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1975-05-07 |
Ciba Geigy Ag |
Piperidine derivatives
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1974-01-21 |
1976-07-27 |
Minnesota Mining And Manufacturing Company |
Particle-loaded microfiber sheet product and respirators made therefrom
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1974-03-25 |
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Kimberly-Clark Corporation |
Nonwoven fabric and method of producing same
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1976-08-02 |
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1976-12-23 |
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Minnesota Mining & Mfg |
Electreetfilter en werkwijze voor het vervaardigen daarvan.
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Minnesota Mining And Manufacturing Company |
Melt-blown fibrous electrets
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Massachusetts Institute Of Technology |
Process for fluorinating polymers
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Surgikos, Inc. |
Method of making fibrous electrets
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Minnesota Mining And Manufacturing Company |
Sheet product containing sorbent particulate material
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1982-06-07 |
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Toshiharu Yagi |
Process for fluorination by inorganic fluorides in glow discharge
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1982-06-07 |
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The United States Of America As Represented By The Secretary Of Agriculture |
Fluorination by inorganic fluorides in glow discharge
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1987-09-24 |
Minnesota Mining And Manufacturing Company |
Method and apparatus for manufacturing an electret filter medium
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Japan Vilene Co Ltd |
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Toyo Boseki |
Elektretisiertes Staubfilter und dessen Herstellung
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東洋紡績株式会社 |
エレクトレツト化材料の製造法
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1984-03-27 |
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Minnesota Mining And Manufacturing Company |
Molded fibrous filtration products
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東レ株式会社 |
エレクトレット材料
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Minnesota Mining And Manufacturing Company |
Filter element
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1992-10-09 |
1995-03-28 |
The University Of Tennessee Research Corporation |
Method and apparatus for the electrostatic charging of a web or film
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1992-10-19 |
1999-01-20 |
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エレクトレット化不織布およびその製造方法
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1993-08-17 |
2010-04-08 |
Minnesota Mining And Manufacturing Company |
Metodo para cargar medios filtrantes de electretos.
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Hoechst Ag, 65929 Frankfurt |
Vliese aus Elektretfasermischungen mit verbesserter Ladungsstabilität
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1999-06-01 |
Minnesota Mining And Manufacturing Company |
Fibrous webs having enhanced electret properties
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Ciba Sc Holding Ag |
Degradacion de polimeros mediante compuestos nor-hals.
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1997-10-01 |
2001-04-10 |
3M Innovative Properties Company |
Electret fibers and filter webs having a low level of extractable hydrocarbons
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3M Innovative Properties Company |
Electret articles and filters with increased oily mist resistance
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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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1998-07-02 |
2002-08-13 |
3M Innovative Properties Company |
Fluorinated electret
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1998-09-03 |
2000-09-26 |
3M Innovative Properties Company |
High efficiency synthetic filter medium
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1999-04-19 |
2003-12-12 |
Atochem Elf Sa |
Procede de fabrication d'une resine de polypropylene a rheologie controlee
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1999-07-21 |
2001-02-13 |
Hollingsworth And Vose Company |
Plasma treated electret filter media
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1999-10-08 |
2002-06-18 |
3M Innovative Properties Company |
Method and apparatus for making a fibrous electret web using a wetting liquid and an aqueous polar liquid
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1999-10-08 |
2002-09-24 |
3M Innovative Properties Company |
Method of making a fibrous electret web using a nonaqueous polar liquid
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1999-10-08 |
2002-04-23 |
3M Innovative Properties Company |
Method and apparatus for making a nonwoven fibrous electret web from free-fiber and polar liquid
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2000-04-18 |
2007-09-11 |
도소 가부시키가이샤 |
열가소성수지 조합물의 제조방법
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2000-05-25 |
2002-07-16 |
Transweb, Llc. |
Plasma treatment of filter media
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JP4581212B2
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2000-10-11 |
2010-11-17 |
東レ株式会社 |
エレクトレット加工品の製造方法
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JP4581213B2
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2000-10-11 |
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エレクトレット加工品の製造方法
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Wettable polyolefin fibers and fabrics
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2000-11-28 |
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Toray Ind Inc |
エレクトレット加工品の製造方法
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2000-11-28 |
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Toray Ind Inc |
エレクトレット加工品の製造方法
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2000-11-28 |
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東レ株式会社 |
エレクトレット加工品の製造方法
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東レ株式会社 |
エレクトレット加工品の製造方法
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2001-03-21 |
2004-10-12 |
Hollingsorth & Vose Company |
Vapor deposition treated electret filter media
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2001-05-11 |
2011-05-25 |
東レ株式会社 |
エレクトレット加工品の製造方法
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2001-06-18 |
2005-11-29 |
Toray Industries, Inc. |
Manufacturing method and device for electret processed product
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2001-06-29 |
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Toray Ind Inc |
エレクトレット加工品の製造方法
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2001-12-14 |
2011-02-15 |
3M Innovative Properties Company |
Plasma fluorination treatment of porous materials
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2002-07-30 |
2004-02-26 |
Toyobo Co Ltd |
エレクトレット濾材の製造方法
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JP4069057B2
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2003-10-29 |
2008-03-26 |
タピルス株式会社 |
高性能エアフィルタ
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JP2005131484A
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2003-10-29 |
2005-05-26 |
Tapyrus Co Ltd |
洗浄可能フィルタ
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2004-04-16 |
2005-10-27 |
Basf Aktiengesellschaft |
Use of pyridindione derivatives for protecting organic material against detrimental effects of light
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2004-09-09 |
2011-06-07 |
Basf Se |
Degradation of polypropylene with hydroxylamine ester compositions
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2005-03-07 |
2006-09-14 |
3M Innovative Properties Company |
Vehicle passenger compartment air filter devices
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2005-05-02 |
2007-07-17 |
3M Innovative Properties Company |
Electret article having heteroatoms and low fluorosaturation ratio
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2005-05-02 |
2007-07-17 |
3M Innovative Properties Company |
Electret article having high fluorosaturation ratio
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2006-02-09 |
2008-06-24 |
3M Innovative Properties Company |
Electrets and compounds useful in electrets
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2006-02-24 |
2014-06-10 |
Ciba Holding Inc. |
Viscosity breaking process for olefin polymers
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JP5047848B2
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2008-03-14 |
2012-10-10 |
クラレクラフレックス株式会社 |
生分解性不織布のエレクトレット体及びフィルター
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RU2010148559A
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2008-06-02 |
2012-07-20 |
3М Инновейтив Пропертиз Компани (US) |
Усиливающие заряд добавки для электретов
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CN102046871B
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2008-06-02 |
2013-02-13 |
3M创新有限公司 |
驻极体料片、驻极体过滤介质和制备驻极体料片的方法
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2008-06-02 |
2010-08-03 |
3M Innovative Properties Company |
Method of making electret articles based on zeta potential
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2009-04-03 |
2013-08-28 |
3M Innovative Properties Company |
Electret webs with charge-enhancing additives
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