KR100624752B1 - 콜레스테릭 액정박막으로 덮여진 미립자 - Google Patents
콜레스테릭 액정박막으로 덮여진 미립자 Download PDFInfo
- Publication number
- KR100624752B1 KR100624752B1 KR1020007011321A KR20007011321A KR100624752B1 KR 100624752 B1 KR100624752 B1 KR 100624752B1 KR 1020007011321 A KR1020007011321 A KR 1020007011321A KR 20007011321 A KR20007011321 A KR 20007011321A KR 100624752 B1 KR100624752 B1 KR 100624752B1
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- fine particles
- cholesteric liquid
- liquid crystalline
- cholesteric
- 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.)
- Expired - Fee Related
Links
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 title claims abstract description 39
- 239000010409 thin film Substances 0.000 title claims abstract description 12
- 239000002245 particle Substances 0.000 title description 9
- 239000010419 fine particle Substances 0.000 claims abstract description 62
- 239000007788 liquid Substances 0.000 claims abstract description 23
- 239000011859 microparticle Substances 0.000 claims abstract description 21
- 239000002904 solvent Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 230000003098 cholesteric effect Effects 0.000 claims description 30
- 229920000106 Liquid crystal polymer Polymers 0.000 claims description 19
- 229920000728 polyester Polymers 0.000 claims description 19
- -1 polyethylene Polymers 0.000 claims description 13
- 239000000203 mixture Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 239000006229 carbon black Substances 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims 2
- 239000000243 solution Substances 0.000 description 18
- 239000010408 film Substances 0.000 description 13
- 239000000976 ink Substances 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- 230000010287 polarization Effects 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 150000002989 phenols Chemical class 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000007646 gravure printing Methods 0.000 description 3
- 239000005011 phenolic resin Substances 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 238000002310 reflectometry Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920003055 poly(ester-imide) Polymers 0.000 description 2
- 229920000193 polymethacrylate Polymers 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- HLKMEIITONDPGG-UHFFFAOYSA-L barium(2+);2-hydroxypropanoate Chemical compound [Ba+2].CC(O)C([O-])=O.CC(O)C([O-])=O HLKMEIITONDPGG-UHFFFAOYSA-L 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920006149 polyester-amide block copolymer Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001184 polypeptide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 102000004196 processed proteins & peptides Human genes 0.000 description 1
- 108090000765 processed proteins & peptides Proteins 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 238000001132 ultrasonic dispersion Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
- C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
- C09K19/54—Additives having no specific mesophase characterised by their chemical composition
- C09K19/542—Macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B63/00—Lakes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K19/00—Liquid crystal materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2998—Coated including synthetic resin or polymer
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Liquid Crystal Substances (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polarising Elements (AREA)
Abstract
Description
Claims (5)
- 폴리메틸메타아크릴레이트, 불소수지, 폴리에틸렌과 같은 유기수지 미립자 및 알루미나, 실리카, 황산바륨, 수산화알루미늄, 탄산칼슘, 산화티탄, 아연화, 각종 금속, 카본블랙과 같은 무기 미립자로 구성된 군에서 선택되는 비액정성 미립자를 핵으로 갖고, 그 표면에 미립자의 전 방향에 대하여 원편광 선택반사 특성을 나타내는 콜레스테릭 액정 박막층을 배치한 것으로,전술한 콜레스테릭 액정의 용액 안에, 전술한 비액정성 미립자를 분산시킨 후, 용매를 제거하고, 콜레스테릭 액정이 콜레스테릭 배향을 나타내는 온도영역에서 열처리를 행하고, 이어서 냉각하는 것을 포함하는 방법으로 제조된 것을 특징으로 하는 미립자.
- 청구항 1에 있어서,전술한 콜레스테릭 액정이, 네마틱 액정성 고분자에 광학활성인 성분을 배합한 콜레스테릭 액정성 고분자 조성물 또는 분자내에 광학활성인 기를 갖는 콜레스테릭 액정성 고분자 화합물인 미립자.
- 청구항2에 있어서,네마틱 액정성 고분자가 네마틱 액정성 폴리에스테르인 미립자.
- 청구항1에 있어서,비액정성 미립자가 유기수지 미립자 또는 유기 미립자인 미립자.
