AU718645B2 - Liquid resistant face mask - Google Patents
Liquid resistant face mask Download PDFInfo
- Publication number
- AU718645B2 AU718645B2 AU39662/97A AU3966297A AU718645B2 AU 718645 B2 AU718645 B2 AU 718645B2 AU 39662/97 A AU39662/97 A AU 39662/97A AU 3966297 A AU3966297 A AU 3966297A AU 718645 B2 AU718645 B2 AU 718645B2
- Authority
- AU
- Australia
- Prior art keywords
- face
- mask
- mat
- face mask
- woven fibrous
- 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
- 239000007788 liquid Substances 0.000 title claims description 21
- 239000000835 fiber Substances 0.000 claims description 44
- 229920001410 Microfiber Polymers 0.000 claims description 42
- 239000003658 microfiber Substances 0.000 claims description 42
- 239000003638 chemical reducing agent Substances 0.000 claims description 21
- IZXIZTKNFFYFOF-UHFFFAOYSA-N 2-Oxazolidone Chemical compound O=C1NCCO1 IZXIZTKNFFYFOF-UHFFFAOYSA-N 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 8
- 229920001296 polysiloxane Polymers 0.000 claims description 6
- 230000002401 inhibitory effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims 2
- 238000005065 mining Methods 0.000 claims 1
- -1 polyethylene Polymers 0.000 description 36
- 239000000463 material Substances 0.000 description 24
- 239000004743 Polypropylene Substances 0.000 description 16
- 210000004369 blood Anatomy 0.000 description 16
- 239000008280 blood Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 16
- 229920000642 polymer Polymers 0.000 description 15
- 229920001155 polypropylene Polymers 0.000 description 13
- 239000000203 mixture Substances 0.000 description 10
- 229920001748 polybutylene Polymers 0.000 description 10
- 238000001914 filtration Methods 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 8
- 229920000573 polyethylene Polymers 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 229920000728 polyester Polymers 0.000 description 7
- 239000004952 Polyamide Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 229920002647 polyamide Polymers 0.000 description 6
- 229920000098 polyolefin Polymers 0.000 description 6
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 229920000915 polyvinyl chloride Polymers 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910001868 water Inorganic materials 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 210000003128 head Anatomy 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 239000002964 rayon Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 241001664469 Tibicina haematodes Species 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000003667 anti-reflective effect Effects 0.000 description 2
- 210000001124 body fluid Anatomy 0.000 description 2
- 239000010839 body fluid Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 230000029142 excretion Effects 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 150000004885 piperazines Chemical class 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920006380 polyphenylene oxide Polymers 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000028327 secretion Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920013683 Celanese Polymers 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 241000405070 Percophidae Species 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- WPMWEFXCIYCJSA-UHFFFAOYSA-N Tetraethylene glycol monododecyl ether Chemical compound CCCCCCCCCCCCOCCOCCOCCOCCO WPMWEFXCIYCJSA-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 229920006221 acetate fiber Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 150000001718 carbodiimides Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000002538 fungal effect Effects 0.000 description 1
- 150000002357 guanidines Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010128 melt processing Methods 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 235000019809 paraffin wax Nutrition 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- 235000019271 petrolatum Nutrition 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920001843 polymethylhydrosiloxane Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 150000003673 urethanes Chemical class 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000003466 welding Methods 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
- 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
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Nonwoven Fabrics (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Materials For Medical Uses (AREA)
- Lock And Its Accessories (AREA)
- Filtering Materials (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US72436096A | 1996-10-01 | 1996-10-01 | |
| US08/724360 | 1996-10-01 | ||
| US08/791918 | 1997-01-31 | ||
| US08/791,918 US5706804A (en) | 1996-10-01 | 1997-01-31 | Liquid resistant face mask having surface energy reducing agent on an intermediate layer therein |
| PCT/US1997/013294 WO1998014078A1 (en) | 1996-10-01 | 1997-07-31 | Liquid resistant face mask |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU3966297A AU3966297A (en) | 1998-04-24 |
| AU718645B2 true AU718645B2 (en) | 2000-04-20 |
Family
ID=27110965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU39662/97A Ceased AU718645B2 (en) | 1996-10-01 | 1997-07-31 | Liquid resistant face mask |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5706804A (enExample) |
| EP (1) | EP0929240B1 (enExample) |
| JP (1) | JP2001501842A (enExample) |
| AU (1) | AU718645B2 (enExample) |
| CA (1) | CA2264606A1 (enExample) |
| DE (1) | DE69716101T2 (enExample) |
| WO (1) | WO1998014078A1 (enExample) |
Families Citing this family (92)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5694927A (en) * | 1995-11-08 | 1997-12-09 | Bohmfalk; George L. | Disposable mask and suction catheter |
| US7268179B2 (en) * | 1997-02-03 | 2007-09-11 | Cytonix Corporation | Hydrophobic coating compositions, articles coated with said compositions, and processes for manufacturing same |
| US6156389A (en) | 1997-02-03 | 2000-12-05 | Cytonix Corporation | Hydrophobic coating compositions, articles coated with said compositions, and processes for manufacturing same |
| US8653213B2 (en) | 1997-02-03 | 2014-02-18 | Cytonix, Llc | Hydrophobic coating compositions and articles coated with said compositions |
| US6495624B1 (en) * | 1997-02-03 | 2002-12-17 | Cytonix Corporation | Hydrophobic coating compositions, articles coated with said compositions, and processes for manufacturing same |
| US5941244A (en) * | 1997-07-29 | 1999-08-24 | Mitsumasa Chino | Dustproof mask |
| US6062221A (en) | 1997-10-03 | 2000-05-16 | 3M Innovative Properties Company | Drop-down face mask assembly |
| US6732733B1 (en) | 1997-10-03 | 2004-05-11 | 3M Innovative Properties Company | Half-mask respirator with head harness assembly |
| GB9723740D0 (en) * | 1997-11-11 | 1998-01-07 | Minnesota Mining & Mfg | Respiratory masks incorporating valves or other attached components |
| US6209541B1 (en) * | 1998-02-25 | 2001-04-03 | Sims Portex Inc. | Hydrophobic electrostatic breathing filters, and methods of manufacturing the same |
| JP3578631B2 (ja) * | 1998-06-16 | 2004-10-20 | サンエム・パッケージ株式会社 | マスク |
| US6139308A (en) * | 1998-10-28 | 2000-10-31 | 3M Innovative Properties Company | Uniform meltblown fibrous web and methods and apparatus for manufacturing |
| US6355081B1 (en) * | 1999-06-01 | 2002-03-12 | Usf Filtration And Separations Group, Inc. | Oleophobic filter materials for filter venting applications |
| US6332465B1 (en) | 1999-06-02 | 2001-12-25 | 3M Innovative Properties Company | Face masks having an elastic and polyolefin thermoplastic band attached thereto by heat and pressure |
| US6412486B1 (en) * | 1999-07-09 | 2002-07-02 | Leonard W. Glass | Disposable filtering face mask and method of making same |
| 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 |
| RU2166016C1 (ru) * | 2000-03-22 | 2001-04-27 | Волгоградская государственная архитектурно-строительная академия | Фильтрующий нетканый материал |
| RU2161217C1 (ru) * | 2000-03-22 | 2000-12-27 | Волгоградская государственная архитектурно-строительная академия | Фильтрующий нетканый материал |
| US6427693B1 (en) * | 2000-05-01 | 2002-08-06 | Kimberly-Clark Worldwide, Inc. | Face mask structure |
| US6513184B1 (en) | 2000-06-28 | 2003-02-04 | S. C. Johnson & Son, Inc. | Particle entrapment system |
| US6644314B1 (en) * | 2000-11-17 | 2003-11-11 | Kimberly-Clark Worldwide, Inc. | Extensible and retractable face mask |
| US6550639B2 (en) | 2000-12-05 | 2003-04-22 | S.C. Johnson & Son, Inc. | Triboelectric system |
| US6977113B2 (en) * | 2001-10-09 | 2005-12-20 | 3M Innovative Properties Company | Microfiber articles from multi-layer substrates |
| US6998068B2 (en) * | 2003-08-15 | 2006-02-14 | 3M Innovative Properties Company | Acene-thiophene semiconductors |
| US20030219613A1 (en) | 2002-05-24 | 2003-11-27 | Air Products Polymers, L.P., A Limited Partnership | Waterborne hydrophobic barrier coatings |
| JP2004024025A (ja) * | 2002-06-21 | 2004-01-29 | Taiwan Kocho Kagi Kofun Yugenkoshi | 気体から毒性物質を除去するためのピニレジナの新規な使用 |
| US7332450B2 (en) | 2002-11-26 | 2008-02-19 | Air Products Polymers, L.P. | Waterborne hydrophobic barrier coatings derived from copolymers of higher vinyl esters |
| US20040163649A1 (en) * | 2003-02-26 | 2004-08-26 | Zechuan Shao | Disposable face mask with skin-care face-contacting layer |
| KR200316234Y1 (ko) * | 2003-03-03 | 2003-06-12 | 박성용 | 건강성유지를 이용한 마스크 |
| CN2629753Y (zh) * | 2003-06-06 | 2004-08-04 | 林荣辉 | 鼻罩 |
| RU2233190C1 (ru) * | 2003-10-23 | 2004-07-27 | Шайхисламов Нуриман Сулейманович | Респиратор |
| US7703456B2 (en) * | 2003-12-18 | 2010-04-27 | Kimberly-Clark Worldwide, Inc. | Facemasks containing an anti-fog / anti-glare composition |
| US8091550B2 (en) | 2003-12-22 | 2012-01-10 | Kimberly-Clark Worldwide, Inc. | Face mask having baffle layer for improved fluid resistance |
| ITPS20040007A1 (it) | 2004-02-18 | 2004-05-18 | Cl Com Advanced Tecnology Srl | Maschera di protezione contro gli agenti biologici |
| US7530354B2 (en) * | 2005-04-04 | 2009-05-12 | Mark Douglas Hanlon | Distending nasal air filter |
| US20060003154A1 (en) * | 2004-06-30 | 2006-01-05 | Snowden Hue S | Extruded thermoplastic articles with enhanced surface segregation of internal melt additive |
| US7285595B2 (en) * | 2004-06-30 | 2007-10-23 | Kimberly-Clark Worldwide, Inc. | Synergistic fluorochemical treatment blend |
| CZ20041086A3 (cs) * | 2004-11-01 | 2006-06-14 | Bauer@Václav | Obvazový materiál s aktivními uhlíkovými vlákny |
| US20060096911A1 (en) * | 2004-11-08 | 2006-05-11 | Brey Larry A | Particle-containing fibrous web |
| US8622059B2 (en) * | 2004-12-21 | 2014-01-07 | Kimberly-Clark Worldwide, Inc. | Face mask with absorbent element |
| US20060130841A1 (en) * | 2004-12-22 | 2006-06-22 | Kimberly-Clark Worldwide, Inc | Face mask with horizontal and vertical folds |
| US20070084139A1 (en) * | 2005-10-17 | 2007-04-19 | Stender Mark L | Exterior wall assembly |
| US20070094964A1 (en) * | 2005-10-17 | 2007-05-03 | Stender Mark L | Dynamically ventilated exterior wall assembly |
| US7503326B2 (en) * | 2005-12-22 | 2009-03-17 | 3M Innovative Properties Company | Filtering face mask with a unidirectional valve having a stiff unbiased flexible flap |
| ITPS20060012A1 (it) * | 2006-05-18 | 2007-11-19 | Cl Com Srl | Nuova maschera di protezione contro gli agenti biologici a due porzioni. |
| US7520923B2 (en) * | 2007-03-22 | 2009-04-21 | Mvp Textiles & Apparel, Inc. | Antimicrobial filtration article |
| US8303693B2 (en) * | 2007-04-26 | 2012-11-06 | The Hong Kong Polytechnic University | Nanofiber filter facemasks and cabin filters |
| US20090000624A1 (en) * | 2007-06-28 | 2009-01-01 | 3M Innovative Properties Company | Respirator having a harness and methods of making and fitting the same |
| US20090211581A1 (en) * | 2008-02-26 | 2009-08-27 | Vishal Bansal | Respiratory mask with microporous membrane and activated carbon |
| US8074660B2 (en) | 2008-12-18 | 2011-12-13 | 3M Innovative Properties Company | Expandable face mask with engageable stiffening element |
| US9012013B2 (en) * | 2008-12-18 | 2015-04-21 | 3M Innovative Properties Company | Expandable face mask with reinforcing netting |
| ITPD20090117A1 (it) * | 2009-05-04 | 2010-11-05 | Euroflex Srl | Spruzzatore a mano per liquidi detergenti |
| US8001736B2 (en) * | 2009-05-18 | 2011-08-23 | Moisture Management, Llc | Exterior wall assembly including moisture transportation feature |
| US8074409B2 (en) * | 2009-05-18 | 2011-12-13 | Moisture Management, Llc | Exterior wall assembly including moisture removal feature |
| US8813443B2 (en) | 2009-05-18 | 2014-08-26 | Moisture Management, Llc | Building envelope assembly including moisture transportation feature |
| US20100287863A1 (en) * | 2009-05-18 | 2010-11-18 | Moisture Management, Llc | Building envelope assembly including moisture transportation feature |
| DE102009023664A1 (de) * | 2009-06-03 | 2010-12-16 | Dräger Medical AG & Co. KG | Atemmaske |
| US8839955B1 (en) * | 2009-11-20 | 2014-09-23 | E4 Technologies Incorporated | Multi-purpose item protector and methods of production thereof |
| US9392866B1 (en) | 2009-11-20 | 2016-07-19 | E4 Technologies, Incorporated | Multi-purpose item protector and method of production thereof |
| US8365771B2 (en) | 2009-12-16 | 2013-02-05 | 3M Innovative Properties Company | Unidirectional valves and filtering face masks comprising unidirectional valves |
| USD676527S1 (en) | 2009-12-16 | 2013-02-19 | 3M Innovative Properties Company | Unidirectional valve |
| CN105709501B (zh) | 2010-02-12 | 2019-01-08 | 唐纳森公司 | 液体过滤介质 |
| MX2012010078A (es) | 2010-03-03 | 2012-09-12 | 3M Innovative Properties Co | Cubrebocas dispensable y metodo para fabricar el mismo. |
| WO2012025451A1 (en) | 2010-08-23 | 2012-03-01 | Fiberweb Corovin Gmbh | Nonwoven web and fibers with electret properties, manufacturing processes thereof and their use |
| US8794238B2 (en) | 2010-12-28 | 2014-08-05 | 3M Innovative Properties Company | Splash-fluid resistant filtering face-piece respirator |
| US20120272967A1 (en) * | 2011-03-02 | 2012-11-01 | Filligent Limited | Mask Structure and Compositions for Use in Decreasing the Transmission of Human Pathogens |
| US9913998B2 (en) * | 2011-03-10 | 2018-03-13 | Adc Tech International Ltd | Air purifier having an electret module |
| WO2013025445A2 (en) | 2011-08-12 | 2013-02-21 | Donaldson Company, Inc. | Liquid filtration media containing melt-blown fibers |
| JP2014128387A (ja) * | 2012-12-28 | 2014-07-10 | San-M Package Co Ltd | マスク |
| AU2015261574B2 (en) * | 2012-12-28 | 2018-01-18 | San-M Package Co., Ltd. | Mask |
| US9247788B2 (en) | 2013-02-01 | 2016-02-02 | 3M Innovative Properties Company | Personal protective equipment strap retaining devices |
| US9259058B2 (en) | 2013-02-01 | 2016-02-16 | 3M Innovative Properties Company | Personal protective equipment strap retaining devices |
| US20150013681A1 (en) * | 2013-07-02 | 2015-01-15 | Lee Stockhamer | Apparatus with Exhaust Spacer to Improve Filtration of Pathogens in Respiratory Emissions of Sneezes |
| US10500316B2 (en) * | 2015-07-21 | 2019-12-10 | Marie Angela Bontigao | Odor neutralizing mask insert |
| EP3368184B8 (en) | 2015-10-31 | 2021-03-17 | Saint-Gobain Performance Plastics Corporation | Truncated filter capsule |
| CN210078649U (zh) * | 2015-12-03 | 2020-02-18 | 霍尼韦尔国际公司 | 用于呼吸面罩中的湿气管理的环形单元 |
| US12070634B2 (en) | 2016-09-16 | 2024-08-27 | 3M Innovative Properties Company | Exhalation valve and respirator including same |
| WO2018074337A1 (ja) * | 2016-10-17 | 2018-04-26 | 株式会社Ｎｂｃメッシュテック | マスク |
| USD837456S1 (en) * | 2017-05-11 | 2019-01-01 | Medline Industries, Inc. | Adjustable mask |
| US10850141B2 (en) | 2017-05-11 | 2020-12-01 | Medline Industries, Inc. | Mask with self-adherent securement strap and methods therefor |
| US11493673B2 (en) | 2017-06-29 | 2022-11-08 | 3M Innovative Properties Company | Article and methods of making the same |
| EP3645776B1 (en) | 2017-06-29 | 2021-08-25 | 3M Innovative Properties Company | Nonwoven article and method of making the same |
| US10687569B1 (en) * | 2018-03-28 | 2020-06-23 | TheHuna LLC | Face mask |
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| JP7665097B2 (ja) * | 2021-08-19 | 2025-04-18 | カウンシル オブ サイエンティフィック アンド インダストリアル リサーチ | ４層フェイスマスク |
| USD1044138S1 (en) * | 2024-01-30 | 2024-09-24 | Shirley Doloris Stradford | Nose mask |
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- 1997-01-31 US US08/791,918 patent/US5706804A/en not_active Expired - Lifetime
- 1997-07-31 WO PCT/US1997/013294 patent/WO1998014078A1/en not_active Ceased
- 1997-07-31 EP EP97937052A patent/EP0929240B1/en not_active Expired - Lifetime
- 1997-07-31 CA CA002264606A patent/CA2264606A1/en not_active Abandoned
- 1997-07-31 JP JP10516510A patent/JP2001501842A/ja not_active Ceased
- 1997-07-31 DE DE69716101T patent/DE69716101T2/de not_active Expired - Fee Related
- 1997-07-31 AU AU39662/97A patent/AU718645B2/en not_active Ceased
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| US4985280A (en) * | 1986-12-22 | 1991-01-15 | Veb Kombinat Medizinund Labortechnik Leipzig | Process for hydrophobization of microbacteria retaining air filter |
| US4920960A (en) * | 1987-10-02 | 1990-05-01 | Tecnol, Inc. | Body fluids barrier mask |
| DE8905261U1 (de) * | 1989-04-26 | 1989-06-22 | Nowak, Kay, Dr., 6940 Weinheim | Gesichtsmaske mit Filter zur Bedeckung der Nase und des Mundes |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2264606A1 (en) | 1998-04-09 |
| US5706804A (en) | 1998-01-13 |
| WO1998014078A1 (en) | 1998-04-09 |
| DE69716101D1 (de) | 2002-11-07 |
| AU3966297A (en) | 1998-04-24 |
| EP0929240A1 (en) | 1999-07-21 |
| JP2001501842A (ja) | 2001-02-13 |
| EP0929240B1 (en) | 2002-10-02 |
| DE69716101T2 (de) | 2003-02-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |