NL194750C - Filters voor het uitwisselen van warmte en vocht. - Google Patents

Filters voor het uitwisselen van warmte en vocht. Download PDF

Info

Publication number: NL194750C
Authority: NL; Netherlands
Prior art keywords: filter; medium; hydrophilic; water; hydrophobic
Prior art date: 1992-06-11

Application number

NL9301022A

Other languages

English (en)

Dutch (nl)

Other versions

NL194750B (nl

NL9301022A (nl

Inventor

Graham Desmond Lowe

Keith Stuart Morris

Roger Edward Page

Richard Guy Gutman

Original Assignee

Pall Corp

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.)

1992-06-11

Filing date

1993-06-11

Publication date

2003-02-04

1993-06-11 Application filed by Pall Corp filed Critical Pall Corp

1994-01-03 Publication of NL9301022A publication Critical patent/NL9301022A/nl

2002-10-01 Publication of NL194750B publication Critical patent/NL194750B/xx

2003-02-04 Application granted granted Critical

2003-02-04 Publication of NL194750C publication Critical patent/NL194750C/nl

Links

XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 57
230000002209 hydrophobic effect Effects 0.000 claims description 28
239000000463 material Substances 0.000 claims description 20
244000005700 microbiome Species 0.000 claims description 9
239000000835 fiber Substances 0.000 claims description 7
229920006395 saturated elastomer Polymers 0.000 claims description 7
239000001913 cellulose Substances 0.000 claims description 4
229920002678 cellulose Polymers 0.000 claims description 4
230000000241 respiratory effect Effects 0.000 claims description 4
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
239000000919 ceramic Substances 0.000 claims description 3
238000012360 testing method Methods 0.000 description 44
239000003570 air Substances 0.000 description 41
239000002609 medium Substances 0.000 description 33
239000007789 gas Substances 0.000 description 14
241000894006 Bacteria Species 0.000 description 10
210000004379 membrane Anatomy 0.000 description 10
239000012528 membrane Substances 0.000 description 10
238000005070 sampling Methods 0.000 description 10
239000007788 liquid Substances 0.000 description 9
239000000443 aerosol Substances 0.000 description 8
238000000034 method Methods 0.000 description 8
239000008223 sterile water Substances 0.000 description 7
238000001914 filtration Methods 0.000 description 6
239000011148 porous material Substances 0.000 description 6
210000004027 cell Anatomy 0.000 description 5
239000006199 nebulizer Substances 0.000 description 5
229920001817 Agar Polymers 0.000 description 4
241000700605 Viruses Species 0.000 description 4
239000008272 agar Substances 0.000 description 4
210000004072 lung Anatomy 0.000 description 4
230000029058 respiratory gaseous exchange Effects 0.000 description 4
238000009423 ventilation Methods 0.000 description 4
241000589539 Brevundimonas diminuta Species 0.000 description 3
230000001580 bacterial effect Effects 0.000 description 3
229920001971 elastomer Polymers 0.000 description 3
239000006260 foam Substances 0.000 description 3
239000011521 glass Substances 0.000 description 3
239000000725 suspension Substances 0.000 description 3
239000006150 trypticase soy agar Substances 0.000 description 3
206010002091 Anaesthesia Diseases 0.000 description 2
239000012080 ambient air Substances 0.000 description 2
230000037005 anaesthesia Effects 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
238000003556 assay Methods 0.000 description 2
239000011230 binding agent Substances 0.000 description 2
230000001332 colony forming effect Effects 0.000 description 2
238000010790 dilution Methods 0.000 description 2
239000012895 dilution Substances 0.000 description 2
230000005684 electric field Effects 0.000 description 2
239000012530 fluid Substances 0.000 description 2
KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
230000007774 longterm Effects 0.000 description 2
239000002245 particle Substances 0.000 description 2
230000001681 protective effect Effects 0.000 description 2
239000011347 resin Substances 0.000 description 2
229920005989 resin Polymers 0.000 description 2
210000002345 respiratory system Anatomy 0.000 description 2
239000000243 solution Substances 0.000 description 2
238000005406 washing Methods 0.000 description 2
241001535291 Analges Species 0.000 description 1
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
244000025254 Cannabis sativa Species 0.000 description 1
235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
229920003043 Cellulose fiber Polymers 0.000 description 1
239000004743 Polypropylene Substances 0.000 description 1
229920000297 Rayon Polymers 0.000 description 1
230000000844 anti-bacterial effect Effects 0.000 description 1
238000013096 assay test Methods 0.000 description 1
230000004888 barrier function Effects 0.000 description 1
239000011324 bead Substances 0.000 description 1
235000021028 berry Nutrition 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
239000001110 calcium chloride Substances 0.000 description 1
229910001628 calcium chloride Inorganic materials 0.000 description 1
235000009120 camo Nutrition 0.000 description 1
239000006285 cell suspension Substances 0.000 description 1
238000005119 centrifugation Methods 0.000 description 1
235000005607 chanvre indien Nutrition 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
238000007796 conventional method Methods 0.000 description 1
239000002274 desiccant Substances 0.000 description 1
239000012153 distilled water Substances 0.000 description 1
239000003814 drug Substances 0.000 description 1
229940079593 drug Drugs 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
210000002175 goblet cell Anatomy 0.000 description 1
239000011487 hemp Substances 0.000 description 1
208000015181 infectious disease Diseases 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
238000003780 insertion Methods 0.000 description 1
230000037431 insertion Effects 0.000 description 1
239000000203 mixture Substances 0.000 description 1
210000004400 mucous membrane Anatomy 0.000 description 1
210000003097 mucus Anatomy 0.000 description 1
210000003928 nasal cavity Anatomy 0.000 description 1
210000001331 nose Anatomy 0.000 description 1
230000000474 nursing effect Effects 0.000 description 1
-1 polypropylene Polymers 0.000 description 1
229920001155 polypropylene Polymers 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
238000011084 recovery Methods 0.000 description 1
238000002791 soaking Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000006228 supernatant Substances 0.000 description 1
210000003437 trachea Anatomy 0.000 description 1
238000010200 validation analysis Methods 0.000 description 1
230000003612 virological effect Effects 0.000 description 1
230000004580 weight loss Effects 0.000 description 1
210000002268 wool Anatomy 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/1045—Devices for humidifying or heating the inspired gas by using recovered moisture or heat from the expired gas
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/105—Filters
- A61M16/1055—Filters bacterial
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/105—Filters
- A61M16/106—Filters in a path
- A61M16/1065—Filters in a path in the expiratory path
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
- A61M16/105—Filters
- A61M16/106—Filters in a path
- A61M16/107—Filters in a path in the inspiratory path
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
- B01D39/2082—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous
- B01D39/2089—Other inorganic materials, e.g. ceramics the material being filamentary or fibrous otherwise bonded, e.g. by resins
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/003—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid
- B01D46/0031—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions including coalescing means for the separation of liquid with collecting, draining means
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/16—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces arranged on non-filtering conveyors or supports
- 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
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/08—Bellows; Connecting tubes ; Water traps; Patient circuits
- A61M16/0816—Joints or connectors
- A61M16/0833—T- or Y-type connectors, e.g. Y-piece
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/18—Testing of filters, filter elements, sealings
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/10—Multiple layers

Landscapes

Health & Medical Sciences (AREA)
Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Animal Behavior & Ethology (AREA)
Veterinary Medicine (AREA)
Biomedical Technology (AREA)
Heart & Thoracic Surgery (AREA)
Hematology (AREA)
Pulmonology (AREA)
Emergency Medicine (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Anesthesiology (AREA)
Ceramic Engineering (AREA)
Inorganic Chemistry (AREA)
Geology (AREA)
Filtering Materials (AREA)
External Artificial Organs (AREA)
Respiratory Apparatuses And Protective Means (AREA)
Separation Using Semi-Permeable Membranes (AREA)

NL9301022A 1992-06-11 1993-06-11 Filters voor het uitwisselen van warmte en vocht. NL194750C (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB929212399A GB9212399D0 (en)	1992-06-11	1992-06-11	Heat and moisture exchanging filters
GB9212399		1992-06-11

Publications (3)

Publication Number	Publication Date
NL9301022A NL9301022A (nl)	1994-01-03
NL194750B NL194750B (nl)	2002-10-01
NL194750C true NL194750C (nl)	2003-02-04

Family

ID=10716927

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL9301022A NL194750C (nl)	1992-06-11	1993-06-11	Filters voor het uitwisselen van warmte en vocht.

Country Status (16)

Country	Link
JP (1)	JPH0663141A (da)
AT (1)	AT403657B (da)
AU (1)	AU667538B2 (da)
CA (1)	CA2098132C (da)
CH (1)	CH687297A5 (da)
DE (1)	DE4319458B4 (da)
DK (1)	DK174117B1 (da)
ES (1)	ES2074002B1 (da)
FI (1)	FI110236B (da)
FR (2)	FR2692153A1 (da)
GB (2)	GB9212399D0 (da)
GR (1)	GR930100236A (da)
IT (1)	IT1260845B (da)
NL (1)	NL194750C (da)
NO (1)	NO302861B1 (da)
SE (1)	SE510976C3 (da)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE1009575A3 (nl) *	1995-08-28	1997-05-06	Anthony Jean M	Toestel om warmte- en vochtverlies te compenseren in een inrichting die lucht aan een patient toedient of restitueert.
US5575279A (en) *	1996-01-02	1996-11-19	Emergency Filtration Products, Inc.	Dual-filtered rotary isolation valve for resusciation
GB9704241D0 (en) *	1997-02-28	1997-04-16	Smiths Industries Plc	Gas-treatment devices
WO1999003525A1 (en)	1997-07-16	1999-01-28	Pall Corporation	Breathing filter
FR2770137B1 (fr) *	1997-10-27	2000-01-28	Georges Boussignac	Dispositif d'assistance respiratoire
NL1007699C2 (nl) *	1997-12-04	1999-06-09	Medisize Bv	Beademingssysteem.
DE19903732B4 (de)	1999-01-30	2007-12-13	Gottlieb Weinmann - Geräte für Medizin und Arbeitsschutz - GmbH + Co KG	Vorrichtung zur Beatmung sowie Verfahren zur Aufbereitung eines Beatmungsgases
EP1068889A1 (en)	1999-07-16	2001-01-17	3M Innovative Properties Company	High efficiency medical breathing system filter based on a filtration medium of a nonwoven web of thermoplastic resin fibers
DE19950717B4 (de) *	1999-10-21	2004-06-24	DRäGER AEROSPACE GMBH	Atemmaske
JP4358507B2 (ja) *	2000-12-01	2009-11-04	ミリポア・コーポレイション	多機能バリヤフィルターを備えた化学プロセスシステム
KR100436438B1 (ko) *	2001-11-06	2004-06-16	김유복	숯이 함유된 엠보싱 멀칭비닐의 제조방법
DE10238683A1 (de) *	2002-08-19	2004-03-11	Rist, Max, Dr.	Vorrichtung zur Beeinflussung von Gasflüssen
WO2008044792A1 (en) *	2006-10-10	2008-04-17	Furrex Co., Ltd.	Heat and moisture exchanger for patient breathing
US8567391B2 (en)	2006-10-10	2013-10-29	Furrex Co., Ltd.	Heat and moisture exchanger, heat and moisture exchanging device, and mask
US8079574B2 (en)	2007-05-16	2011-12-20	ZenPure Corp.	Membrane based contactor module for mass and heat transfer
US8105410B2 (en) *	2007-07-17	2012-01-31	Teleflex Medical Incorporated	Water dissipation device with capillary action
US8236081B2 (en)	2007-07-17	2012-08-07	Teleflex Medical Incorporated	Permeable membrane water dissipation device
US8252081B2 (en)	2007-07-17	2012-08-28	Teleflex Medical Incorporated	Water dissipation device and method
DE102008049177B3 (de) *	2008-09-26	2010-02-04	Dräger Medical AG & Co. KG	Vorrichtung zur Steuerung des Atemgasflusses
GB0919903D0 (en) *	2009-11-13	2009-12-30	Cambridge Design Res Llp	Ventilator gas humidification device
GB2539121B (en)	2012-03-15	2017-03-22	Fisher & Paykel Healthcare Ltd	Respiratory gas humidification system
EP2647401A1 (en) *	2012-04-04	2013-10-09	Covidien AG	A filter of absorbing, retaining and releasing heat and/or moisture of exhaled and inhaled gas and method of forming such a filter
BR112014026771B1 (pt)	2012-04-27	2022-03-15	Fisher & Paykel Healthcare Limited	Aparelho de umidificação para sistema de umidificação respiratória
GB2514477A (en)	2013-04-04	2014-11-26	Forderung Von Medizin Bio Und Umwelttechnologien E V Fachsektion Dresden Ges	A particle filtering material
GB2580554B (en)	2013-09-13	2020-12-30	Fisher & Paykel Healthcare Ltd	Connections for humidification system
US10449319B2 (en)	2014-02-07	2019-10-22	Fisher & Paykel Healthcare Limited	Respiratory humidification system
BR112016026576B1 (pt) *	2014-05-12	2022-06-14	Saint-Gobain Performance Plastics Corporation	Filtro de recuperação de líquido
EP4670770A3 (en)	2014-06-03	2026-01-07	Fisher & Paykel Healthcare Limited	A humidification chamber for a respiratory therapy apparatus
US20170189727A1 (en) *	2014-06-04	2017-07-06	Free Air, Inc.	Systems and methods for removing ultra-fine particles from air
EP3551978B1 (en)	2016-12-07	2022-01-26	Fisher&Paykel Healthcare Limited	Sensing arrangements for medical devices
WO2021176291A1 (en) *	2020-03-06	2021-09-10	3M Innovative Properties Company	Counterflow energy recovery ventilator core comprising seamless pleated support media
US10926209B1 (en)	2020-06-05	2021-02-23	Celios Corporation	Air filtration system, air filtration device, and air filtration module for use therewith
US10870076B1 (en)	2020-06-05	2020-12-22	Celios Corporation	Air filtration system, air filtration device, and air filtration module for use therewith
CN115769057A (zh) *	2020-07-02	2023-03-07	菲利普莫里斯生产公司	用于评估过滤介质的测试室设备

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1261247A (fr) *	1960-03-25	1961-05-19	Saint Gobain	Matériau incombustible filtrant, notamment pour la filtration des gaz
GB933852A (en) *	1961-07-10	1963-08-14	Fram Corp	Separator for immiscible fluids
JPS4936904A (da) *	1972-08-15	1974-04-05
GB1485128A (en) *	1974-12-17	1977-09-08	Marshall D	Bonded two-stage high efficiency filter
JPS523911Y2 (da) *	1975-03-20	1977-01-27
DE2851564A1 (de) *	1978-11-29	1980-06-04	Siemens Ag	Vorrichtung zum anwaermen und befeuchten eines beatmungsgases
US4360018A (en) *	1979-12-20	1982-11-23	American Hospital Supply Corporation	Anesthesia system and method of filtering respiratory gas
US4344999A (en) *	1980-04-22	1982-08-17	W. L. Gore & Associates, Inc.	Breathable laminate
US4459139A (en) *	1981-09-14	1984-07-10	Gelman Sciences Inc.	Disposable filter device and liquid aspirating system incorporating same
JPS6068093A (ja) *	1983-09-21	1985-04-18	Mitsubishi Rayon Co Ltd	水処理システム
SU1342514A1 (ru) *	1984-11-26	1987-10-07	Всесоюзный научно-исследовательский институт горноспасательного дела	Влаготеплообменное устройство дыхательного аппарата на химически св занном кислороде
EP0246917B1 (en) *	1986-05-23	1992-07-22	W.L. Gore & Associates, Inc.	High performance gas filter
AU7943387A (en) *	1986-10-16	1988-04-21	Intertech Resources Inc.	Heat and moisture exchanger for respiratory gases
US5022394A (en) *	1988-10-11	1991-06-11	Homecare Of Dearborn	Heat and moisture exchanger device for tracheostomy patients
DD278501A1 (de) *	1988-12-27	1990-05-09	Medizin Labortechnik Veb K	Vorrichtung zum anwaermen und befeuchten von beatmungsgasen
GB8916361D0 (en) *	1989-07-18	1989-09-06	Smiths Industries Plc	Filters
DE3942813A1 (de) *	1989-12-23	1991-06-27	Akzo Gmbh	Laminat

1992
- 1992-06-11 GB GB929212399A patent/GB9212399D0/en active Pending
1993
- 1993-06-08 GR GR930100236A patent/GR930100236A/el unknown
- 1993-06-09 GB GB9311889A patent/GB2267661B/en not_active Expired - Lifetime
- 1993-06-09 AT AT0112593A patent/AT403657B/de not_active IP Right Cessation
- 1993-06-09 SE SE9301970A patent/SE510976C3/sv unknown
- 1993-06-10 CA CA002098132A patent/CA2098132C/en not_active Expired - Lifetime
- 1993-06-10 IT ITTO930424A patent/IT1260845B/it active IP Right Grant
- 1993-06-10 FI FI932661A patent/FI110236B/fi not_active IP Right Cessation
- 1993-06-10 ES ES09301272A patent/ES2074002B1/es not_active Expired - Fee Related
- 1993-06-10 NO NO932126A patent/NO302861B1/no not_active IP Right Cessation
- 1993-06-11 JP JP5140876A patent/JPH0663141A/ja active Pending
- 1993-06-11 AU AU40184/93A patent/AU667538B2/en not_active Expired
- 1993-06-11 DK DK199300701A patent/DK174117B1/da not_active IP Right Cessation
- 1993-06-11 NL NL9301022A patent/NL194750C/nl not_active IP Right Cessation
- 1993-06-11 FR FR9307091A patent/FR2692153A1/fr active Pending
- 1993-06-11 CH CH01755/93A patent/CH687297A5/de not_active IP Right Cessation
- 1993-06-11 DE DE4319458A patent/DE4319458B4/de not_active Expired - Lifetime
1997
- 1997-06-18 FR FR9707568A patent/FR2749173B1/fr not_active Expired - Lifetime

Also Published As

Publication number	Publication date
ITTO930424A1 (it)	1994-12-10
GB2267661A (en)	1993-12-15
GB9311889D0 (en)	1993-07-28
SE510976C2 (sv)	1999-07-19
ES2074002R (da)	1997-12-16
GR930100236A (el)	1994-02-28
AT403657B (de)	1998-04-27
FR2692153A1 (fr)	1993-12-17
JPH0663141A (ja)	1994-03-08
FR2749173B1 (fr)	1998-11-06
FR2749173A1 (fr)	1997-12-05
FI932661A0 (fi)	1993-06-10
ATA112593A (de)	1997-09-15
AU667538B2 (en)	1996-03-28
AU4018493A (en)	1993-12-16
DE4319458A1 (de)	1993-12-16
IT1260845B (it)	1996-04-23
SE510976C3 (sv)	1999-08-30
CA2098132C (en)	2000-10-17
FI110236B (fi)	2002-12-31
DE4319458B4 (de)	2005-06-09
FI932661L (fi)	1993-12-12
NL194750B (nl)	2002-10-01
NO932126L (no)	1993-12-13
ES2074002A2 (es)	1995-08-16
NO932126D0 (no)	1993-06-10
DK174117B1 (da)	2002-07-01
NO302861B1 (no)	1998-05-04
GB9212399D0 (en)	1992-07-22
SE9301970L (sv)	1993-12-12
ITTO930424A0 (it)	1993-06-10
SE9301970D0 (sv)	1993-06-09
CH687297A5 (de)	1996-11-15
DK70193D0 (da)	1993-06-11
ES2074002B1 (es)	1998-07-01
CA2098132A1 (en)	1993-12-12
DK70193A (da)	1993-12-12
GB2267661B (en)	1995-10-18
NL9301022A (nl)	1994-01-03

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Date	Code	Title	Description
1996-02-01	BA	A request for search or an international-type search has been filed
1996-06-03	BB	A search report has been drawn up
1996-08-01	BC	A request for examination has been filed
2013-06-19	V4	Discontinued because of reaching the maximum lifetime of a patent	Effective date: 20130611

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