CA1207666A - Process for the production of a pharmaceutical preparation in the form of a polyacrylate film - Google Patents
Process for the production of a pharmaceutical preparation in the form of a polyacrylate filmInfo
- Publication number
- CA1207666A CA1207666A CA000421171A CA421171A CA1207666A CA 1207666 A CA1207666 A CA 1207666A CA 000421171 A CA000421171 A CA 000421171A CA 421171 A CA421171 A CA 421171A CA 1207666 A CA1207666 A CA 1207666A
- Authority
- CA
- Canada
- Prior art keywords
- film
- polyacrylate
- pharmaceutical
- solvents
- 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
- 229920000058 polyacrylate Polymers 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000825 pharmaceutical preparation Substances 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 239000002904 solvent Substances 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 15
- 238000001035 drying Methods 0.000 claims abstract description 8
- 239000003814 drug Substances 0.000 claims abstract description 7
- 229920000126 latex Polymers 0.000 claims abstract description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920001577 copolymer Polymers 0.000 claims abstract description 6
- 239000004816 latex Substances 0.000 claims abstract description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000003960 organic solvent Substances 0.000 claims abstract description 4
- 125000004494 ethyl ester group Chemical group 0.000 claims abstract description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 3
- 239000012456 homogeneous solution Substances 0.000 claims abstract 2
- 238000009835 boiling Methods 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 6
- 230000007774 longterm Effects 0.000 abstract description 2
- 229940070721 polyacrylate Drugs 0.000 description 28
- 239000013543 active substance Substances 0.000 description 21
- GJSURZIOUXUGAL-UHFFFAOYSA-N Clonidine Chemical compound ClC1=CC=CC(Cl)=C1NC1=NCCN1 GJSURZIOUXUGAL-UHFFFAOYSA-N 0.000 description 14
- 229960002896 clonidine Drugs 0.000 description 14
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 229930000680 A04AD01 - Scopolamine Natural products 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- STECJAGHUSJQJN-GAUPFVANSA-N Hyoscine Natural products C1([C@H](CO)C(=O)OC2C[C@@H]3N([C@H](C2)[C@@H]2[C@H]3O2)C)=CC=CC=C1 STECJAGHUSJQJN-GAUPFVANSA-N 0.000 description 3
- AFVFQIVMOAPDHO-UHFFFAOYSA-M Methanesulfonate Chemical compound CS([O-])(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-M 0.000 description 3
- STECJAGHUSJQJN-UHFFFAOYSA-N N-Methyl-scopolamin Natural products C1C(C2C3O2)N(C)C3CC1OC(=O)C(CO)C1=CC=CC=C1 STECJAGHUSJQJN-UHFFFAOYSA-N 0.000 description 3
- HESHRHUZIWVEAJ-JGRZULCMSA-N dihydroergotamine Chemical compound C([C@H]1C(=O)N2CCC[C@H]2[C@]2(O)O[C@@](C(N21)=O)(C)NC(=O)[C@H]1CN([C@H]2[C@@H](C3=CC=CC4=NC=C([C]34)C2)C1)C)C1=CC=CC=C1 HESHRHUZIWVEAJ-JGRZULCMSA-N 0.000 description 3
- 229960004704 dihydroergotamine Drugs 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- STECJAGHUSJQJN-FWXGHANASA-N scopolamine Chemical compound C1([C@@H](CO)C(=O)O[C@H]2C[C@@H]3N([C@H](C2)[C@@H]2[C@H]3O2)C)=CC=CC=C1 STECJAGHUSJQJN-FWXGHANASA-N 0.000 description 3
- 229960002646 scopolamine Drugs 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 229940008309 acetone / ethanol Drugs 0.000 description 2
- 229940048053 acrylate Drugs 0.000 description 2
- 229940114077 acrylic acid Drugs 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 229940093499 ethyl acetate Drugs 0.000 description 2
- 235000019439 ethyl acetate Nutrition 0.000 description 2
- 238000000338 in vitro Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- QEVGZEDELICMKH-UHFFFAOYSA-N Diglycolic acid Chemical compound OC(=O)COCC(O)=O QEVGZEDELICMKH-UHFFFAOYSA-N 0.000 description 1
- 229920003148 Eudragit® E polymer Polymers 0.000 description 1
- 229920003134 Eudragit® polymer Polymers 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- NDAUXUAQIAJITI-UHFFFAOYSA-N albuterol Chemical compound CC(C)(C)NCC(O)C1=CC=C(O)C(CO)=C1 NDAUXUAQIAJITI-UHFFFAOYSA-N 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- NEDGUIRITORSKL-UHFFFAOYSA-N butyl 2-methylprop-2-enoate;2-(dimethylamino)ethyl 2-methylprop-2-enoate;methyl 2-methylprop-2-enoate Chemical compound COC(=O)C(C)=C.CCCCOC(=O)C(C)=C.CN(C)CCOC(=O)C(C)=C NEDGUIRITORSKL-UHFFFAOYSA-N 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229940124558 contraceptive agent Drugs 0.000 description 1
- 239000003433 contraceptive agent Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000004108 freeze drying Methods 0.000 description 1
- 150000005826 halohydrocarbons Chemical class 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7023—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms
- A61K9/703—Transdermal patches and similar drug-containing composite devices, e.g. cataplasms characterised by shape or structure; Details concerning release liner or backing; Refillable patches; User-activated patches
- A61K9/7038—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer
- A61K9/7046—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds
- A61K9/7053—Transdermal patches of the drug-in-adhesive type, i.e. comprising drug in the skin-adhesive layer the adhesive comprising macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds, e.g. polyvinyl, polyisobutylene, polystyrene
- A61K9/7061—Polyacrylates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/70—Web, sheet or filament bases ; Films; Fibres of the matrix type containing drug
- A61K9/7007—Drug-containing films, membranes or sheets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L26/00—Chemical aspects of, or use of materials for, wound dressings or bandages in liquid, gel or powder form
- A61L26/0061—Use of materials characterised by their function or physical properties
- A61L26/0076—Sprayable compositions
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Medicinal Chemistry (AREA)
- Dermatology (AREA)
- Materials Engineering (AREA)
- Medicinal Preparation (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
- Materials For Medical Uses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP3204551.4 | 1982-02-10 | ||
| DE19823204551 DE3204551A1 (de) | 1982-02-10 | 1982-02-10 | Verfahren zur herstellung einer pharmazeutischen zubereitung in form eines polyacrylat-films |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1207666A true CA1207666A (en) | 1986-07-15 |
Family
ID=6155259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000421171A Expired CA1207666A (en) | 1982-02-10 | 1983-02-09 | Process for the production of a pharmaceutical preparation in the form of a polyacrylate film |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4490322A (OSRAM) |
| EP (1) | EP0086997B1 (OSRAM) |
| JP (1) | JPS58190444A (OSRAM) |
| AT (1) | ATE29836T1 (OSRAM) |
| AU (1) | AU551621B2 (OSRAM) |
| CA (1) | CA1207666A (OSRAM) |
| DD (1) | DD209574A5 (OSRAM) |
| DE (2) | DE3204551A1 (OSRAM) |
| DK (1) | DK159956C (OSRAM) |
| ES (1) | ES8403721A1 (OSRAM) |
| FI (1) | FI77372C (OSRAM) |
| GB (1) | GB2115280B (OSRAM) |
| IL (1) | IL67858A0 (OSRAM) |
| NO (1) | NO160901C (OSRAM) |
| PL (1) | PL140866B1 (OSRAM) |
| ZA (1) | ZA83897B (OSRAM) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4584231A (en) * | 1983-12-02 | 1986-04-22 | Vcf Packaging Films, Inc. | Solvent cast acrylic film |
| US5364628A (en) * | 1985-05-31 | 1994-11-15 | Sandoz Ltd. | Pharmaceutical compositions |
| JPS60188315A (ja) * | 1984-03-07 | 1985-09-25 | Yamanouchi Pharmaceut Co Ltd | グリチルレチン酸配合鎮痒プラスター |
| IL72684A (en) * | 1984-08-14 | 1989-02-28 | Israel State | Pharmaceutical compositions for controlled transdermal delivery of cholinergic or anticholinergic basic drugs |
| US4720384A (en) * | 1985-05-03 | 1988-01-19 | E. I. Du Pont De Nemours And Company | Manufacture of hollow fine tubular drug delivery systems |
| CH666405A5 (de) * | 1985-06-24 | 1988-07-29 | Ciba Geigy Ag | Feste, haltbare darreichungsformen mit elastischem filmueberzug. |
| DE3525767A1 (de) * | 1985-07-19 | 1987-01-22 | Boehringer Ingelheim Kg | Pharmazeutische zubereitung mit kontrollierter und verzoegerter wirkstofffreigabe und verfahren zu deren herstellung |
| US4826686A (en) * | 1985-12-14 | 1989-05-02 | Boehringer Ingelheim Kg | Therapeutic system |
| US4765939A (en) * | 1986-10-10 | 1988-08-23 | Hoechst Celanese Corporation | Process for preparing ultrathin polymethylmethacrylate polymer films |
| US4906475A (en) * | 1988-02-16 | 1990-03-06 | Paco Pharmaceutical Services | Estradiol transdermal delivery system |
| US4877618A (en) * | 1988-03-18 | 1989-10-31 | Reed Jr Fred D | Transdermal drug delivery device |
| DE4032096C2 (de) * | 1990-10-10 | 1995-03-30 | Boehringer Ingelheim Kg | Verwendung emulgatorfreier Emulsionspolymere in pharmazeutischen Zubereitungen mit verzögerter Wirkstofffreigabe |
| CA2053005A1 (en) * | 1990-10-10 | 1992-04-11 | Achim Gopferich | Emulsifier-free emulsion polymers |
| EP0707465A4 (en) * | 1993-07-08 | 1997-04-16 | Cygnus Therapeutic Systems | MONOLITHIC MATRIX TRANSDERMAL DELIVERY SYSTEM |
| DE4336299A1 (de) * | 1993-10-25 | 1995-05-11 | Arbo Robotron Medizin Technolo | Gelkörper zur percutanen Verabreichung, insbesondere von Medikamenten |
| DE10114247A1 (de) * | 2001-03-22 | 2002-10-10 | Heraeus Kulzer Gmbh & Co Kg | Antibiotikum-/Antibiotika-Polymer-Kombination |
| WO2003075968A2 (en) * | 2002-03-04 | 2003-09-18 | Georgia Tech Research Corporation | Biocompatible hydrophilic films from polymeric mini-emulsions for application to skin |
| ATE528370T1 (de) | 2005-03-17 | 2011-10-15 | Pharmafilm S R L | Wässriges polymersystem zur herstellung einer haftklebematrix |
| US20080226698A1 (en) | 2007-03-16 | 2008-09-18 | Mylan Technologies, Inc. | Amorphous drug transdermal systems, manufacturing methods, and stabilization |
| US20110182949A1 (en) * | 2008-05-30 | 2011-07-28 | Jiashang Tang | Stabilized transdermal drug delivery system |
| BRPI0913415B1 (pt) | 2008-06-04 | 2019-09-10 | Gordhanbhai Nathalal Patel | sistema indicador |
| CA2739380C (en) * | 2008-10-06 | 2014-12-09 | Mylan Technologies, Inc. | Amorphous rotigotine transdermal system |
| WO2014154891A1 (en) | 2013-03-29 | 2014-10-02 | Centre National De La Recherche Scientifique (Cnrs) | Cgrp receptor agonist for hiv treatment or prevention |
| JP6220893B2 (ja) * | 2013-12-09 | 2017-10-25 | 久光製薬株式会社 | クロニジン含有貼付剤 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA921629A (en) * | 1969-02-17 | 1973-02-20 | The Dow Chemical Company | Compositions and products thereof for retaining effect agents in a filmiform layer |
| DE2214306A1 (de) * | 1972-03-24 | 1973-09-27 | Dynamit Nobel Ag | Wundfilm-spray |
| US4136145A (en) * | 1974-07-05 | 1979-01-23 | Schering Aktiengesellschaft | Medicament carriers in the form of film having active substance incorporated therein |
| SE7702990L (sv) * | 1976-03-19 | 1977-09-20 | Minnesota Mining & Mfg | Tropiskt administreringssystem for lekemedel med forsterkt peutreringsformaga |
| DE2920500A1 (de) * | 1979-05-21 | 1980-11-27 | Boehringer Sohn Ingelheim | Pharmazeutische zubereitung in form eines polyacrylatfilmes |
-
1982
- 1982-02-10 DE DE19823204551 patent/DE3204551A1/de not_active Withdrawn
-
1983
- 1983-01-29 EP EP83100850A patent/EP0086997B1/de not_active Expired
- 1983-01-29 AT AT83100850T patent/ATE29836T1/de not_active IP Right Cessation
- 1983-01-29 DE DE8383100850T patent/DE3373781D1/de not_active Expired
- 1983-02-03 US US06/463,589 patent/US4490322A/en not_active Expired - Lifetime
- 1983-02-07 FI FI830404A patent/FI77372C/fi not_active IP Right Cessation
- 1983-02-08 DD DD83247793A patent/DD209574A5/de not_active IP Right Cessation
- 1983-02-08 IL IL67858A patent/IL67858A0/xx not_active IP Right Cessation
- 1983-02-09 ZA ZA83897A patent/ZA83897B/xx unknown
- 1983-02-09 AU AU11252/83A patent/AU551621B2/en not_active Expired
- 1983-02-09 DK DK054383A patent/DK159956C/da not_active IP Right Cessation
- 1983-02-09 NO NO830424A patent/NO160901C/no not_active IP Right Cessation
- 1983-02-09 ES ES519646A patent/ES8403721A1/es not_active Expired
- 1983-02-09 CA CA000421171A patent/CA1207666A/en not_active Expired
- 1983-02-09 JP JP58020535A patent/JPS58190444A/ja active Granted
- 1983-02-09 PL PL1983240497A patent/PL140866B1/pl unknown
- 1983-02-10 GB GB08303727A patent/GB2115280B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES519646A0 (es) | 1984-04-01 |
| ZA83897B (en) | 1984-10-31 |
| PL140866B1 (en) | 1987-06-30 |
| NO160901C (no) | 1989-06-14 |
| DD209574A5 (de) | 1984-05-16 |
| DK159956B (da) | 1991-01-07 |
| DE3373781D1 (en) | 1987-10-29 |
| FI77372B (fi) | 1988-11-30 |
| EP0086997A2 (de) | 1983-08-31 |
| GB8303727D0 (en) | 1983-03-16 |
| GB2115280B (en) | 1985-05-22 |
| FI77372C (fi) | 1989-03-10 |
| NO160901B (no) | 1989-03-06 |
| JPH047322B2 (OSRAM) | 1992-02-10 |
| FI830404L (fi) | 1983-08-11 |
| EP0086997A3 (en) | 1985-04-10 |
| EP0086997B1 (de) | 1987-09-23 |
| FI830404A0 (fi) | 1983-02-07 |
| JPS58190444A (ja) | 1983-11-07 |
| PL240497A1 (en) | 1984-06-18 |
| DK54383D0 (da) | 1983-02-09 |
| ATE29836T1 (de) | 1987-10-15 |
| ES8403721A1 (es) | 1984-04-01 |
| DK54383A (da) | 1983-08-11 |
| DK159956C (da) | 1991-05-27 |
| DE3204551A1 (de) | 1983-08-18 |
| NO830424L (no) | 1983-08-11 |
| US4490322A (en) | 1984-12-25 |
| IL67858A0 (en) | 1983-06-15 |
| AU551621B2 (en) | 1986-05-08 |
| AU1125283A (en) | 1983-08-18 |
| GB2115280A (en) | 1983-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |