Title:
フッ素化エレクトレット
Document Type and Number:
Japanese Patent JP4440470
Kind Code:
B2
Abstract:
A method of making a respirator, which method includes placing an electret in a respirator body that is adapted to fit over the nose and mouth of a wearer. The electret is disposed in the respirator body such that air passes through it before being inhaled by a respirator wearer. The electret includes a nonwoven web that has fluorinated polymeric microfibers and that has at least about 25% atomic fluorine as detected by ESCA and a CF3:CF2 ratio of at least about 0.45.
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Inventors:
Marvin E. Jones
Christopher S. Lions
David B. Redmond
Jeffrey El Solomon
Cade A Angadji Band
Christopher S. Lions
David B. Redmond
Jeffrey El Solomon
Cade A Angadji Band
Application Number:
JP2000558137A
Publication Date:
March 24, 2010
Filing Date:
June 21, 1999
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
International Classes:
B01D39/14; B03C3/28; C08F8/20; C08F8/24; C08J7/00; C08J7/12; D06M10/02; D06M13/08; H01G7/02
Domestic Patent References:
| JP60060789A | ||||
| JP6134225A | ||||
| JP8224414A | ||||
| JP6218211A | ||||
| JP1232038A | ||||
| JP8224413A | ||||
| JP6047218A |
Attorney, Agent or Firm:
Aoyama Aoi
Muneo Yamamoto
Muneo Yamamoto