Title:
LOW BORON CONTAINING MICROFIBERGLASS FILTRATION MEDIA
Document Type and Number:
WIPO Patent Application WO2001043850
Kind Code:
A9
Abstract:
The present invention provides nonwoven glass composites formed from an essentially boron free glass wool and an essentially boron free chopped glass fiber, used as a reinforcing material. The nonwoven glass composites are suitable for air filtration apparatus and can be used in the semiconductor industry where the elimination of boron from clean rooms is of importance.
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Inventors:
PIERCE MARY E
Application Number:
PCT/US2000/033912
Publication Date:
May 16, 2002
Filing Date:
December 14, 2000
Export Citation:
Assignee:
HOLLINGSWORTH & VOSE CO (US)
International Classes:
B01D39/20; D04H1/42; D06M15/263; D06M15/277; D06M15/53; D21H13/40; D21H27/08; (IPC1-7): B01D39/20
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