FR2740455B1 - Sulfonates d'oximes et leur utilisation comme dispensateurs d'acide sensibles aux rayonnements, notamment dans des photoresists - Google Patents

Sulfonates d'oximes et leur utilisation comme dispensateurs d'acide sensibles aux rayonnements, notamment dans des photoresists

Info

Publication number
FR2740455B1
FR2740455B1 FR9613165A FR9613165A FR2740455B1 FR 2740455 B1 FR2740455 B1 FR 2740455B1 FR 9613165 A FR9613165 A FR 9613165A FR 9613165 A FR9613165 A FR 9613165A FR 2740455 B1 FR2740455 B1 FR 2740455B1
Authority
FR
France
Prior art keywords
photoresists
unsubstituted
phenyl
oximum
sulfonates
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
Application number
FR9613165A
Other languages
English (en)
French (fr)
Other versions
FR2740455A1 (fr
Inventor
Kurt Dietliker
Martin Kunz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novartis AG
Original Assignee
Ciba Geigy AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of FR2740455A1 publication Critical patent/FR2740455A1/fr
Application granted granted Critical
Publication of FR2740455B1 publication Critical patent/FR2740455B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/10—Printing inks based on artificial resins
    • C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/63—Esters of sulfonic acids
    • C07C309/64—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms
    • C07C309/65—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to acyclic carbon atoms of a saturated carbon skeleton
    • C07C309/66—Methanesulfonates
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/63—Esters of sulfonic acids
    • C07C309/72—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C309/73—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton to carbon atoms of non-condensed six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C07C309/63—Esters of sulfonic acids
    • C07C309/72—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
    • C07C309/75—Esters of sulfonic acids having sulfur atoms of esterified sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing singly-bound oxygen atoms bound to the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
    • C07C323/50—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton
    • C07C323/62—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and carboxyl groups bound to the same carbon skeleton having the sulfur atom of at least one of the thio groups bound to a carbon atom of a six-membered aromatic ring of the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C381/00—Compounds containing carbon and sulfur and having functional groups not covered by groups C07C301/00 - C07C337/00
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/06—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/18—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted otherwise than in position 3 or 7
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D11/00—Inks
    • C09D11/02—Printing inks
    • C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/0045—Photosensitive materials with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2603/00—Systems containing at least three condensed rings
    • C07C2603/02—Ortho- or ortho- and peri-condensed systems
    • C07C2603/04—Ortho- or ortho- and peri-condensed systems containing three rings
    • C07C2603/06—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members
    • C07C2603/10—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings
    • C07C2603/12—Ortho- or ortho- and peri-condensed systems containing three rings containing at least one ring with less than six ring members containing five-membered rings only one five-membered ring
    • C07C2603/18—Fluorenes; Hydrogenated fluorenes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
    • G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
    • G03F7/004—Photosensitive materials
    • G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
    • 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
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/1053—Imaging affecting physical property or radiation sensitive material, or producing nonplanar or printing surface - process, composition, or product: radiation sensitive composition or product or process of making binder containing
    • Y10S430/1055—Radiation sensitive composition or product or process of making
    • Y10S430/114—Initiator containing
    • Y10S430/12—Nitrogen compound containing
    • 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
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/1053—Imaging affecting physical property or radiation sensitive material, or producing nonplanar or printing surface - process, composition, or product: radiation sensitive composition or product or process of making binder containing
    • Y10S430/1055—Radiation sensitive composition or product or process of making
    • Y10S430/114—Initiator containing
    • Y10S430/122—Sulfur compound containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Materials For Photolithography (AREA)
  • Polymerisation Methods In General (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Dental Preparations (AREA)
  • Paints Or Removers (AREA)
FR9613165A 1995-10-31 1996-10-29 Sulfonates d'oximes et leur utilisation comme dispensateurs d'acide sensibles aux rayonnements, notamment dans des photoresists Expired - Fee Related FR2740455B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH308095 1995-10-31

Publications (2)

Publication Number Publication Date
FR2740455A1 FR2740455A1 (fr) 1997-04-30
FR2740455B1 true FR2740455B1 (fr) 1999-01-29

Family

ID=4248187

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9613165A Expired - Fee Related FR2740455B1 (fr) 1995-10-31 1996-10-29 Sulfonates d'oximes et leur utilisation comme dispensateurs d'acide sensibles aux rayonnements, notamment dans des photoresists

Country Status (19)

Country Link
US (1) US6017675A (enExample)
JP (1) JP3975411B2 (enExample)
KR (1) KR100441135B1 (enExample)
CN (1) CN1088855C (enExample)
AT (1) AT407157B (enExample)
AU (1) AU709583B2 (enExample)
BE (1) BE1010726A5 (enExample)
BR (1) BR9605394A (enExample)
CA (1) CA2189110A1 (enExample)
CH (1) CH691630A5 (enExample)
DE (1) DE19644797A1 (enExample)
ES (1) ES2122916B1 (enExample)
FR (1) FR2740455B1 (enExample)
GB (1) GB2306958B (enExample)
IT (1) IT1286067B1 (enExample)
MX (1) MX9605258A (enExample)
MY (1) MY117352A (enExample)
NL (1) NL1004387C2 (enExample)
SG (1) SG49984A1 (enExample)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3665166B2 (ja) * 1996-07-24 2005-06-29 東京応化工業株式会社 化学増幅型レジスト組成物及びそれに用いる酸発生剤
US6770420B2 (en) * 1996-09-02 2004-08-03 Ciba Specialty Chemicals Corporation Alkylsulfonyloximes for high-resolution i-line photoresists of high sensitivity
TW550439B (en) * 1997-07-01 2003-09-01 Ciba Sc Holding Ag New oxime sulfonates as latent acids and compositions and photoresists comprising said oxime sulfonates
ATE239063T1 (de) 1998-03-13 2003-05-15 Akzo Nobel Nv Nicht-wässriges überzugsmittel auf basis eines lufttrocknenden alkydharzes und eines photoinitiators
JP3853967B2 (ja) * 1998-04-13 2006-12-06 富士写真フイルム株式会社 熱硬化性組成物およびこれを用いた平版印刷版用原版ならびにスルホン酸エステル化合物
US6280519B1 (en) * 1998-05-05 2001-08-28 Exxon Chemical Patents Inc. Environmentally preferred fluids and fluid blends
TW575792B (en) 1998-08-19 2004-02-11 Ciba Sc Holding Ag New unsaturated oxime derivatives and the use thereof as latent acids
EP1124832B1 (en) * 1998-10-29 2002-11-20 Ciba SC Holding AG Oxime derivatives and the use thereof as latent acids
WO2000052530A1 (en) 1999-03-03 2000-09-08 Ciba Specialty Chemicals Holding Inc. Oxime derivatives and the use thereof as photoinitiators
NL1014545C2 (nl) * 1999-03-31 2002-02-26 Ciba Sc Holding Ag Oxim-derivaten en de toepassing daarvan als latente zuren.
SG78412A1 (en) 1999-03-31 2001-02-20 Ciba Sc Holding Ag Oxime derivatives and the use thereof as latent acids
US6797451B2 (en) * 1999-07-30 2004-09-28 Hynix Semiconductor Inc. Reflection-inhibiting resin used in process for forming photoresist pattern
WO2001055789A2 (en) * 2000-01-25 2001-08-02 Infineon Technologies Ag Chemically amplified short wavelength resist
JP2001296666A (ja) * 2000-04-12 2001-10-26 Orc Mfg Co Ltd 基板露光方法および露光装置
US6482567B1 (en) * 2000-08-25 2002-11-19 Shipley Company, L.L.C. Oxime sulfonate and N-oxyimidosulfonate photoacid generators and photoresists comprising same
TWI272451B (en) 2000-09-25 2007-02-01 Ciba Sc Holding Ag Chemically amplified photoresist composition, process for preparation of a photoresist, and use of said chemically amplified photoresist composition
ATE288907T1 (de) 2001-06-01 2005-02-15 Ciba Sc Holding Ag Substituierte oxim-derivate und ihre verwendung als latente säuren
JP3633595B2 (ja) * 2001-08-10 2005-03-30 富士通株式会社 レジストパターン膨潤化材料およびそれを用いた微小パターンの形成方法および半導体装置の製造方法
JP4951827B2 (ja) * 2001-08-17 2012-06-13 Ｊｓｒ株式会社 スルホニル構造を有する化合物、それを用いた感放射線性酸発生剤、ポジ型感放射線性樹脂組成物、及びネガ型感放射線性樹脂組成物
CA2474532A1 (en) * 2002-02-06 2003-08-14 Peter Murer Sulfonate derivatives and the use therof as latent acids
AT500298A1 (de) * 2002-06-14 2005-11-15 Agrolinz Melamin Gmbh Verfahren zur härtung von aminoplasten
MXPA05008118A (es) * 2003-02-19 2005-09-30 Ciba Sc Holding Ag Derivados de oxima halogenados y el uso de los mismos como acidos latentes.
JP2004333865A (ja) * 2003-05-07 2004-11-25 Osaka Gas Co Ltd 光酸発生剤及びそれを含む光重合性樹脂組成物
WO2006008250A2 (en) * 2004-07-20 2006-01-26 Ciba Specialty Chemicals Holding Inc. Oxime derivatives and the use therof as latent acids
JP4644464B2 (ja) * 2004-10-19 2011-03-02 株式会社トクヤマ 歯科用修復材料
JP4631059B2 (ja) * 2006-03-30 2011-02-16 国立大学法人 千葉大学 光酸発生材料、これを用いたフォトリソグラフィー材料、光パターニングまたは光リソグラフィー
US20100167178A1 (en) * 2006-06-20 2010-07-01 Hitoshi Yamato Oxime sulfonates and the use thereof as latent acids
JP2010501655A (ja) * 2006-08-24 2010-01-21 チバ ホールディング インコーポレーテッド Ｕｖ線量インジケータ
KR101439951B1 (ko) 2007-02-15 2014-09-17 주식회사 동진쎄미켐 설포닐기를 포함하는 포토레지스트 모노머, 폴리머 및 이를 포함하는 포토레지스트 조성물
JP4637221B2 (ja) * 2007-09-28 2011-02-23 富士フイルム株式会社 ポジ型感光性樹脂組成物及びそれを用いた硬化膜形成方法
JP5308657B2 (ja) * 2007-12-10 2013-10-09 東京応化工業株式会社 非イオン性感光性化合物、酸発生剤、レジスト組成物およびレジストパターン形成方法
JP5676179B2 (ja) * 2010-08-20 2015-02-25 富士フイルム株式会社 ポジ型感光性樹脂組成物、硬化膜の形成方法、硬化膜、有機ｅｌ表示装置、及び、液晶表示装置
JP5335045B2 (ja) * 2011-08-31 2013-11-06 富士フイルム株式会社 感光性樹脂組成物、オキシムスルホネート化合物、硬化膜の形成方法、硬化膜、有機ｅｌ表示装置、及び、液晶表示装置
WO2016124493A1 (en) 2015-02-02 2016-08-11 Basf Se Latent acids and their use
JP6605820B2 (ja) * 2015-03-11 2019-11-13 株式会社Ａｄｅｋａ オキシムスルホネート化合物、光酸発生剤、レジスト組成物、カチオン重合開始剤、およびカチオン重合性組成物

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IT1110460B (it) * 1977-03-02 1985-12-23 Ciba Geigy Ag Prodotti che favoriscono la crescita delle piante e prodotti che proteggono le piante a base di eteri di ossime e di esteri di ossime loro preparazione e loro impiego
US4347372A (en) * 1978-09-01 1982-08-31 Ciba-Geigy Corporation Benzoxazolyl-glyoxylonitrile-2-oxime ether derivatives
US4346094A (en) * 1980-09-22 1982-08-24 Eli Lilly And Company 3-Aryl-5-isothiazolecarboxylic acids and related compounds used to lower uric acid levels
US4540598A (en) * 1983-08-17 1985-09-10 Ciba-Geigy Corporation Process for curing acid-curable finishes
DE3660255D1 (en) * 1985-04-12 1988-07-07 Ciba Geigy Ag Oxime sulphonates containing reactive groups
GB8608528D0 (en) * 1986-04-08 1986-05-14 Ciba Geigy Ag Production of positive images
KR900005226A (ko) * 1988-09-29 1990-04-13 윌리엄 비이 해리스 감광성 조성물 및 양화 상과 음화 상의 생성방법
DE59309494D1 (de) * 1992-05-22 1999-05-12 Ciba Geigy Ag Hochauflösender I-Linien Photoresist mit höherer Empfindlichkeit
GB9220986D0 (en) * 1992-10-06 1992-11-18 Ciba Geigy Ag Chemical composition
JP3830183B2 (ja) * 1995-09-29 2006-10-04 東京応化工業株式会社 オキシムスルホネート化合物及びレジスト用酸発生剤

Also Published As

Publication number Publication date
BR9605394A (pt) 1998-07-28
AU7038296A (en) 1997-05-08
ATA190596A (de) 2000-05-15
ES2122916B1 (es) 1999-08-16
NL1004387A1 (nl) 1997-05-02
AT407157B (de) 2001-01-25
MY117352A (en) 2004-06-30
CH691630A5 (de) 2001-08-31
DE19644797A1 (de) 1997-05-07
CN1088855C (zh) 2002-08-07
JP3975411B2 (ja) 2007-09-12
ITMI962251A1 (it) 1998-04-30
MX9605258A (es) 1997-04-30
CA2189110A1 (en) 1997-05-01
JPH09222725A (ja) 1997-08-26
SG49984A1 (en) 2001-01-16
BE1010726A5 (fr) 1998-12-01
AU709583B2 (en) 1999-09-02
GB9621798D0 (en) 1996-12-11
IT1286067B1 (it) 1998-07-07
GB2306958A (en) 1997-05-14
ES2122916A1 (es) 1998-12-16
NL1004387C2 (nl) 1998-05-19
GB2306958B (en) 1999-12-15
FR2740455A1 (fr) 1997-04-30
KR100441135B1 (ko) 2004-10-02
US6017675A (en) 2000-01-25
CN1153926A (zh) 1997-07-09
KR970022553A (ko) 1997-05-30

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