CA1129729A - Tubular packaging sheath and process for its manufacture - Google Patents
Tubular packaging sheath and process for its manufactureInfo
- Publication number
- CA1129729A CA1129729A CA328,107A CA328107A CA1129729A CA 1129729 A CA1129729 A CA 1129729A CA 328107 A CA328107 A CA 328107A CA 1129729 A CA1129729 A CA 1129729A
- Authority
- CA
- Canada
- Prior art keywords
- liquid
- weight
- chemical
- packaging material
- mixture
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 238000000034 method Methods 0.000 title claims description 19
- 238000004806 packaging method and process Methods 0.000 title claims description 11
- 239000000126 substance Substances 0.000 claims abstract description 57
- 239000000203 mixture Substances 0.000 claims abstract description 37
- 239000000835 fiber Substances 0.000 claims abstract description 35
- 238000004040 coloring Methods 0.000 claims abstract description 26
- 229920005989 resin Polymers 0.000 claims abstract description 20
- 239000011347 resin Substances 0.000 claims abstract description 20
- 239000005022 packaging material Substances 0.000 claims abstract description 16
- 125000002091 cationic group Chemical group 0.000 claims abstract description 13
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 239000011230 binding agent Substances 0.000 claims abstract description 7
- 235000013580 sausages Nutrition 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 57
- 150000001875 compounds Chemical class 0.000 claims description 29
- 239000000470 constituent Substances 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 23
- 229920000297 Rayon Polymers 0.000 claims description 15
- 229920000768 polyamine Polymers 0.000 claims description 14
- 230000000875 corresponding effect Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 8
- 229920000877 Melamine resin Polymers 0.000 claims description 8
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- IVJISJACKSSFGE-UHFFFAOYSA-N formaldehyde;1,3,5-triazine-2,4,6-triamine Chemical compound O=C.NC1=NC(N)=NC(N)=N1 IVJISJACKSSFGE-UHFFFAOYSA-N 0.000 claims description 7
- 239000004627 regenerated cellulose Substances 0.000 claims description 6
- 229920006122 polyamide resin Polymers 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 4
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 239000004408 titanium dioxide Substances 0.000 claims description 4
- 239000000057 synthetic resin Substances 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 230000001172 regenerating effect Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 claims 5
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims 5
- 239000004411 aluminium Substances 0.000 claims 3
- 239000006229 carbon black Substances 0.000 claims 3
- 102000034240 fibrous proteins Human genes 0.000 claims 1
- 108091005899 fibrous proteins Proteins 0.000 claims 1
- 229960004279 formaldehyde Drugs 0.000 claims 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N formaldehyde Substances O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims 1
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 239000011147 inorganic material Substances 0.000 claims 1
- 150000002894 organic compounds Chemical class 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000002253 acid Substances 0.000 description 9
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 7
- 229920002678 cellulose Polymers 0.000 description 7
- 239000001913 cellulose Substances 0.000 description 7
- 239000004952 Polyamide Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 229920002647 polyamide Polymers 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- -1 aliphatic alco-hols Chemical class 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 150000001299 aldehydes Chemical class 0.000 description 2
- 125000005263 alkylenediamine group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000013043 chemical agent Substances 0.000 description 2
- 239000007859 condensation product Substances 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000003039 volatile agent Substances 0.000 description 2
- WWYNJERNGUHSAO-XUDSTZEESA-N (+)-Norgestrel Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](CC)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 WWYNJERNGUHSAO-XUDSTZEESA-N 0.000 description 1
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical group NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 241000011102 Thera Species 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- LZCDAPDGXCYOEH-UHFFFAOYSA-N adapalene Chemical compound C1=C(C(O)=O)C=CC2=CC(C3=CC=C(C(=C3)C34CC5CC(CC(C5)C3)C4)OC)=CC=C21 LZCDAPDGXCYOEH-UHFFFAOYSA-N 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- XENVCRGQTABGKY-ZHACJKMWSA-N chlorohydrin Chemical compound CC#CC#CC#CC#C\C=C\C(Cl)CO XENVCRGQTABGKY-ZHACJKMWSA-N 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 229940002658 differin Drugs 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- GKQPCPXONLDCMU-CCEZHUSRSA-N lacidipine Chemical compound CCOC(=O)C1=C(C)NC(C)=C(C(=O)OCC)C1C1=CC=CC=C1\C=C\C(=O)OC(C)(C)C GKQPCPXONLDCMU-CCEZHUSRSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- KMBPCQSCMCEPMU-UHFFFAOYSA-N n'-(3-aminopropyl)-n'-methylpropane-1,3-diamine Chemical compound NCCCN(C)CCCN KMBPCQSCMCEPMU-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 150000003141 primary amines Chemical group 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22C—PROCESSING MEAT, POULTRY, OR FISH
- A22C13/00—Sausage casings
- A22C13/0013—Chemical composition of synthetic sausage casings
-
- 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
- Y10S206/00—Special receptacle or package
- Y10S206/802—Shirred sausage casing
-
- 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
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1324—Flexible food casing [e.g., sausage type, etc.]
-
- 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]
- Y10T428/31942—Of aldehyde or ketone condensation product
- Y10T428/31949—Next to cellulosic
- Y10T428/31953—Modified or regenerated cellulose
-
- 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]
- Y10T428/31971—Of carbohydrate
- Y10T428/31975—Of cellulosic next to another carbohydrate
- Y10T428/31978—Cellulosic next to another cellulosic
- Y10T428/31986—Regenerated or modified
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Paper (AREA)
- Bag Frames (AREA)
- Processing Of Meat And Fish (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19782822886 DE2822886A1 (de) | 1978-05-26 | 1978-05-26 | Schlauchfoermige verpackungshuelle auf basis von cellulosehydrat mit fasereinlage in der huellenwand und optisch wirksamer chemischer verbindung auf der oberflaeche derselben sowie verfahren zu ihrer herstellung |
| DEP2822886.6 | 1978-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1129729A true CA1129729A (en) | 1982-08-17 |
Family
ID=6040168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA328,107A Expired CA1129729A (en) | 1978-05-26 | 1979-05-23 | Tubular packaging sheath and process for its manufacture |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4289171A (enExample) |
| EP (1) | EP0005765B1 (enExample) |
| JP (1) | JPS54156786A (enExample) |
| BR (1) | BR7903267A (enExample) |
| CA (1) | CA1129729A (enExample) |
| DE (2) | DE2822886A1 (enExample) |
| FI (1) | FI65698C (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3030036A1 (de) * | 1980-08-08 | 1982-05-06 | Hoechst Ag, 6000 Frankfurt | Schlauchfoermige verpackungshuelle aus cellulosehydrat mit wasserdampfungurchlaesigem filmueberzug aus synthetischem polymerisat auf der aussen- und haftvermittelnder, fuer wasser durchlaessiger schicht aus synthetischem, waermegehaertetem chemischem kondensationsprodukt auf der innenseite |
| DE3030035A1 (de) * | 1980-08-08 | 1982-03-11 | Hoechst Ag, 6000 Frankfurt | Schlauchfoermige verpackungshuelle aus cellulosehydrat mit niedrigem quellwert, bei der die schlauchwand waermegehaertetes wasserunloesliches synthetisches chemisches kondensationsprodukt umfasst, als kuenstliche wursthaut fuer dauerwurst |
| US4569164A (en) * | 1983-04-08 | 1986-02-11 | Advanced Equipment Corp. | Operable wall system |
| DE3328947A1 (de) * | 1983-08-11 | 1985-02-28 | Hoechst Ag, 6230 Frankfurt | Schimmelresistentes huellenmaterial |
| ZA851302B (en) * | 1984-03-29 | 1985-10-30 | Tee Pak Inc | Process for color coating cellulosic casings |
| US4967798A (en) * | 1987-04-24 | 1990-11-06 | Hoechst Aktiengesellschaft | Packaging casing based on cellulose having improved processing characteristics |
| DE3713712A1 (de) * | 1987-04-24 | 1988-11-17 | Hoechst Ag | Verpackungshuelle, insbesondere wursthuelle, auf basis von cellulose mit verbessertem verarbeitungsverhalten |
| CA2110096C (en) * | 1993-07-23 | 1999-11-02 | Eric M. J. Verschueren | Fibrous food casings having modified release properties and methods of manufacture |
| RU2182107C1 (ru) | 2001-03-30 | 2002-05-10 | Общество С Ограниченной Ответственностью Производственно-Коммерческая Фирма "Атлантис-Пак" | Полимерная пленка для пищевых продуктов и упаковка из этой пленки |
| US20090155430A1 (en) * | 2007-12-14 | 2009-06-18 | E.I. Du Pont De Nemours And Company | Films comprising liquid smoke and flavorants |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB386644A (en) | 1931-04-08 | 1933-01-09 | Leo A Goodman | Improvements in and relating to sausage casings and other containers for edible products |
| US2866710A (en) * | 1955-07-13 | 1958-12-30 | Tee Pak Inc | Coated sausage casing |
| NL300024A (enExample) * | 1962-12-28 | 1900-01-01 | ||
| US3378379A (en) * | 1963-05-21 | 1968-04-16 | Union Carbide Corp | Food casing and method of producing same |
| US3484256A (en) * | 1967-01-31 | 1969-12-16 | Union Carbide Corp | Fibrous food casings and method of producing same |
| US3539361A (en) * | 1968-01-15 | 1970-11-10 | Tee Pak Inc | Method of improving crocking fastness of dyed cellulose sausage casing |
| DE2259671A1 (de) * | 1972-12-06 | 1974-06-12 | Kalle Ag | Schlauchfoermige huelle aus cellulosehydrat mit fett- und wasserabweisender innenflaeche sowie verfahren zu ihrer herstellung |
| DE2312385A1 (de) * | 1973-03-13 | 1974-10-17 | Becker & Co Naturinwerk | Mit essbarem farbstoff eingefaerbte essbare wursthuelle und verfahren zu ihrer herstellung |
| US3935320A (en) * | 1973-04-04 | 1976-01-27 | Union Carbide Corporation | Tubular cellulosic casing with cationic thermosetting resin coating |
| DE2539706B2 (de) * | 1975-09-06 | 1978-11-02 | Wolff Walsrode Ag, 3030 Walsrode | Verfahren zum Herstellen einer faserverstärkten metallschinunerpigmentierten Schlauchhülle und ihre Verwendung |
-
1978
- 1978-05-26 DE DE19782822886 patent/DE2822886A1/de not_active Withdrawn
-
1979
- 1979-05-17 DE DE7979101510T patent/DE2961355D1/de not_active Expired
- 1979-05-17 EP EP79101510A patent/EP0005765B1/de not_active Expired
- 1979-05-23 CA CA328,107A patent/CA1129729A/en not_active Expired
- 1979-05-24 FI FI791648A patent/FI65698C/fi not_active IP Right Cessation
- 1979-05-24 JP JP6330679A patent/JPS54156786A/ja active Granted
- 1979-05-25 BR BR7903267A patent/BR7903267A/pt unknown
- 1979-05-29 US US06/043,103 patent/US4289171A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2961355D1 (en) | 1982-01-21 |
| US4289171A (en) | 1981-09-15 |
| DE2822886A1 (de) | 1979-11-29 |
| EP0005765A1 (de) | 1979-12-12 |
| BR7903267A (pt) | 1979-12-11 |
| FI65698C (fi) | 1984-07-10 |
| FI65698B (fi) | 1984-03-30 |
| JPS6358540B2 (enExample) | 1988-11-16 |
| EP0005765B1 (de) | 1981-11-18 |
| FI791648A7 (fi) | 1979-11-27 |
| JPS54156786A (en) | 1979-12-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |