CA1198561A - Blown bubble process for producing oriented thin films - Google Patents
Blown bubble process for producing oriented thin filmsInfo
- Publication number
- CA1198561A CA1198561A CA000403969A CA403969A CA1198561A CA 1198561 A CA1198561 A CA 1198561A CA 000403969 A CA000403969 A CA 000403969A CA 403969 A CA403969 A CA 403969A CA 1198561 A CA1198561 A CA 1198561A
- Authority
- CA
- Canada
- Prior art keywords
- interior surface
- milligrams
- surface layer
- per square
- product
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 230000008569 process Effects 0.000 title claims abstract description 37
- 239000010409 thin film Substances 0.000 title abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 78
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 229920000098 polyolefin Polymers 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 16
- 230000002829 reductive effect Effects 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 6
- 230000006872 improvement Effects 0.000 claims abstract description 5
- -1 polydimethylsiloxane Polymers 0.000 claims description 33
- 239000002344 surface layer Substances 0.000 claims description 22
- 239000004698 Polyethylene Substances 0.000 claims description 20
- 229920000573 polyethylene Polymers 0.000 claims description 20
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 14
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 14
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 11
- 239000010410 layer Substances 0.000 claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 229920001577 copolymer Polymers 0.000 claims description 5
- 229920001519 homopolymer Polymers 0.000 claims 4
- 150000001336 alkenes Chemical class 0.000 claims 3
- 239000004711 α-olefin Substances 0.000 claims 1
- 239000010408 film Substances 0.000 abstract description 34
- 239000007788 liquid Substances 0.000 abstract description 34
- 239000007921 spray Substances 0.000 abstract description 12
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 16
- 230000002411 adverse Effects 0.000 description 8
- 239000012467 final product Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 6
- 239000003595 mist Substances 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 235000013305 food Nutrition 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000001010 compromised effect Effects 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229920013716 polyethylene resin Polymers 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- 239000012260 resinous material Substances 0.000 description 2
- 235000006696 Catha edulis Nutrition 0.000 description 1
- 240000007681 Catha edulis Species 0.000 description 1
- 229920000426 Microplastic Polymers 0.000 description 1
- 241001074088 Urophycis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- HLWRUJAIJJEZDL-UHFFFAOYSA-M sodium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxymethyl)amino]acetate Chemical compound [Na+].OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC([O-])=O HLWRUJAIJJEZDL-UHFFFAOYSA-M 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
- B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/222—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of pipes
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
- B29C33/60—Releasing, lubricating or separating agents
- B29C33/62—Releasing, lubricating or separating agents based on polymers or oligomers
- B29C33/64—Silicone
-
- 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
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0067—Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
-
- 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
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
-
- 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
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- 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
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Measurement Of Radiation (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Polarising Elements (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Silicon Polymers (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Superconductors And Manufacturing Methods Therefor (AREA)
- Materials For Medical Uses (AREA)
- Prostheses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28901881A | 1981-07-31 | 1981-07-31 | |
| US289,018 | 1981-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1198561A true CA1198561A (en) | 1985-12-31 |
Family
ID=23109661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000403969A Expired CA1198561A (en) | 1981-07-31 | 1982-05-28 | Blown bubble process for producing oriented thin films |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0071349B1 (enExample) |
| JP (1) | JPS5827725A (enExample) |
| AT (1) | ATE22544T1 (enExample) |
| AU (1) | AU547933B2 (enExample) |
| BR (1) | BR8203761A (enExample) |
| CA (1) | CA1198561A (enExample) |
| DE (1) | DE3273558D1 (enExample) |
| DK (1) | DK161191C (enExample) |
| FI (1) | FI74904C (enExample) |
| NO (1) | NO822626L (enExample) |
| NZ (1) | NZ200767A (enExample) |
| ZA (1) | ZA823874B (enExample) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4617241A (en) * | 1984-01-23 | 1986-10-14 | W. R. Grace & Co., Cryovac Div. | Linear polyethylene stretch/shrink films |
| US4551380A (en) * | 1984-05-10 | 1985-11-05 | W. R. Grace & Co., Cryovac Div. | Oriented heat-sealable multilayer packaging film |
| US4514465A (en) * | 1984-05-30 | 1985-04-30 | W. R. Grace & Co., Cryovac Div. | Storm window film comprising at least five layers |
| US4643943A (en) * | 1984-05-30 | 1987-02-17 | W. R. Grace & Co., Cryovac Div. | Multi-layer polyolefin shrink film |
| DE3631231A1 (de) * | 1986-09-13 | 1988-03-24 | Hoechst Ag | Bedruckbare und beidseitig siegelbare, biaxial orientierte opake polyolefin-mehrschichtfolie, ihre herstellung und ihre verwendung |
| US5120888A (en) * | 1988-04-14 | 1992-06-09 | Kimberly-Clark Corporation | Surface-segregatable, melt-extrudable thermoplastic composition |
| US4976788A (en) * | 1988-06-03 | 1990-12-11 | Kimberly-Clark Corporation | Method of cleaning melt-processing equipment with a thermoplastic polyolefin and a bifunctional siloxane |
| GB2220372B (en) * | 1988-07-05 | 1992-02-05 | Courtaulds Films & Packaging | Polymeric films |
| US5114646A (en) * | 1989-09-18 | 1992-05-19 | Kimberly-Clark Corporation | Method of increasing the delay period of nonwoven webs having delayed wettability |
| US5641822A (en) * | 1989-09-18 | 1997-06-24 | Kimberly-Clark Corporation | Surface-segregatable compositions and nonwoven webs prepared therefrom |
| US5696191A (en) * | 1989-09-18 | 1997-12-09 | Kimberly-Clark Worldwide, Inc. | Surface-segregatable compositions and nonwoven webs prepared therefrom |
| EP0457926B1 (de) * | 1990-01-24 | 1992-11-11 | DÜRBECK GMBH & CO. KG | Verfahren und Vorrichtung zum Herstellen von Kunststoff-Schläuchen, -Rohren oder-Bahnen |
| DE4012628C2 (de) * | 1990-04-20 | 1995-01-05 | Wolff Walsrode Ag | Verfahren und Vorrichtung zur Herstellung von biaxial gereckten nahtlosen thermoplatischen Schlauchfolien |
| US5344862A (en) * | 1991-10-25 | 1994-09-06 | Kimberly-Clark Corporation | Thermoplastic compositions and nonwoven webs prepared therefrom |
| US5494855A (en) * | 1994-04-06 | 1996-02-27 | Kimberly-Clark Corporation | Thermoplastic compositions and nonwoven webs prepared therefrom |
| EP0679487A1 (en) * | 1994-04-28 | 1995-11-02 | W.R. Grace & Co.-Conn. | Multi-layer polyolefin film containing recycle polymer from cross-linked films |
| US5942326A (en) * | 1996-06-07 | 1999-08-24 | Cryovac, Inc. | Shrink film with good ink adhesion |
| US20020014717A1 (en) * | 1999-03-31 | 2002-02-07 | Susan Marie Kling | Process for producing thermoplastic films by blown film extrusion and films produced thereby |
| IT1306664B1 (it) | 1999-05-25 | 2001-10-02 | Bp Europack Spa | Procedimento per la realizzazione di un film in materia plastica concaratteristiche migliorate, attrezzatura per realizzare il |
| US7326751B2 (en) | 2003-12-01 | 2008-02-05 | Kimberly-Clark Worlwide, Inc. | Method of thermally processing elastomeric compositions and elastomeric compositions with improved processability |
| DE102005014474A1 (de) * | 2005-03-27 | 2006-10-05 | Huhtamaki Forchheim Zweigniederlassung Der Huhtamaki Deutschland Gmbh & Co. Kg | Verfahren zum Herstellen einer gereckten Kunststoff-Folie |
| DE102006007482B4 (de) * | 2006-02-17 | 2014-06-18 | Leadx Ag | Vorrichtung und Verfahren zur Herstellung einer rohrförmigen Umhüllung |
| RU2582398C2 (ru) | 2010-08-31 | 2016-04-27 | Инфиана Джермени ГмбХ унд Ко. КГ | Способ изготовления полимерной пленки с покрытием из отвержденного полисилоксана |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL265442A (enExample) * | 1960-06-01 | 1900-01-01 | ||
| US3280233A (en) * | 1964-12-18 | 1966-10-18 | Dow Chemical Co | Manufacturing coated plastic film tube |
| GB1176204A (en) * | 1967-01-27 | 1970-01-01 | Ici Ltd | Coated Films |
| US3576658A (en) * | 1968-05-28 | 1971-04-27 | Kohjin Co | Manufacturing process of simultaneously biaxially oriented thermoplastic resin film with coated surface |
| US3560602A (en) * | 1968-07-29 | 1971-02-02 | Dow Chemical Co | Method of preparing chloroethylene polymer film having a permanent,non-transferable high slip surface and an opposed low slip surface |
| JPS511454B2 (enExample) * | 1972-10-07 | 1976-01-17 | ||
| US3960810A (en) * | 1973-06-23 | 1976-06-01 | Dow Corning Limited | Coating process |
-
1982
- 1982-05-27 NZ NZ200767A patent/NZ200767A/en unknown
- 1982-05-28 CA CA000403969A patent/CA1198561A/en not_active Expired
- 1982-06-02 ZA ZA823874A patent/ZA823874B/xx unknown
- 1982-06-04 AU AU84498/82A patent/AU547933B2/en not_active Ceased
- 1982-06-28 BR BR8203761A patent/BR8203761A/pt unknown
- 1982-07-02 AT AT82303495T patent/ATE22544T1/de not_active IP Right Cessation
- 1982-07-02 DE DE8282303495T patent/DE3273558D1/de not_active Expired
- 1982-07-02 EP EP82303495A patent/EP0071349B1/en not_active Expired
- 1982-07-21 JP JP57125967A patent/JPS5827725A/ja active Granted
- 1982-07-30 FI FI822676A patent/FI74904C/fi not_active IP Right Cessation
- 1982-07-30 NO NO822626A patent/NO822626L/no unknown
- 1982-07-30 DK DK342582A patent/DK161191C/da active
Also Published As
| Publication number | Publication date |
|---|---|
| NO822626L (no) | 1983-02-01 |
| EP0071349B1 (en) | 1986-10-01 |
| FI74904C (fi) | 1988-04-11 |
| BR8203761A (pt) | 1983-06-21 |
| DK161191C (da) | 1991-11-25 |
| EP0071349A2 (en) | 1983-02-09 |
| EP0071349A3 (en) | 1983-12-07 |
| JPS5827725A (ja) | 1983-02-18 |
| DK161191B (da) | 1991-06-10 |
| JPH0233510B2 (enExample) | 1990-07-27 |
| NZ200767A (en) | 1986-04-11 |
| DK342582A (da) | 1983-02-01 |
| FI822676L (fi) | 1983-02-01 |
| ZA823874B (en) | 1983-09-28 |
| AU547933B2 (en) | 1985-11-14 |
| DE3273558D1 (en) | 1986-11-06 |
| FI822676A0 (fi) | 1982-07-30 |
| ATE22544T1 (de) | 1986-10-15 |
| FI74904B (fi) | 1987-12-31 |
| AU8449882A (en) | 1983-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |