KR100311766B1 - 열밀봉가능한연신웹 - Google Patents

열밀봉가능한연신웹 Download PDF

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Publication number
KR100311766B1
KR100311766B1 KR1019950704467A KR19950704467A KR100311766B1 KR 100311766 B1 KR100311766 B1 KR 100311766B1 KR 1019950704467 A KR1019950704467 A KR 1019950704467A KR 19950704467 A KR19950704467 A KR 19950704467A KR 100311766 B1 KR100311766 B1 KR 100311766B1
Authority
KR
South Korea
Prior art keywords
film
polymer
surface layer
stretched
layer
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
KR1019950704467A
Other languages
English (en)
Korean (ko)
Other versions
KR960701737A (ko
Inventor
패트릭 디. 하이드
앤드류 제이. 우더커크
Original Assignee
스프레이그 로버트 월터
미네소타 마이닝 앤드 매뉴팩춰링 캄파니
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 스프레이그 로버트 월터, 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 filed Critical 스프레이그 로버트 월터
Publication of KR960701737A publication Critical patent/KR960701737A/ko
Application granted granted Critical
Publication of KR100311766B1 publication Critical patent/KR100311766B1/ko
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/0063—After-treatment of articles without altering their shape; Apparatus therefor for changing crystallisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0041—Crystalline
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/005—Oriented
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0077—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/005—Tarpaulins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24843—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] with heat sealable or heat releasable adhesive layer
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/268—Monolayer with structurally defined element
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
    • 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2809—Web or sheet containing structurally defined element or component and having an adhesive outermost layer including irradiated or wave energy treated component
    • 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
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2813—Heat or solvent activated or sealable
    • Y10T428/2817—Heat sealable
    • Y10T428/2826—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]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31573—Next to addition polymer of ethylenically unsaturated monomer
    • Y10T428/31587—Hydrocarbon polymer [polyethylene, polybutadiene, etc.]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Laminated Bodies (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Wrappers (AREA)
KR1019950704467A 1993-04-15 1994-02-04 열밀봉가능한연신웹 Expired - Fee Related KR100311766B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/047,807 US5328653A (en) 1993-04-15 1993-04-15 Process of making heat-sealable oriented web
US08/047,807 1993-04-15
US08/047807 1993-04-15
PCT/US1994/001279 WO1994023933A1 (en) 1993-04-15 1994-02-04 Heat-sealable oriented web

Publications (2)

Publication Number Publication Date
KR960701737A KR960701737A (ko) 1996-03-28
KR100311766B1 true KR100311766B1 (ko) 2001-12-17

Family

ID=21951083

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950704467A Expired - Fee Related KR100311766B1 (ko) 1993-04-15 1994-02-04 열밀봉가능한연신웹

Country Status (11)

Country Link
US (2) US5328653A (enExample)
EP (1) EP0693990B1 (enExample)
JP (1) JP3843310B2 (enExample)
KR (1) KR100311766B1 (enExample)
CN (1) CN1120826A (enExample)
AU (1) AU673430B2 (enExample)
CA (1) CA2158259A1 (enExample)
DE (1) DE69403206T2 (enExample)
TW (1) TW270152B (enExample)
WO (1) WO1994023933A1 (enExample)
ZA (1) ZA941339B (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5086946A (en) * 1990-12-10 1992-02-11 Minnesota Mining And Manufacturing Company Sheet stack and dispenser package therefor
JPH08509641A (ja) * 1993-05-03 1996-10-15 アベリー・デニソン・コーポレーション 軟質のおむつテープ
US5866249A (en) * 1995-12-18 1999-02-02 Minnesota Mining And Manufacturing Company Pressure-sensitive adhesive based on partially oriented and partially crystallized elastomer
WO1999016608A1 (en) * 1997-10-01 1999-04-08 Minnesota Mining And Manufacturing Company Embossed oriented polymer films
SG71168A1 (en) * 1997-11-14 2000-03-21 Gen Electric Method for producing textured thermoplastic film
SG75890A1 (en) * 1997-11-14 2000-10-24 Gen Electric Finishing roll sleeve for extruded thermoplastic film
US6855415B2 (en) 1997-11-14 2005-02-15 General Electric Company Coated thermoplastic film substrate
US6514585B1 (en) 1998-11-13 2003-02-04 3M Innovative Properties Company Tape strip pads and dispenser and method of dispensing individual tape strips
WO2004039551A2 (en) * 2002-08-02 2004-05-13 Avery Dennison Corporation Process and apparatus for microreplication
DE10335494A1 (de) * 2002-08-16 2004-03-04 Forschungszentrum Karlsruhe Gmbh Verfahren zum Verbinden von Fügepartnern
AU2003297004A1 (en) * 2003-01-06 2004-08-10 Avery Dennison Corporation Embossed oriented optical films
US20070001333A1 (en) * 2005-06-30 2007-01-04 Ashwit Dias System and method for forming textured polymeric films
US8048503B2 (en) * 2005-07-29 2011-11-01 Gore Enterprise Holdings, Inc. Highly porous self-cohered web materials
US7850810B2 (en) * 2005-07-29 2010-12-14 Gore Enterprise Holdings, Inc. Method of making porous self-cohered web materials
US20070026040A1 (en) * 2005-07-29 2007-02-01 Crawley Jerald M Composite self-cohered web materials
US7655584B2 (en) * 2005-07-29 2010-02-02 Gore Enterprise Holdings, Inc. Highly porous self-cohered web materials
US20070026039A1 (en) * 2005-07-29 2007-02-01 Drumheller Paul D Composite self-cohered web materials
US7655288B2 (en) * 2005-07-29 2010-02-02 Gore Enterprise Holdings, Inc. Composite self-cohered web materials
US20070027551A1 (en) * 2005-07-29 2007-02-01 Farnsworth Ted R Composite self-cohered web materials
US7604668B2 (en) * 2005-07-29 2009-10-20 Gore Enterprise Holdings, Inc. Composite self-cohered web materials
US8802002B2 (en) * 2006-12-28 2014-08-12 3M Innovative Properties Company Dimensionally stable bonded nonwoven fibrous webs
EP2303576B1 (en) * 2008-07-16 2014-02-26 Jindal Films Americas, LLC Matte surface multilayer films having improved sealing properties, their methods of manufacture, and articles made therefrom
JP2011107405A (ja) * 2009-11-17 2011-06-02 Sekisui Chem Co Ltd 視野角制御シート及びその製造方法
WO2011139919A1 (en) * 2010-05-06 2011-11-10 Clear Lam Packaging, Inc. Synergistic biopolymer blown film extrusion system and method
CN103180140A (zh) * 2010-09-20 2013-06-26 埃克森美孚石油公司 具有改进的密封性能的多层薄膜
JP6186986B2 (ja) * 2013-07-25 2017-08-30 大日本印刷株式会社 蓋材用撥水性フィルム、蓋材、及び包装容器
JP6183696B2 (ja) * 2013-07-25 2017-08-23 大日本印刷株式会社 撥水性フィルム、積層体、及び包装材料
JP6491211B2 (ja) * 2013-12-12 2019-03-27 スリーエム イノベイティブ プロパティズ カンパニー ポリマー多層フィルムの製造方法
CN114953409B (zh) * 2022-04-21 2023-07-14 四川大学 利用废弃双轴拉伸薄膜制备高性能再加工塑料制品的方法
CA3248203A1 (en) * 2022-04-27 2023-11-02 Keter Home and Garden Products Ltd. TEXTURING AND MARKING PROCESSES FOR A SURFACE
WO2023209699A1 (en) * 2022-04-27 2023-11-02 Keter Home and Garden Products Ltd. Processes for texturizing and marking a surface

Family Cites Families (14)

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Publication number Priority date Publication date Assignee Title
IT464517A (enExample) * 1949-01-18
GB851053A (en) * 1956-01-03 1960-10-12 Kendall & Co Treatment of flexible, thermoplastic, organic polymeric sheets and films
US2976567A (en) * 1957-10-16 1961-03-28 Dow Chemical Co Process and apparatus for upgrading thermoplastic film
US3394045A (en) * 1964-07-27 1968-07-23 Signode Corp Polypropylene sheet and method
US3950480A (en) * 1973-01-12 1976-04-13 Ethyl Corporation Method for embossing plastic material
UST927010I4 (en) * 1973-11-20 1974-10-01 Defensive publication
US4090008A (en) * 1976-05-12 1978-05-16 Fmc Corporation Edge abrasion resistant plastic strapping and method and apparatus for making the same
US4247591A (en) * 1978-03-27 1981-01-27 Signode Corporation Fusible composite binding strap
ZA81466B (en) * 1980-04-22 1982-02-24 Signode Corp Method and apparatus for fabricating,surface treating and cutting thermoplastic polymer sheet
US4495124A (en) * 1980-04-22 1985-01-22 Signode Corporation Method for producing polypropylene sheet
US4428720A (en) * 1980-04-22 1984-01-31 Signode Corporation Apparatus for producing polypropylene sheet
JPS59129123A (ja) * 1983-01-14 1984-07-25 Tsukasa Kasei Kogyo Kk ポリプロピレン製バンド及びその製造方法
CA1307893C (en) * 1987-09-14 1992-09-29 Raymond Scott Harp Embossed oriented film
US4822451A (en) * 1988-04-27 1989-04-18 Minnesota Mining And Manufacturing Company Process for the surface modification of semicrystalline polymers

Also Published As

Publication number Publication date
WO1994023933A1 (en) 1994-10-27
DE69403206T2 (de) 1998-01-22
AU6586194A (en) 1994-11-08
JP3843310B2 (ja) 2006-11-08
TW270152B (enExample) 1996-02-11
US5411788A (en) 1995-05-02
US5328653A (en) 1994-07-12
KR960701737A (ko) 1996-03-28
DE69403206D1 (de) 1997-06-19
AU673430B2 (en) 1996-11-07
EP0693990A1 (en) 1996-01-31
CA2158259A1 (en) 1994-10-27
EP0693990B1 (en) 1997-05-14
CN1120826A (zh) 1996-04-17
JPH08508944A (ja) 1996-09-24
ZA941339B (en) 1995-08-25

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