- 콜레스테릭 액정용액 안에, 비액정성의 유기 또는 무기 미립자를 분산시킨 후, 용매를 제거하고, 콜레스테릭 액정이 콜레스테릭 배향을 나타내는 온도영역에 있어서 열처리를 행하여, 이어서 냉각하는 것을 특징으로 하는 미립자의 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10230398A JP4502415B2 (ja) | 1998-04-14 | 1998-04-14 | コレステリック液晶薄膜で覆われた微粒子 |
JP1998-102303 | 1998-04-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010042632A KR20010042632A (ko) | 2001-05-25 |
KR100624752B1 true KR100624752B1 (ko) | 2006-09-15 |
Family
ID=14323850
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020007011321A Expired - Fee Related KR100624752B1 (ko) | 1998-04-14 | 1999-04-14 | 콜레스테릭 액정박막으로 덮여진 미립자 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6376029B1 (ko) |
EP (1) | EP1072649B1 (ko) |
JP (1) | JP4502415B2 (ko) |
KR (1) | KR100624752B1 (ko) |
CN (1) | CN1097621C (ko) |
DE (1) | DE69935212T2 (ko) |
WO (1) | WO1999054409A1 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001311079A (ja) * | 2000-04-27 | 2001-11-09 | Kyodo Printing Co Ltd | 液晶マイクロカプセル及び記録表示媒体 |
US7029729B2 (en) | 2003-02-24 | 2006-04-18 | 3M Innovative Properties Company | Cholesteric liquid crystal additives |
US7068344B2 (en) | 2003-02-24 | 2006-06-27 | 3M Innovative Properties Company | Cholesteric liquid crystal optical bodies and methods of manufacture and use |
US6913708B2 (en) | 2003-02-24 | 2005-07-05 | 3M Innovative Properties Company | Cholesteric liquid crystal drying process and solvent |
JP4392186B2 (ja) * | 2003-04-14 | 2009-12-24 | 大日本印刷株式会社 | 高速度応答液晶素子および駆動方法 |
KR100792939B1 (ko) | 2003-12-24 | 2008-01-08 | 엘에스전선 주식회사 | 실리카를 포함하는 액정 배향제 조성물, 이를 이용한 액정배향막, 그 제조방법 및 상기 액정 배향막을 포함하는액정 소자 |
JP4964123B2 (ja) * | 2004-04-16 | 2012-06-27 | ディ.ケイ. アンド イー.エル. マクフェイル エンタープライジーズ プロプライエタリー リミテッド | 空洞構造を備えた、調節可能フォトニック結晶として使用される光学的活性素子の形成方法 |
WO2006063926A1 (en) * | 2004-12-16 | 2006-06-22 | Sicpa Holding S.A. | Cholesteric monolayers and monolayer pigments with particular properties, their production and use |
WO2007108154A1 (ja) * | 2006-03-22 | 2007-09-27 | Sharp Kabushiki Kaisha | 微粒子および液晶組成物並びに液晶表示素子 |
KR20100047571A (ko) * | 2008-10-29 | 2010-05-10 | 신화인터텍 주식회사 | 액정 필름, 이를 포함하는 광원 어셈블리 및 액정 표시 장치 |
JP6213973B2 (ja) * | 2011-10-06 | 2017-10-18 | 御木本製薬株式会社 | 組成物 |
CN113238410B (zh) * | 2021-04-23 | 2023-03-28 | 华南师范大学 | 一种光反射涂层及其制备方法和光学器件 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5242617A (en) * | 1989-02-13 | 1993-09-07 | Akzo N.V. | Liquid crystal pigment, method of producing and use in coatings |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3947183A (en) * | 1974-09-25 | 1976-03-30 | Xerox Corporation | Liquid crystal display system |
JPH0328822A (ja) * | 1989-06-27 | 1991-02-07 | Nippon Oil Co Ltd | 液晶表示素子用補償板 |
JPH05216025A (ja) * | 1992-02-04 | 1993-08-27 | Seiko Epson Corp | 液晶パネル |
DE4240743A1 (de) * | 1992-12-03 | 1994-06-09 | Consortium Elektrochem Ind | Pigmente mit vom Betrachtungswinkel abhängiger Farbigkeit, ihre Herstellung und Verwendung |
DE19602848A1 (de) * | 1996-01-26 | 1997-07-31 | Basf Ag | Verfahren zur Herstellung von Pigmenten |
-
1998
- 1998-04-14 JP JP10230398A patent/JP4502415B2/ja not_active Expired - Fee Related
-
1999
- 1999-04-14 WO PCT/JP1999/001994 patent/WO1999054409A1/ja active IP Right Grant
- 1999-04-14 US US09/673,488 patent/US6376029B1/en not_active Expired - Lifetime
- 1999-04-14 KR KR1020007011321A patent/KR100624752B1/ko not_active Expired - Fee Related
- 1999-04-14 EP EP99914751A patent/EP1072649B1/en not_active Expired - Lifetime
- 1999-04-14 DE DE1999635212 patent/DE69935212T2/de not_active Expired - Lifetime
- 1999-04-14 CN CN99805063A patent/CN1097621C/zh not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5242617A (en) * | 1989-02-13 | 1993-09-07 | Akzo N.V. | Liquid crystal pigment, method of producing and use in coatings |
Also Published As
Publication number | Publication date |
---|---|
DE69935212D1 (de) | 2007-04-05 |
CN1297468A (zh) | 2001-05-30 |
EP1072649A4 (en) | 2001-09-26 |
DE69935212T2 (de) | 2007-11-15 |
JPH11293251A (ja) | 1999-10-26 |
US6376029B1 (en) | 2002-04-23 |
WO1999054409A1 (fr) | 1999-10-28 |
EP1072649A1 (en) | 2001-01-31 |
EP1072649B1 (en) | 2007-02-21 |
KR20010042632A (ko) | 2001-05-25 |
CN1097621C (zh) | 2003-01-01 |
JP4502415B2 (ja) | 2010-07-14 |
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