Molded respirator comprising meltblown fiber web with staple...

Details Molded respirator comprising meltblown fiber web with staple... Molded respirator comprising meltblown fiber web with staple...

2011-08-02

2011-08-02

Ortiz, Angela (Department: 1798)

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Nonwoven fabric

Melt-blown nonwoven fabric

C442S334000, C442S340000, C442S344000, C442S401000, C264S172170, C264S172180, C264S172190

Reexamination Certificate

active

07989372

ABSTRACT:
A molded respirator and method of making are disclosed, wherein the molded respirator is made from a porous nonwoven web containing meltblown fibers and staple fibers. The meltblown fibers may be present as a bimodal mixture of microfibers and mesofibers, and comprise an intermingled mixture with staple fibers further intermingled therein. The molded respirator may also contain at least one secondary filtration layer.

REFERENCES:
patent: 3016599 (1962-01-01), Perry, Jr.
patent: 3073735 (1963-01-01), Till
patent: 3981650 (1976-09-01), Page
patent: 4118531 (1978-10-01), Hauser
patent: 4215682 (1980-08-01), Kubik et al.
patent: 4536361 (1985-08-01), Torobin
patent: 4536440 (1985-08-01), Berg
patent: 4714647 (1987-12-01), Shipp, Jr. et al.
patent: 4807619 (1989-02-01), Dyrud et al.
patent: 4931355 (1990-06-01), Radwanski et al.
patent: 5350620 (1994-09-01), Sundet
patent: 5480466 (1996-01-01), Jackson et al.
patent: 5496507 (1996-03-01), Angadjivand et al.
patent: 5582907 (1996-12-01), Pall
patent: 5591335 (1997-01-01), Barboza
patent: 5607491 (1997-03-01), Jackson
patent: 5641555 (1997-06-01), Berrigan et al.
patent: 5656368 (1997-08-01), Braun et al.
patent: 5685757 (1997-11-01), Kirsch et al.
patent: 5783011 (1998-07-01), Barboza et al.
patent: 5853628 (1998-12-01), Varona
patent: 5873968 (1999-02-01), Pike et al.
patent: 5919847 (1999-07-01), Rousseau et al.
patent: 5968635 (1999-10-01), Rousseau et al.
patent: 5993943 (1999-11-01), Bodaghi et al.
patent: 6041782 (2000-03-01), Angadjivand et al.
patent: 6057256 (2000-05-01), Krueger et al.
patent: 6183670 (2001-02-01), Torobin et al.
patent: 6269513 (2001-08-01), Torobin
patent: 6315806 (2001-11-01), Torobin et al.
patent: 6319865 (2001-11-01), Mikami
patent: 6827764 (2004-12-01), Springett et al.
patent: 6923182 (2005-08-01), Angadjivand et al.
patent: 2001/0003082 (2001-06-01), Kahlbaugh et al.
patent: 2002/0116910 (2002-08-01), Berger
patent: 2004/0016345 (2004-01-01), Springett
patent: 2004/0097155 (2004-05-01), Olson et al.
patent: 2004/0211160 (2004-10-01), Rammig
patent: 2005/0136781 (2005-06-01), Lassig
patent: 2008/0026173 (2008-01-01), Angadjivand et al.
patent: 2008/0026659 (2008-01-01), Brandner et al.
patent: 2008/0026661 (2008-01-01), Fox et al.
patent: 2008/0038976 (2008-02-01), Berrigan et al.
patent: 2008/0315454 (2008-12-01), Angadjivand et al.
patent: 2008/0318024 (2008-12-01), Angadjivand et al.
patent: 2647800 (2007-10-01), None
patent: 5-186240 (1993-07-01), None
patent: WO 2007-112877 (2007-10-01), None
U.S. Appl. No. 11/461,128; Stelter, John D.; Jul. 31, 2006; 29 pages.
U.S. Appl. No. 11/461,136; Brandner, John M.; Jul. 31, 2006; 39 pages.
U.S. Appl. No. 11/461,145; Angadjivand, Seyed A.; Jul. 31, 2006; 62 pages.
U.S. Appl. No. 11/693,017; Angadjivand, Seyed A.; Mar. 29, 2007; 26 pages.
U.S. Appl. No. 11/693,186; Angadjivand, Seyed A.; Mar. 29, 2007; 47 pages.

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