SE8603242L - POLYOLEFINE-CONTAINING EXTRADIBLE COMPOSITIONS AND PROCEDURES FOR THEIR FORMATION OF ELASTIC PRODUCTS - Google Patents
POLYOLEFINE-CONTAINING EXTRADIBLE COMPOSITIONS AND PROCEDURES FOR THEIR FORMATION OF ELASTIC PRODUCTSInfo
- Publication number
- SE8603242L SE8603242L SE8603242A SE8603242A SE8603242L SE 8603242 L SE8603242 L SE 8603242L SE 8603242 A SE8603242 A SE 8603242A SE 8603242 A SE8603242 A SE 8603242A SE 8603242 L SE8603242 L SE 8603242L
- Authority
- SE
- Sweden
- Prior art keywords
- compositions
- elastomeric
- block copolymer
- extradible
- polyolefine
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 239000000203 mixture Substances 0.000 title abstract 2
- 230000015572 biosynthetic process Effects 0.000 title 1
- 229920001400 block copolymer Polymers 0.000 abstract 3
- 238000002156 mixing Methods 0.000 abstract 1
- -1 poly(ethylene-butylene) Polymers 0.000 abstract 1
- 229920000098 polyolefin Polymers 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L53/00—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L53/02—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes
- C08L53/025—Compositions of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers of vinyl-aromatic monomers and conjugated dienes modified
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
- D01D4/025—Melt-blowing or solution-blowing dies
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/16—Applications used for films
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
- C08L2666/04—Macromolecular compounds according to groups C08L7/00 - C08L49/00, or C08L55/00 - C08L57/00; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
- C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
- C08L2666/24—Graft or block copolymers according to groups C08L51/00, C08L53/00 or C08L55/02; Derivatives thereof
Abstract
Extrudable elastomeric compositions are formed by blending from at least 10 percent, by weight, of an A-B-A' block copolymer where "A" and "A'" are each a thermoplastic endblock which includes a styrenic moiety and where "B" is an elastomeric poly(ethylene-butylene) midblock with up to about 90 per cent, by weight, of at least one polyolefin which, when blended with the A-B-A' block copolymer and subjected to an effective combination of elevated temperature and elevated pressure conditions, is adapted to be extruded in blended form, with the A-B-A' block copolymer. Fibrous nonwoven elastomeric webs and elastomeric films and processes for forming them are disclosed.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76069185A | 1985-07-30 | 1985-07-30 | |
US06/760,698 US4663220A (en) | 1985-07-30 | 1985-07-30 | Polyolefin-containing extrudable compositions and methods for their formation into elastomeric products including microfibers |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8603242D0 SE8603242D0 (en) | 1986-07-29 |
SE8603242L true SE8603242L (en) | 1987-01-31 |
SE465368B SE465368B (en) | 1991-09-02 |
Family
ID=27116854
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8603242A SE465368B (en) | 1985-07-30 | 1986-07-29 | OVERSEASED ELASTIC FIBER COURSES CONTAINING A MIXING OF A SEGMENT COPOLYMER AND A POLYOLEFINE |
SE9000936A SE465515B (en) | 1985-07-30 | 1990-03-16 | CONFORMED WOVEN ELASTIC FIBER COAT INCLUDING A MIXING OF A SEGMENT COPOLYMER AND A POLYOLEFINE |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9000936A SE465515B (en) | 1985-07-30 | 1990-03-16 | CONFORMED WOVEN ELASTIC FIBER COAT INCLUDING A MIXING OF A SEGMENT COPOLYMER AND A POLYOLEFINE |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPH0781230B2 (en) |
KR (1) | KR950002385B1 (en) |
AU (1) | AU582455B2 (en) |
DE (1) | DE3625775C2 (en) |
FR (1) | FR2585713B1 (en) |
GB (1) | GB2178433B (en) |
MX (1) | MX165691B (en) |
SE (2) | SE465368B (en) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4804577A (en) * | 1987-01-27 | 1989-02-14 | Exxon Chemical Patents Inc. | Melt blown nonwoven web from fiber comprising an elastomer |
EP0299718A3 (en) * | 1987-07-13 | 1991-03-27 | Raychem Corporation | Heat-resistant gel compositions |
BE1002478A4 (en) * | 1988-09-16 | 1991-02-26 | Solvay | PROPYLENE POLYMER STRIPS AND THEIR USE IN THE MANUFACTURE OF SYNTHETIC GRASS. |
DE8813978U1 (en) * | 1988-11-08 | 1988-12-22 | Slt Lining Technology Gmbh, 2102 Hamburg, De | |
WO1990007602A1 (en) * | 1988-12-27 | 1990-07-12 | Asahi Kasei Kogyo Kabushiki Kaisha | Extensible non-woven fabric and its production method |
JP2599847B2 (en) * | 1991-08-13 | 1997-04-16 | 株式会社クラレ | Polyethylene terephthalate type melt blown nonwoven fabric and its manufacturing method |
US5308906A (en) * | 1991-12-11 | 1994-05-03 | Kimberly-Clark Corporation | Extrudable elastomeric composition having controlled rate of degradation |
US5306545A (en) * | 1991-12-11 | 1994-04-26 | Mitsui Petrochemical Industries, Ltd. | Melt-blown non-woven fabric and laminated non-woven fabric material using the same |
US5405682A (en) * | 1992-08-26 | 1995-04-11 | Kimberly Clark Corporation | Nonwoven fabric made with multicomponent polymeric strands including a blend of polyolefin and elastomeric thermoplastic material |
MX9400894A (en) * | 1993-02-03 | 1994-08-31 | Exxon Chemical Patents Inc | ELASTOMERIC THERMOPLASTIC COPOLYMER FILMS. |
US6069097A (en) * | 1995-01-12 | 2000-05-30 | Paragon Trade Brands, Inc. | Composite elastic material having multistage elongation characteristics and method of manufacturing the same |
US6258308B1 (en) | 1996-07-31 | 2001-07-10 | Exxon Chemical Patents Inc. | Process for adjusting WVTR and other properties of a polyolefin film |
US5885908A (en) * | 1996-10-04 | 1999-03-23 | Minnesota Mining And Manufacturing Co. | Anisotropic elastic films |
AU730493B2 (en) * | 1997-10-15 | 2001-03-08 | Minnesota Mining And Manufacturing Company | Anisotropic elastic films and webs |
US6207237B1 (en) | 1998-09-30 | 2001-03-27 | Kimberly-Clark Corporation | Elastic nonwoven webs and films |
DE69911446T2 (en) | 1998-10-16 | 2004-07-01 | Exxonmobil Chemical Patents Inc., Baytown | METHOD FOR PRODUCING MICROPOROUS, BREATHABLE POLYETHYLENE FILMS |
US6416875B1 (en) | 1999-12-15 | 2002-07-09 | Dow Global Technologies Inc. | Multi-component articles prepared from hydrogenated block copolymers |
US6649001B2 (en) | 2000-03-21 | 2003-11-18 | Sca Hygiene Products Ab | Method and an arrangement for producing basic fastener tab material, such basic starting material, and fastener tabs |
SE521872C2 (en) * | 2000-03-21 | 2003-12-16 | Sca Hygiene Prod Ab | Method and apparatus for producing starting material for fastening tabs and such starting material and fastening tabs |
WO2010033489A1 (en) * | 2008-09-19 | 2010-03-25 | Dow Global Technologies Inc. | Improved monovinylidene aromatic polymer compositions comprising poly-alpha-olefin additives |
EP2370244A2 (en) * | 2008-12-04 | 2011-10-05 | Eidgenössische Technische Hochschule Zürich | Polymer articles, methods and dies for making the same |
US11505883B2 (en) | 2017-06-30 | 2022-11-22 | Kimberly-Clark Worldwide, Inc. | Methods of making composite nonwoven webs |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3459831A (en) * | 1965-09-24 | 1969-08-05 | Shell Oil Co | Block copolymer-polyethylene films |
US3459830A (en) * | 1965-09-24 | 1969-08-05 | Shell Oil Co | Block copolymer-polyethylene compositions |
US3849241A (en) * | 1968-12-23 | 1974-11-19 | Exxon Research Engineering Co | Non-woven mats by melt blowing |
BE775251A (en) * | 1970-11-16 | 1972-05-12 | Shell Int Research | POLYPROPYLENE COMPOSITIONS |
CA995388A (en) * | 1972-03-16 | 1976-08-17 | Sol Davison | Compositions containing a block copolymer and modified polypropylene |
US3830767A (en) * | 1973-05-02 | 1974-08-20 | Shell Oil Co | Block copolymer compositions |
US3865776A (en) * | 1974-02-11 | 1975-02-11 | Shell Oil Co | Kink-resistant polymeric tubing |
US4100324A (en) * | 1974-03-26 | 1978-07-11 | Kimberly-Clark Corporation | Nonwoven fabric and method of producing same |
US4006116A (en) * | 1975-11-26 | 1977-02-01 | Shell Oil Company | Block copolymer compositions and articles |
US4081424A (en) * | 1976-06-07 | 1978-03-28 | Shell Oil Company | Multicomponent polyolefin - block copolymer - polymer blends |
CA1073648A (en) * | 1976-08-02 | 1980-03-18 | Edward R. Hauser | Web of blended microfibers and crimped bulking fibers |
US4140162A (en) * | 1977-07-28 | 1979-02-20 | Baxter Travenol Lab | Clear, autoclavable plastic formulation free of liquid plasticizers |
US4305990A (en) * | 1977-11-03 | 1981-12-15 | Chicopee | Thermoplastic rubber film |
US4178328A (en) * | 1977-12-14 | 1979-12-11 | Borg-Warner Corporation | Rigid, high impact polypropylene compositions |
US4296163A (en) * | 1978-08-01 | 1981-10-20 | Teijin Limited | Fibrous composite having elasticity |
MX155449A (en) * | 1979-05-07 | 1988-03-11 | Fuller H B Co | METHOD TO MANUFACTURE A FILM, MEMBRANE OR FABRIC SUBSTRATE THAT HAS ELONGATION RESISTANT FOLDS, WITH A SELF-ADHERIBLE ELASTIC |
JPS5655413A (en) * | 1979-10-12 | 1981-05-16 | Toa Nenryo Kogyo Kk | Modified elastomer and laminate thereof |
US4323534A (en) * | 1979-12-17 | 1982-04-06 | The Procter & Gamble Company | Extrusion process for thermoplastic resin composition for fabric fibers with exceptional strength and good elasticity |
US4450026A (en) * | 1979-12-21 | 1984-05-22 | Johnson & Johnson Baby Products Company | Method of forming a conformable garment with "killed" elastic portions |
US4313867A (en) * | 1981-01-05 | 1982-02-02 | Exxon Research & Engineering Co. | Low pressure injection moldable compositions |
US4413623A (en) * | 1981-02-17 | 1983-11-08 | Johnson & Johnson Baby Products Company | Laminated structures having gathered and ungathered marginal portions and method of manufacturing the same |
IT1167712B (en) * | 1981-03-12 | 1987-05-13 | Montefina Sa | POLYMERIC MATERIAL CONSTITUTED BY A MIXTURE OF ANTI-IMPACT POLYSTYRENE, HIGH DENSITY POLYETHYLENE AND STYRENE / DIENE BLOCK COPOLYMER |
GB2122627A (en) * | 1982-06-23 | 1984-01-18 | Shell Int Research | Polyolefin/elastomeric polyester/block copolymer blend |
JPS5974153A (en) * | 1982-10-21 | 1984-04-26 | Dainippon Plastics Co Ltd | Resin composition |
US4479989A (en) * | 1982-12-02 | 1984-10-30 | Cutter Laboratories, Inc. | Flexible container material |
JPS59223347A (en) * | 1983-05-28 | 1984-12-15 | カネボウ株式会社 | Polyurethane elastic fiber nonwoven fabric and production thereof |
JPS6071656A (en) * | 1983-09-28 | 1985-04-23 | Dainippon Plastics Co Ltd | Blow molding resin composition |
JPS6099154A (en) * | 1983-11-04 | 1985-06-03 | Dainippon Plastics Co Ltd | Molding resin composition |
-
1986
- 1986-07-23 AU AU60485/86A patent/AU582455B2/en not_active Ceased
- 1986-07-28 FR FR8610888A patent/FR2585713B1/en not_active Expired - Lifetime
- 1986-07-29 KR KR1019860006188A patent/KR950002385B1/en not_active IP Right Cessation
- 1986-07-29 SE SE8603242A patent/SE465368B/en not_active IP Right Cessation
- 1986-07-30 GB GB8618642A patent/GB2178433B/en not_active Expired
- 1986-07-30 DE DE3625775A patent/DE3625775C2/en not_active Expired - Lifetime
- 1986-07-30 JP JP61179784A patent/JPH0781230B2/en not_active Expired - Lifetime
- 1986-07-30 MX MX003323A patent/MX165691B/en unknown
-
1990
- 1990-03-16 SE SE9000936A patent/SE465515B/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE3625775C2 (en) | 2003-07-03 |
JPH0781230B2 (en) | 1995-08-30 |
AU582455B2 (en) | 1989-03-23 |
KR870001254A (en) | 1987-03-12 |
MX165691B (en) | 1992-12-01 |
SE465515B (en) | 1991-09-23 |
JPS6284143A (en) | 1987-04-17 |
DE3625775A1 (en) | 1987-02-12 |
SE8603242D0 (en) | 1986-07-29 |
GB2178433A (en) | 1987-02-11 |
AU6048586A (en) | 1987-02-05 |
SE9000936D0 (en) | 1990-03-16 |
SE465368B (en) | 1991-09-02 |
GB2178433B (en) | 1989-07-19 |
FR2585713B1 (en) | 1994-01-14 |
KR950002385B1 (en) | 1995-03-17 |
FR2585713A1 (en) | 1987-02-06 |
GB8618642D0 (en) | 1986-09-10 |
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