Filter medium

Details Filter medium Filter medium

2011-08-09

2011-08-09

Clemente, Robert A (Department: 1775)

Gas separation

Two or more separators

Plies or layers of different characteristics or orientation

C055S487000, C055S527000, C055S528000

Reexamination Certificate

active

07993427

ABSTRACT:
The present invention relates to a filter composed of a multi-ply filter medium, which comprises at least one non-woven stiffening layer, at least one filtration layer, at least one covering layer and where necessary at least one non-woven microfiber layer, the non-woven stiffening layer comprising fibers of synthetic polymers and the fibers being both partially oriented and oriented fibers.

REFERENCES:
patent: 5993501 (1999-11-01), Cusick et al.
patent: 6350291 (2002-02-01), Gieseke et al.
patent: 6610117 (2003-08-01), Gieseke et al.
patent: 6783565 (2004-08-01), Gieseke et al.
patent: 7094270 (2006-08-01), Schultink et al.
patent: 7303604 (2007-12-01), Gieseke et al.
patent: 2005/0210844 (2005-09-01), Kahlbaugh et al.
patent: 2009/0272084 (2009-11-01), Healey et al.
patent: 2010/0107881 (2010-05-01), Healey et al.
patent: 196 30 522 (2002-10-01), None
patent: 697 29 936 (2005-07-01), None
patent: 0 590 629 (1997-02-01), None
patent: 0 446 822 (1999-06-01), None
patent: WO 2005/108665 (2005-11-01), None
Definition for birefringence from YourDictionary.com.
Definition for birefringence from Merriam-Webster's Online Dictionary.

Affiliated with

Also associated with

Rating

Filter medium does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Filter medium, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filter medium will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2775117