CN1120738C - 具有扩散通道的过滤器和制备方法 - Google Patents
具有扩散通道的过滤器和制备方法 Download PDFInfo
- Publication number
- CN1120738C CN1120738C CN99108963A CN99108963A CN1120738C CN 1120738 C CN1120738 C CN 1120738C CN 99108963 A CN99108963 A CN 99108963A CN 99108963 A CN99108963 A CN 99108963A CN 1120738 C CN1120738 C CN 1120738C
- Authority
- CN
- China
- Prior art keywords
- filter
- passage
- binding agent
- boundary layer
- channel layer
- 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 - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0446—Means for feeding or distributing gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
- G11B33/1486—Control/regulation of the pressure, e.g. the pressure inside the housing of a drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/116—Molecular sieves other than zeolites
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/25—Coated, impregnated or composite adsorbents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/20—Halogens or halogen compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/304—Hydrogen sulfide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/80—Water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/04—Permanent measures for connecting different parts of the filter, e.g. welding, glueing or moulding
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
- B01D2279/45—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for electronic devices, e.g. computers, hard-discs, mobile phones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2313/00—Details relating to membrane modules or apparatus
- B01D2313/40—Adsorbents within the flow path
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
- B01D53/0415—Beds in cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Filtering Materials (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/114,801 | 1998-07-13 | ||
| US09/114,801 US5997614A (en) | 1998-07-13 | 1998-07-13 | Filter with diffusion channel and methods of making and using the filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1241449A CN1241449A (zh) | 2000-01-19 |
| CN1120738C true CN1120738C (zh) | 2003-09-10 |
Family
ID=22357509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99108963A Expired - Lifetime CN1120738C (zh) | 1998-07-13 | 1999-06-30 | 具有扩散通道的过滤器和制备方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5997614A (enExample) |
| JP (1) | JP2000033212A (enExample) |
| KR (1) | KR100505338B1 (enExample) |
| CN (1) | CN1120738C (enExample) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000231775A (ja) * | 1999-02-10 | 2000-08-22 | Internatl Business Mach Corp <Ibm> | Hdd用ブリーザーフィルタ |
| US6309437B1 (en) * | 1999-06-09 | 2001-10-30 | William H. Jones | Computer box filter cover |
| WO2001014041A2 (en) * | 1999-08-23 | 2001-03-01 | Gore Enterprise Holdings, Inc. | Filter for removing contaminants from an enclosure |
| US6296691B1 (en) * | 1999-09-21 | 2001-10-02 | Gore Enterprise Holdings, Inc. | Multi-functional molded filter for removing contaminants from an enclosure |
| US6560064B1 (en) * | 2000-03-21 | 2003-05-06 | International Business Machines Corporation | Disk array system with internal environmental controls |
| US6475270B1 (en) * | 2000-05-22 | 2002-11-05 | 3M Innovative Properties Company | Nested diffusional filter |
| US20030219570A1 (en) * | 2000-07-17 | 2003-11-27 | Kanter Ray D. | Shock absorbing carpet system |
| JP2004506292A (ja) * | 2000-08-16 | 2004-02-26 | ドナルドソン カンパニー,インコーポレイティド | ディスクドライブ用の濾過組立体とその使用 |
| JP2002245771A (ja) * | 2001-02-13 | 2002-08-30 | Internatl Business Mach Corp <Ibm> | ディスク・ドライブ装置、ハード・ディスク・ドライブ、カバー、ベースおよびディスク・ドライブ装置の検査方法 |
| US6709493B2 (en) * | 2001-03-26 | 2004-03-23 | Gore Enterprise Holdings, Inc. | Device for reducing the presence of moisture within an enclosure containing a heat source |
| US6916454B2 (en) * | 2001-03-30 | 2005-07-12 | Siemens Westinghouse Power Corporation | Metal gas separation membrane |
| US6913736B2 (en) * | 2001-03-30 | 2005-07-05 | Siemens Westinghouse Power Corporation | Metal gas separation membrane module design |
| US6475269B1 (en) * | 2001-06-12 | 2002-11-05 | Maxtor Corporation | Disk drive recirculation filter assembly |
| JP3966705B2 (ja) * | 2001-09-26 | 2007-08-29 | ジャパンゴアテックス株式会社 | ガス吸着フィルターの取り付け構造及びガス吸着フィルター付きハウジング |
| JP3657904B2 (ja) * | 2001-10-30 | 2005-06-08 | 株式会社東芝 | ガス捕集方法およびガス捕集装置 |
| US6822824B2 (en) | 2002-06-07 | 2004-11-23 | Seagate Technology Llc | Flex circuit bracket which establishes a diffusion path for a data storage device housing |
| AU2003302735A1 (en) * | 2002-12-02 | 2004-07-09 | Donaldson Company, Inc. | Various filter elements for hydrogen fuel cell |
| US7404836B2 (en) * | 2003-05-12 | 2008-07-29 | Donaldson Company, Inc. | Focused flow filter |
| US6972927B2 (en) * | 2003-09-24 | 2005-12-06 | Seagate Technology Llc | Flanged breather filter cartridge with an integrated diffusion path |
| US7591868B2 (en) * | 2003-10-07 | 2009-09-22 | Donaldson Company, Inc. | Filter for electronic enclosure |
| JP4231769B2 (ja) * | 2003-11-14 | 2009-03-04 | 株式会社日立産機システム | フィルタ装置、及びそのフィルタ装置が接続される電力変換装置 |
| US20050108996A1 (en) * | 2003-11-26 | 2005-05-26 | Latham Steven R. | Filter system for an electronic equipment enclosure |
| US7125433B2 (en) | 2003-12-31 | 2006-10-24 | Donaldson Company, Inc. | Dual diffusion channel filter |
| US7166142B2 (en) * | 2003-12-31 | 2007-01-23 | Donaldson Company, Inc. | Filter constructions containing breather and recirculation filter elements |
| US7209319B1 (en) * | 2004-06-25 | 2007-04-24 | Western Digital Technologies, Inc. | Disk drive having a disk drive component adhered to the disk drive housing via an adhesive assembly having a leveling layer |
| US7367997B1 (en) * | 2004-07-12 | 2008-05-06 | Donaldson Company, Inc. | Electronic enclosure filter for very small spaces |
| US7291208B2 (en) | 2004-08-13 | 2007-11-06 | Gore Enterprise Holdings, Inc. | Grooved active and passive adsorbent filters |
| US7306659B2 (en) * | 2004-08-13 | 2007-12-11 | Gore Enterprise Holdings | Adsorbent breather filter |
| US7318859B2 (en) | 2004-10-18 | 2008-01-15 | Gore Enterprise Holdings | Modular adsorbent filters |
| US20060191249A1 (en) * | 2004-11-09 | 2006-08-31 | Gogins Mark A | Electronic enclosure filter containing polymer microfiber element |
| US7217314B2 (en) * | 2005-01-10 | 2007-05-15 | Gore Enterprise Holdings, Inc. | Venting system for minimizing condensation in a lighting assembly |
| JP2008528286A (ja) * | 2005-02-03 | 2008-07-31 | ドナルドソン カンパニー,インコーポレイティド | 汚染物質の拡散を低減するためのブリーザフィルタ |
| US7611557B2 (en) * | 2005-03-24 | 2009-11-03 | Plitek, Llc | Reversed pressure relief valve |
| US20060272507A1 (en) * | 2005-04-04 | 2006-12-07 | Johnson Christopher M | Adsorbent Carbon Breather with Scrim for Improved Flow |
| US20070056444A1 (en) * | 2005-07-12 | 2007-03-15 | Garikipati Vijay K | Electronic Enclosure Filter Containing Fluted Media |
| US20070103811A1 (en) * | 2005-09-09 | 2007-05-10 | Olszewski Jason R | Filtration arrangment for electronic enclosure |
| JP2007190090A (ja) * | 2006-01-17 | 2007-08-02 | Pentax Corp | 内視鏡用光学系および内視鏡 |
| WO2009012188A2 (en) | 2007-07-13 | 2009-01-22 | Donaldson Company, Inc. | Contaminant control filter with fill port |
| US20090090245A1 (en) * | 2007-10-04 | 2009-04-09 | Donaldson Company, Inc. | Filter assembly |
| JP2010086629A (ja) * | 2008-10-01 | 2010-04-15 | Japan Gore Tex Inc | 通気フィルター、電気装置及びその製造方法 |
| JP2010207663A (ja) * | 2009-03-06 | 2010-09-24 | Japan Gore Tex Inc | 通気フィルター及びこれを用いた電気装置 |
| US8377182B2 (en) | 2010-05-14 | 2013-02-19 | Brady Worldwide, Inc. | Gas anti diffusion assemblies |
| US8665555B1 (en) * | 2010-06-29 | 2014-03-04 | Western Digital Technologies, Inc. | Disk drive with added external labyrinth path during servo track writing |
| JP5753032B2 (ja) * | 2011-09-02 | 2015-07-22 | 日東電工株式会社 | 通気機能を有する接合部材及びそれを用いた接合構造 |
| WO2015064028A1 (ja) * | 2013-10-30 | 2015-05-07 | 日東電工株式会社 | 防水通気構造及び防水通気部材 |
| US9183889B1 (en) | 2015-03-23 | 2015-11-10 | Western Digital Technologies, Inc. | Disk drive having a top cover channel vented to a central cavity via a hole through a bottom land |
| US9171583B1 (en) | 2015-03-23 | 2015-10-27 | Western Digital Technologies, Inc. | Disk drive having a top cover channel vented to a central cavity via a peripheral clearance gap |
| BE1023374B1 (nl) * | 2015-08-24 | 2017-02-24 | Sac O2 Nv | Werkwijze en inrichting voor het op een onderdeel van een recipiënt aanbrengen van een gasfilter |
| CN108290105B (zh) * | 2016-07-20 | 2021-08-20 | W.L.戈尔及同仁股份有限公司 | 用于闭合件保护的吸附剂通气装置 |
| US10589219B2 (en) * | 2017-10-27 | 2020-03-17 | Seagate Technology Llc | Environmental control assemblies |
| US11344835B2 (en) | 2018-08-21 | 2022-05-31 | Donaldson Company, Inc. | Filter assembly for an enclosure |
| CN114556474B (zh) * | 2019-08-22 | 2024-10-11 | 唐纳森公司 | 用于外壳的气体补充部件 |
| US11352183B2 (en) | 2020-03-05 | 2022-06-07 | Plitek, L.L.C. | Pressure relief valve with wetting fluid reservoirs |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3422679A (en) * | 1967-12-13 | 1969-01-21 | Gerber Prod | Aseptic pressure and/or vacuum measuring device |
| US3740735A (en) * | 1970-09-14 | 1973-06-19 | Diablo Systems Inc | Air circulation apparatus |
| US3822601A (en) * | 1973-02-16 | 1974-07-09 | Gen Electric | Pneumatic analogue decompression instrument |
| JPS55119418A (en) * | 1979-03-06 | 1980-09-13 | Daishiro Fujishima | Gas adsorption sheet |
| US4329722A (en) * | 1980-05-15 | 1982-05-11 | Priam Corporation | Enclosed disc drive having combination filter assembly |
| US4350508A (en) * | 1981-12-21 | 1982-09-21 | Santoro Dario S | Desiccant cap |
| US4657570A (en) * | 1985-03-20 | 1987-04-14 | Donaldson Company, Inc. | Air filter device |
| US4684510A (en) * | 1985-12-20 | 1987-08-04 | Hewlett-Packard Company | Method and apparatus for prevention of atmospheric corrosion of electronic equipment |
| US4684381A (en) * | 1986-04-14 | 1987-08-04 | Wasylyniuk Ralph E | Chemical filter for use in a cab ventilation system |
| GB2202076A (en) * | 1987-03-06 | 1988-09-14 | Ibm | Disc file having at least two filters |
| US4863499A (en) * | 1988-07-29 | 1989-09-05 | Donaldson Company, Inc. | Anti-duffusion chemical breather assembly for disk drives |
| US4889542A (en) * | 1988-11-14 | 1989-12-26 | Hayes William J | Computer air filter device and method |
| US4957518A (en) * | 1989-06-06 | 1990-09-18 | Brassell Gilbert W | Assembly useful for retaining components such as a filter to a container and a corresponding combination |
| US5130205A (en) * | 1989-06-12 | 1992-07-14 | W. R. Grace & Co.-Conn. | Laminate and gas permeation module comprising two-component polyurethane adhesive |
| US5030260A (en) * | 1989-12-04 | 1991-07-09 | International Business Machines Corporation | Disk drive breather filter |
| US5593482A (en) * | 1990-03-20 | 1997-01-14 | W. L. Gore & Associates, Inc. | Adsorbent assembly for removing gaseous contaminants |
| WO1991014496A1 (en) * | 1990-03-20 | 1991-10-03 | W.L. Gore & Associates, Inc. | An adsorbent assembly for removing gaseous contaminants |
| US5124856A (en) * | 1990-08-03 | 1992-06-23 | International Business Machines Corporation | Magnetic recording device with unitary filter medium to trap organic and inorganic chemical pollutants |
| US5163870A (en) * | 1990-10-30 | 1992-11-17 | Systems Alternatives, Inc. | Protective dust cover for computer components |
| US5108474A (en) * | 1991-01-03 | 1992-04-28 | W. L. Gore & Associates, Inc. | Smoke filter |
| US5346518A (en) * | 1993-03-23 | 1994-09-13 | International Business Machines Corporation | Vapor drain system |
| US5417743A (en) * | 1994-01-21 | 1995-05-23 | W. L. Gore & Associates, Inc. | Self-adhesive vent filter and adsorbent assembly with a diffusion tube |
-
1998
- 1998-07-13 US US09/114,801 patent/US5997614A/en not_active Expired - Lifetime
-
1999
- 1999-06-30 CN CN99108963A patent/CN1120738C/zh not_active Expired - Lifetime
- 1999-07-09 KR KR10-1999-0027659A patent/KR100505338B1/ko not_active Expired - Fee Related
- 1999-07-13 JP JP11199045A patent/JP2000033212A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US5997614A (en) | 1999-12-07 |
| KR20000011596A (ko) | 2000-02-25 |
| JP2000033212A (ja) | 2000-02-02 |
| CN1241449A (zh) | 2000-01-19 |
| KR100505338B1 (ko) | 2005-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Donaldson(Wuxi)Filters Co., Ltd. Assignor: Donaldson Company, Inc. Contract fulfillment period: 2007.9.1 to 2012.8.31 Contract record no.: 2008990000424 Denomination of invention: Filter with diffusion channel and methods Granted publication date: 20030910 License type: Exclusive license Record date: 2008.9.22 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.9.1 TO 2012.8.31 Name of requester: DONALDSON (WUXI) FILTERS CO., LTD. Effective date: 20080922 |
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| CX01 | Expiry of patent term |
Granted publication date: 20030910 |
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| CX01 | Expiry of patent term |