KR890016690A - 안정화된 초전도체 재료 및 그의 수득방법 - Google Patents
안정화된 초전도체 재료 및 그의 수득방법 Download PDFInfo
- Publication number
- KR890016690A KR890016690A KR1019890004334A KR890004334A KR890016690A KR 890016690 A KR890016690 A KR 890016690A KR 1019890004334 A KR1019890004334 A KR 1019890004334A KR 890004334 A KR890004334 A KR 890004334A KR 890016690 A KR890016690 A KR 890016690A
- Authority
- KR
- South Korea
- Prior art keywords
- ceramic material
- treatment method
- fluorine
- fluoride
- material according
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 11
- 239000000463 material Substances 0.000 title claims 5
- 239000002887 superconductor Substances 0.000 title claims 4
- 229910010293 ceramic material Inorganic materials 0.000 claims 12
- 238000011282 treatment Methods 0.000 claims 7
- 229910052731 fluorine Inorganic materials 0.000 claims 5
- 125000001153 fluoro group Chemical group F* 0.000 claims 5
- 239000011737 fluorine Substances 0.000 claims 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims 2
- 239000000654 additive Substances 0.000 claims 2
- 230000000996 additive effect Effects 0.000 claims 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims 2
- 150000001342 alkaline earth metals Chemical class 0.000 claims 2
- 239000010949 copper Substances 0.000 claims 2
- 238000003682 fluorination reaction Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 2
- 229910052746 lanthanum Inorganic materials 0.000 claims 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims 2
- 229910052723 transition metal Inorganic materials 0.000 claims 2
- 150000003624 transition metals Chemical class 0.000 claims 2
- 229910052727 yttrium Inorganic materials 0.000 claims 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims 2
- 229910015900 BF3 Inorganic materials 0.000 claims 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 1
- 238000011276 addition treatment Methods 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 229910052788 barium Inorganic materials 0.000 claims 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims 1
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 claims 1
- 229910052791 calcium Inorganic materials 0.000 claims 1
- 239000011575 calcium Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 229910052802 copper Inorganic materials 0.000 claims 1
- 230000003247 decreasing effect Effects 0.000 claims 1
- 150000002222 fluorine compounds Chemical class 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- -1 halogen fluoride Chemical class 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 238000004377 microelectronic Methods 0.000 claims 1
- GVGCUCJTUSOZKP-UHFFFAOYSA-N nitrogen trifluoride Chemical compound FN(F)F GVGCUCJTUSOZKP-UHFFFAOYSA-N 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052761 rare earth metal Inorganic materials 0.000 claims 1
- 150000002910 rare earth metals Chemical class 0.000 claims 1
- 229910052712 strontium Inorganic materials 0.000 claims 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 claims 1
Classifications
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/45—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides
- C04B35/4504—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on copper oxide or solid solutions thereof with other oxides containing rare earth oxides
- C04B35/4508—Type 1-2-3
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/01—Manufacture or treatment
- H10N60/0268—Manufacture or treatment of devices comprising copper oxide
- H10N60/0661—Processes performed after copper oxide formation, e.g. patterning
- H10N60/0716—Passivating
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N60/00—Superconducting devices
- H10N60/80—Constructional details
- H10N60/85—Superconducting active materials
- H10N60/855—Ceramic superconductors
- H10N60/857—Ceramic superconductors comprising copper oxide
-
- 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
- Y10S420/00—Alloys or metallic compositions
- Y10S420/901—Superconductive
-
- 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
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/93—Electric superconducting
-
- 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
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/725—Process of making or treating high tc, above 30 k, superconducting shaped material, article, or device
-
- 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
- Y10S505/00—Superconductor technology: apparatus, material, process
- Y10S505/775—High tc, above 30 k, superconducting material
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Superconductor Devices And Manufacturing Methods Thereof (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 및 제 2 도는 각각 본 발명에 따르는 처리의 실행에 사용될 수 있는 장치의 구현예이다.
Claims (18)
- 초전도체 특성을 가진 세라믹 재료의 중심 표면에서부터 감소하는 농도 그래디언트에 따라 분포된 불소원자를 포함하는 것을 특징으로 하는 초전도체 특성을 가진 세라믹 재료.
- 제 1 항에 있어서, 상기 불소 원자가 상기 재료의 외층에 주로 분포된 것을 특징으로 하는 세라믹 재료.
- 제1 또는 2항에 있어서, 상기 재료에 포함된 상기 불소원자의 중량%가 2%를 초과하지 않는 것을 특징으로 하는 세라믹 재료.
- 제 3 항에 있어서, 상기 %가 1%를 초과하지 않는 것을 특징으로 하는 세라믹 재료.
- 제1 내지 4항중 어느 한 항에 있어서, 상기 불소 원자가 플루오라이드 또는 옥시플루오라이드 화합물의 형으로 상기 재료에 존재하는 것을 특징으로 하는 세라믹 재료.
- 제1 내지 5항중 어느 한 항에 있어서, 상기 외층이 비정질형인 것을 특징으로 하는 세라믹 재료.
- 제1 내지 6항중 어느 한 항에 있어서, 본질적으로 하나 이상의 희토류, 하나 이상의 알칼리토금속류, 하나 이상의 전이금속류 및 산소를 기재로하는 것을 특징으로 하는 세라믹 재료.
- 제 7 항에 있어서, 희토류는 이트륨, 란탄 및 에르붐중에서 선택되며, 알칼리토금속류는 바륨, 스트론듐 및 칼슘 중에서 선택되며 전이금속은 구리인 것을 특징으로 하는 세라믹 재료.
- 제 8 항에 있어서, 본질적으로 식 XBa2Cu3O7-x[식중, x는 이트륨, 란탄 또는 에르붐을 나타내며, x는 0 내지 0.5를 나타낸다.]에 해당하는 것을 특징으로 하는 세라믹 재료.
- 상기 재료를 120℃ 이하의 온도에서 볼소첨가처리하는 것으로 이루어짐을 특징으로 하는 초전도체 특성을 가진 세라믹 재료의 처리 방법.
- 제10항에 있어서, 상기 온도가 약 20℃에 위치하는 것을 특징으로 하는 처리 방법.
- 제10 또는 11항에 있어서, 상기 불소첨가가 기체 불소첨가제에 의해서 실행되는 것을 특징으로 하는 처리 방법.
- 제12항에 있어서, 상기 불소첨가제가 불소, 불소화수소산, 테트라플루오로메탄, 할로겐플루오라이드, 희소기체 플루오라이드, 불소화질소 및 불소화 붕소중에서 선택되는 것을 특징으로 하는 처리 방법.
- 제13항에 있어서, 불소를 사용하는 것을 특징으로 하는 처리 방법.
- 제10 내지 14항중 어느 한 항에 있어서, 상기 불소첨가가 대기압에서 행해지는 것을 특징으로 하는 처리 방법.
- 제10 내지 15항중 어느 한 항에 있어서, 후열처리가 따르는 것을 특징으로 하는 처리 방법.
- 제16항에 있어서, 상기 후열처리가 진공하, 500℃ 이하의 온도에서 실행되는 것을 특징으로 하는 처리 방법.
- 특히 망상층형인 전자산업용 및/또는 미세전자산업용 주성분 또는 시스템의 제조를 위한, 제1 내지 9항중 어느 한 항에 있어서, 정의된 것과 같은 세라믹 재료, 또는 10 내지 17항중 어느 한 항에 있어서, 정의된 처리 방법의 용도.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8804366A FR2629450B1 (fr) | 1988-04-01 | 1988-04-01 | Materiaux supraconducteurs stabilises et leur procede d'obtention |
| FR88/04366 | 1988-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR890016690A true KR890016690A (ko) | 1989-11-29 |
Family
ID=9364895
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890004016A KR890016089A (ko) | 1988-04-01 | 1989-03-29 | 질화붕소의 전구물질인 붕소 및 질소기재의 중합체 제법 |
| KR1019890004334A KR890016690A (ko) | 1988-04-01 | 1989-04-01 | 안정화된 초전도체 재료 및 그의 수득방법 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019890004016A KR890016089A (ko) | 1988-04-01 | 1989-03-29 | 질화붕소의 전구물질인 붕소 및 질소기재의 중합체 제법 |
Country Status (14)
| Country | Link |
|---|---|
| US (2) | US5002927A (ko) |
| EP (1) | EP0335798A1 (ko) |
| JP (1) | JPH0259467A (ko) |
| KR (2) | KR890016089A (ko) |
| CN (1) | CN1036856A (ko) |
| AU (1) | AU3221789A (ko) |
| BR (1) | BR8901471A (ko) |
| DK (1) | DK156789A (ko) |
| FI (1) | FI891576A (ko) |
| FR (1) | FR2629450B1 (ko) |
| IL (1) | IL89810A0 (ko) |
| NO (1) | NO891334L (ko) |
| PT (1) | PT90181A (ko) |
| ZA (1) | ZA892394B (ko) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2558383B2 (ja) * | 1990-09-12 | 1996-11-27 | セントラル硝子株式会社 | 酸化物高温超伝導体のハロゲン化フッ素処理方法 |
| JP2674688B2 (ja) * | 1995-11-14 | 1997-11-12 | 九州大学長 | 湿式グレインコーティングによるＹＢａ２Ｃｕ３Ｏｘの焼結方法 |
| US6197910B1 (en) | 1997-12-10 | 2001-03-06 | Exxon Chemical Patents, Inc. | Propylene polymers incorporating macromers |
| US6184327B1 (en) | 1997-12-10 | 2001-02-06 | Exxon Chemical Patents, Inc. | Elastomeric propylene polymers |
| US6677250B2 (en) * | 2001-08-17 | 2004-01-13 | Micron Technology, Inc. | CVD apparatuses and methods of forming a layer over a semiconductor substrate |
| US6992131B2 (en) * | 2002-03-22 | 2006-01-31 | Exxonmobil Chemical Patents Inc. | Adhesives |
| US7223822B2 (en) | 2002-10-15 | 2007-05-29 | Exxonmobil Chemical Patents Inc. | Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom |
| US7361377B2 (en) * | 2003-07-18 | 2008-04-22 | Brookhaven Science Associates, Llc | Fluorinated precursors of superconducting ceramics, and methods of making the same |
| JP5172456B2 (ja) * | 2008-05-07 | 2013-03-27 | 株式会社東芝 | 酸化物超電導体の製造方法 |
| CN103951769A (zh) | 2008-08-01 | 2014-07-30 | 埃克森美孚化学专利公司 | 催化剂体系和用于烯烃聚合的方法 |
| US8580902B2 (en) | 2008-08-01 | 2013-11-12 | Exxonmobil Chemical Patents Inc. | Catalyst system, process for olefin polymerization, and polymer compositions produced therefrom |
| US20120028866A1 (en) | 2010-07-28 | 2012-02-02 | Sudhin Datta | Viscosity Modifiers Comprising Blends of Ethylene-Based Copolymers |
| US8378042B2 (en) | 2009-04-28 | 2013-02-19 | Exxonmobil Chemical Patents Inc. | Finishing process for amorphous polymers |
| US9416206B2 (en) | 2010-01-22 | 2016-08-16 | Exxonmobil Chemical Patents Inc. | Lubricating oil compositions and method for making them |
| US9643900B2 (en) | 2011-03-25 | 2017-05-09 | Dow Global Technologies Llc | Hyperbranched ethylene-based oils and greases |
| WO2013158254A1 (en) | 2012-04-19 | 2013-10-24 | Exxonmobil Chemical Patents Inc. | Blocky ethylene propylene copolymers and methods for making them |
| US8703651B2 (en) | 2012-07-06 | 2014-04-22 | Dale Richard Harshman | Layered ionic superconductor |
| US9963648B2 (en) | 2013-06-28 | 2018-05-08 | Dow Global Technologies Llc | Process for the preparation of branched polyolefins for lubricant applications |
| US10196336B2 (en) | 2013-06-28 | 2019-02-05 | Dow Global Technologies Llc | Process for the preparation of lightly-branched hydrophobes and the corresponding surfactants and applications thereof |
| JP6516737B2 (ja) | 2013-06-28 | 2019-05-22 | ダウ グローバル テクノロジーズ エルエルシー | 超分岐エチレン含有オリゴマー |
| CN108326279A (zh) * | 2017-12-13 | 2018-07-27 | 天津邦特磁性材料有限公司 | 一种钕铁硼废料粉末处理用氟化装置 |
| KR20200136973A (ko) * | 2018-03-27 | 2020-12-08 | 도요세이칸 그룹 홀딩스 가부시키가이샤 | 발액성이 뛰어난 표면을 갖는 포장 부재 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0287325B1 (en) * | 1987-04-13 | 1994-07-27 | Hitachi, Ltd. | Superconducting material and process for producing the same |
| US4916116A (en) * | 1987-05-06 | 1990-04-10 | Semiconductor Energy Laboratory Co., Ltd. | Method of adding a halogen element into oxide superconducting materials by ion injection |
| JPS63274657A (ja) * | 1987-05-06 | 1988-11-11 | Semiconductor Energy Lab Co Ltd | 酸化物超電導材料およびその作製方法 |
| JPS63274682A (ja) * | 1987-05-06 | 1988-11-11 | Semiconductor Energy Lab Co Ltd | 酸化物超電導材料の作製方法 |
| JPS6433086A (en) * | 1987-07-28 | 1989-02-02 | Sumitomo Spec Metals | Production of superconducting ceramics having superior water resistance |
| DE3726016A1 (de) * | 1987-08-05 | 1989-02-16 | Siemens Ag | Verfahren zur herstellung eines schichtartigen aufbaus aus einem oxidkeramischen supralteitermaterial |
| JP2844194B2 (ja) * | 1987-10-29 | 1999-01-06 | セイコーエプソン株式会社 | 超電導材料及びこれを用いた電子デバイス |
| JPH01242478A (ja) * | 1988-03-23 | 1989-09-27 | Fujitsu Ltd | 酸素欠損型超伝導体の安定化方法 |
-
1988
- 1988-04-01 FR FR8804366A patent/FR2629450B1/fr not_active Expired - Lifetime
-
1989
- 1989-03-28 JP JP1074144A patent/JPH0259467A/ja active Pending
- 1989-03-29 KR KR1019890004016A patent/KR890016089A/ko not_active Application Discontinuation
- 1989-03-29 AU AU32217/89A patent/AU3221789A/en not_active Abandoned
- 1989-03-29 EP EP89400877A patent/EP0335798A1/fr not_active Withdrawn
- 1989-03-30 CN CN89101822A patent/CN1036856A/zh active Pending
- 1989-03-30 BR BR898901471A patent/BR8901471A/pt unknown
- 1989-03-30 NO NO89891334A patent/NO891334L/no unknown
- 1989-03-30 IL IL89810A patent/IL89810A0/xx unknown
- 1989-03-31 PT PT90181A patent/PT90181A/pt not_active Application Discontinuation
- 1989-03-31 ZA ZA892394A patent/ZA892394B/xx unknown
- 1989-03-31 DK DK156789A patent/DK156789A/da not_active IP Right Cessation
- 1989-03-31 FI FI891576A patent/FI891576A/fi not_active Application Discontinuation
- 1989-04-01 KR KR1019890004334A patent/KR890016690A/ko not_active Application Discontinuation
- 1989-04-03 US US07/332,177 patent/US5002927A/en not_active Expired - Fee Related
-
1990
- 1990-12-21 US US07/631,492 patent/US5132281A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| BR8901471A (pt) | 1989-11-14 |
| US5132281A (en) | 1992-07-21 |
| JPH0259467A (ja) | 1990-02-28 |
| FI891576A (fi) | 1989-10-02 |
| EP0335798A1 (fr) | 1989-10-04 |
| FI891576A0 (fi) | 1989-03-31 |
| IL89810A0 (en) | 1989-09-28 |
| NO891334L (no) | 1989-10-02 |
| DK156789A (da) | 1989-10-02 |
| DK156789D0 (da) | 1989-03-31 |
| AU3221789A (en) | 1989-10-05 |
| FR2629450A1 (fr) | 1989-10-06 |
| US5002927A (en) | 1991-03-26 |
| NO891334D0 (no) | 1989-03-30 |
| FR2629450B1 (fr) | 1992-04-30 |
| PT90181A (pt) | 1989-11-10 |
| ZA892394B (en) | 1989-12-27 |
| CN1036856A (zh) | 1989-11-01 |
| KR890016089A (ko) | 1989-11-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |