NO841402L - Fremgangsmaate for fremstilling av zeolitt a - Google Patents
Fremgangsmaate for fremstilling av zeolitt aInfo
- Publication number
- NO841402L NO841402L NO841402A NO841402A NO841402L NO 841402 L NO841402 L NO 841402L NO 841402 A NO841402 A NO 841402A NO 841402 A NO841402 A NO 841402A NO 841402 L NO841402 L NO 841402L
- Authority
- NO
- Norway
- Prior art keywords
- stated
- gypsum
- silica
- alumina
- gel
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 44
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 99
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 93
- 239000000499 gel Substances 0.000 claims description 69
- 239000010440 gypsum Substances 0.000 claims description 59
- 229910052602 gypsum Inorganic materials 0.000 claims description 59
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 46
- 239000000203 mixture Substances 0.000 claims description 45
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 44
- 238000001556 precipitation Methods 0.000 claims description 41
- 229910052782 aluminium Inorganic materials 0.000 claims description 39
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 37
- 229910021536 Zeolite Inorganic materials 0.000 claims description 36
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 36
- 239000000377 silicon dioxide Substances 0.000 claims description 36
- 239000010457 zeolite Substances 0.000 claims description 36
- 239000002893 slag Substances 0.000 claims description 34
- 235000011121 sodium hydroxide Nutrition 0.000 claims description 31
- 239000002699 waste material Substances 0.000 claims description 31
- 239000007787 solid Substances 0.000 claims description 29
- 239000000741 silica gel Substances 0.000 claims description 28
- 229910002027 silica gel Inorganic materials 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 26
- 239000012452 mother liquor Substances 0.000 claims description 25
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 23
- 230000015572 biosynthetic process Effects 0.000 claims description 21
- 238000000926 separation method Methods 0.000 claims description 20
- 238000004090 dissolution Methods 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 18
- 238000005188 flotation Methods 0.000 claims description 17
- 239000004411 aluminium Substances 0.000 claims description 14
- 238000003786 synthesis reaction Methods 0.000 claims description 14
- 150000001412 amines Chemical class 0.000 claims description 13
- 238000007792 addition Methods 0.000 claims description 11
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 229910001388 sodium aluminate Inorganic materials 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 239000003760 tallow Substances 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 6
- 239000003153 chemical reaction reagent Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 150000004645 aluminates Chemical class 0.000 claims description 4
- 238000002048 anodisation reaction Methods 0.000 claims description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 claims description 2
- 235000013162 Cocos nucifera Nutrition 0.000 claims 2
- 244000060011 Cocos nucifera Species 0.000 claims 2
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims 2
- 239000006260 foam Substances 0.000 claims 2
- 239000012736 aqueous medium Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 24
- 239000000376 reactant Substances 0.000 description 23
- 229910001868 water Inorganic materials 0.000 description 22
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 20
- 235000012239 silicon dioxide Nutrition 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 12
- 238000006386 neutralization reaction Methods 0.000 description 12
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 10
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- 239000011541 reaction mixture Substances 0.000 description 10
- 238000002425 crystallisation Methods 0.000 description 9
- 230000008025 crystallization Effects 0.000 description 9
- 238000005406 washing Methods 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000003750 conditioning effect Effects 0.000 description 6
- 239000011505 plaster Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 230000009467 reduction Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000002609 medium Substances 0.000 description 5
- 239000004408 titanium dioxide Substances 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000001376 precipitating effect Effects 0.000 description 4
- 239000007790 solid phase Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 3
- 229910021641 deionized water Inorganic materials 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000004088 foaming agent Substances 0.000 description 3
- 238000000265 homogenisation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000010665 pine oil Substances 0.000 description 3
- 239000012429 reaction media Substances 0.000 description 3
- 238000003828 vacuum filtration Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000012738 dissolution medium Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000003352 sequestering agent Substances 0.000 description 2
- 125000005624 silicic acid group Chemical group 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000001308 synthesis method Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001398 aluminium Chemical class 0.000 description 1
- PPQREHKVAOVYBT-UHFFFAOYSA-H aluminium carbonate Inorganic materials [Al+3].[Al+3].[O-]C([O-])=O.[O-]C([O-])=O.[O-]C([O-])=O PPQREHKVAOVYBT-UHFFFAOYSA-H 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 229940118662 aluminum carbonate Drugs 0.000 description 1
- 238000007743 anodising Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- LMXOWXVJZDTLAD-UHFFFAOYSA-N dodecan-1-amine Chemical compound CCCCCCCCCCCCN.CCCCCCCCCCCCN LMXOWXVJZDTLAD-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical group [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 235000019830 sodium polyphosphate Nutrition 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 239000011573 trace mineral Substances 0.000 description 1
- 235000013619 trace mineral Nutrition 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/20—Silicates
- C01B33/26—Aluminium-containing silicates, i.e. silico-aluminates
- C01B33/28—Base exchange silicates, e.g. zeolites
- C01B33/2807—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures
- C01B33/2815—Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures of type A (UNION CARBIDE trade name; corresponds to GRACE's types Z-12 or Z-12L)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU84743A LU84743A1 (fr) | 1983-04-11 | 1983-04-11 | Procede de fabrication de zeolite a et produits obtenus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO841402L true NO841402L (no) | 1984-10-12 |
Family
ID=19730074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO841402A NO841402L (no) | 1983-04-11 | 1984-04-09 | Fremgangsmaate for fremstilling av zeolitt a |
Country Status (15)
| Country | Link |
|---|---|
| JP (1) | JPS60108357A (es) |
| KR (1) | KR840008641A (es) |
| AU (1) | AU578243B2 (es) |
| BE (1) | BE899312A (es) |
| CA (1) | CA1224201A (es) |
| DE (1) | DE3413317A1 (es) |
| ES (1) | ES8506543A1 (es) |
| FI (1) | FI841370A (es) |
| FR (1) | FR2543939B1 (es) |
| GB (1) | GB2138792B (es) |
| IT (1) | IT1176004B (es) |
| LU (1) | LU84743A1 (es) |
| NL (1) | NL8401114A (es) |
| NO (1) | NO841402L (es) |
| ZA (1) | ZA842508B (es) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1240782B (it) * | 1990-02-27 | 1993-12-17 | Ilva Spa | Procedimento perfezionato per la produzione di zeoliti. |
| ES2068743B1 (es) * | 1993-02-11 | 1995-11-16 | Invest De Las Ind Ceramicas A | Procedimiento de obtencion de zeolita a. |
| ES2161109B1 (es) * | 1998-05-29 | 2002-06-16 | Consejo Superior Investigacion | Procedimiento optimizado para la obtencion de zeolitas a partir de lejias residuales de la industria de anodizacion y extrusion, utilizables en la formulacion de detergentes. |
| FR2804103B1 (fr) * | 2000-01-26 | 2002-03-01 | Commissariat Energie Atomique | Procede de conditionnement d'effluents de soude sous forme nepheline |
| KR100415941B1 (ko) * | 2001-06-12 | 2004-01-24 | 코스모산업 주식회사 | 보오크사이트를 이용한 제올라이트 4에이의 제조방법 |
| KR100491091B1 (ko) * | 2002-09-30 | 2005-05-24 | 코스모정밀화학 주식회사 | 제올라이트의 제조방법 |
| WO2005095674A1 (en) * | 2004-03-31 | 2005-10-13 | G.R. Trattamenti Termici - Grtt S.R.L. | Process for recovering caustic soda solutions from pickling of aluminum extrusion matrix |
| US9707255B2 (en) * | 2012-07-11 | 2017-07-18 | ZS Pharma, Inc. | Microporous zirconium silicate for the treatment of hyperkalemia in hypercalcemic patients and improved calcium-containing compositions for the treatment of hyperkalemia |
| US10829447B2 (en) | 2017-04-27 | 2020-11-10 | Sumitomo Chemical Company, Limited | Methionine production method and production equipment |
| CN113231007B (zh) * | 2021-06-07 | 2022-07-12 | 北京科技大学 | 一种利用高炉渣制备重金属吸附剂的方法及应用 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5722994B2 (es) * | 1973-08-24 | 1982-05-15 | ||
| JPS5224197A (en) * | 1975-08-20 | 1977-02-23 | Kazuichi Tanimura | Method for caustic treatment of aiuminum sludge |
| JPS6050725B2 (ja) * | 1978-12-27 | 1985-11-09 | 昭和鋼機株式会社 | 高純度アルミノケイ酸塩の製造法 |
| JPS55144412A (en) * | 1979-04-27 | 1980-11-11 | Kazuo Soma | Treatment of aluminum sludge |
-
1983
- 1983-04-11 LU LU84743A patent/LU84743A1/fr unknown
-
1984
- 1984-04-02 BE BE0/212684A patent/BE899312A/fr not_active IP Right Cessation
- 1984-04-03 FR FR8405219A patent/FR2543939B1/fr not_active Expired
- 1984-04-04 ZA ZA842508A patent/ZA842508B/xx unknown
- 1984-04-06 ES ES531359A patent/ES8506543A1/es not_active Expired
- 1984-04-06 GB GB08408918A patent/GB2138792B/en not_active Expired
- 1984-04-06 FI FI841370A patent/FI841370A/fi not_active Application Discontinuation
- 1984-04-09 DE DE19843413317 patent/DE3413317A1/de not_active Withdrawn
- 1984-04-09 NL NL8401114A patent/NL8401114A/nl not_active Application Discontinuation
- 1984-04-09 NO NO841402A patent/NO841402L/no unknown
- 1984-04-10 IT IT20479/84A patent/IT1176004B/it active
- 1984-04-10 KR KR1019840001885A patent/KR840008641A/ko not_active Application Discontinuation
- 1984-04-10 JP JP59072570A patent/JPS60108357A/ja active Pending
- 1984-04-10 AU AU26674/84A patent/AU578243B2/en not_active Expired - Fee Related
- 1984-04-11 CA CA000451780A patent/CA1224201A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR840008641A (ko) | 1984-12-17 |
| FI841370A (fi) | 1984-10-12 |
| GB2138792B (en) | 1987-10-21 |
| BE899312A (fr) | 1984-10-02 |
| FR2543939A1 (fr) | 1984-10-12 |
| FI841370A0 (fi) | 1984-04-06 |
| AU2667484A (en) | 1984-10-18 |
| GB8408918D0 (en) | 1984-05-16 |
| IT1176004B (it) | 1987-08-12 |
| NL8401114A (nl) | 1984-11-01 |
| IT8420479A0 (it) | 1984-04-10 |
| ES531359A0 (es) | 1985-08-01 |
| ZA842508B (en) | 1984-10-31 |
| ES8506543A1 (es) | 1985-08-01 |
| AU578243B2 (en) | 1988-10-20 |
| JPS60108357A (ja) | 1985-06-13 |
| LU84743A1 (fr) | 1984-11-28 |
| GB2138792A (en) | 1984-10-31 |
| DE3413317A1 (de) | 1984-12-06 |
| FR2543939B1 (fr) | 1986-11-28 |
| CA1224201A (en) | 1987-07-14 |
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