AU2008302682B2 - Respirator having dynamic support structure and pleated filtering structure - Google Patents
Respirator having dynamic support structure and pleated filtering structure Download PDFInfo
- Publication number
- AU2008302682B2 AU2008302682B2 AU2008302682A AU2008302682A AU2008302682B2 AU 2008302682 B2 AU2008302682 B2 AU 2008302682B2 AU 2008302682 A AU2008302682 A AU 2008302682A AU 2008302682 A AU2008302682 A AU 2008302682A AU 2008302682 B2 AU2008302682 B2 AU 2008302682B2
- Authority
- AU
- Australia
- Prior art keywords
- transversely
- filtering
- respirator
- support structure
- mask body
- 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.)
- Ceased
Links
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- 239000004743 Polypropylene Substances 0.000 description 20
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- LXCFILQKKLGQFO-UHFFFAOYSA-N methylparaben Chemical compound COC(=O)C1=CC=C(O)C=C1 LXCFILQKKLGQFO-UHFFFAOYSA-N 0.000 description 11
- 239000002245 particle Substances 0.000 description 9
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- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920002633 Kraton (polymer) Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 2
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- 229910052751 metal Inorganic materials 0.000 description 2
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- 230000002093 peripheral effect Effects 0.000 description 2
- 229920001748 polybutylene Polymers 0.000 description 2
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- 238000011045 prefiltration Methods 0.000 description 2
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- 229920002994 synthetic fiber Polymers 0.000 description 2
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- 238000004154 testing of material Methods 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- IQVNEKKDSLOHHK-FNCQTZNRSA-N (E,E)-hydramethylnon Chemical compound N1CC(C)(C)CNC1=NN=C(/C=C/C=1C=CC(=CC=1)C(F)(F)F)\C=C\C1=CC=C(C(F)(F)F)C=C1 IQVNEKKDSLOHHK-FNCQTZNRSA-N 0.000 description 1
- RLRINNKRRPQIGW-UHFFFAOYSA-N 1-ethenyl-2-[4-(2-ethenylphenyl)butyl]benzene Chemical compound C=CC1=CC=CC=C1CCCCC1=CC=CC=C1C=C RLRINNKRRPQIGW-UHFFFAOYSA-N 0.000 description 1
- LXKCHCXZBPLTAE-UHFFFAOYSA-N 3,4-dimethyl-1H-pyrazole phosphate Chemical compound OP(O)(O)=O.CC1=CNN=C1C LXKCHCXZBPLTAE-UHFFFAOYSA-N 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- UAUDZVJPLUQNMU-UHFFFAOYSA-N Erucasaeureamid Natural products CCCCCCCCC=CCCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 241000272186 Falco columbarius Species 0.000 description 1
- 229920000034 Plastomer Polymers 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920001247 Reticulated foam Polymers 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
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- 230000008901 benefit Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 210000003717 douglas' pouch Anatomy 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- UAUDZVJPLUQNMU-KTKRTIGZSA-N erucamide Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(N)=O UAUDZVJPLUQNMU-KTKRTIGZSA-N 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 239000008263 liquid aerosol Substances 0.000 description 1
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- 238000002156 mixing Methods 0.000 description 1
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- 230000007935 neutral effect Effects 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
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- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
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- 239000012899 standard injection Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000001052 yellow pigment Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
- A62B18/025—Halfmasks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1107—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape
- A41D13/1115—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a horizontal pleated pocket
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
- A62B23/025—Filters for breathing-protection purposes for respirators the filter having substantially the shape of a mask
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US97402207P | 2007-09-20 | 2007-09-20 | |
| US60/974,022 | 2007-09-20 | ||
| PCT/US2008/069928 WO2009038857A1 (en) | 2007-09-20 | 2008-07-14 | Respirator having dynamic support structure and pleated filtering structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2008302682A1 AU2008302682A1 (en) | 2009-03-26 |
| AU2008302682B2 true AU2008302682B2 (en) | 2011-01-27 |
Family
ID=40468251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2008302682A Ceased AU2008302682B2 (en) | 2007-09-20 | 2008-07-14 | Respirator having dynamic support structure and pleated filtering structure |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20090078265A1 (enExample) |
| EP (1) | EP2200706A4 (enExample) |
| JP (1) | JP5421270B2 (enExample) |
| KR (1) | KR20100081990A (enExample) |
| CN (2) | CN104524708A (enExample) |
| AU (1) | AU2008302682B2 (enExample) |
| BR (1) | BRPI0815954A2 (enExample) |
| MX (1) | MX2010002882A (enExample) |
| RU (1) | RU2428233C1 (enExample) |
| WO (1) | WO2009038857A1 (enExample) |
Families Citing this family (53)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080271739A1 (en) | 2007-05-03 | 2008-11-06 | 3M Innovative Properties Company | Maintenance-free respirator that has concave portions on opposing sides of mask top section |
| US9770611B2 (en) | 2007-05-03 | 2017-09-26 | 3M Innovative Properties Company | Maintenance-free anti-fog respirator |
| US8342180B2 (en) | 2007-09-20 | 2013-01-01 | 3M Innovative Properties Company | Filtering face-piece respirator that has expandable mask body |
| US20090235934A1 (en) * | 2008-03-24 | 2009-09-24 | 3M Innovative Properties Company | Filtering face-piece respirator having an integrally-joined exhalation valve |
| US8113201B2 (en) * | 2008-06-30 | 2012-02-14 | Kimberly-Clark Worldwide, Inc. | Collapse resistant respirator |
| DE202009010806U1 (de) | 2009-05-19 | 2010-07-22 | BLüCHER GMBH | Schutzmaske |
| WO2011031276A1 (en) | 2009-09-11 | 2011-03-17 | Matich Ronald D | Face mask with seal within seal and optional bridging seal |
| RU2012117972A (ru) * | 2009-11-18 | 2013-12-27 | 3М Инновейтив Пропертиз Компани | Армированный фильтрующий материал |
| US20110315144A1 (en) * | 2010-06-25 | 2011-12-29 | 3M Innovative Properties Company | Respirator that has inward nose region fold with high level conformation |
| US20120060843A1 (en) * | 2010-09-09 | 2012-03-15 | Moldex-Metric, Inc. | Pleated filtering face piece respirator |
| US20120125341A1 (en) * | 2010-11-19 | 2012-05-24 | 3M Innovative Properties Company | Filtering face-piece respirator having an overmolded face seal |
| US8794238B2 (en) * | 2010-12-28 | 2014-08-05 | 3M Innovative Properties Company | Splash-fluid resistant filtering face-piece respirator |
| US9027554B2 (en) | 2011-12-06 | 2015-05-12 | 3M Innovative Properties Company | Respirator having foam shaping layer with recessed regions surrounding air passageways |
| WO2013165988A1 (en) | 2012-04-30 | 2013-11-07 | Scott Technologies, Inc. | Half facepiece |
| JP6279558B2 (ja) * | 2012-06-01 | 2018-02-14 | コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． | ユーザにガスを供給する呼吸インターフェースデバイス |
| US20140041671A1 (en) | 2012-08-10 | 2014-02-13 | 3M Innovative Properties Company | Refill filtering face-piece respirator |
| US10182603B2 (en) | 2012-12-27 | 2019-01-22 | 3M Innovative Properties Company | Filtering face-piece respirator having strap-activated folded flange |
| USD740932S1 (en) | 2013-09-24 | 2015-10-13 | 3M Innovative Properties Company | Respirator with raised face seal flexing region |
| USD776258S1 (en) | 2013-09-24 | 2017-01-10 | 3M Innovative Properties Company | Respirator with face seal multiple flexing region |
| USD787659S1 (en) | 2013-09-24 | 2017-05-23 | 3M Innovative Properties Company | Respirator with face seal flexing region |
| WO2015080228A1 (ja) * | 2013-11-29 | 2015-06-04 | 興和株式会社 | マスク |
| USD746439S1 (en) | 2013-12-30 | 2015-12-29 | Kimberly-Clark Worldwide, Inc. | Combination valve and buckle set for disposable respirators |
| CN106457008A (zh) * | 2014-04-28 | 2017-02-22 | 斯科特科技公司 | 具有优化的面部过滤器定位的过滤面部呼吸器 |
| USD787660S1 (en) | 2014-05-22 | 2017-05-23 | 3M Innovative Properties Company | Respirator mask having a face seal flexing region |
| USD744088S1 (en) * | 2014-05-22 | 2015-11-24 | 3M Innovative Properties Company | Respirator mask having a circular button |
| USD778431S1 (en) * | 2014-10-08 | 2017-02-07 | Adam Sloan Glickfield | Mask for noise reduction |
| GB201421618D0 (en) | 2014-12-04 | 2015-01-21 | 3M Innovative Properties Co | Respirator valve |
| USD747795S1 (en) | 2015-02-27 | 2016-01-19 | 3M Innovative Properties Company | Respirator mask body |
| USD767116S1 (en) | 2015-02-27 | 2016-09-20 | 3M Innovative Properties Company | Respirator mask having an exhalation port |
| USD795416S1 (en) | 2015-02-27 | 2017-08-22 | 3M Innovative Properties Company | Respirator mask |
| USD742504S1 (en) | 2015-02-27 | 2015-11-03 | 3M Innovative Properties Company | Respirator mask |
| USD741475S1 (en) | 2015-02-27 | 2015-10-20 | 3M Innovation Properties Company | Respirator mask having a communication grille |
| USD743536S1 (en) | 2015-02-27 | 2015-11-17 | 3M Innovative Properties Company | Respirator mask having a circular button |
| GB201508114D0 (en) | 2015-05-12 | 2015-06-24 | 3M Innovative Properties Co | Respirator tab |
| EP3651887A4 (en) | 2017-07-14 | 2021-04-14 | 3M Innovative Properties Company | ADAPTER FOR TRANSPORTING MULTIPLE FLOWS OF LIQUID |
| CN107485080B (zh) * | 2017-09-13 | 2020-02-07 | 北京小米移动软件有限公司 | 口罩 |
| KR200488024Y1 (ko) * | 2017-12-11 | 2018-12-05 | 윤영환 | 통기 구조의 비공 덮개를 갖는 안면 마스크 |
| CN111542361B (zh) * | 2018-01-03 | 2024-03-08 | 3M创新有限公司 | 包括横向延伸的褶绉的呼吸器及其形成方法 |
| US10835704B1 (en) | 2019-05-15 | 2020-11-17 | Applied Research Associates, Inc. | Reusable respiratory protection device |
| EP3766547A1 (en) | 2019-07-17 | 2021-01-20 | 3M Innovative Properties Company | Respirator carrier |
| CN110339437B (zh) * | 2019-07-28 | 2021-11-23 | 米狗实业(深圳)有限公司 | 一种医疗美容用脸部雾化装置 |
| US20210161102A1 (en) * | 2019-11-29 | 2021-06-03 | Easy on Pets | Petguard |
| CN111317897A (zh) * | 2020-03-20 | 2020-06-23 | 徐栋梁 | 呼吸系统传染病隔离杀灭系统 |
| US20210352982A1 (en) * | 2020-05-13 | 2021-11-18 | Storelli PowerAir, LLC | Face mask and face mask insert |
| KR200492737Y1 (ko) * | 2020-05-28 | 2020-12-02 | 김기남 | 비말에 의한 바이러스 감염 방지 마스크 |
| USD905351S1 (en) * | 2020-09-02 | 2020-12-15 | Jm Manufacturing (Hk) Limited | Face mask |
| GB2602258B (en) | 2020-12-15 | 2022-12-21 | Denroy Group Ltd | Respirator mask and method of manufacturing a mask |
| CN112618983A (zh) * | 2020-12-23 | 2021-04-09 | 李丕斌 | 预防病毒尘埃的多功能防疫装置及防疫方法 |
| KR20230000246U (ko) | 2021-07-23 | 2023-01-31 | 문성준 | 입에 따라 움직이는 마스크 |
| JP2023066079A (ja) * | 2021-10-28 | 2023-05-15 | 株式会社エスケー | マスク用保形具及びその製造方法 |
| KR102690330B1 (ko) * | 2022-01-27 | 2024-07-30 | 진효준 | 끈 없는 마스크 |
| US20250144454A1 (en) * | 2022-02-16 | 2025-05-08 | 3M Innovative Properties Company | Respirator |
| USD1038530S1 (en) * | 2023-12-08 | 2024-08-06 | Brian J. Fortier | Protective face mask |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03117121A (ja) * | 1989-09-29 | 1991-05-17 | Nippon Telegr & Teleph Corp <Ntt> | 移動通信チャネル切替制御方法 |
| JP2546834B2 (ja) * | 1987-02-23 | 1996-10-23 | 北陽電機株式会社 | パルス入力の処理回路 |
| US20030205321A1 (en) * | 1999-08-25 | 2003-11-06 | Koninklijke Philips Electronics N.V. | Method of manufacturing a scanning device with adjustable frames |
Family Cites Families (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE24549E (en) * | 1958-10-14 | Haliczer | ||
| US1502450A (en) * | 1919-06-30 | 1924-07-22 | William H Wood | Respirator |
| US2382364A (en) * | 1941-12-13 | 1945-08-14 | Mine Safety Appliances Co | Facepiece |
| US3603315A (en) * | 1969-10-17 | 1971-09-07 | American Hospital Supply Corp | Surgical face mask |
| SE338510B (enExample) * | 1970-09-08 | 1971-09-06 | Svenska Cellulosa Ab | |
| US3757777A (en) * | 1971-12-09 | 1973-09-11 | E Kaufman | Disposable half-mask respirator |
| US3888246A (en) * | 1973-11-01 | 1975-06-10 | Johnson & Johnson | Anti-fog surgical face mask |
| US3971369A (en) * | 1975-06-23 | 1976-07-27 | Johnson & Johnson | Folded cup-like surgical face mask and method of forming the same |
| USD249072S (en) * | 1976-11-22 | 1978-08-22 | American Optical Corporation | Disposable respiratory mask |
| US4248220A (en) * | 1979-09-10 | 1981-02-03 | American Cyanamid Company | Disposable dust respirator |
| US4300549A (en) * | 1980-01-07 | 1981-11-17 | Surgikos | Operating room face mask |
| US4850347A (en) * | 1980-06-09 | 1989-07-25 | Metric Products, Inc. | Face mask |
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2008
- 2008-07-14 WO PCT/US2008/069928 patent/WO2009038857A1/en not_active Ceased
- 2008-07-14 JP JP2010525858A patent/JP5421270B2/ja not_active Expired - Fee Related
- 2008-07-14 CN CN201410709384.4A patent/CN104524708A/zh active Pending
- 2008-07-14 CN CN200880111714A patent/CN101827633A/zh active Pending
- 2008-07-14 KR KR1020107008281A patent/KR20100081990A/ko not_active Abandoned
- 2008-07-14 AU AU2008302682A patent/AU2008302682B2/en not_active Ceased
- 2008-07-14 BR BRPI0815954A patent/BRPI0815954A2/pt not_active IP Right Cessation
- 2008-07-14 RU RU2010109195/12A patent/RU2428233C1/ru not_active IP Right Cessation
- 2008-07-14 MX MX2010002882A patent/MX2010002882A/es not_active Application Discontinuation
- 2008-07-14 EP EP08781773A patent/EP2200706A4/en not_active Withdrawn
- 2008-08-13 US US12/190,655 patent/US20090078265A1/en not_active Abandoned
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2200706A4 (en) | 2011-08-17 |
| EP2200706A1 (en) | 2010-06-30 |
| CN104524708A (zh) | 2015-04-22 |
| WO2009038857A1 (en) | 2009-03-26 |
| AU2008302682A1 (en) | 2009-03-26 |
| MX2010002882A (es) | 2010-03-30 |
| RU2428233C1 (ru) | 2011-09-10 |
| JP2010540023A (ja) | 2010-12-24 |
| CN101827633A (zh) | 2010-09-08 |
| BRPI0815954A2 (pt) | 2018-03-06 |
| US20090078265A1 (en) | 2009-03-26 |
| JP5421270B2 (ja) | 2014-02-19 |
| KR20100081990A (ko) | 2010-07-15 |
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Legal Events
| Date | Code | Title | Description |
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| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |