CH637020A5 - Blutfilter. - Google Patents
Blutfilter. Download PDFInfo
- Publication number
- CH637020A5 CH637020A5 CH558978A CH558978A CH637020A5 CH 637020 A5 CH637020 A5 CH 637020A5 CH 558978 A CH558978 A CH 558978A CH 558978 A CH558978 A CH 558978A CH 637020 A5 CH637020 A5 CH 637020A5
- Authority
- CH
- Switzerland
- Prior art keywords
- filter
- blood
- screen
- depth
- cartridge
- Prior art date
Links
- 210000004369 blood Anatomy 0.000 title description 108
- 239000008280 blood Substances 0.000 title description 108
- 239000002245 particle Substances 0.000 description 45
- 239000011148 porous material Substances 0.000 description 42
- 239000010410 layer Substances 0.000 description 26
- 239000004744 fabric Substances 0.000 description 25
- 239000002699 waste material Substances 0.000 description 16
- 239000000463 material Substances 0.000 description 13
- 238000001914 filtration Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 9
- 230000017531 blood circulation Effects 0.000 description 7
- 230000000717 retained effect Effects 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 238000000502 dialysis Methods 0.000 description 6
- 239000003814 drug Substances 0.000 description 6
- -1 polyethylene Polymers 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 229940079593 drug Drugs 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 229920002635 polyurethane Polymers 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000010412 perfusion Effects 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 230000004087 circulation Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 210000000265 leukocyte Anatomy 0.000 description 3
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- 239000003146 anticoagulant agent Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 210000003734 kidney Anatomy 0.000 description 2
- 238000009940 knitting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 206010018910 Haemolysis Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 229940064004 antiseptic throat preparations Drugs 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000012377 drug delivery Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000008588 hemolysis Effects 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000011236 particulate material Substances 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
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000002446 thrombocytic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000011782 vitamin Substances 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
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3627—Degassing devices; Buffer reservoirs; Drip chambers; Blood filters
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Cardiology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- External Artificial Organs (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/845,649 US4303530A (en) | 1977-10-26 | 1977-10-26 | Blood filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH637020A5 true CH637020A5 (de) | 1983-07-15 |
Family
ID=25295761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH558978A CH637020A5 (de) | 1977-10-26 | 1978-05-23 | Blutfilter. |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4303530A (enExample) |
| JP (1) | JPS5466589A (enExample) |
| AU (1) | AU523126B2 (enExample) |
| BE (1) | BE867629A (enExample) |
| BR (1) | BR7804285A (enExample) |
| CA (1) | CA1117032A (enExample) |
| CH (1) | CH637020A5 (enExample) |
| DE (1) | DE2821997A1 (enExample) |
| ES (1) | ES470398A1 (enExample) |
| FR (1) | FR2407013A1 (enExample) |
| GB (1) | GB1601827A (enExample) |
| IT (1) | IT1096609B (enExample) |
| NL (1) | NL7806995A (enExample) |
| SE (1) | SE7805979L (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10304365A1 (de) * | 2003-02-04 | 2004-08-05 | Ls-Medcap Gmbh | Filtervorrichtung |
| US8641657B2 (en) | 2006-12-01 | 2014-02-04 | Gambro Lundia Ab | Blood transfer chamber |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7923865U1 (de) * | 1979-08-22 | 1979-11-08 | Biotest-Serum-Institut Gmbh, 6000 Frankfurt | Mikrofiltrationsgeraet zur filtration von koageln und mikroaggregaten von blut |
| USRE32711E (en) * | 1981-12-23 | 1988-07-12 | Shiley, Inc. | Arterial blood filter with improved gas venting |
| US4411783A (en) * | 1981-12-23 | 1983-10-25 | Shiley Incorporated | Arterial blood filter with improved gas venting |
| US4704203A (en) * | 1982-08-27 | 1987-11-03 | Reed Charles C | Cardiotomy reservoir apparatus and method |
| DE3406928A1 (de) * | 1983-03-01 | 1984-09-06 | Biotest-Serum-Institut Gmbh, 6000 Frankfurt | Transfusionsfeinfilter zur entfernung von koageln und aggregaten in blut und blutbestandteilen |
| DE3310727A1 (de) * | 1983-03-24 | 1984-10-04 | B. Braun Melsungen Ag, 3508 Melsungen | Verfahren und vorrichtung zur selektiven, extrakorporalen abtrennung pathologischer und/oder toxischer blutbestandteile |
| DE3422435A1 (de) * | 1984-06-16 | 1986-01-16 | B. Braun Melsungen Ag, 3508 Melsungen | Verfahren und vorrichtung zur selektiven abtrennung pathologischer und/oder toxischer spezies aus blut oder blutplasma unter verwendung von filterkerzen |
| JP2543728B2 (ja) * | 1987-11-13 | 1996-10-16 | 株式会社ミドリ十字 | 返還用自己血の処理装置 |
| JPH0657252B2 (ja) * | 1988-08-26 | 1994-08-03 | テルモ株式会社 | 貯血槽 |
| US4964984A (en) * | 1989-06-14 | 1990-10-23 | Electromedics, Inc. | Blood filter |
| FR2677267B1 (fr) * | 1991-06-04 | 1994-07-08 | Lucas France | Filtre pour liquide assurant un degazage permanent. |
| US5185086A (en) * | 1991-07-16 | 1993-02-09 | Steven Kaali | Method and system for treatment of blood and/or other body fluids and/or synthetic fluids using combined filter elements and electric field forces |
| DE4143639C2 (de) | 1991-12-02 | 2002-10-24 | Qiagen Gmbh | Verfahren zur Isolierung und Reinigung von Nukleinsäuren |
| CA2177442A1 (en) * | 1995-05-29 | 1996-11-30 | Massimo Fini | Cardiotomy reservoir with internal filter |
| DE19711083C2 (de) * | 1997-03-18 | 1999-04-29 | Sartorius Gmbh | Vorrichtung und Verfahren für die adsorptive Stofftrennung mit Adsorptionsmembranen |
| DE19711186A1 (de) * | 1997-03-18 | 1998-09-24 | Sartorius Gmbh | Vorrichtung für die Behandlung von Flüssigkeiten |
| DE29706807U1 (de) * | 1997-04-16 | 1997-06-19 | Schneider, Lothar, 77866 Rheinau | Vorfilter für eine Vorrichtung zum Sammeln und groben Reinigen von bei Operationen anfallendem Blut |
| EP1080741B1 (en) * | 1998-05-13 | 2009-10-14 | Asahi Kasei Kuraray Medical Co., Ltd. | Filter device for processing blood |
| JP2004504330A (ja) * | 2000-07-13 | 2004-02-12 | インヴィトロジェン コーポレーション | 溶解マトリクスを用いてタンパク質およびペプチドの迅速な抽出および単離のための方法および組成物 |
| WO2002065125A1 (en) * | 2001-02-13 | 2002-08-22 | Invitrogen Corporation | Methods and compositions for isolation of biological macromolecules |
| EP2311994A1 (en) * | 2003-08-01 | 2011-04-20 | Life Technologies Corporation | Compositions and methods for preparing short RNA molecules and other nucleic acids |
| US7056286B2 (en) | 2003-11-12 | 2006-06-06 | Adrian Ravenscroft | Medical device anchor and delivery system |
| WO2011056981A2 (en) | 2009-11-04 | 2011-05-12 | Nitinol Devices And Components, Inc. | Alternating circumferential bridge stent design and methods for use thereof |
| US9649211B2 (en) | 2009-11-04 | 2017-05-16 | Confluent Medical Technologies, Inc. | Alternating circumferential bridge stent design and methods for use thereof |
| US8293116B2 (en) * | 2010-03-18 | 2012-10-23 | Joseph Williams | Liquid accelerator apparatus |
| US9475709B2 (en) | 2010-08-25 | 2016-10-25 | Lockheed Martin Corporation | Perforated graphene deionization or desalination |
| CN105967347A (zh) * | 2010-11-29 | 2016-09-28 | 捷通国际有限公司 | 泡沫材料水处理系统 |
| US10485915B2 (en) | 2010-12-14 | 2019-11-26 | Illinois Tool Works Inc. | Coaxial double filter with integrated filter support |
| US8617200B2 (en) | 2011-08-17 | 2013-12-31 | Cook Medical Technologies Llc | Multi-layer filtration device |
| US10980919B2 (en) | 2016-04-14 | 2021-04-20 | Lockheed Martin Corporation | Methods for in vivo and in vitro use of graphene and other two-dimensional materials |
| US10376845B2 (en) | 2016-04-14 | 2019-08-13 | Lockheed Martin Corporation | Membranes with tunable selectivity |
| US10653824B2 (en) | 2012-05-25 | 2020-05-19 | Lockheed Martin Corporation | Two-dimensional materials and uses thereof |
| US9610546B2 (en) | 2014-03-12 | 2017-04-04 | Lockheed Martin Corporation | Separation membranes formed from perforated graphene and methods for use thereof |
| US9744617B2 (en) | 2014-01-31 | 2017-08-29 | Lockheed Martin Corporation | Methods for perforating multi-layer graphene through ion bombardment |
| US10118130B2 (en) | 2016-04-14 | 2018-11-06 | Lockheed Martin Corporation | Two-dimensional membrane structures having flow passages |
| US10213746B2 (en) | 2016-04-14 | 2019-02-26 | Lockheed Martin Corporation | Selective interfacial mitigation of graphene defects |
| US9834809B2 (en) | 2014-02-28 | 2017-12-05 | Lockheed Martin Corporation | Syringe for obtaining nano-sized materials for selective assays and related methods of use |
| TW201504140A (zh) | 2013-03-12 | 2015-02-01 | Lockheed Corp | 形成具有均勻孔尺寸之多孔石墨烯之方法 |
| US9572918B2 (en) | 2013-06-21 | 2017-02-21 | Lockheed Martin Corporation | Graphene-based filter for isolating a substance from blood |
| WO2015116946A1 (en) | 2014-01-31 | 2015-08-06 | Lockheed Martin Corporation | Perforating two-dimensional materials using broad ion field |
| KR20160142282A (ko) | 2014-01-31 | 2016-12-12 | 록히드 마틴 코포레이션 | 다공성 비-희생 지지층을 사용하여 2차원 물질로 복합 구조를 형성하기 위한 프로세스 |
| EP3116625A4 (en) | 2014-03-12 | 2017-12-20 | Lockheed Martin Corporation | Separation membranes formed from perforated graphene |
| MX2017002738A (es) * | 2014-09-02 | 2017-08-02 | Lockheed Corp | Membranas de hemodialisis y hemofiltracion basadas en un material de membrana bidimensional y metodos que emplean las mismas. |
| US9827364B2 (en) * | 2015-06-02 | 2017-11-28 | Terumo Cardiovascular Systems, Inc. | Filters with gradient porosities |
| JP2018528144A (ja) | 2015-08-05 | 2018-09-27 | ロッキード・マーチン・コーポレーション | グラフェン系材料の穿孔可能なシート |
| CA2994664A1 (en) | 2015-08-06 | 2017-02-09 | Lockheed Martin Corporation | Nanoparticle modification and perforation of graphene |
| CN105457118B (zh) * | 2015-12-17 | 2018-01-02 | 珠海健帆生物科技股份有限公司 | 血液净化装置及系统 |
| SG11201808961QA (en) | 2016-04-14 | 2018-11-29 | Lockheed Corp | Methods for in situ monitoring and control of defect formation or healing |
| EP3442739A4 (en) | 2016-04-14 | 2020-03-04 | Lockheed Martin Corporation | PROCESS FOR PROCESSING GRAPHENE SHEETS FOR LARGE SCALE TRANSFER USING A FREE FLOATING PROCESS |
| JP7529683B2 (ja) * | 2019-03-19 | 2024-08-06 | ケアフュージョン ３０３、インコーポレイテッド | インライン・フィルタを有するニードルレス・コネクタ |
| JP6995150B2 (ja) * | 2020-01-15 | 2022-01-14 | 株式会社コメッツ | 輸液セット |
| US20220080107A1 (en) * | 2020-09-11 | 2022-03-17 | Carefusion 303. Inc. | Drip chamber assembly |
| GB2622033A (en) * | 2022-08-31 | 2024-03-06 | Indufil BV | Filter system |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736436A (en) * | 1952-02-07 | 1956-02-28 | Houdaille Hershey Of Indiana I | Filter cartridge unit and method of making the same |
| US3026609A (en) * | 1959-10-08 | 1962-03-27 | Carl N Beetle Plastics Corp | Filter method |
| US3276597A (en) * | 1963-11-06 | 1966-10-04 | Johnson & Johnson | Filter media |
| US3262578A (en) * | 1964-02-07 | 1966-07-26 | Johns Manville | Glass fiber filter tubes |
| US3593884A (en) * | 1968-10-10 | 1971-07-20 | Bolling H Sasnett Jr | Fluid dispensing apparatus |
| US3701433A (en) * | 1970-11-10 | 1972-10-31 | Pall Corp | Filter for use in the filtration of blood |
| US3765536A (en) * | 1970-11-10 | 1973-10-16 | Pall Corp | Blood filter cascade |
| US3827562A (en) * | 1972-03-03 | 1974-08-06 | W Esmond | Filtering device |
| AU465962B2 (en) * | 1972-06-16 | 1975-10-09 | Pall Corporation | Blood filter cascade |
| DE2304512B1 (de) * | 1973-01-31 | 1974-06-27 | B. Braun Melsungen Ag, 3508 Melsungen | Vorrichtung zum Filtern von Blut |
| US3935111A (en) * | 1973-04-06 | 1976-01-27 | Bentley Laboratories, Inc. | Device for removing blood microemboli |
| AR205025A1 (es) * | 1974-04-19 | 1976-03-31 | Johnson & Johnson | Medios para filtrar sangre |
| JPS544121Y2 (enExample) * | 1974-07-05 | 1979-02-23 | ||
| US3972818A (en) * | 1974-08-22 | 1976-08-03 | General Atomic Company | Blood filter using glassy carbon fibers |
-
1977
- 1977-10-26 US US05/845,649 patent/US4303530A/en not_active Expired - Lifetime
-
1978
- 1978-05-04 GB GB17639/78A patent/GB1601827A/en not_active Expired
- 1978-05-16 CA CA000303463A patent/CA1117032A/en not_active Expired
- 1978-05-19 DE DE19782821997 patent/DE2821997A1/de not_active Ceased
- 1978-05-19 AU AU36303/78A patent/AU523126B2/en not_active Expired
- 1978-05-23 CH CH558978A patent/CH637020A5/de not_active IP Right Cessation
- 1978-05-25 SE SE7805979A patent/SE7805979L/xx unknown
- 1978-05-30 FR FR7816085A patent/FR2407013A1/fr active Granted
- 1978-05-30 BE BE188170A patent/BE867629A/xx not_active IP Right Cessation
- 1978-05-31 IT IT24044/78A patent/IT1096609B/it active
- 1978-05-31 ES ES470398A patent/ES470398A1/es not_active Expired
- 1978-06-29 NL NL7806995A patent/NL7806995A/xx not_active Application Discontinuation
- 1978-07-04 BR BR7804285A patent/BR7804285A/pt unknown
- 1978-08-31 JP JP10571078A patent/JPS5466589A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10304365A1 (de) * | 2003-02-04 | 2004-08-05 | Ls-Medcap Gmbh | Filtervorrichtung |
| US8641657B2 (en) | 2006-12-01 | 2014-02-04 | Gambro Lundia Ab | Blood transfer chamber |
| EP2099513B2 (en) † | 2006-12-01 | 2015-08-19 | Gambro Lundia AB | A blood transfer chamber |
Also Published As
| Publication number | Publication date |
|---|---|
| US4303530A (en) | 1981-12-01 |
| JPS5466589A (en) | 1979-05-29 |
| AU523126B2 (en) | 1982-07-15 |
| DE2821997A1 (de) | 1979-05-03 |
| BR7804285A (pt) | 1979-06-05 |
| JPS6242627B2 (enExample) | 1987-09-09 |
| BE867629A (fr) | 1978-09-18 |
| IT7824044A0 (it) | 1978-05-31 |
| GB1601827A (en) | 1981-11-04 |
| SE7805979L (sv) | 1979-04-27 |
| CA1117032A (en) | 1982-01-26 |
| NL7806995A (nl) | 1979-05-01 |
| AU3630378A (en) | 1979-11-22 |
| FR2407013B3 (enExample) | 1981-02-06 |
| FR2407013A1 (fr) | 1979-05-25 |
| IT1096609B (it) | 1985-08-26 |
| ES470398A1 (es) | 1979-09-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |