BRPI0715575A2 - respirador e mÉtodo de fabricaÇço de um respirador - Google Patents
respirador e mÉtodo de fabricaÇço de um respirador Download PDFInfo
- Publication number
- BRPI0715575A2 BRPI0715575A2 BRPI0715575-1A2A BRPI0715575A BRPI0715575A2 BR PI0715575 A2 BRPI0715575 A2 BR PI0715575A2 BR PI0715575 A BRPI0715575 A BR PI0715575A BR PI0715575 A2 BRPI0715575 A2 BR PI0715575A2
- Authority
- BR
- Brazil
- Prior art keywords
- foam
- nasal
- nose
- mask
- respirator
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 239000006260 foam Substances 0.000 claims abstract description 118
- -1 polypropylene Polymers 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000005060 rubber Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 2
- 239000004800 polyvinyl chloride Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 239000003570 air Substances 0.000 description 21
- 238000001914 filtration Methods 0.000 description 17
- 239000007789 gas Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 10
- 239000000835 fiber Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 8
- 239000000356 contaminant Substances 0.000 description 7
- 230000004044 response Effects 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 5
- 229920001410 Microfiber Polymers 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000003658 microfiber Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000000241 respiratory effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 244000052769 pathogen Species 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 210000002345 respiratory system Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 208000007101 Muscle Cramp Diseases 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 241000555745 Sciuridae Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- A41D13/1138—Protective face masks, e.g. for surgical use, or for use in foul atmospheres characterised by their shape with a cup configuration
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Pulmonology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/533,082 | 2006-10-26 | ||
| US11/553,082 US20080099022A1 (en) | 2006-10-26 | 2006-10-26 | Respirator That Uses A Predefined Nose Foam Shape |
| PCT/US2007/081066 WO2008051726A1 (en) | 2006-10-26 | 2007-10-11 | Respirator that uses a predefined nose foam shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0715575A2 true BRPI0715575A2 (pt) | 2013-07-02 |
Family
ID=38924762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0715575-1A2A BRPI0715575A2 (pt) | 2006-10-26 | 2007-10-11 | respirador e mÉtodo de fabricaÇço de um respirador |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20080099022A1 (https=) |
| EP (1) | EP2076146B1 (https=) |
| JP (1) | JP5513890B2 (https=) |
| KR (1) | KR101404393B1 (https=) |
| CN (1) | CN101588733A (https=) |
| BR (1) | BRPI0715575A2 (https=) |
| WO (1) | WO2008051726A1 (https=) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011031276A1 (en) | 2009-09-11 | 2011-03-17 | Matich Ronald D | Face mask with seal within seal and optional bridging seal |
| US8881729B2 (en) * | 2009-09-18 | 2014-11-11 | 3M Innovative Properties Company | Horizontal flat-fold filtering face-piece respirator having indicia of symmetry |
| CN102028317B (zh) * | 2009-09-30 | 2015-04-22 | 傅贵 | 一种面部防护用具 |
| WO2011140542A1 (en) * | 2010-05-07 | 2011-11-10 | Allegiance Corporation | Surgical mask |
| US20120017911A1 (en) | 2010-07-26 | 2012-01-26 | 3M Innovative Properties Company | Filtering face-piece respirator having foam shaping layer |
| DE102011084285A1 (de) * | 2011-10-11 | 2013-04-11 | Uvex Arbeitsschutz Gmbh | Atemschutzmaske |
| US9027554B2 (en) | 2011-12-06 | 2015-05-12 | 3M Innovative Properties Company | Respirator having foam shaping layer with recessed regions surrounding air passageways |
| CN102697209B (zh) * | 2012-05-17 | 2014-05-21 | 苏州新纶超净技术有限公司 | 一种高效防尘口罩及其制作方法 |
| JP6492067B2 (ja) * | 2013-06-11 | 2019-03-27 | プリベンテック リミテッドＰｒｅｖｅｎｔｅｃｈ Ｌｔｄ． | 粒子フィルタマスク |
| CN105636468B (zh) | 2013-08-08 | 2017-08-29 | 理查德·H·科勒 | 面具密封件、面具系统及面具密封方法 |
| GB201314884D0 (en) | 2013-08-20 | 2013-10-02 | 3M Innovative Properties Co | Personal respiratory protection device |
| GB201314885D0 (en) | 2013-08-20 | 2013-10-02 | 3M Innovative Properties Co | Personal respiratory protection device |
| GB201314886D0 (en) | 2013-08-20 | 2013-10-02 | 3M Innovative Properties Co | Personal respiratory protection device |
| GB201314887D0 (en) * | 2013-08-20 | 2013-10-02 | 3M Innovative Properties Co | Personal respiratory protection device |
| US9603396B2 (en) * | 2013-08-29 | 2017-03-28 | 3M Innovative Properties Company | Filtering face-piece respirator having nose notch |
| US11484734B2 (en) | 2013-09-04 | 2022-11-01 | Octo Safety Devices, Llc | Facemask with filter insert for protection against airborne pathogens |
| KR20160127090A (ko) | 2014-02-27 | 2016-11-02 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 투각 구조를 갖는 탄성 스트랩을 구비한 호흡기 |
| EP3182850B1 (en) | 2014-08-18 | 2018-09-26 | 3M Innovative Properties Company | Respirator including polymeric netting and method of forming same |
| SG10201909092SA (en) | 2015-03-31 | 2019-11-28 | Fisher & Paykel Healthcare Ltd | A user interface and system for supplying gases to an airway |
| US9463340B1 (en) | 2015-05-20 | 2016-10-11 | Marc Irwin Epstein | Draping particulate filter for the nostrils and mouth and method of manufacture thereof |
| US9468783B1 (en) | 2015-05-20 | 2016-10-18 | Marc Irwin Epstein | Draping particulate filter for the nostrils and mouth and method of manufacture thereof |
| CN105795554B (zh) * | 2015-12-07 | 2018-07-27 | 小米科技有限责任公司 | 口罩 |
| GB2607540B (en) | 2016-08-11 | 2023-03-29 | Fisher & Paykel Healthcare Ltd | A collapsible conduit, patient interface and headgear connector |
| KR200486022Y1 (ko) * | 2017-09-08 | 2018-03-23 | 고광석 | 기능성 마스크 |
| EP3469939A1 (en) * | 2017-10-13 | 2019-04-17 | Honeywell International Inc. | Recut polyolefin foam as a disposable mask seal |
| KR102585442B1 (ko) | 2017-11-13 | 2023-10-06 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 이너 쉘 및 이를 포함하는 마스크 |
| KR102079515B1 (ko) * | 2018-02-21 | 2020-02-21 | 김필립 | 방진 마스크 |
| US11554276B2 (en) * | 2018-04-11 | 2023-01-17 | Octo Safety Devices, Llc | Facemask with facial seal and seal test device |
| KR102028698B1 (ko) * | 2018-07-11 | 2019-10-04 | 주식회사 오투엠 | 탈부착 가능한 개인 맞춤형 코밴드가 구비되는 마스크 |
| CN111387602A (zh) * | 2020-04-20 | 2020-07-10 | 南京信息职业技术学院 | 一种可洗防霾口罩 |
| WO2021257123A1 (en) | 2020-06-18 | 2021-12-23 | FTM Corporation | Cushion including flexible projections for low force sealing applications |
| BE1028448B1 (nl) * | 2020-07-03 | 2022-02-01 | Adso | Tussenstuk voor een gezichtsmasker |
| WO2022025955A1 (en) * | 2020-07-31 | 2022-02-03 | Augustine Biomedical + Design, LLC | Facemask filter assembly |
| CN114073348A (zh) * | 2020-08-17 | 2022-02-22 | 3M创新有限公司 | 密封条、呼吸器以及密封条制造方法 |
| CN114074471A (zh) * | 2020-08-17 | 2022-02-22 | 3M创新有限公司 | 密封泡棉、呼吸器以及密封泡棉制造方法 |
| DE102020126140A1 (de) | 2020-10-06 | 2022-04-07 | Jürgen Eißmann | Mund-Nasen-Maske |
| KR102272996B1 (ko) * | 2021-01-28 | 2021-07-05 | 주식회사 에코이엔지 | 마스크용 김서림 방지 결착대 |
| WO2022235472A1 (en) * | 2021-05-06 | 2022-11-10 | 3M Innovative Properties Company | Systems and methods for improved respiratory protection devices |
| US20240115889A1 (en) | 2022-10-07 | 2024-04-11 | 3M Innovative Properties Company | Disposable, Flat-Fold Respirator Having Increased Stiffness in Selected Areas |
| WO2025125970A1 (en) | 2023-12-15 | 2025-06-19 | 3M Innovative Properties Company | Respiratory protection devices and methods of manufacturing the same |
| WO2025125969A1 (en) | 2023-12-15 | 2025-06-19 | 3M Innovative Properties Company | Respiratory protection devices and methods of manufacturing the same |
| WO2025202974A1 (en) | 2024-03-29 | 2025-10-02 | 3M Innovative Properties Company | Respirators, respirator materials and methods of manufacturing the same |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3603315A (en) * | 1969-10-17 | 1971-09-07 | American Hospital Supply Corp | Surgical face mask |
| US3974829A (en) * | 1974-07-08 | 1976-08-17 | Giles C. Clegg, Jr. | Means for preventing fogging of optical aids used by the wearer of a surgical mask |
| US3952331A (en) * | 1974-10-09 | 1976-04-27 | Thomas Melville | Protective eye shade for sportsmen |
| US4037593A (en) * | 1975-11-28 | 1977-07-26 | Giles C. Clegg, Jr. | Surgical mask with vapor barrier |
| CA1185500A (en) | 1981-08-12 | 1985-04-16 | Joseph Z. Zdrok | Disposable respirator |
| US4803981A (en) * | 1981-09-22 | 1989-02-14 | Vickery Ian M | Anaesthesia mask |
| US4616647A (en) * | 1984-08-13 | 1986-10-14 | Parmelee Industries, Inc. | Molded fiber disposable face mask having enhanced nose and chin filter-seals |
| US4600002A (en) | 1984-10-24 | 1986-07-15 | American Optical Corporation | Disposable respirator |
| US5307796A (en) * | 1990-12-20 | 1994-05-03 | Minnesota Mining And Manufacturing Company | Methods of forming fibrous filtration face masks |
| US5765556A (en) * | 1992-12-16 | 1998-06-16 | Tecnol Medical Products, Inc. | Disposable aerosol mask with face shield |
| CN1247278C (zh) * | 1994-10-13 | 2006-03-29 | 美国3M公司 | 口罩 |
| USD412573S (en) * | 1994-10-14 | 1999-08-03 | 3M Innovative Properties Company | Nose clip for a filtering face mask |
| AUPO126596A0 (en) * | 1996-07-26 | 1996-08-22 | Resmed Limited | A nasal mask and mask cushion therefor |
| US6513526B2 (en) * | 1996-07-26 | 2003-02-04 | Resmed Limited | Full-face mask and mask cushion therefor |
| US6604524B1 (en) * | 1999-10-19 | 2003-08-12 | 3M Innovative Properties Company | Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
| US6431172B1 (en) * | 2000-10-20 | 2002-08-13 | Mallinckrodt Inc. | Nasal cannula with inflatable plenum chamber |
| US7152601B2 (en) * | 2000-12-18 | 2006-12-26 | Mohamed Ali Barakat | Strapless respiratory face mask |
| US6694971B2 (en) * | 2001-08-25 | 2004-02-24 | Guy Daniel Schroeder | Face mask |
| US7017577B2 (en) * | 2002-01-18 | 2006-03-28 | Matich Ronald D | Face mask with seal and neutralizer |
| US6923182B2 (en) * | 2002-07-18 | 2005-08-02 | 3M Innovative Properties Company | Crush resistant filtering face mask |
| JP4570966B2 (ja) * | 2002-09-06 | 2010-10-27 | レスメド・リミテッド | 呼吸用マスクアセンブリのためのクッション |
| US6941949B2 (en) * | 2002-12-19 | 2005-09-13 | Kimberly-Clark Worldwide, Inc. | Disposable face mask |
| US8104472B2 (en) * | 2004-03-26 | 2012-01-31 | 3M Innovative Properties Company | Non-elastomeric respirator mask that has deformable cheek portions |
| TWM286053U (en) * | 2005-02-04 | 2006-01-21 | Ct Healthcare Technology Co Lt | Nasal region adjusting appliance |
| US20070039620A1 (en) * | 2005-04-14 | 2007-02-22 | Rick Sustello | Sealing arrangement for wearable article |
| US20080023006A1 (en) * | 2006-07-26 | 2008-01-31 | 3M Innovative Properties Company | Respirator That Uses A Predefined Curved Nose Foam |
-
2006
- 2006-10-26 US US11/553,082 patent/US20080099022A1/en not_active Abandoned
-
2007
- 2007-10-11 BR BRPI0715575-1A2A patent/BRPI0715575A2/pt not_active IP Right Cessation
- 2007-10-11 JP JP2009534757A patent/JP5513890B2/ja active Active
- 2007-10-11 CN CNA2007800377415A patent/CN101588733A/zh active Pending
- 2007-10-11 EP EP07844151A patent/EP2076146B1/en not_active Not-in-force
- 2007-10-11 WO PCT/US2007/081066 patent/WO2008051726A1/en not_active Ceased
- 2007-10-11 KR KR1020097008414A patent/KR101404393B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010508076A (ja) | 2010-03-18 |
| KR101404393B1 (ko) | 2014-06-09 |
| EP2076146B1 (en) | 2012-11-28 |
| CN101588733A (zh) | 2009-11-25 |
| WO2008051726A1 (en) | 2008-05-02 |
| EP2076146A1 (en) | 2009-07-08 |
| US20080099022A1 (en) | 2008-05-01 |
| JP5513890B2 (ja) | 2014-06-04 |
| KR20090071619A (ko) | 2009-07-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| BRPI0715575A2 (pt) | respirador e mÉtodo de fabricaÇço de um respirador | |
| BRPI0713832A2 (pt) | respirador | |
| US20240416157A1 (en) | Exhalation valve and respirator including same | |
| BR112016004115B1 (pt) | Respirador com peça facial filtrante que tem elemento de acolchoamento para o nariz | |
| JP5208215B2 (ja) | マスク本体に成型されたノーズクリップを有する濾過フェイスピースレスピレータ | |
| CN105188855A (zh) | 具有相变材料的呼吸器 | |
| AU2014309237B2 (en) | Personal respiratory protection device | |
| BRPI0809898B1 (pt) | "respirador isento de manutenção" | |
| JP2017522461A (ja) | コントラスト層を含むレスピレータ | |
| CN101247858A (zh) | 具有预载鼻夹的呼吸器 | |
| BRPI1004200A2 (pt) | respirador de peÇa facial filtrante | |
| BRPI1010461A2 (pt) | respirador de peÇa facial filtrante e mÉtodo de produÇço de um respirador de peÇa facial filtrante | |
| JP2014501157A (ja) | 流体跳ね保護フィルタ式顔面装着呼吸マスク | |
| ITPS20060012A1 (it) | Nuova maschera di protezione contro gli agenti biologici a due porzioni. | |
| JP2024534314A (ja) | 二区画式フェイスマスク | |
| KR102510088B1 (ko) | 분리형 걸이끈이 구비된 마스크 | |
| KR20220017211A (ko) | 안면 밀착 기능을 갖는 마스크 | |
| HK1127571B (en) | Method of manufacturing a respirator that uses a predefined curved nose foam | |
| IT202100013817A1 (it) | Maschera protettiva per uso sportivo | |
| BR112019005171B1 (pt) | Válvula de exalação e máscara facial filtrante | |
| BRPI1003475A2 (pt) | respirador de peÇa facial filtrante com dobra plana horizontal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] | ||
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |