SE447429B - Forfarande for framstellning av brenslekutsar av klyvbart kernbrensle innehallande urandioxid - Google Patents
Forfarande for framstellning av brenslekutsar av klyvbart kernbrensle innehallande urandioxidInfo
- Publication number
- SE447429B SE447429B SE8301570A SE8301570A SE447429B SE 447429 B SE447429 B SE 447429B SE 8301570 A SE8301570 A SE 8301570A SE 8301570 A SE8301570 A SE 8301570A SE 447429 B SE447429 B SE 447429B
- Authority
- SE
- Sweden
- Prior art keywords
- acid
- binder
- ammonium
- nuclear fuel
- pellets
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 24
- 239000003758 nuclear fuel Substances 0.000 title claims description 20
- 239000000446 fuel Substances 0.000 title claims description 17
- 239000011230 binding agent Substances 0.000 claims description 47
- 239000008188 pellet Substances 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 23
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims description 22
- 239000002253 acid Substances 0.000 claims description 19
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 claims description 18
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 claims description 18
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 239000004310 lactic acid Substances 0.000 claims description 11
- 235000014655 lactic acid Nutrition 0.000 claims description 11
- 150000001261 hydroxy acids Chemical class 0.000 claims description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 9
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 8
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000011975 tartaric acid Substances 0.000 claims description 8
- 235000002906 tartaric acid Nutrition 0.000 claims description 8
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 6
- 239000001099 ammonium carbonate Substances 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 229910000013 Ammonium bicarbonate Inorganic materials 0.000 claims description 4
- 125000003158 alcohol group Chemical group 0.000 claims description 4
- 235000012538 ammonium bicarbonate Nutrition 0.000 claims description 4
- 150000007524 organic acids Chemical group 0.000 claims description 4
- QBYIENPQHBMVBV-HFEGYEGKSA-N (2R)-2-hydroxy-2-phenylacetic acid Chemical compound O[C@@H](C(O)=O)c1ccccc1.O[C@@H](C(O)=O)c1ccccc1 QBYIENPQHBMVBV-HFEGYEGKSA-N 0.000 claims description 3
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 3
- SJZRECIVHVDYJC-UHFFFAOYSA-N 4-hydroxybutyric acid Chemical compound OCCCC(O)=O SJZRECIVHVDYJC-UHFFFAOYSA-N 0.000 claims description 3
- IWYDHOAUDWTVEP-UHFFFAOYSA-N R-2-phenyl-2-hydroxyacetic acid Natural products OC(=O)C(O)C1=CC=CC=C1 IWYDHOAUDWTVEP-UHFFFAOYSA-N 0.000 claims description 3
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 3
- 239000011324 bead Substances 0.000 claims description 3
- 235000015165 citric acid Nutrition 0.000 claims description 3
- 239000001630 malic acid Substances 0.000 claims description 3
- 235000011090 malic acid Nutrition 0.000 claims description 3
- 229960002510 mandelic acid Drugs 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- BVCZEBOGSOYJJT-UHFFFAOYSA-N ammonium carbamate Chemical compound [NH4+].NC([O-])=O BVCZEBOGSOYJJT-UHFFFAOYSA-N 0.000 claims description 2
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 2
- 150000003863 ammonium salts Chemical class 0.000 claims description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 claims description 2
- 235000011187 glycerol Nutrition 0.000 claims description 2
- YNSUIDWLZCFLML-UHFFFAOYSA-N azanium;azane;carbamic acid;hydrogen carbonate Chemical compound [NH4+].[NH4+].NC([O-])=O.OC([O-])=O YNSUIDWLZCFLML-UHFFFAOYSA-N 0.000 claims 1
- RZKNJSIGVZOHKZ-UHFFFAOYSA-N diazanium carbonic acid carbonate Chemical compound [NH4+].[NH4+].OC(O)=O.OC(O)=O.[O-]C([O-])=O RZKNJSIGVZOHKZ-UHFFFAOYSA-N 0.000 claims 1
- 239000000843 powder Substances 0.000 description 24
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- WZECUPJJEIXUKY-UHFFFAOYSA-N [O-2].[O-2].[O-2].[U+6] Chemical compound [O-2].[O-2].[O-2].[U+6] WZECUPJJEIXUKY-UHFFFAOYSA-N 0.000 description 9
- 239000004033 plastic Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 9
- 229910000439 uranium oxide Inorganic materials 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- -1 uranyl ether Chemical compound 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000005245 sintering Methods 0.000 description 7
- 229910052770 Uranium Inorganic materials 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 229910010293 ceramic material Inorganic materials 0.000 description 5
- 230000005489 elastic deformation Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000012298 atmosphere Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000011282 treatment Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000001427 coherent effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000010304 firing Methods 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 229910052778 Plutonium Inorganic materials 0.000 description 2
- 229910052776 Thorium Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000011236 particulate material Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- FVVDPJOHERATAO-UHFFFAOYSA-N 2,3-dihydroxybutanedioic acid;2-hydroxypropanoic acid Chemical compound CC(O)C(O)=O.OC(=O)C(O)C(O)C(O)=O FVVDPJOHERATAO-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical class CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- SHZGCJCMOBCMKK-KGJVWPDLSA-N beta-L-fucose Chemical compound C[C@@H]1O[C@H](O)[C@@H](O)[C@H](O)[C@@H]1O SHZGCJCMOBCMKK-KGJVWPDLSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009918 complex formation Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229940049920 malate Drugs 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229940095674 pellet product Drugs 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 1
- 229910003452 thorium oxide Inorganic materials 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- 229910002007 uranyl nitrate Inorganic materials 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/42—Selection of substances for use as reactor fuel
- G21C3/58—Solid reactor fuel Pellets made of fissile material
- G21C3/62—Ceramic fuel
- G21C3/623—Oxide fuels
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/51—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on compounds of actinides
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Sampling And Sample Adjustment (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/360,630 US4432915A (en) | 1982-03-22 | 1982-03-22 | Method for producing nuclear fuel pellets, and product thereof |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE8301570D0 SE8301570D0 (sv) | 1983-03-22 |
| SE8301570L SE8301570L (sv) | 1983-09-23 |
| SE447429B true SE447429B (sv) | 1986-11-10 |
Family
ID=23418813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8301570A SE447429B (sv) | 1982-03-22 | 1983-03-22 | Forfarande for framstellning av brenslekutsar av klyvbart kernbrensle innehallande urandioxid |
Country Status (6)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522769A (en) * | 1982-08-24 | 1985-06-11 | General Electric Company | Method for the manufacture of nuclear fuel products |
| US4853177A (en) * | 1983-05-06 | 1989-08-01 | The Babcock & Wilcox Company | Void plug for annular fuel pellets |
| US4696769A (en) * | 1983-07-27 | 1987-09-29 | General Electric Company | Method and binder for the manufacture of nuclear fuel pellets, and the product |
| US4572810A (en) * | 1984-09-17 | 1986-02-25 | General Electric Company | Method for providing uranium hydroxide on UO2 particles prior to generation of fugitive binder for sintering |
| JPS61243394A (ja) * | 1985-04-22 | 1986-10-29 | 日本ニユクリア・フユエル株式会社 | 核燃料成形体の製造方法 |
| US4670198A (en) * | 1985-06-17 | 1987-06-02 | General Electric Company | Binder system for the manufacture of nuclear fuel pellets, and the method and product thereof |
| US4816187A (en) * | 1985-06-17 | 1989-03-28 | General Electric Company | Binder system for the manufacture of nuclear pellets, and the method and product thereof |
| JPS62206491A (ja) * | 1986-03-06 | 1987-09-10 | 日本ニュクリア・フュエル株式会社 | 核燃料成形体の製造方法 |
| JPS63214693A (ja) * | 1987-03-04 | 1988-09-07 | 日本ニユクリア・フユエル株式会社 | 核燃料焼結体の製造方法 |
| JP2701043B2 (ja) * | 1988-05-31 | 1998-01-21 | ニュークリア・デベロップメント株式会社 | ２重微細構造を有する酸化物核燃料体の製造方法 |
| JP3170468B2 (ja) * | 1996-12-27 | 2001-05-28 | 核燃料サイクル開発機構 | 核燃料ペレットの製造方法 |
| US9409825B2 (en) | 2013-08-20 | 2016-08-09 | Los Alamos National Security, Llc | Granulation of fine powder |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3361857A (en) * | 1965-12-03 | 1968-01-02 | Westinghouse Electric Corp | Method of preparing a fuel element of fissionable oxide and burnable poison |
| US3927154A (en) * | 1968-08-05 | 1975-12-16 | Gen Electric | Process for preparing sintered uranium dioxide nuclear fuel |
| US3923933A (en) * | 1968-10-29 | 1975-12-02 | Gen Electric | Process for preparing sintered uranium dioxide grains |
| US3803273A (en) * | 1971-08-27 | 1974-04-09 | Gen Electric | Ceramic fuel fabrication process providing controlled density and grain size |
| GB1461263A (en) * | 1973-01-12 | 1977-01-13 | British Nuclear Fuels Ltd | Ceramic nuclear fuel pellets |
| US4061700A (en) * | 1975-09-10 | 1977-12-06 | General Electric Company | Fugitive binder for nuclear fuel materials |
| JPS5489195A (en) * | 1977-12-26 | 1979-07-14 | Nippon Nuclear Fuels | Preparation of ceramic nuclear fuel |
| GB2067536B (en) * | 1980-01-21 | 1983-12-14 | Gen Electric | Nuclear fuel pellets |
| US4383953A (en) * | 1980-01-21 | 1983-05-17 | General Electric Company | Method of improving the green strength of nuclear fuel pellets |
-
1982
- 1982-03-22 US US06/360,630 patent/US4432915A/en not_active Expired - Fee Related
-
1983
- 1983-02-23 ES ES520009A patent/ES8605118A1/es not_active Expired
- 1983-03-12 DE DE3308889A patent/DE3308889C2/de not_active Expired
- 1983-03-18 IT IT20147/83A patent/IT1160743B/it active
- 1983-03-22 JP JP58046079A patent/JPS58180985A/ja active Granted
- 1983-03-22 SE SE8301570A patent/SE447429B/sv not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE3308889C2 (de) | 1986-10-23 |
| SE8301570D0 (sv) | 1983-03-22 |
| ES8605118A1 (es) | 1986-03-01 |
| DE3308889A1 (de) | 1983-11-10 |
| ES520009A0 (es) | 1986-03-01 |
| IT8320147A0 (it) | 1983-03-18 |
| JPS58180985A (ja) | 1983-10-22 |
| SE8301570L (sv) | 1983-09-23 |
| JPH0521193B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-03-23 |
| US4432915A (en) | 1984-02-21 |
| IT1160743B (it) | 1987-03-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
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