Meltblown barrier webs and processes of making same

Details Meltblown barrier webs and processes of making same Meltblown barrier webs and processes of making same

1996-07-02

1997-07-08

Cannon, James C.

Surgery

Respiratory method or device

Means for removing substance from respiratory gas

55528, 55DIG39, 156 624, 156167, 156176, 1563082, 264DIG48, 4283155, 4283159, 428903, 442346, 442381, 442382, A62B 2300, A62B 2306, B32B 526, B32B 532

Patent

active

056450575

ABSTRACT:
A nonwoven disposable face mask includes a filtration layer formed of a plurality of thermoplastic microfine meltblown microfibers having an average fiber diameter of less than 1.5 microns. The filtration layer also has a basis weight of less than ten grams per square meter. The resultant face mask provides improved wearer comfort and barrier and filtration properties.

REFERENCES:
patent: 4011167 (1977-03-01), Carey et al.
patent: 4041203 (1977-08-01), Brack et al.
patent: 4215682 (1980-08-01), Kubik et al.
patent: 4375718 (1983-03-01), Wadsworek et al.
patent: 4419993 (1983-12-01), Petersen
patent: 4536440 (1985-08-01), Berg
patent: 4588537 (1986-05-01), Klaase et al.
patent: 4608173 (1986-08-01), Watanabe et al.
patent: 4662005 (1987-05-01), Grier-Idris
patent: 4807619 (1989-02-01), Dyrud et al.
patent: 4813948 (1989-03-01), Insley
patent: 4863785 (1989-09-01), Berman et al.
patent: 4874399 (1989-10-01), Reed et al.
patent: 4874659 (1989-10-01), Ando et al.
patent: 4920960 (1990-05-01), Hubbard et al.
patent: 4921645 (1990-05-01), Insley
patent: 4969457 (1990-11-01), Hubbard et al.
patent: 5122048 (1992-06-01), Deeds
patent: 5149468 (1992-09-01), Hershelman
patent: 5150703 (1992-09-01), Hubbard et al.
patent: 5254297 (1993-10-01), Deeds
patent: 5306534 (1994-04-01), Bosses
patent: 5307796 (1994-05-01), Kronyer et al.
patent: 5322061 (1994-06-01), Brunson
patent: 5409766 (1995-04-01), Yuasu et al.
patent: 5436066 (1995-07-01), Chen
patent: 5482765 (1996-01-01), Bradley et al.
patent: 5486411 (1996-01-01), Hassenbochler et al.

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