEQ-OVSJKPMPSA-N all-trans-retinol Chemical compound OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-OVSJKPMPSA-N 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 208000021267 infertility disease Diseases 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- WTEVQBCEXWBHNA-YFHOEESVSA-N neral Chemical compound CC(C)=CCC\C(C)=C/C=O WTEVQBCEXWBHNA-YFHOEESVSA-N 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- KGUNSXBRJUFYRR-UHFFFAOYSA-N sodium uranium Chemical compound [Na][U] KGUNSXBRJUFYRR-UHFFFAOYSA-N 0.000 description 2
- 230000003381 solubilizing effect Effects 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- 125000005289 uranyl group Chemical class 0.000 description 2
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 241000208140 Acer Species 0.000 description 1
- UDHXJZHVNHGCEC-UHFFFAOYSA-N Chlorophacinone Chemical compound C1=CC(Cl)=CC=C1C(C=1C=CC=CC=1)C(=O)C1C(=O)C2=CC=CC=C2C1=O UDHXJZHVNHGCEC-UHFFFAOYSA-N 0.000 description 1
- WTEVQBCEXWBHNA-UHFFFAOYSA-N Citral Natural products CC(C)=CCCC(C)=CC=O WTEVQBCEXWBHNA-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- 206010039509 Scab Diseases 0.000 description 1
- 241000219289 Silene Species 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000011717 all-trans-retinol Substances 0.000 description 1
- 235000019169 all-trans-retinol Nutrition 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 235000014633 carbohydrates Nutrition 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- WTEVQBCEXWBHNA-JXMROGBWSA-N citral A Natural products CC(C)=CCC\C(C)=C\C=O WTEVQBCEXWBHNA-JXMROGBWSA-N 0.000 description 1
- 238000010367 cloning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- JGPMMRGNQUBGND-UHFFFAOYSA-N idebenone Chemical compound COC1=C(OC)C(=O)C(CCCCCCCCCCO)=C(C)C1=O JGPMMRGNQUBGND-UHFFFAOYSA-N 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- KTEXACXVPZFITO-UHFFFAOYSA-N molybdenum uranium Chemical compound [Mo].[U] KTEXACXVPZFITO-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 150000003385 sodium Chemical class 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 150000003671 uranium compounds Chemical class 0.000 description 1
- 229910001727 uranium mineral 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
- C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
- C22B60/02—Obtaining thorium, uranium, or other actinides
- C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
- C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
- C22B60/0221—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching
- C22B60/0247—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using basic solutions or liquors
-
- 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)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7919910A FR2462482A1 (fr) | 1979-07-27 | 1979-07-27 | Procede d'attaque oxydante d'un minerai uranifere par une liqueur carbonatee |
| FRPV7919910 | 1979-07-27 | ||
| FRPV8002879 | 1980-02-05 | ||
| FR8002879A FR2475065A2 (fr) | 1979-07-27 | 1980-02-05 | Procede d'attaque oxydante d'un minerai uranifere par une liqueur carbonatee |
| FRPV8007119 | 1980-03-18 | ||
| FR8007119A FR2478674A2 (fr) | 1979-07-27 | 1980-03-18 | Procede d'attaque oxydante d'un minerai uranifere par une liqueur carbonatee |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1157663A true CA1157663A (fr) | 1983-11-29 |
Family
ID=27250943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000357036A Expired CA1157663A (fr) | 1979-07-27 | 1980-07-25 | Procede d'attaque oxydante d'un minerai uranifere par une liqueur carbonatee |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4400359A (enExample) |
| AR (1) | AR230753A1 (enExample) |
| AU (1) | AU533123B2 (enExample) |
| BR (1) | BR8004695A (enExample) |
| CA (1) | CA1157663A (enExample) |
| ES (1) | ES493662A0 (enExample) |
| FR (2) | FR2475065A2 (enExample) |
| IT (1) | IT1132218B (enExample) |
| OA (1) | OA06587A (enExample) |
| SE (2) | SE8005304L (enExample) |
| YU (1) | YU40779B (enExample) |
| ZA (1) | ZA804512B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11346017B1 (en) * | 2019-06-20 | 2022-05-31 | United States Of America As Represented By The Secretary Of The Air Force | Single crystalline NaUO3 and method of making same |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB716597A (en) * | 1952-01-11 | 1954-10-06 | Ca Nat Research Council | Leaching of uranium |
| US3022135A (en) * | 1958-02-26 | 1962-02-20 | Phillips Petroleum Co | Uranium recovery process |
| US3099525A (en) * | 1960-09-26 | 1963-07-30 | Phillips Petroleum Co | Method of carbonate leaching uranium ore |
| FR2063581A5 (enExample) * | 1969-10-22 | 1971-07-09 | Ugine Kuhlmann | |
| US4024216A (en) * | 1975-07-02 | 1977-05-17 | Nalco Chemical Company | Carbonate leach uranium ore processing with sodium polyacrylate flocculant |
| FR2379612A1 (fr) * | 1977-02-08 | 1978-09-01 | Cogema | Procede de traitement chimique de minerais uraniferes contenant des composes du souffre et/ou des matieres organiques, par lixiviation alcaline |
| DE2862174D1 (en) * | 1977-09-30 | 1983-03-17 | Pechiney Aluminium | Process for the treatment of solutions containing carbonate, sulfate, possibly hydroxide of sodium or potassium and at least one of the metals vanadium, uranium, molybdenum |
| OA06179A (fr) * | 1978-02-09 | 1981-06-30 | Pechiney Aluminium | Attaque à haute température de minerais par une liqueur contenant pour l'essentiel un bicarbonate soluble. |
-
1980
- 1980-02-05 FR FR8002879A patent/FR2475065A2/fr active Granted
- 1980-03-18 FR FR8007119A patent/FR2478674A2/fr active Granted
- 1980-07-21 YU YU185380A patent/YU40779B/xx unknown
- 1980-07-21 AR AR28183380A patent/AR230753A1/es active
- 1980-07-22 SE SE8005304D patent/SE8005304L/xx not_active Application Discontinuation
- 1980-07-22 IT IT2360580A patent/IT1132218B/it active
- 1980-07-22 SE SE8005304A patent/SE446748B/sv not_active IP Right Cessation
- 1980-07-23 AU AU60713/80A patent/AU533123B2/en not_active Ceased
- 1980-07-24 ES ES493662A patent/ES493662A0/es active Granted
- 1980-07-24 OA OA57181A patent/OA06587A/xx unknown
- 1980-07-25 CA CA000357036A patent/CA1157663A/fr not_active Expired
- 1980-07-25 ZA ZA00804512A patent/ZA804512B/xx unknown
- 1980-07-25 BR BR8004695A patent/BR8004695A/pt unknown
- 1980-07-25 US US06/172,140 patent/US4400359A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| OA06587A (fr) | 1981-07-31 |
| ZA804512B (en) | 1982-02-24 |
| IT8023605A0 (it) | 1980-07-22 |
| YU40779B (en) | 1986-06-30 |
| SE446748B (sv) | 1986-10-06 |
| US4400359A (en) | 1983-08-23 |
| FR2478674B2 (enExample) | 1983-11-04 |
| BR8004695A (pt) | 1981-02-10 |
| FR2478674A2 (fr) | 1981-09-25 |
| IT1132218B (it) | 1986-06-25 |
| AU533123B2 (en) | 1983-11-03 |
| ES8207589A1 (es) | 1982-09-16 |
| FR2475065A2 (fr) | 1981-08-07 |
| AU6071380A (en) | 1981-01-29 |
| ES493662A0 (es) | 1982-09-16 |
| SE8005304L (sv) | 1981-01-28 |
| YU185380A (en) | 1983-01-21 |
| FR2475065B2 (enExample) | 1983-11-04 |
| AR230753A1 (es) | 1984-06-29 |
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