CA3068885C - Process to treat siliceous non-sulfidic ores and collector composition therefor - Google Patents
Process to treat siliceous non-sulfidic ores and collector composition therefor Download PDFInfo
- Publication number
- CA3068885C CA3068885C CA3068885A CA3068885A CA3068885C CA 3068885 C CA3068885 C CA 3068885C CA 3068885 A CA3068885 A CA 3068885A CA 3068885 A CA3068885 A CA 3068885A CA 3068885 C CA3068885 C CA 3068885C
- Authority
- CA
- Canada
- Prior art keywords
- collector
- carbon atoms
- formula
- ores
- phosphate
- 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.)
- Active
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000008569 process Effects 0.000 title claims abstract description 48
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 36
- 239000010452 phosphate Substances 0.000 claims abstract description 29
- -1 phosphate compound Chemical class 0.000 claims abstract description 27
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 25
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 7
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 6
- 229930195734 saturated hydrocarbon Natural products 0.000 claims abstract description 6
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 4
- 150000003863 ammonium salts Chemical class 0.000 claims abstract description 4
- 238000005188 flotation Methods 0.000 claims description 33
- 235000021317 phosphate Nutrition 0.000 claims description 33
- 150000004712 monophosphates Chemical class 0.000 claims description 19
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 12
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 12
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 10
- 239000000194 fatty acid Substances 0.000 claims description 10
- 229930195729 fatty acid Natural products 0.000 claims description 10
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 9
- 125000000129 anionic group Chemical group 0.000 claims description 9
- 150000004665 fatty acids Chemical class 0.000 claims description 8
- 229910052586 apatite Inorganic materials 0.000 claims description 7
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 4
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 claims description 2
- 150000008052 alkyl sulfonates Chemical class 0.000 claims description 2
- 150000002430 hydrocarbons Chemical group 0.000 claims 4
- 101000804902 Drosophila melanogaster Xaa-Pro aminopeptidase ApepP Proteins 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 abstract description 5
- 239000012141 concentrate Substances 0.000 description 16
- 229910052500 inorganic mineral Inorganic materials 0.000 description 11
- 239000011707 mineral Substances 0.000 description 11
- 238000011084 recovery Methods 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- DLYUQMMRRRQYAE-UHFFFAOYSA-N phosphorus pentoxide Inorganic materials O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 9
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 8
- 235000011180 diphosphates Nutrition 0.000 description 8
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 7
- 239000002245 particle Substances 0.000 description 6
- 229940048084 pyrophosphate Drugs 0.000 description 6
- 239000002699 waste material Substances 0.000 description 6
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229940055577 oleyl alcohol Drugs 0.000 description 4
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- XUJLWPFSUCHPQL-UHFFFAOYSA-N 11-methyldodecan-1-ol Chemical compound CC(C)CCCCCCCCCCO XUJLWPFSUCHPQL-UHFFFAOYSA-N 0.000 description 2
- MTJGVAJYTOXFJH-UHFFFAOYSA-N 3-aminonaphthalene-1,5-disulfonic acid Chemical compound C1=CC=C(S(O)(=O)=O)C2=CC(N)=CC(S(O)(=O)=O)=C21 MTJGVAJYTOXFJH-UHFFFAOYSA-N 0.000 description 2
- 238000004679 31P NMR spectroscopy Methods 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000009291 froth flotation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229930182470 glycoside Natural products 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- TVZISJTYELEYPI-UHFFFAOYSA-N hypodiphosphoric acid Chemical class OP(O)(=O)P(O)(O)=O TVZISJTYELEYPI-UHFFFAOYSA-N 0.000 description 2
- 229910052816 inorganic phosphate Inorganic materials 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 125000001117 oleyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])/C([H])=C([H])\C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229910052585 phosphate mineral Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- DAFHKNAQFPVRKR-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylpropanoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)C DAFHKNAQFPVRKR-UHFFFAOYSA-N 0.000 description 1
- ASBWGYODEQCTNZ-UHFFFAOYSA-N 11-methyldodecyl dihydrogen phosphate Chemical compound CC(C)CCCCCCCCCCOP(O)(O)=O ASBWGYODEQCTNZ-UHFFFAOYSA-N 0.000 description 1
- WVYWICLMDOOCFB-UHFFFAOYSA-N 4-methyl-2-pentanol Chemical compound CC(C)CC(C)O WVYWICLMDOOCFB-UHFFFAOYSA-N 0.000 description 1
- MYTGUZHAOISTJL-UHFFFAOYSA-N CC(C)CCCCCCCCCCOP(O)(OP(O)(O)=O)=O Chemical compound CC(C)CCCCCCCCCCOP(O)(OP(O)(O)=O)=O MYTGUZHAOISTJL-UHFFFAOYSA-N 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 235000017343 Quebracho blanco Nutrition 0.000 description 1
- 241000065615 Schinopsis balansae Species 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- INJRKJPEYSAMPD-UHFFFAOYSA-N aluminum;silicic acid;hydrate Chemical compound O.[Al].[Al].O[Si](O)(O)O INJRKJPEYSAMPD-UHFFFAOYSA-N 0.000 description 1
- 229910052849 andalusite Inorganic materials 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- IKNAJTLCCWPIQD-UHFFFAOYSA-K cerium(3+);lanthanum(3+);neodymium(3+);oxygen(2-);phosphate Chemical compound [O-2].[La+3].[Ce+3].[Nd+3].[O-]P([O-])([O-])=O IKNAJTLCCWPIQD-UHFFFAOYSA-K 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- IUMKBGOLDBCDFK-UHFFFAOYSA-N dialuminum;dicalcium;iron(2+);trisilicate;hydrate Chemical compound O.[Al+3].[Al+3].[Ca+2].[Ca+2].[Fe+2].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] IUMKBGOLDBCDFK-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052869 epidote Inorganic materials 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000002223 garnet Substances 0.000 description 1
- 150000002338 glycosides Chemical class 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 229940005740 hexametaphosphate Drugs 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000010443 kyanite Substances 0.000 description 1
- 229910052850 kyanite Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052590 monazite Inorganic materials 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052854 staurolite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910052613 tourmaline Inorganic materials 0.000 description 1
- 239000011032 tourmaline Substances 0.000 description 1
- 229940070527 tourmaline Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/001—Flotation agents
- B03D1/004—Organic compounds
- B03D1/014—Organic compounds containing phosphorus
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2201/00—Specified effects produced by the flotation agents
- B03D2201/02—Collectors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D2203/00—Specified materials treated by the flotation agents; Specified applications
- B03D2203/02—Ores
- B03D2203/04—Non-sulfide ores
- B03D2203/06—Phosphate ores
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP17179626.1 | 2017-07-04 | ||
| EP17179626 | 2017-07-04 | ||
| PCT/EP2018/066793 WO2019007714A1 (en) | 2017-07-04 | 2018-06-22 | PROCESS FOR TREATING NON-SULFURIZED SILICEOUS ORES AND ASSOCIATED COLLECTOR COMPOSITION |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA3068885A1 CA3068885A1 (en) | 2019-01-10 |
| CA3068885C true CA3068885C (en) | 2024-03-19 |
Family
ID=59285099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3068885A Active CA3068885C (en) | 2017-07-04 | 2018-06-22 | Process to treat siliceous non-sulfidic ores and collector composition therefor |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3648891B1 (de) |
| BR (1) | BR112019027877B1 (de) |
| CA (1) | CA3068885C (de) |
| RU (1) | RU2741494C1 (de) |
| WO (1) | WO2019007714A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EA202192131A1 (ru) | 2019-02-01 | 2021-11-16 | Басф Се | Смесь жирных кислот и алкилэфирфосфатов в качестве собирателя для флотации фосфатных руд |
| EP4364852A1 (de) | 2022-11-04 | 2024-05-08 | Nouryon Chemicals International B.V. | Sammlerzusammensetzung und flotationsverfahren |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2424552A (en) | 1945-05-01 | 1947-07-29 | Clemmer Julius Bruce | Froth flotation of nonmetallic minerals |
| GB1093504A (en) | 1965-03-28 | 1967-12-06 | Chem & Phosphates Ltd | Flotation of siliceous ores |
| US4287053A (en) | 1980-05-05 | 1981-09-01 | Tennessee Valley Authority | Beneficiation of high carbonate phosphate ores |
| DE4010279A1 (de) * | 1990-03-30 | 1991-10-02 | Henkel Kgaa | Verfahren zur gewinnung von mineralien aus nichtsulfidischen erzen durch flotation |
| DE4016792A1 (de) * | 1990-05-25 | 1991-11-28 | Henkel Kgaa | Verfahren zur gewinnung von mineralien aus nichtsulfidischen erzen durch flotation |
| DE4133063A1 (de) * | 1991-10-04 | 1993-04-08 | Henkel Kgaa | Verfahren zur herstellung von eisenerzkonzentraten durch flotation |
| DE4138911A1 (de) | 1991-11-27 | 1993-06-03 | Henkel Kgaa | Verfahren zur gewinnung von mineralien aus nichtsulfidischen erzen durch flotation |
| RU2078619C1 (ru) * | 1994-12-16 | 1997-05-10 | Акционерное общество "Химпром" | Реагент-собиратель для флотации несульфидных руд |
| RU2259237C1 (ru) * | 2004-03-15 | 2005-08-27 | ФГУП "Всероссийский научно-исследовательский институт химической технологии" | Способ получения фосфорсодержащих собирателей для флотации руд |
| RU2283187C1 (ru) * | 2005-03-03 | 2006-09-10 | Сергей Анатольевич Щелкунов | Композиция для флотации фосфорсодержащих руд |
| EA033476B1 (ru) | 2013-07-05 | 2019-10-31 | Akzo Nobel Chemicals Int Bv | Синтез анионогенных поверхностно-активных веществ и их применение в качестве собирателей при пенной флотации несульфидных руд |
-
2018
- 2018-06-22 CA CA3068885A patent/CA3068885C/en active Active
- 2018-06-22 RU RU2020104700A patent/RU2741494C1/ru active
- 2018-06-22 WO PCT/EP2018/066793 patent/WO2019007714A1/en active Search and Examination
- 2018-06-22 EP EP18732097.3A patent/EP3648891B1/de active Active
- 2018-06-22 BR BR112019027877-0A patent/BR112019027877B1/pt active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| EP3648891A1 (de) | 2020-05-13 |
| BR112019027877B1 (pt) | 2023-03-21 |
| BR112019027877A2 (pt) | 2020-07-07 |
| RU2741494C1 (ru) | 2021-01-26 |
| CA3068885A1 (en) | 2019-01-10 |
| WO2019007714A1 (en) | 2019-01-10 |
| EP3648891B1 (de) | 2021-09-01 |
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Legal Events
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|---|---|---|---|
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