NO865353L - Rensing av zirkoniumforbindelser. - Google Patents
Rensing av zirkoniumforbindelser.Info
- Publication number
- NO865353L NO865353L NO865353A NO865353A NO865353L NO 865353 L NO865353 L NO 865353L NO 865353 A NO865353 A NO 865353A NO 865353 A NO865353 A NO 865353A NO 865353 L NO865353 L NO 865353L
- Authority
- NO
- Norway
- Prior art keywords
- zirconium
- ammonia
- solution
- aqueous
- sulfate
- Prior art date
Links
- 150000003755 zirconium compounds Chemical class 0.000 title claims description 19
- 238000004140 cleaning Methods 0.000 title 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 110
- 239000000243 solution Substances 0.000 claims description 84
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 83
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims description 69
- 239000000463 material Substances 0.000 claims description 68
- 229910052726 zirconium Inorganic materials 0.000 claims description 67
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 66
- 238000000034 method Methods 0.000 claims description 58
- 229910021529 ammonia Inorganic materials 0.000 claims description 50
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 0.000 claims description 49
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 22
- 238000001354 calcination Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 13
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 12
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 12
- 239000007864 aqueous solution Substances 0.000 claims description 12
- 239000000908 ammonium hydroxide Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims description 7
- 235000011130 ammonium sulphate Nutrition 0.000 claims description 7
- OLULCGRZLCPQGF-UHFFFAOYSA-M S(=O)(=O)([O-])[O-].[Zr+].[NH4+] Chemical compound S(=O)(=O)([O-])[O-].[Zr+].[NH4+] OLULCGRZLCPQGF-UHFFFAOYSA-M 0.000 claims description 6
- 239000001166 ammonium sulphate Substances 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 150000003863 ammonium salts Chemical class 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000002425 crystallisation Methods 0.000 claims description 4
- 230000008025 crystallization Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000002441 X-ray diffraction Methods 0.000 claims description 2
- 239000000047 product Substances 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 13
- 238000003756 stirring Methods 0.000 description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 238000004458 analytical method Methods 0.000 description 11
- 239000002244 precipitate Substances 0.000 description 11
- 239000000843 powder Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 229910052845 zircon Inorganic materials 0.000 description 10
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 10
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052776 Thorium Inorganic materials 0.000 description 8
- 229910052770 Uranium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 8
- 229910052727 yttrium Inorganic materials 0.000 description 8
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 8
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 239000011575 calcium Substances 0.000 description 7
- 229910052791 calcium Inorganic materials 0.000 description 7
- 239000011591 potassium Substances 0.000 description 7
- 229910052700 potassium Inorganic materials 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 229910021653 sulphate ion Inorganic materials 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000002386 leaching Methods 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 239000002253 acid Substances 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- YFVXLROHJBSEDW-UHFFFAOYSA-N 4-[(4-nitrophenyl)diazenyl]-n-phenylaniline Chemical compound C1=CC([N+](=O)[O-])=CC=C1N=NC(C=C1)=CC=C1NC1=CC=CC=C1 YFVXLROHJBSEDW-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000001099 ammonium carbonate Substances 0.000 description 3
- 235000012501 ammonium carbonate Nutrition 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 150000003754 zirconium Chemical class 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 2
- 239000004312 hexamethylene tetramine Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- IVORCBKUUYGUOL-UHFFFAOYSA-N 1-ethynyl-2,4-dimethoxybenzene Chemical compound COC1=CC=C(C#C)C(OC)=C1 IVORCBKUUYGUOL-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-LZFNBGRKSA-N Potassium-45 Chemical compound [45K] ZLMJMSJWJFRBEC-LZFNBGRKSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000003857 carboxamides Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000011928 denatured alcohol Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000000921 elemental analysis Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- CMOAHYOGLLEOGO-UHFFFAOYSA-N oxozirconium;dihydrochloride Chemical compound Cl.Cl.[Zr]=O CMOAHYOGLLEOGO-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
- 238000004876 x-ray fluorescence Methods 0.000 description 1
- -1 zirconium dioxide Chemical class 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/006—Compounds containing, besides zirconium, two or more other elements, with the exception of oxygen or hydrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/02—Oxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G25/00—Compounds of zirconium
- C01G25/06—Sulfates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/01—Waste acid containing iron
- Y10S423/02—Sulfuric acid
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPH040585 | 1985-05-02 | ||
| PCT/AU1986/000109 WO1986006362A1 (en) | 1985-05-02 | 1986-04-22 | Purification of zirconium compounds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO865353L true NO865353L (no) | 1986-12-30 |
Family
ID=3771083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO865353A NO865353L (no) | 1985-05-02 | 1986-12-30 | Rensing av zirkoniumforbindelser. |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US4822575A (es) |
| EP (1) | EP0253818A4 (es) |
| JP (1) | JPS62502683A (es) |
| KR (1) | KR870700222A (es) |
| CN (1) | CN1010580B (es) |
| AU (1) | AU585617B2 (es) |
| BR (1) | BR8607106A (es) |
| DK (1) | DK587D0 (es) |
| ES (1) | ES8707703A1 (es) |
| IN (2) | IN169690B (es) |
| NO (1) | NO865353L (es) |
| NZ (1) | NZ215774A (es) |
| PH (1) | PH21618A (es) |
| WO (1) | WO1986006362A1 (es) |
| ZA (1) | ZA862781B (es) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE81644T1 (de) * | 1986-06-17 | 1992-11-15 | Commw Scient Ind Res Org | Darstellung von hydrolisierten zirkonsalzvorl|ufern und von hochreinem zirkonoxid. |
| DE59003114D1 (de) * | 1989-05-02 | 1993-11-25 | Lonza Ag | Sinterfähiges Zirkonoxidpulver und Verfahren zu seiner Herstellung. |
| GB9012524D0 (en) * | 1990-06-05 | 1990-07-25 | Shell Int Research | High surface area zirconia,a process for producing high surface area zirconia and a process for the production of hydrocarbons from synthesis gas |
| FR2668764B1 (fr) * | 1990-11-07 | 1993-12-24 | Westinghouse Electric Corp | Production d'un oxyde de zirconium ou d'hafnium de haute qualite. |
| MY130150A (en) * | 1993-06-30 | 2007-06-29 | Tech Resources Pty Ltd | Zirconia based opacifiers |
| US5447898A (en) * | 1993-09-21 | 1995-09-05 | Shell Oil Company | Process for the preparation of zirconia |
| DE19653629A1 (de) * | 1996-12-20 | 1998-06-25 | Basf Ag | Monoklines Zirconiumoxid mit hoher Oberfläche |
| FR2812630B1 (fr) * | 2000-08-04 | 2002-10-04 | Rhodia Terres Rares | Zircone sous forme de poudre fine, hydroxycarbonate de zirconium et leurs procedes de preparation |
| CN100374372C (zh) * | 2005-08-31 | 2008-03-12 | 东华工程科技股份有限公司 | 一种复分解法制备硝酸钾的方法 |
| US8940256B2 (en) * | 2011-12-07 | 2015-01-27 | Xylon Technical Ceramics, Inc. | Method for recycling of rare earth and zirconium oxide materials |
| EP3870095A4 (en) | 2018-10-26 | 2022-07-20 | University of Iowa Research Foundation | DEVICE FOR LIGHT-BASED DENTAL TREATMENT |
| CN112110726A (zh) * | 2020-09-24 | 2020-12-22 | 郑州方铭高温陶瓷新材料有限公司 | 废旧炉衬的钇稳定氧化锆砖的回收利用分离方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB780564A (en) * | 1955-01-24 | 1957-08-07 | Nat Lead Co | Production of zirconium sulphates |
| US3057682A (en) * | 1960-07-15 | 1962-10-09 | Nat Distillers Chem Corp | Process for recovery as zirconium oxysulfate zirconium values from salt baths |
| DE1294947B (de) * | 1962-05-08 | 1969-05-14 | Degussa | Verfahren zum Aufschliessen von Zirkonsand |
| JPS4423975Y1 (es) * | 1965-08-17 | 1969-10-09 | ||
| US3672825A (en) * | 1970-02-16 | 1972-06-27 | Tizon Chem Corp | Process for preparing basic zirconium sulfates and other zirconium compounds such as zirconium fluosulfates,and compositions containing the same |
| FR2102391A5 (fr) * | 1970-03-24 | 1972-04-07 | Gnii | Sulfatozirconates acides de sodium, d'ammonium ou sodico-ammoniacauxet leur procede de preparation |
| GB1495267A (en) * | 1974-03-18 | 1977-12-14 | Borax Cons Ltd | Process for the production of basic zirconium carbonate |
| DE2854200C2 (de) * | 1978-12-15 | 1981-02-05 | Th. Goldschmidt Ag, 4300 Essen | Verfahren zur Herstellung von Zirkonoxid aus technischem Calciumzirkonat |
| DE2927128C2 (de) * | 1979-07-05 | 1981-06-11 | Th. Goldschmidt Ag, 4300 Essen | Verfahren zur Herstellung von basischem Zirkoncarbonat hoher Reinheit |
| US4505886A (en) * | 1983-07-01 | 1985-03-19 | Nl Industries, Inc. | Process for preparing high quality titanium dioxide |
| JPS60127240A (ja) * | 1983-12-14 | 1985-07-06 | Onoda Cement Co Ltd | 酸化ジルコニウム微粉の製造方法 |
| EP0171736B1 (en) * | 1984-08-07 | 1992-05-27 | Nippon Shokubai Kagaku Kogyo Co., Ltd | Micronized zirconia and method for production thereof |
| US4640716A (en) * | 1985-06-26 | 1987-02-03 | Engelhard Corporation | High bulking pigment and method of making same |
| US4639356A (en) * | 1985-11-05 | 1987-01-27 | American Cyanamid Company | High technology ceramics with partially stabilized zirconia |
-
1986
- 1986-04-10 NZ NZ215774A patent/NZ215774A/xx unknown
- 1986-04-14 ZA ZA862781A patent/ZA862781B/xx unknown
- 1986-04-18 IN IN350/DEL/86A patent/IN169690B/en unknown
- 1986-04-21 PH PH33683A patent/PH21618A/en unknown
- 1986-04-22 WO PCT/AU1986/000109 patent/WO1986006362A1/en not_active Application Discontinuation
- 1986-04-22 EP EP19860902771 patent/EP0253818A4/en not_active Withdrawn
- 1986-04-22 JP JP61502599A patent/JPS62502683A/ja active Pending
- 1986-04-22 BR BR8607106A patent/BR8607106A/pt unknown
- 1986-04-22 KR KR860700970A patent/KR870700222A/ko not_active Application Discontinuation
- 1986-04-22 US US07/010,190 patent/US4822575A/en not_active Expired - Fee Related
- 1986-04-22 AU AU58667/86A patent/AU585617B2/en not_active Ceased
- 1986-04-29 CN CN86103022A patent/CN1010580B/zh not_active Expired
- 1986-04-30 ES ES554582A patent/ES8707703A1/es not_active Expired
- 1986-12-30 NO NO865353A patent/NO865353L/no unknown
-
1987
- 1987-01-02 DK DK000587A patent/DK587D0/da not_active Application Discontinuation
-
1988
- 1988-12-23 IN IN1148/DEL/88A patent/IN169812B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62502683A (ja) | 1987-10-15 |
| ZA862781B (en) | 1986-11-26 |
| ES8707703A1 (es) | 1987-08-16 |
| EP0253818A4 (en) | 1988-04-18 |
| AU5866786A (en) | 1986-11-18 |
| CN86103022A (zh) | 1986-10-29 |
| DK587A (da) | 1987-01-02 |
| BR8607106A (pt) | 1988-02-09 |
| PH21618A (en) | 1987-12-11 |
| US4822575A (en) | 1989-04-18 |
| KR870700222A (ko) | 1987-05-30 |
| DK587D0 (da) | 1987-01-02 |
| NZ215774A (en) | 1988-08-30 |
| IN169690B (es) | 1991-12-07 |
| ES554582A0 (es) | 1987-08-16 |
| WO1986006362A1 (en) | 1986-11-06 |
| CN1010580B (zh) | 1990-11-28 |
| IN169812B (es) | 1991-12-28 |
| AU585617B2 (en) | 1989-06-22 |
| EP0253818A1 (en) | 1988-01-27 |
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