GB2000685B - Vented filter assembly - Google Patents

Vented filter assembly

Info

Publication number
GB2000685B
GB2000685B GB7829031A GB7829031A GB2000685B GB 2000685 B GB2000685 B GB 2000685B GB 7829031 A GB7829031 A GB 7829031A GB 7829031 A GB7829031 A GB 7829031A GB 2000685 B GB2000685 B GB 2000685B
Authority
GB
United Kingdom
Prior art keywords
filter assembly
vented filter
vented
assembly
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
Application number
GB7829031A
Other versions
GB2000685A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Johnson and Johnson
Original Assignee
Johnson and Johnson
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to US81437277A priority Critical
Priority to US83026277A priority
Application filed by Johnson and Johnson filed Critical Johnson and Johnson
Publication of GB2000685A publication Critical patent/GB2000685A/en
Application granted granted Critical
Publication of GB2000685B publication Critical patent/GB2000685B/en
Application status is Expired legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/165Filtering accessories, e.g. blood filters, filters for infusion liquids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/24Check- or non-return valves
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/0031Degasification of liquids by filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/001Filters in combination with devices for the removal of gas, air purge systems
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/165Filtering accessories, e.g. blood filters, filters for infusion liquids
    • A61M2005/1657Filter with membrane, e.g. membrane, flat sheet type infusion filter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/24Check- or non-return valves
    • A61M2039/242Check- or non-return valves designed to open when a predetermined pressure or flow rate has been reached, e.g. check valve actuated by fluid
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/24Check- or non-return valves
    • A61M2039/2473Valve comprising a non-deformable, movable element, e.g. ball-valve, valve with movable stopper or reciprocating element
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M39/00Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22Valves or arrangement of valves
    • A61M39/24Check- or non-return valves
    • A61M2039/2473Valve comprising a non-deformable, movable element, e.g. ball-valve, valve with movable stopper or reciprocating element
    • A61M2039/248Ball-valve
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/75General characteristics of the apparatus with filters
    • A61M2205/7527General characteristics of the apparatus with filters liquophilic, hydrophilic
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/75General characteristics of the apparatus with filters
    • A61M2205/7536General characteristics of the apparatus with filters allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
    • A61M5/38Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/36Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
    • A61M5/38Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters
    • A61M5/385Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body using hydrophilic or hydrophobic filters using hydrophobic filters
GB7829031A 1977-07-08 1978-07-06 Vented filter assembly Expired GB2000685B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US81437277A true 1977-07-08 1977-07-08
US83026277A true 1977-09-02 1977-09-02

Publications (2)

Publication Number Publication Date
GB2000685A GB2000685A (en) 1979-01-17
GB2000685B true GB2000685B (en) 1982-03-10

Family

ID=27123838

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7829031A Expired GB2000685B (en) 1977-07-08 1978-07-06 Vented filter assembly

Country Status (12)

Country Link
JP (1) JPS5434178A (en)
AR (1) AR219329A1 (en)
AU (1) AU3775578A (en)
BR (1) BR7804402A (en)
DE (1) DE2829583A1 (en)
ES (1) ES471539A1 (en)
FR (2) FR2409783A1 (en)
GB (1) GB2000685B (en)
IT (1) IT1156848B (en)
NL (1) NL7807378A (en)
PT (1) PT68265A (en)
SE (1) SE7807644A (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD644731S1 (en) 2010-03-23 2011-09-06 Icu Medical, Inc. Medical connector
US8105314B2 (en) 2006-10-25 2012-01-31 Icu Medical, Inc. Medical connector
US8409164B2 (en) 2008-08-20 2013-04-02 Icu Medical, Inc. Anti-reflux vial adaptors
US8444628B2 (en) 2000-07-11 2013-05-21 Icu Medical, Inc. Needleless medical connector
US8454579B2 (en) 2009-03-25 2013-06-04 Icu Medical, Inc. Medical connector with automatic valves and volume regulator
US8512307B2 (en) 2007-03-09 2013-08-20 Icu Medical, Inc. Vial adaptors and vials for regulating pressure
US8758306B2 (en) 2010-05-17 2014-06-24 Icu Medical, Inc. Medical connectors and methods of use
US8827977B2 (en) 2006-04-12 2014-09-09 Icu Medical, Inc. Vial adaptors and methods for regulating pressure
US9089475B2 (en) 2013-01-23 2015-07-28 Icu Medical, Inc. Pressure-regulating vial adaptors
US9132062B2 (en) 2011-08-18 2015-09-15 Icu Medical, Inc. Pressure-regulating vial adaptors
US9186494B2 (en) 2004-11-05 2015-11-17 Icu Medical, Inc. Medical connector
USD786427S1 (en) 2014-12-03 2017-05-09 Icu Medical, Inc. Fluid manifold
USD793551S1 (en) 2014-12-03 2017-08-01 Icu Medical, Inc. Fluid manifold
US10292904B2 (en) 2016-01-29 2019-05-21 Icu Medical, Inc. Pressure-regulating vial adaptors

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4276170A (en) * 1978-08-16 1981-06-30 Critikon, Inc. Vented flexible filtration device for use in administering parenteral liquids
US4439188A (en) * 1980-09-15 1984-03-27 Baxter Travenol Laboratories, Inc. Tube connector
US4304670A (en) * 1979-04-03 1981-12-08 Terumo Corporation Blood filter with air trap and distributing chamber
SE7905956L (en) * 1979-07-09 1981-01-10 Gambro Dialysatoren Column for treating a vetska by a particulate material
JPS6366244B2 (en) * 1979-11-26 1988-12-20 Sekisui Kagaku Kogyo Kk
US4515606A (en) * 1981-03-19 1985-05-07 Brunswick Corporation Gas separating and venting filter
DE3113934A1 (en) * 1981-04-07 1982-10-28 Hausmann Ag Labor A device for continuous ambulatory peritoneal dialysis
DE3115299C2 (en) * 1981-04-15 1984-08-16 Fresenius Ag, 6380 Bad Homburg, De
DE3175724D1 (en) * 1981-09-23 1987-01-29 Intermedicat Gmbh Check valve for use with intravenous administration sets
DE3141388A1 (en) * 1981-10-17 1983-06-09 Sartorius Gmbh Filter unit
US4493705A (en) * 1982-08-10 1985-01-15 Bentley Laboratories, Inc. Blood reservoir
DE3304951A1 (en) * 1983-02-12 1984-08-16 Akzo Gmbh An apparatus for filtering a liquid
CA1182758A (en) * 1983-12-09 1985-02-19 Anthony N. Sharpe Apparatus for filtration
JP2557283B2 (en) * 1989-06-13 1996-11-27 和子 坂本 Bag-like filter
AU5347390A (en) * 1989-06-13 1991-01-08 Atsunobu Sakamoto Bag-like filter
US5308333A (en) * 1991-12-06 1994-05-03 Baxter International Inc. Air eliminating intravenous infusion pump set
FR2711319B1 (en) * 1993-10-19 1995-12-08 Medex Sa An apparatus for medical liquid injection.
EP1258262A3 (en) * 1993-10-28 2002-12-18 Medrad, Inc. Total system for contrast delivery
GB2305370B (en) * 1995-09-19 1997-10-29 Asahi Medical Co Device for depletion of leukocytes
US5827429A (en) * 1996-01-18 1998-10-27 Filtertek Inc. Intravenous filter device
US5634905A (en) * 1996-02-14 1997-06-03 W. L. Gore & Associates, Inc. Apparatus for the prevention of retrograde movement of fluids during the use of air eliminating filters in intravenous therapy
US6360784B1 (en) * 1999-12-22 2002-03-26 Medtronic, Inc. Valved connector and method of use
US6497685B1 (en) 2000-03-24 2002-12-24 Baxter International Inc. Integral intravenous chamber and filter
EP1542743A1 (en) 2002-07-09 2005-06-22 Gambro Lundia AB An infusion device for medical use
US8747342B2 (en) 2006-10-30 2014-06-10 Gambro Lundia Ab Air separator for extracorporeal fluid treatment sets
US8728020B2 (en) 2007-10-04 2014-05-20 Gambro Lundia Ab Infusion apparatus
DK2371408T3 (en) * 2010-03-31 2013-11-04 Hoffmann La Roche An apparatus for degassing of liquid drugs and ambulatory infusion system that includes a degasser
DK2455126T3 (en) * 2010-11-15 2017-06-06 F Hoffmann-La Roche Ag A container for storage of medical or pharmaceutical fluids
WO2013106757A1 (en) 2012-01-13 2013-07-18 Icu Medical, Inc. Pressure-regulating vial adaptors and methods
WO2013142618A1 (en) 2012-03-22 2013-09-26 Icu Medical, Inc. Pressure-regulating vial adaptors
AU2014209594B2 (en) 2013-01-23 2018-09-13 Icu Medical, Inc. Pressure-regulating vial adaptors
EP3157491A4 (en) 2014-06-20 2018-01-24 ICU Medical, Inc. Pressure-regulating vial adaptors
EP3271045A4 (en) * 2015-03-20 2019-01-02 Saint Gobain Performance Plastics Corp Connection-free filter capsule apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1054073A (en) * 1968-12-26 1979-05-08 Nat Shaye Gas purging fluid filter
US3675780A (en) * 1970-09-25 1972-07-11 Robert A Marshall Filter device
JPS544121Y2 (en) * 1974-07-05 1979-02-23
FR2314753A1 (en) * 1975-06-16 1977-01-14 Millipore Corp Disposable filter for intravenous liquid treatment - having rectangular plastic housing with microporous membrane
JPS5949018B2 (en) * 1976-10-15 1984-11-30 Asahi Kasei Kogyo Kk

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8870850B2 (en) 2000-07-11 2014-10-28 Icu Medical, Inc. Medical connector
US9238129B2 (en) 2000-07-11 2016-01-19 Icu Medical, Inc. Medical connector
US8444628B2 (en) 2000-07-11 2013-05-21 Icu Medical, Inc. Needleless medical connector
US9186494B2 (en) 2004-11-05 2015-11-17 Icu Medical, Inc. Medical connector
US9415200B2 (en) 2004-11-05 2016-08-16 Icu Medical, Inc. Medical connector
US10327992B2 (en) 2006-04-12 2019-06-25 Icu Medical, Inc. Fluid transfer apparatus with pressure regulation
US10022302B2 (en) 2006-04-12 2018-07-17 Icu Medical, Inc. Devices for transferring medicinal fluids to or from a container
US10327993B2 (en) 2006-04-12 2019-06-25 Icu Medical, Inc. Vial access devices
US8827977B2 (en) 2006-04-12 2014-09-09 Icu Medical, Inc. Vial adaptors and methods for regulating pressure
US10327991B2 (en) 2006-04-12 2019-06-25 Icu Medical, Inc. Fluid transfer apparatus with filtered air input
US10327989B2 (en) 2006-04-12 2019-06-25 Icu Medical, Inc. Devices and methods for transferring fluid to or from a vial
US9993391B2 (en) 2006-04-12 2018-06-12 Icu Medical, Inc. Devices and methods for transferring medicinal fluid to or from a container
US8882738B2 (en) 2006-04-12 2014-11-11 Icu Medical, Inc. Locking vial adaptors and methods
US8945084B2 (en) 2006-04-12 2015-02-03 Icu Medical, Inc. Pressure-regulating vial adaptors and methods
US8974433B2 (en) 2006-04-12 2015-03-10 Icu Medical, Inc. Pressure-regulating vials and containers
US8992501B2 (en) 2006-04-12 2015-03-31 Icu Medical, Inc. Pressure-regulating vial adaptors and methods
US9005180B2 (en) 2006-04-12 2015-04-14 Icu Medical, Inc. Vial adaptors and methods for regulating pressure
US9005179B2 (en) 2006-04-12 2015-04-14 Icu Medical, Inc. Pressure-regulating apparatus for withdrawing medicinal fluid from a vial
US9060921B2 (en) 2006-04-12 2015-06-23 Icu Medical, Inc. Air-filtering vial adaptors and methods
US9072657B2 (en) 2006-04-12 2015-07-07 Icu Medical, Inc. Pressure-regulating vial adaptors and methods
US9993390B2 (en) 2006-04-12 2018-06-12 Icu Medical, Inc. Pressure-regulating vial adaptors and methods
US8398607B2 (en) 2006-10-25 2013-03-19 Icu Medical, Inc. Medical connector
US8628515B2 (en) 2006-10-25 2014-01-14 Icu Medical, Inc. Medical connector
US9533137B2 (en) 2006-10-25 2017-01-03 Icu Medical, Inc. Medical connector
US8105314B2 (en) 2006-10-25 2012-01-31 Icu Medical, Inc. Medical connector
US8540692B2 (en) 2007-03-09 2013-09-24 Icu Medical, Inc. Adaptors for removing medicinal fluids from vials
US9107808B2 (en) 2007-03-09 2015-08-18 Icu Medical, Inc. Adaptors for removing medicinal fluids from a container
US8512307B2 (en) 2007-03-09 2013-08-20 Icu Medical, Inc. Vial adaptors and vials for regulating pressure
US9351905B2 (en) 2008-08-20 2016-05-31 Icu Medical, Inc. Anti-reflux vial adaptors
US8409164B2 (en) 2008-08-20 2013-04-02 Icu Medical, Inc. Anti-reflux vial adaptors
US9278206B2 (en) 2009-03-25 2016-03-08 Icu Medical, Inc. Medical connectors and methods of use
US9440060B2 (en) 2009-03-25 2016-09-13 Icu Medical, Inc. Medical connectors and methods of use
US8454579B2 (en) 2009-03-25 2013-06-04 Icu Medical, Inc. Medical connector with automatic valves and volume regulator
USD644731S1 (en) 2010-03-23 2011-09-06 Icu Medical, Inc. Medical connector
US9205243B2 (en) 2010-05-17 2015-12-08 Icu Medical, Inc. Medical connectors and methods of use
US9192753B2 (en) 2010-05-17 2015-11-24 Icu Medical, Inc. Medical connectors and methods of use
US8758306B2 (en) 2010-05-17 2014-06-24 Icu Medical, Inc. Medical connectors and methods of use
US9132062B2 (en) 2011-08-18 2015-09-15 Icu Medical, Inc. Pressure-regulating vial adaptors
US9089475B2 (en) 2013-01-23 2015-07-28 Icu Medical, Inc. Pressure-regulating vial adaptors
USD849939S1 (en) 2014-12-03 2019-05-28 Icu Medical, Inc. Fluid manifold
USD826400S1 (en) 2014-12-03 2018-08-21 Icu Medical, Inc. Fluid manifold
USD786427S1 (en) 2014-12-03 2017-05-09 Icu Medical, Inc. Fluid manifold
USD793551S1 (en) 2014-12-03 2017-08-01 Icu Medical, Inc. Fluid manifold
US10292904B2 (en) 2016-01-29 2019-05-21 Icu Medical, Inc. Pressure-regulating vial adaptors

Also Published As

Publication number Publication date
PT68265A (en) 1978-08-01
DE2829583A1 (en) 1979-03-22
IT1156848B (en) 1987-02-04
AU3775578A (en) 1980-01-10
FR2409783A1 (en) 1979-06-22
GB2000685A (en) 1979-01-17
BR7804402A (en) 1979-05-08
JPS5434178A (en) 1979-03-13
AR219329A1 (en) 1980-08-15
SE7807644A (en) 1979-01-12
FR2409760A1 (en) 1979-06-22
NL7807378A (en) 1979-01-10
ES471539A1 (en) 1979-10-01
IT7850189D0 (en) 1978-07-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee