Invention Grant
- Patent Title: Filter medium
- Patent Title (中): 过滤介质
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Application No.: US12154600Application Date: 2008-05-23
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Publication No.: US07993427B2Publication Date: 2011-08-09
- Inventor: Christian Hassmann , Hans-Jürgen Meitinger , Kurt Plötz , Jürgen Umminger , Michael Schöps
- Applicant: Christian Hassmann , Hans-Jürgen Meitinger , Kurt Plötz , Jürgen Umminger , Michael Schöps
- Applicant Address: US CO Denver
- Assignee: Johns Manville
- Current Assignee: Johns Manville
- Current Assignee Address: US CO Denver
- Agent Robert D. Touslee
- Priority: DE102007027299 20070611
- Main IPC: B01D46/00
- IPC: B01D46/00
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.
Public/Granted literature
- US20080302072A1 Filter medium Public/Granted day:2008-12-11
Information query
