IN172008B - - Google Patents
Info
- Publication number
- IN172008B IN172008B IN423/CAL/89A IN423CA1989A IN172008B IN 172008 B IN172008 B IN 172008B IN 423CA1989 A IN423CA1989 A IN 423CA1989A IN 172008 B IN172008 B IN 172008B
- Authority
- IN
- India
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/005—Making filter elements not provided for elsewhere
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/04—Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper
- B01D27/06—Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper with corrugated, folded or wound material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/08—Construction of the casing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/10—Safety devices, e.g. by-passes
- B01D27/103—Bypass or safety valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D27/00—Cartridge filters of the throw-away type
- B01D27/10—Safety devices, e.g. by-passes
- B01D27/106—Anti-leakage or anti-return valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
- B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/147—Bypass or safety valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/153—Anti-leakage or anti-return valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/24—Tools used for the removal of filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/34—Seals or gaskets for filtering elements
-
- 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
- Y10S210/00—Liquid purification or separation
- Y10S210/17—Twist-on
-
- 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
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Filtration Of Liquid (AREA)
- Filtering Materials (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/205,632 US4992166A (en) | 1988-06-13 | 1988-06-13 | Plastic fluid filter and method for manufacturing same |
Publications (1)
Publication Number | Publication Date |
---|---|
IN172008B true IN172008B (fi) | 1993-03-13 |
Family
ID=22762990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN423/CAL/89A IN172008B (fi) | 1988-06-13 | 1989-06-01 |
Country Status (11)
Country | Link |
---|---|
US (1) | US4992166A (fi) |
EP (1) | EP0346692B1 (fi) |
JP (1) | JPH0286804A (fi) |
KR (1) | KR920004203B1 (fi) |
AR (1) | AR242118A1 (fi) |
BR (1) | BR8902812A (fi) |
CA (1) | CA1328626C (fi) |
DE (1) | DE68914036T2 (fi) |
ES (1) | ES2051323T3 (fi) |
IN (1) | IN172008B (fi) |
MX (1) | MX169283B (fi) |
Families Citing this family (75)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2222534B (en) * | 1988-09-09 | 1992-11-25 | Process Scient Innovations | Filter assembly and cartridge therefor |
US5133858A (en) * | 1989-11-30 | 1992-07-28 | Layton Manufacturing Corporation | Reverse osmosis water purification apparatus |
IT1240537B (it) * | 1990-08-08 | 1993-12-17 | Gilardini Spa | Filtro per combustibile di motore a combustione interna, con coperchioa fissaggio rapido |
DE4035181A1 (de) * | 1990-11-06 | 1992-05-07 | Bosch Gmbh Robert | Fluessigkeitsfilter |
US5171430A (en) * | 1991-05-17 | 1992-12-15 | Fleetguard, Inc. | Plastic filter |
US5182015A (en) * | 1991-07-02 | 1993-01-26 | Alberee Ltd., Inc. | Plastic oil filter assembly |
US5203994A (en) * | 1991-08-16 | 1993-04-20 | Stanadyne Automotive Corp. | Fuel filter retention system |
DE69211286D1 (de) * | 1991-10-24 | 1996-07-11 | Teijin Ltd | Automobilteile und Sammelbehälter für Kraftstoffdämpfe |
JPH08909U (ja) * | 1991-11-08 | 1996-06-07 | 洋志 杉下 | 焼却可能なオイルフィルター |
WO1993014858A1 (en) * | 1992-01-22 | 1993-08-05 | Allied-Signal Inc. | Quick connect/disconnect liquid filter |
US5248414A (en) * | 1992-04-20 | 1993-09-28 | Facet International, Inc. | Filter having improved means of positive shutoff incorporating sleeve valve seat |
USRE36129E (en) * | 1992-07-08 | 1999-03-09 | Dana Corporation | Air filter sealing groove |
US5301958A (en) * | 1992-08-07 | 1994-04-12 | Dana Corporation | Seal for spin-on filter having circumferential retaining groove |
US5344558A (en) * | 1993-02-16 | 1994-09-06 | Amway Corporation | Water filter cartridge |
US5536395A (en) * | 1993-03-22 | 1996-07-16 | Amway Corporation | Home water purification system with automatic disconnecting of radiant energy source |
US5342519A (en) * | 1993-07-30 | 1994-08-30 | Donaldson Company, Inc. | Fluid filter cartridge with replaceable filter element |
AU8011794A (en) * | 1993-09-29 | 1995-04-18 | Fleetguard, Inc. | Fluid filter assembly for vehicles |
DE4344983A1 (de) * | 1993-12-30 | 1995-07-13 | Hoechst Ag | Flüssigkeitsfilter |
US5556540A (en) * | 1994-06-30 | 1996-09-17 | Brunsting; William J. | Magnetic assembly for a closed pressurized flow path of lubricating oil |
US5643448A (en) * | 1994-09-26 | 1997-07-01 | Glacier Metal Company Limited | Spin-on filter assembly incorporating a re-usable tubular filter screen |
US5817234A (en) * | 1995-04-13 | 1998-10-06 | Advanced Performance Technology, Inc. | Fluid filter and method for assembling same |
US5667678A (en) * | 1995-04-13 | 1997-09-16 | Advanced Performance Technology, Inc. | Plastic fluid filter and method for assembling same |
US5569373A (en) * | 1995-06-28 | 1996-10-29 | Smith; Gerald F. | Reusable fluid filter and adapter |
US5690814A (en) * | 1996-02-06 | 1997-11-25 | Dana Corporation | Spin-on filter with transparent container portion |
US5714063A (en) * | 1996-05-28 | 1998-02-03 | Brunsting; William J. | Apparatus for the removal of ferrous particles from liquids |
US5855293A (en) * | 1996-09-27 | 1999-01-05 | Automotive Fluid Systems, Inc. | Pressure vessel and method of manufacture thereof |
US5783078A (en) * | 1996-10-12 | 1998-07-21 | Dana Corporation | Fuel/water separator filter without flow diverters and method of making same |
US5772881A (en) * | 1996-11-08 | 1998-06-30 | Champion Laboratories, Inc. | Non-metallic spin-on filter |
US5817233A (en) * | 1997-01-17 | 1998-10-06 | Fluid Magnetics, Inc. | Magnetic filtering apparatus |
US5902478A (en) * | 1997-02-12 | 1999-05-11 | Advanced Performance Technology, Inc. | Filter anti-rotation device |
US6045693A (en) * | 1997-07-24 | 2000-04-04 | Fleetguard, Inc. | Spin-on filter assembly |
US5996810A (en) * | 1997-07-24 | 1999-12-07 | Fleetguard, Inc. | Fluid filter assembly |
US5904357A (en) * | 1997-07-24 | 1999-05-18 | Fleetguard, Inc. | Fluid filter seal arrangement |
US6073937A (en) * | 1997-12-03 | 2000-06-13 | Caterpillar Inc. | Composite top plate for a fluid filter and an associated method for forming a composite top plate adapted for attachment to a fluid filter |
US6019229A (en) * | 1997-12-18 | 2000-02-01 | Fleetguard, Inc. | Self-centering, floating retainer for spin-on filter |
JP2002504650A (ja) * | 1998-02-26 | 2002-02-12 | ▲楊▼士恒 | 内燃機関起動前エンジンオイル予備加圧視認性濾過器 |
US6264833B1 (en) * | 1998-12-14 | 2001-07-24 | Alliedsignal Inc. | Coolant filter assembly for a vehicle |
US6217762B1 (en) * | 1999-03-29 | 2001-04-17 | Jeffrey G. Rooney | Specially adapted oil filter casing |
US6488848B1 (en) | 2000-04-24 | 2002-12-03 | Vortex International, Llc | Cleanable filter with ported cylinder adjacent screen |
US6818125B2 (en) * | 2000-04-24 | 2004-11-16 | Vortex International, Llc | Engine block with angled oil outlets |
US6540914B1 (en) | 2000-04-24 | 2003-04-01 | Vortex International, Llc | Cleanable filter with spinning screen |
US6651823B1 (en) | 2000-05-15 | 2003-11-25 | Honeywell International Inc. | Plastic filter housing formed from multiple sections and having a skewed weld seam, and filter incorporating same |
US6540909B2 (en) | 2001-03-07 | 2003-04-01 | Davco Technology, Llc | Fluid filter with pressure relief valve |
US6554140B2 (en) | 2000-12-19 | 2003-04-29 | Fleetguard, Inc. | Spin-on filter assembly |
US6666968B2 (en) | 2001-03-22 | 2003-12-23 | Vortex International, Llc | Fluid filtration apparatus |
US6994787B1 (en) * | 2002-05-31 | 2006-02-07 | Wix Filtration Corp. | Clear plastic injection molded fuel/water separator |
US6843377B1 (en) | 2002-06-04 | 2005-01-18 | Dana Corporation | Spacer and filter assembly utilizing the spacer |
CA2394514A1 (en) * | 2002-07-23 | 2004-01-23 | Cognos Incorporated | Method and system for parameterized database drill-through |
US20050178716A1 (en) * | 2002-10-08 | 2005-08-18 | Pti Technologies, Inc. | Filter assembly and filter element with integral seal |
US6959819B2 (en) * | 2002-10-08 | 2005-11-01 | Pti Technologies, Inc. | Fatigue rated glass filled plastic filter assembly incorporating a coreless plastic filter element with integral seal |
US20040079401A1 (en) * | 2002-10-24 | 2004-04-29 | Smith Gerald F. | Re-useable filter cleaning apparatus |
US6969458B1 (en) | 2003-07-23 | 2005-11-29 | Wix Filtration Corp. | Filter |
US20050040088A1 (en) * | 2003-08-22 | 2005-02-24 | Cline L. Steven | One piece elastomer relief and anti-drain back valves for fluid filter |
US20050077220A1 (en) * | 2003-10-14 | 2005-04-14 | L. Steven Cline | Valve and spring for fluid filter |
US20050161378A1 (en) * | 2004-01-23 | 2005-07-28 | Cline L. S. | Two piece elastomer relief and anti-drain back valves for filter |
US20050252838A1 (en) * | 2004-05-13 | 2005-11-17 | Baldwin Filters, Inc. | Fluid filtration apparatus and method |
BRPI0512777B1 (pt) | 2004-06-29 | 2020-09-15 | Donaldson Company, Inc | Arranjo e métodos para filtragem de líquido |
US7708147B2 (en) | 2004-11-15 | 2010-05-04 | Purolator Filters Na Llc | Fluid filter assembly with notched case |
DE102004059061B4 (de) * | 2004-12-07 | 2021-12-02 | Mann+Hummel Gmbh | Flüssigkeitsfilter und Verwendung desselben |
WO2006078587A2 (en) * | 2005-01-18 | 2006-07-27 | Donaldson Company, Inc. | Fluid filter |
DE212005000078U1 (de) * | 2005-04-18 | 2008-02-21 | Donaldson Co., Inc., Minneapolis | Flüssigkeitsfilteranordnung |
US20070007190A1 (en) * | 2005-07-06 | 2007-01-11 | Pethke David L | Filter ease |
ITMI20051588A1 (it) * | 2005-08-23 | 2007-02-24 | Ti Automotive Cisliano S R L | Elemento a tenuta per dispositivo di refrigerazione |
US8293103B2 (en) * | 2005-12-08 | 2012-10-23 | Donaldson Company, Inc. | Spin-on filter assembly and methods |
US20070261377A1 (en) * | 2006-05-10 | 2007-11-15 | Klug Jerry J | Spin-on filter arrangement and methods |
ES2393267T3 (es) * | 2006-11-16 | 2012-12-19 | T & D Water Technologies And Development Snc | Conjunto de cartucho de filtro |
US7892471B2 (en) * | 2006-12-08 | 2011-02-22 | Millipore Corporation | Wireless enabled device |
CN101319626B (zh) * | 2007-06-08 | 2012-11-14 | 北京世珍一诺科技有限公司 | 分体式机油滤清器外壳 |
US20090184041A1 (en) * | 2008-01-23 | 2009-07-23 | Cummins Filtration Ip, Inc. | Fluid filter with clear shell portion |
CN101850198A (zh) * | 2009-03-31 | 2010-10-06 | 康明斯过滤Ip公司 | 发动机流体过滤部件、过滤壳体和燃料-水过滤/分离器 |
WO2011035155A1 (en) | 2009-09-17 | 2011-03-24 | Davco Technology, Llc | Filter assembly with modular relief valve interface |
FR2976188A1 (fr) * | 2011-06-09 | 2012-12-14 | Filtrauto | Filtre a liquide et sous-ensemble de moteur formant support de montage pour une cartouche filtrante |
CN103707011B (zh) * | 2013-12-16 | 2016-03-16 | 江苏耐尔冶电集团有限公司 | 一种除铁过滤器的生产工艺 |
DE112015001865T5 (de) | 2014-04-18 | 2017-01-05 | Cummins Filtration Ip, Inc. | Filtermodul mit fensterartigem klarem Filtertopf |
DE102018002766B4 (de) * | 2018-04-04 | 2020-08-06 | Mann+Hummel Gmbh | Filteranordnung, Anschlussschnittstellenelement sowie Filterschnittstelleneinheit |
Family Cites Families (36)
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---|---|---|---|---|
CA639408A (en) * | 1962-04-03 | Purolator Products | Throwaway liquid filter | |
US1825983A (en) * | 1926-09-21 | 1931-10-06 | Ernest J Sweetland | Replaceable element filter |
US2185281A (en) * | 1936-09-19 | 1940-01-02 | Lubrication Corp | Filter |
US2995250A (en) * | 1959-01-26 | 1961-08-08 | Champion Lab Inc | Oil filter |
US3000506A (en) * | 1959-05-27 | 1961-09-19 | Purolator Products Inc | Throwaway type filter |
US3085688A (en) * | 1959-12-31 | 1963-04-16 | Eberle John | Oil-filters for internal combustion engines |
US3076551A (en) * | 1960-03-22 | 1963-02-05 | Wix Corp | Filter sealing means |
GB982548A (en) * | 1961-03-01 | 1965-02-03 | Knecht Alfred | Improvements in or relating to oil filters |
AT229092B (de) * | 1961-03-01 | 1963-08-26 | Alfred Knecht | Schmierölfilter mit Filtereinsatz |
US3225929A (en) * | 1961-10-11 | 1965-12-28 | American Mach & Foundry | Closure means for filter containing pressure vessels |
GB982466A (en) * | 1962-08-16 | 1965-02-03 | Gen Motors Ltd | Filters for liquids |
US3256989A (en) * | 1963-03-13 | 1966-06-21 | Champion Lab Inc | Screw neck filter cartridge |
US3333703A (en) * | 1963-06-12 | 1967-08-01 | Purolator Products Inc | Filter housing |
US3265213A (en) * | 1963-09-18 | 1966-08-09 | Purolator Products Inc | Filter assembly having the enclosure embedded in the bottom member |
US3411632A (en) * | 1966-08-03 | 1968-11-19 | Walker Mfg Co | Throwaway filter with dome-shaped bottom plate |
US3397786A (en) * | 1967-07-17 | 1968-08-20 | Champion Lab Inc | Dual element filter assembly having plural valves therein |
US3490594A (en) * | 1968-11-21 | 1970-01-20 | Fram Corp | Filter |
US3616933A (en) * | 1969-10-08 | 1971-11-02 | Baldwin Mfg Co J A | Spin-on throwaway-type oil filters |
FR2082912A5 (fi) * | 1970-05-21 | 1971-12-10 | Ouest Indle Comprimes | |
US3722691A (en) * | 1971-03-03 | 1973-03-27 | P Francois | Filter for removing particulate contaminants from fluids |
GB1355832A (en) * | 1971-03-30 | 1974-06-05 | Automotive Prod Co Ltd | Filters for liquids |
DE2326212B2 (de) * | 1973-05-23 | 1977-12-08 | Purolator Filter GmbH, 7110 Öhringen | Zulaufsicherung an einem filterkopf fuer filterpatronen |
US4052307A (en) * | 1976-07-08 | 1977-10-04 | Wix Corporation | Universal filter mounting attachment |
US4541265A (en) * | 1979-06-07 | 1985-09-17 | Purolator Products Inc. | Process for forming a deep drawn and ironed pressure vessel having selectively controlled side-wall thicknesses |
IT8020556A0 (it) * | 1980-03-12 | 1980-03-12 | Filt S P A | Filtro del tipo ad avvitamento (easy change) con doppia tenuta del piattello di testa rispetto alla basetta di supporto. |
US4324660A (en) * | 1980-08-25 | 1982-04-13 | Fram Corporation | Fluid filter |
US4364829A (en) * | 1981-07-01 | 1982-12-21 | Atkins Donald A | Oil filter with turn attachment |
US4349438A (en) * | 1981-07-08 | 1982-09-14 | Sims Oil, Inc. | Oil refiner |
US4369113A (en) * | 1981-10-29 | 1983-01-18 | Donaldson Company, Inc. | High strength spin-on filter |
US4473471A (en) * | 1982-09-13 | 1984-09-25 | Purolator Inc. | Filter sealing gasket with reinforcement ring |
US4465595A (en) * | 1983-08-15 | 1984-08-14 | Pall Corporation | Apparatus for assembly and dissassembly of a filter construction |
US4497706A (en) * | 1983-11-02 | 1985-02-05 | Purolator Inc. | Oil filter relief valve |
GB2176416B (en) * | 1985-06-08 | 1989-07-26 | Sartorius Gmbh | Fluid filter |
US4764275A (en) * | 1985-10-25 | 1988-08-16 | Robichaud Arthur W | Fluid filter and method for attaching same in sealing relation to a filter mount |
US4654142A (en) * | 1985-11-18 | 1987-03-31 | Everpure, Inc. | Filtering system |
EP0231862B1 (en) * | 1986-01-27 | 1994-05-04 | Cuno Incorporated | Quick-change filter cartridge and head therefor |
-
1988
- 1988-06-13 US US07/205,632 patent/US4992166A/en not_active Expired - Lifetime
-
1989
- 1989-06-01 IN IN423/CAL/89A patent/IN172008B/en unknown
- 1989-06-01 DE DE68914036T patent/DE68914036T2/de not_active Expired - Fee Related
- 1989-06-01 EP EP89109902A patent/EP0346692B1/en not_active Expired - Lifetime
- 1989-06-01 ES ES89109902T patent/ES2051323T3/es not_active Expired - Lifetime
- 1989-06-12 AR AR89314141A patent/AR242118A1/es active
- 1989-06-13 KR KR1019890008136A patent/KR920004203B1/ko not_active IP Right Cessation
- 1989-06-13 BR BR898902812A patent/BR8902812A/pt not_active IP Right Cessation
- 1989-06-13 JP JP1150335A patent/JPH0286804A/ja active Pending
- 1989-06-13 MX MX016426A patent/MX169283B/es unknown
- 1989-06-13 CA CA000602599A patent/CA1328626C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
MX169283B (es) | 1993-06-28 |
JPH0286804A (ja) | 1990-03-27 |
AR242118A1 (es) | 1993-03-31 |
KR910000205A (ko) | 1991-01-29 |
DE68914036T2 (de) | 1994-07-07 |
US4992166A (en) | 1991-02-12 |
KR920004203B1 (ko) | 1992-05-30 |
EP0346692B1 (en) | 1994-03-23 |
CA1328626C (en) | 1994-04-19 |
DE68914036D1 (de) | 1994-04-28 |
ES2051323T3 (es) | 1994-06-16 |
EP0346692A1 (en) | 1989-12-20 |
BR8902812A (pt) | 1990-02-01 |