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JPS5718641B2
(US06811534-20041102-M00003.png)
*
|
1973-07-17 |
1982-04-17 |
|
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NL160303C
(nl)
*
|
1974-03-25 |
1979-10-15 |
Verto Nv |
Werkwijze voor het vervaardigen van een vezelfilter.
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CA1043289A
(en)
*
|
1974-06-17 |
1978-11-28 |
Allen L. Taylor |
Poling machine
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JPS5821413B2
(ja)
*
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1974-07-31 |
1983-04-30 |
松下電器産業株式会社 |
エレクトレツトフイルム
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(en)
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1978-02-06 |
1980-08-05 |
Minnesota Mining And Manufacturing Company |
Melt-blown fibrous electrets
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(en)
*
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1980-03-24 |
1981-12-29 |
Albany International Corp. |
Method for producing electret fibers for enhancement of submicron aerosol filtration
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(en)
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1982-02-04 |
1984-02-28 |
Pennwalt Corporation |
Production of wrinkle-free piezoelectric films by poling
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(en)
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1982-03-29 |
1987-03-12 |
Rhodia Ag |
Process and apparatus for the manufacture of electret filaments, fibres or the like
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(en)
*
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1983-10-11 |
1989-01-03 |
Minnesota Mining And Manufacturing Company |
Bicomponent fibers and webs made therefrom
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US4547420A
(en)
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1983-10-11 |
1985-10-15 |
Minnesota Mining And Manufacturing Company |
Bicomponent fibers and webs made therefrom
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(en)
*
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1983-10-11 |
1988-03-08 |
Minnesota Mining And Manufacturing Company |
Respirator comprised of blown bicomponent fibers
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(en)
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1984-10-24 |
1989-10-17 |
Toray Industries |
Electret fiber sheet and method of producing same
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JPS61231270A
(ja)
*
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1985-04-04 |
1986-10-15 |
東レ株式会社 |
エレクトレツト繊維シ−トの製造法
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JPS61272063A
(ja)
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1985-05-29 |
1986-12-02 |
東レ株式会社 |
マスク
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(en)
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1987-12-21 |
1992-08-25 |
Minnesota Mining And Manufacturing Company |
Process for making oriented melt-blown microfibers
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1987-12-21 |
1991-01-29 |
Minnesota Mining And Manufacturing Company |
Oriented melt-blown fibers, processes for making such fibers, and webs made from such fibers
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1987-12-21 |
1999-11-30 |
3M Innovative Properties Company |
Oriented melt-blown fibers, processes for making such fibers and webs made from such fibers
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1991-09-30 |
1994-05-24 |
Kimberly-Clark Corporation |
Area thinned thin sheet materials
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1991-09-30 |
1995-08-22 |
Kimberly-Clark Corporation |
Hydrosonically embedded soft thin film materials
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1992-09-23 |
1994-08-09 |
Kimberly-Clark Corporation |
Process for hydrosonically area embossing thin thermoplastic film materials
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(en)
*
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1992-09-23 |
1994-12-06 |
Kimberly-Clark Corporation |
Hydrosonic process for forming electret filter media
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EP0623941B1
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*
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1993-03-09 |
1997-08-06 |
Hoechst Celanese Corporation |
Polymer electrets with improved charge stability
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1997-10-31 |
2003-03-25 |
Kimberly-Clark Worldwide, Inc. |
Sterilization wrap, applications therefor, and method of sterilizing
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1998-06-26 |
2002-04-02 |
Kimberly-Clark Worldwide, Inc. |
Electret treatment of high loft and low density nonwoven webs
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US6513184B1
(en)
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2000-06-28 |
2003-02-04 |
S. C. Johnson & Son, Inc. |
Particle entrapment system
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(en)
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2000-12-05 |
2003-04-22 |
S.C. Johnson & Son, Inc. |
Triboelectric system
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(en)
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2002-06-20 |
2005-03-01 |
3M Innovative Properties Company |
Attenuating fluid manifold for meltblowing die
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US6846450B2
(en)
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2002-06-20 |
2005-01-25 |
3M Innovative Properties Company |
Method for making a nonwoven web
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(en)
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2002-06-20 |
2004-11-30 |
3M Innovative Properties Company |
Meltblowing apparatus employing planetary gear metering pump
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DE102007018937A1
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2007-04-21 |
2008-10-23 |
Helsa-Automotive Gmbh & Co. Kg |
Elektrostatisch geladenes oder aufladbares Filtermaterial und Verfahren zu dessen Herstellung
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RU2521598C2
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2011-01-13 |
2014-07-10 |
Общество с ограниченной ответственностью "МЕДЭЛ" |
Способ изготовления электретов
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2020-08-10 |
2023-10-17 |
F.N. Smith Corporation |
Facepiece electrostatic charging devices and methods thereof
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