GB1354286A - Performance of routine chemical reactions - Google Patents
Performance of routine chemical reactionsInfo
- Publication number
- GB1354286A GB1354286A GB2326270A GB2326270A GB1354286A GB 1354286 A GB1354286 A GB 1354286A GB 2326270 A GB2326270 A GB 2326270A GB 2326270 A GB2326270 A GB 2326270A GB 1354286 A GB1354286 A GB 1354286A
- Authority
- GB
- United Kingdom
- Prior art keywords
- band
- station
- sub
- glass fibre
- vacuum filtration
- 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
- 238000006243 chemical reaction Methods 0.000 title 1
- 239000003365 glass fiber Substances 0.000 abstract 2
- 238000003828 vacuum filtration Methods 0.000 abstract 2
- 229920002301 cellulose acetate Polymers 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000012528 membrane Substances 0.000 abstract 1
- 229920000573 polyethylene Polymers 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
- G01N35/021—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations having a flexible chain, e.g. "cartridge belt", conveyor for reaction cells or cuvettes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
- G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
- G01N33/53—Immunoassay; Biospecific binding assay; Materials therefor
- G01N33/5302—Apparatus specially adapted for immunological test procedures
- G01N33/5304—Reaction vessels, e.g. agglutination plates
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Immunology (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Urology & Nephrology (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Hematology (AREA)
- General Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Biotechnology (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- Cell Biology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
- Sampling And Sample Adjustment (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2326270A GB1354286A (en) | 1970-05-13 | 1970-05-13 | Performance of routine chemical reactions |
| CA112,401A CA962174A (en) | 1970-05-13 | 1971-05-07 | Performance of routine chemical reactions |
| DE2123210A DE2123210C2 (de) | 1970-05-13 | 1971-05-11 | Speicher- und Reaktionszelle für chemische oder biologische Reaktionen |
| US00143134A US3825410A (en) | 1970-05-13 | 1971-05-13 | Performance of routine chemical reactions in compartmentalized containers |
| JP3201971A JPS5738862B1 (enrdf_load_stackoverflow) | 1970-05-13 | 1971-05-13 | |
| FR717117295A FR2092146B1 (enrdf_load_stackoverflow) | 1970-05-13 | 1971-05-13 | |
| FR7231880A FR2158810A6 (en) | 1970-05-13 | 1972-09-08 | Reaction tube |
| JP4079278A JPS5439187A (en) | 1970-05-13 | 1978-04-06 | Filter zone for using chemical and biological analysis |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2326270A GB1354286A (en) | 1970-05-13 | 1970-05-13 | Performance of routine chemical reactions |
| GB6162770 | 1970-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1354286A true GB1354286A (en) | 1974-05-22 |
Family
ID=26256418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2326270A Expired GB1354286A (en) | 1970-05-13 | 1970-05-13 | Performance of routine chemical reactions |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3825410A (enrdf_load_stackoverflow) |
| JP (1) | JPS5738862B1 (enrdf_load_stackoverflow) |
| CA (1) | CA962174A (enrdf_load_stackoverflow) |
| DE (1) | DE2123210C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2092146B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1354286A (enrdf_load_stackoverflow) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2153996A (en) * | 1984-01-17 | 1985-08-29 | English Clays Lovering Pochin | Measurement of physical properties of the solid component of a slurry |
| USD531736S1 (en) | 2005-05-04 | 2006-11-07 | Abbott Laboratories | Reagent carrier for use in an automated analyzer |
| USD532524S1 (en) | 2005-05-04 | 2006-11-21 | Abbott Laboratories | Reagent carrier for use in an automated analyzer |
| USD533947S1 (en) | 2005-05-04 | 2006-12-19 | Abbott Laboratories | Reagent carrier for use in an automated analyzer |
| USD534280S1 (en) | 2005-05-04 | 2006-12-26 | Abbott Laboratories | Reagent carrier for use in an automated analyzer |
| US7628954B2 (en) | 2005-05-04 | 2009-12-08 | Abbott Laboratories, Inc. | Reagent and sample handling device for automatic testing system |
Families Citing this family (76)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1451449A (en) * | 1972-10-09 | 1976-10-06 | Bagshawe K D | Chemical and biological analysis |
| DE2333434C3 (de) * | 1973-06-30 | 1978-04-06 | Istvan D. Dr. 5024 Pulheim Bartos | Verfahren zur Durchführung serologischer Untersuchungen nach dem Prinzip der Komplementbindungsreaktion und gebrauchsfertige Schnelltestpackung hierfür |
| US4239746A (en) * | 1973-06-30 | 1980-12-16 | Dezso Istvan Bartos | Complement fixation test employing reactants in a disposable package |
| US4017597A (en) * | 1974-10-30 | 1977-04-12 | Monsanto Company | Unitized solid phase immunoassay kit and method |
| US4090850A (en) * | 1976-11-01 | 1978-05-23 | E. R. Squibb & Sons, Inc. | Apparatus for use in radioimmunoassays |
| US4224032A (en) * | 1976-12-17 | 1980-09-23 | Eastman Kodak Company | Method and apparatus for chemical analysis |
| US4067694A (en) * | 1976-12-17 | 1978-01-10 | Eastman Kodak Company | Loading and unloading mechanism for continuously rotating container |
| FI54842C (fi) * | 1977-01-14 | 1979-03-12 | Suovaniemi Finnpipette | Formstycke i anordningar foer immunitetsbestaemningar och enzymreaktioner |
| FI56750C (fi) * | 1978-02-27 | 1980-03-10 | Reijo Vihko | Rekationskaerl foer engaongsbruk vid immunologiskt bestaemning |
| WO1980000371A1 (en) * | 1978-07-25 | 1980-03-06 | Beckman Instruments Inc | Method of conducting radio assay using a combined reaction/filter vial |
| DE2915248C3 (de) * | 1979-04-14 | 1982-01-14 | Gise, Frhr. von, Hardo, Dr.med., 7400 Tübingen | Einrichtung zum automatischen wahlweisen u. exakten Behandeln von Präparaten |
| JPS56147072A (en) * | 1980-04-18 | 1981-11-14 | Olympus Optical Co Ltd | Automaic analyzing system |
| FR2485732A1 (fr) * | 1980-06-25 | 1981-12-31 | Agronomique Inst Nat Rech | Procede et appareil pour collecter sterilement et automatiquement des echantillons liquides dans des eprouvettes steriles |
| US4512202A (en) * | 1982-12-27 | 1985-04-23 | Beckman Instruments, Inc. | Pregrooved centrifuge tubes |
| USRE34405E (en) * | 1983-08-01 | 1993-10-12 | Abbott Laboratories | Determination of analytes in particle-containing medium |
| US4767602A (en) * | 1984-03-23 | 1988-08-30 | The Research Foundation Of State University Of New York | Apparatus for redepositing particulate matter |
| US4632901A (en) * | 1984-05-11 | 1986-12-30 | Hybritech Incorporated | Method and apparatus for immunoassays |
| JPS6162965U (enrdf_load_stackoverflow) * | 1984-09-28 | 1986-04-28 | ||
| JPS6162964U (enrdf_load_stackoverflow) * | 1984-09-28 | 1986-04-28 | ||
| US4608231A (en) * | 1984-12-12 | 1986-08-26 | Becton, Dickinson And Company | Self-contained reagent package device for an assay |
| US4675299A (en) * | 1984-12-12 | 1987-06-23 | Becton, Dickinson And Company | Self-contained reagent package device and an assay using same |
| JPH0731204B2 (ja) * | 1985-04-18 | 1995-04-10 | ベツクマン インスツルメンツ インコ−ポレ−テツド | 免疫分析装置および方法 |
| US4871683A (en) * | 1985-04-18 | 1989-10-03 | Beckman Instruments, Inc. | Apparatus and method using a new reaction capsule |
| US4623461A (en) * | 1985-05-31 | 1986-11-18 | Murex Corporation | Transverse flow diagnostic device |
| US4931385A (en) * | 1985-06-24 | 1990-06-05 | Hygeia Sciences, Incorporated | Enzyme immunoassays and immunologic reagents |
| IL76275A (en) * | 1985-09-02 | 1989-02-28 | Yeda Res & Dev | Water sampling system |
| US4818493A (en) * | 1985-10-31 | 1989-04-04 | Bio/Data Corporation | Apparatus for receiving a test specimen and reagent |
| US4695430A (en) * | 1985-10-31 | 1987-09-22 | Bio/Data Corporation | Analytical apparatus |
| US5501949A (en) * | 1985-12-10 | 1996-03-26 | Murex Diagnostics Corporation | Particle bound binding component immunoassay |
| US5120504A (en) * | 1986-07-14 | 1992-06-09 | Hybritech Incorporated | Apparatus for immunoassays with vent chennels in the container side wall |
| EP0254794A1 (fr) * | 1986-07-31 | 1988-02-03 | Laboratoires Sanders-Probel, S.A. | Colonne de réaction |
| US4939096A (en) * | 1986-09-10 | 1990-07-03 | Idexx, Corp. | Method and apparatus for assaying whole blood |
| US4965187A (en) * | 1986-09-10 | 1990-10-23 | Idexx Corporation | Method and apparatus for assaying whole blood |
| US4833087A (en) * | 1987-02-27 | 1989-05-23 | Eastman Kodak Company | Disposable container configured to produce uniform signal |
| US4828980A (en) * | 1987-09-18 | 1989-05-09 | Eastman Kodak Company | Membrane structure coated with low pI protein or carbohydrate and methods of making and use |
| DE3709773A1 (de) * | 1987-03-25 | 1988-10-06 | Josef Dr Ing Koehler | Vorrichtung zur dosierung und mischung von kleinen stoffmengen |
| US4857453A (en) * | 1987-04-07 | 1989-08-15 | Syntex (U.S.A.) Inc. | Immunoassay device |
| US4892710A (en) * | 1987-07-07 | 1990-01-09 | Bioprobe International, Inc. | Cartridge assembly with multi-purpose closure tubing |
| AU2303588A (en) * | 1987-08-27 | 1989-03-31 | Polyfiltronics Limited | Filter units for biological sample preparation |
| US4779722A (en) * | 1987-08-28 | 1988-10-25 | Hall John E | Material mixing container |
| US4999163A (en) * | 1987-10-29 | 1991-03-12 | Hygeia Sciences, Inc. | Disposable, pre-packaged device for conducting immunoassay procedures |
| US5256372A (en) * | 1987-11-06 | 1993-10-26 | Idexx Corporation | Dipstick test device including a removable filter assembly |
| JPH01126544A (ja) * | 1987-11-11 | 1989-05-18 | Hitachi Ltd | 生化学分析方法及び装置 |
| GB8728639D0 (en) * | 1987-12-08 | 1988-01-13 | Scient Generics Ltd | Device for analytical determinations |
| US4954319A (en) * | 1987-12-16 | 1990-09-04 | Fuji Photo Film Co., Ltd. | Mechanism for supplying analytical tape for biochemical analysis by predetermined length |
| US4891185A (en) * | 1988-01-22 | 1990-01-02 | Goldin Stanley M | High resolution monitoring device |
| US5035866A (en) * | 1988-02-16 | 1991-07-30 | Wannlund Jon C | Luminescence reaction test apparatus |
| US5102788A (en) * | 1988-11-21 | 1992-04-07 | Hygeia Sciences, Inc. | Immunoassay including lyophilized reactant mixture |
| US5106761A (en) * | 1989-03-13 | 1992-04-21 | International Canine Genetics, Inc. | Method for detecting molecules in a liquid medium |
| US5547839A (en) | 1989-06-07 | 1996-08-20 | Affymax Technologies N.V. | Sequencing of surface immobilized polymers utilizing microflourescence detection |
| GB8913224D0 (en) * | 1989-06-08 | 1989-07-26 | Univ Wales Medicine | Sampling and analysis procedures and apparatus |
| CA2065719A1 (en) | 1991-04-30 | 1992-10-31 | John B. Findlay | Nucleic acid amplification and detection methods using rapid polymerase chain reaction cycle |
| US5726010A (en) * | 1991-07-31 | 1998-03-10 | Idexx Laboratories, Inc. | Reversible flow chromatographic binding assay |
| US6007999A (en) * | 1991-07-31 | 1999-12-28 | Idexx Laboratories, Inc. | Reversible flow chromatographic binding assay |
| US5364591A (en) * | 1992-06-01 | 1994-11-15 | Eastman Kodak Company | Device for moving a target-bearing solid through a liquid for detection while being contained |
| DE69308493T2 (de) * | 1992-06-29 | 1997-10-23 | Dade Int Inc | Träger für proberöhrchen |
| USD365153S (en) | 1993-10-29 | 1995-12-12 | E. I. Du Pont De Nemours And Company | Reagent carrier |
| FR2719122B1 (fr) * | 1994-04-22 | 1996-07-12 | Scibiex Sarl | Dispositif et procédé d'analyse immunologique. |
| US5589344A (en) | 1994-06-15 | 1996-12-31 | Johnson & Johnson Clinical Diagnostics, Inc. | Test kit and method for competitive specific binding assay |
| AU3999995A (en) * | 1994-11-10 | 1996-06-06 | Minnesota Mining And Manufacturing Company | Solid phase extraction using composite sheet for direct measurement of radioactivity |
| US5942191A (en) * | 1997-07-14 | 1999-08-24 | Becton, Dickinson And Company | Body fluid collection vessel having reduced capacity |
| US6082185A (en) * | 1997-07-25 | 2000-07-04 | Research International, Inc. | Disposable fluidic circuit cards |
| US6383453B1 (en) * | 1999-11-09 | 2002-05-07 | Inge Banauch | Multi-aliquot storage vessel and break tool |
| US7000785B2 (en) * | 2003-04-03 | 2006-02-21 | Bio-Rad Laboratories, Inc. | Tube rack accommodating a range of tube diameters |
| DE10344229A1 (de) * | 2003-09-24 | 2005-05-19 | Steag Microparts Gmbh | Mikrostruktuierte Vorrichtung zum entnehmbaren Speichern von kleinen Flüssigkeitsmengen und Verfahren zum Entnehmen der in dieser Vorrichtung gespeicherten Flüssigkeit |
| JP4531571B2 (ja) * | 2005-01-04 | 2010-08-25 | 株式会社ヴァレオサーマルシステムズ | 抗菌剤を封入した容器の固定機構及びその容器 |
| DE102006015238A1 (de) * | 2006-03-30 | 2007-10-04 | S&C Polymer Silicon- und Composite-Spezialitäten GmbH | Einwegverpackungssystem zur Lagerung und Ausbringung von Mehrkomponentenmaterialien |
| US7572990B2 (en) * | 2007-03-30 | 2009-08-11 | Intermec Ip Corp. | Keypad overlay membrane |
| EP2191897B1 (en) | 2007-06-21 | 2014-02-26 | Gen-Probe Incorporated | Instrument and receptacles for performing processes |
| US20140014550A1 (en) * | 2011-01-06 | 2014-01-16 | The University Of North Carolina At Chapel Hill | Microsample cryostorage systems and methods |
| EP2972219B1 (en) | 2013-03-15 | 2022-01-19 | Abbott Laboratories | Automated reagent manager of a diagnostic analyzer system |
| WO2014144870A2 (en) | 2013-03-15 | 2014-09-18 | Abbott Laboratories | Light-blocking system for a diagnostic analyzer |
| US9632103B2 (en) | 2013-03-15 | 2017-04-25 | Abbott Laboraties | Linear track diagnostic analyzer |
| GB201616642D0 (en) * | 2016-09-30 | 2016-11-16 | 1 Cryobio Ag | Vessel |
| GB201819975D0 (en) | 2018-12-07 | 2019-01-23 | Windridge Katherine | A container |
| WO2022056466A1 (en) | 2020-09-14 | 2022-03-17 | Mobius Biomedical, Inc. | Process technology for biological product manufacturing and downstream purification |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2681168A (en) * | 1949-07-09 | 1954-06-15 | Scherer Corp R P | Envelope containing a fragile capsule |
| US2954144A (en) * | 1957-10-17 | 1960-09-27 | Hiller Aircraft Corp | Storage, mixing and dispensing device |
| US2982396A (en) * | 1960-01-29 | 1961-05-02 | Musa M Shihadeh | Packaging unit and process for making same |
| GB967928A (en) * | 1960-11-07 | 1964-08-26 | Musa Mustafa Shihadeh | Packaging unit and process for making same |
| NL264183A (enrdf_load_stackoverflow) * | 1960-05-02 | |||
| US3446596A (en) * | 1965-04-02 | 1969-05-27 | Mallinckrodt Chemical Works | Analytical package and method |
| US3414383A (en) * | 1965-08-09 | 1968-12-03 | Canadian Patents Dev | Determination of thyroxine |
| US3451777A (en) * | 1965-08-20 | 1969-06-24 | Walter Di Giulio | Method and apparatus for determining the thyroid hormone content of blood |
| US3476515A (en) * | 1966-04-26 | 1969-11-04 | Du Pont | Analytical test pack and process for analysis |
| US3504376A (en) * | 1966-12-15 | 1970-03-31 | Xerox Corp | Automated chemical analyzer |
| US3540857A (en) * | 1968-01-22 | 1970-11-17 | Beckman Instruments Inc | Sample capsule and filtering mechanism |
| US3540856A (en) * | 1968-01-22 | 1970-11-17 | Beckman Instruments Inc | Sample capsule and filtering mechanism |
| US3622279A (en) * | 1968-06-14 | 1971-11-23 | Hycel Inc | Automatic chemical testing apparatus |
| CA928198A (en) * | 1968-07-15 | 1973-06-12 | Boehringer Mannheim G.M.B.H. | Storable blood and serum samples and a process for their preparation |
-
1970
- 1970-05-13 GB GB2326270A patent/GB1354286A/en not_active Expired
-
1971
- 1971-05-07 CA CA112,401A patent/CA962174A/en not_active Expired
- 1971-05-11 DE DE2123210A patent/DE2123210C2/de not_active Expired
- 1971-05-13 FR FR717117295A patent/FR2092146B1/fr not_active Expired
- 1971-05-13 JP JP3201971A patent/JPS5738862B1/ja active Pending
- 1971-05-13 US US00143134A patent/US3825410A/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2153996A (en) * | 1984-01-17 | 1985-08-29 | English Clays Lovering Pochin | Measurement of physical properties of the solid component of a slurry |
| GB2154317A (en) * | 1984-01-17 | 1985-09-04 | English Clays Lovering Pochin | Measurement of physical properties of the solid component of a slurry |
| US4704899A (en) * | 1984-01-17 | 1987-11-10 | English Clays Lovering Pochin & Company, Limited | Measurement of physical properties of the solid component of a slurry |
| USD531736S1 (en) | 2005-05-04 | 2006-11-07 | Abbott Laboratories | Reagent carrier for use in an automated analyzer |
| USD532524S1 (en) | 2005-05-04 | 2006-11-21 | Abbott Laboratories | Reagent carrier for use in an automated analyzer |
| USD533947S1 (en) | 2005-05-04 | 2006-12-19 | Abbott Laboratories | Reagent carrier for use in an automated analyzer |
| USD534280S1 (en) | 2005-05-04 | 2006-12-26 | Abbott Laboratories | Reagent carrier for use in an automated analyzer |
| US7628954B2 (en) | 2005-05-04 | 2009-12-08 | Abbott Laboratories, Inc. | Reagent and sample handling device for automatic testing system |
| US9057714B2 (en) | 2005-05-04 | 2015-06-16 | Abbott Laboratories | Reagent and sample handling device for automatic testing system |
| US10191072B2 (en) | 2005-05-04 | 2019-01-29 | Abbott Laboratories | Reagent and sample handling device for automatic testing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CA962174A (en) | 1975-02-04 |
| FR2092146B1 (enrdf_load_stackoverflow) | 1973-06-08 |
| FR2092146A1 (enrdf_load_stackoverflow) | 1972-01-21 |
| DE2123210C2 (de) | 1982-10-14 |
| JPS5738862B1 (enrdf_load_stackoverflow) | 1982-08-18 |
| US3825410A (en) | 1974-07-23 |
| DE2123210A1 (de) | 1971-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |