FR2482129A1 - Appareil pour effectuer une fermentation ou une reaction en continu - Google Patents
Appareil pour effectuer une fermentation ou une reaction en continu Download PDFInfo
- Publication number
- FR2482129A1 FR2482129A1 FR8104349A FR8104349A FR2482129A1 FR 2482129 A1 FR2482129 A1 FR 2482129A1 FR 8104349 A FR8104349 A FR 8104349A FR 8104349 A FR8104349 A FR 8104349A FR 2482129 A1 FR2482129 A1 FR 2482129A1
- Authority
- FR
- France
- Prior art keywords
- reactor
- unit
- gas
- solution
- liquid
- 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.)
- Granted
Links
- 238000000855 fermentation Methods 0.000 title abstract description 19
- 230000004151 fermentation Effects 0.000 title abstract description 18
- 238000006243 chemical reaction Methods 0.000 title abstract description 10
- 239000007788 liquid Substances 0.000 abstract description 24
- 239000011261 inert gas Substances 0.000 abstract description 6
- 238000003874 inverse correlation nuclear magnetic resonance spectroscopy Methods 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 45
- 239000007789 gas Substances 0.000 description 45
- 239000000243 solution Substances 0.000 description 28
- 210000004027 cell Anatomy 0.000 description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 10
- 235000014680 Saccharomyces cerevisiae Nutrition 0.000 description 10
- 239000000758 substrate Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 8
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 7
- 239000008103 glucose Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 210000005253 yeast cell Anatomy 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 108090000790 Enzymes Proteins 0.000 description 4
- 102000004190 Enzymes Human genes 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 210000001822 immobilized cell Anatomy 0.000 description 4
- 235000013379 molasses Nutrition 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 229930006000 Sucrose Natural products 0.000 description 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000012527 feed solution Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 210000003739 neck Anatomy 0.000 description 3
- 239000005720 sucrose Substances 0.000 description 3
- 229930091371 Fructose Natural products 0.000 description 2
- 239000005715 Fructose Substances 0.000 description 2
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 2
- 244000061456 Solanum tuberosum Species 0.000 description 2
- 235000002595 Solanum tuberosum Nutrition 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 239000011942 biocatalyst Substances 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229920002401 polyacrylamide Polymers 0.000 description 2
- 235000012015 potatoes Nutrition 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- PJVXUVWGSCCGHT-ZPYZYFCMSA-N (2r,3s,4r,5r)-2,3,4,5,6-pentahydroxyhexanal;(3s,4r,5r)-1,3,4,5,6-pentahydroxyhexan-2-one Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O.OC[C@@H](O)[C@@H](O)[C@H](O)C(=O)CO PJVXUVWGSCCGHT-ZPYZYFCMSA-N 0.000 description 1
- 239000004382 Amylase Substances 0.000 description 1
- 108010073178 Glucan 1,4-alpha-Glucosidase Proteins 0.000 description 1
- 102100022624 Glucoamylase Human genes 0.000 description 1
- 108010093096 Immobilized Enzymes Proteins 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 235000003534 Saccharomyces carlsbergensis Nutrition 0.000 description 1
- 241001123227 Saccharomyces pastorianus Species 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 150000002016 disaccharides Chemical class 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000019534 high fructose corn syrup Nutrition 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002772 monosaccharides Chemical class 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000020374 simple syrup Nutrition 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/58—Reaction vessels connected in series or in parallel
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/02—Form or structure of the vessel
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/06—Nozzles; Sprayers; Spargers; Diffusers
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/813—Continuous fermentation
-
- 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
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/818—Aeration or oxygen transfer technique
-
- 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
- Y10S435/00—Chemistry: molecular biology and microbiology
- Y10S435/819—Fermentation vessels in series
Landscapes
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical & Material Sciences (AREA)
- Zoology (AREA)
- Wood Science & Technology (AREA)
- Sustainable Development (AREA)
- Microbiology (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- Biochemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Clinical Laboratory Science (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2772480A JPS56124378A (en) | 1980-03-04 | 1980-03-04 | Continuous fermentation reaction apparatus |
| JP9350280A JPS599211B2 (ja) | 1980-07-08 | 1980-07-08 | 三相流動層 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2482129A1 true FR2482129A1 (fr) | 1981-11-13 |
| FR2482129B1 FR2482129B1 (OSRAM) | 1984-11-02 |
Family
ID=26365681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8104349A Granted FR2482129A1 (fr) | 1980-03-04 | 1981-03-04 | Appareil pour effectuer une fermentation ou une reaction en continu |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4337315A (OSRAM) |
| BR (1) | BR8101155A (OSRAM) |
| CA (1) | CA1160974A (OSRAM) |
| DE (1) | DE3039874C2 (OSRAM) |
| FR (1) | FR2482129A1 (OSRAM) |
| GB (1) | GB2073243B (OSRAM) |
| PH (1) | PH16807A (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986000636A1 (en) * | 1984-07-10 | 1986-01-30 | Selby John Starkie | Cell growth |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5001066A (en) * | 1982-01-18 | 1991-03-19 | Phillips Petroleum Company | Method for carrying out sparged reaction |
| CH663422A5 (de) * | 1982-05-27 | 1987-12-15 | Chemap Ag | Verfahren und fermenter zur zuechtung von gewebezellen. |
| US4665027A (en) * | 1983-11-03 | 1987-05-12 | Bio-Process Innovation, Inc. | Immobilized cell reactor-separator with simultaneous product separation and methods for design and use thereof |
| GB8407828D0 (en) * | 1984-03-27 | 1984-05-02 | Ontario Research Foundation | In situ preparation |
| EP0215820A1 (en) * | 1985-02-28 | 1987-04-01 | Verax Corporation | Fluidized bioreactor and cell cultivation process |
| US4978616A (en) * | 1985-02-28 | 1990-12-18 | Verax Corporation | Fluidized cell cultivation process |
| US4649117A (en) * | 1985-03-15 | 1987-03-10 | Hoffmann-La Roche Inc. | Air lift bioreactor |
| US5185255A (en) * | 1986-05-09 | 1993-02-09 | Rikagaku Kenkyusho | Cell culture method |
| DE3625698A1 (de) * | 1986-07-30 | 1988-02-18 | Hoechst Ag | Sterilisierbarer wirbelschichtfermenter |
| JPS63133978A (ja) * | 1986-11-26 | 1988-06-06 | Rikagaku Kenkyusho | 細胞培養装置 |
| US5081036A (en) * | 1987-01-23 | 1992-01-14 | Hoffmann-La Roche Inc. | Method and apparatus for cell culture |
| GB2203670B (en) * | 1987-04-10 | 1991-05-01 | Torftech Ltd | Process on or with liquid |
| DE4010523A1 (de) * | 1990-04-02 | 1991-10-10 | Henkel Kgaa | Anaerobes fermentationsverfahren |
| DE19851359A1 (de) * | 1998-11-07 | 2000-05-11 | Franz Pobo | Verfahren und Vorrichtung zur physikalischen Behandlung von Fluiden |
| GB2433266A (en) * | 2005-12-16 | 2007-06-20 | Kevin Andrew Auton | Cell culture vessel |
| US8323958B2 (en) | 2006-11-02 | 2012-12-04 | Algenol Biofuels Switzerland GmbH | Closed photobioreactor system for continued daily in situ production of ethanol from genetically enhanced photosynthetic organisms with means for separation and removal of ethanol |
| MX2009003668A (es) * | 2006-11-02 | 2009-08-12 | Algenol Biofuels Inc | Sistema fotobiorreactor cerrado para la produccion, separacion, recoleccion y remocion diaria, continua, in-situ, de etanol a partir de organismos fotosinteticos geneticamente mejorados. |
| US7815876B2 (en) * | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
| US7815741B2 (en) * | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
| NL1032816C2 (nl) * | 2006-11-06 | 2008-05-08 | Micronit Microfluidics Bv | Micromengkamer, micromenger omvattende meerdere van dergelijke micromengkamers, werkwijzen voor het vervaardigen daarvan, en werkwijzen voor mengen. |
| US20080299624A1 (en) * | 2007-06-01 | 2008-12-04 | Edward Heslop | Continuous fermentation apparatus and method |
| US8569050B1 (en) | 2009-05-04 | 2013-10-29 | John D. Ericsson | Enclosed bioreactor system and methods associated therewith |
| JP6738058B2 (ja) * | 2014-05-28 | 2020-08-12 | サイティバ・スウェーデン・アクチボラグ | 細胞培養用バッグアセンブリ |
| US9550972B2 (en) * | 2014-09-29 | 2017-01-24 | General Electric Company | Devices, systems and methods for automated cell culturing |
| JP6447597B2 (ja) * | 2016-09-08 | 2019-01-09 | シンフォニアテクノロジー株式会社 | バッファタンクおよび培養システム |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1587336A (OSRAM) * | 1966-10-06 | 1970-03-20 | ||
| FR2156385A1 (en) * | 1971-10-16 | 1973-05-25 | Versuchs Lehranstalt | Ethanol prodn - by continuous fermentation to derive mixture contg ethanol in multistage column |
| FR2285454A1 (fr) * | 1974-09-19 | 1976-04-16 | Giovanola Freres Sa | Procede de transformation d'un substrat microbiologique et dispositif pour la realisation de ce procede |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2450218A (en) * | 1945-12-21 | 1948-09-28 | Victorero Francisco Alzola | Apparatus for continuous fermentation |
| GB959049A (en) * | 1961-12-01 | 1964-05-27 | Apv Co Ltd | Improvements in or relating to the production of beer |
| US3251653A (en) * | 1962-11-13 | 1966-05-17 | Union Carbide Corp | Double-cone reactor for vapor-phase reactions |
| US3409408A (en) * | 1963-10-04 | 1968-11-05 | Ballestra Mario | Column reactor with series reaction chambers |
| US3413124A (en) * | 1965-04-05 | 1968-11-26 | Falstaff Brewing Corp | Continuous flow fermentation apparatus and process |
-
1980
- 1980-10-09 GB GB8032565A patent/GB2073243B/en not_active Expired
- 1980-10-17 US US06/198,090 patent/US4337315A/en not_active Expired - Lifetime
- 1980-10-22 DE DE3039874A patent/DE3039874C2/de not_active Expired
-
1981
- 1981-02-25 BR BR8101155A patent/BR8101155A/pt unknown
- 1981-03-02 CA CA000372122A patent/CA1160974A/en not_active Expired
- 1981-03-04 PH PH25316A patent/PH16807A/en unknown
- 1981-03-04 FR FR8104349A patent/FR2482129A1/fr active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1587336A (OSRAM) * | 1966-10-06 | 1970-03-20 | ||
| FR2156385A1 (en) * | 1971-10-16 | 1973-05-25 | Versuchs Lehranstalt | Ethanol prodn - by continuous fermentation to derive mixture contg ethanol in multistage column |
| FR2285454A1 (fr) * | 1974-09-19 | 1976-04-16 | Giovanola Freres Sa | Procede de transformation d'un substrat microbiologique et dispositif pour la realisation de ce procede |
Non-Patent Citations (1)
| Title |
|---|
| BIOTECHNOLOGY AND BIOENGINEERING, vol.XXI, 1979, John Wiley & Sons, Inc. M. MOO-YOUNG et al.: 'Design of Scraped Tubular Fermentors', pages 593 - 607 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986000636A1 (en) * | 1984-07-10 | 1986-01-30 | Selby John Starkie | Cell growth |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3039874C2 (de) | 1985-08-29 |
| US4337315A (en) | 1982-06-29 |
| FR2482129B1 (OSRAM) | 1984-11-02 |
| CA1160974A (en) | 1984-01-24 |
| PH16807A (en) | 1984-03-01 |
| DE3039874A1 (de) | 1981-10-01 |
| GB2073243A (en) | 1981-10-14 |
| GB2073243B (en) | 1984-12-05 |
| BR8101155A (pt) | 1981-09-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |