Invention Grant
- Patent Title: Method for preparing ceramic filter and ceramic filter prepared by the same
- Patent Title (中): 陶瓷过滤器和陶瓷过滤器的制备方法
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Application No.: US11487406Application Date: 2006-07-17
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Publication No.: US07753983B2Publication Date: 2010-07-13
- Inventor: Jong Sik Choi , Young Min Kong , Hoon Ahn , Sun Joo Kim , Seong Moon Jung , Dae Gon Han
- Applicant: Jong Sik Choi , Young Min Kong , Hoon Ahn , Sun Joo Kim , Seong Moon Jung , Dae Gon Han
- Applicant Address: KR Seoul
- Assignee: LG Chem, Ltd.
- Current Assignee: LG Chem, Ltd.
- Current Assignee Address: KR Seoul
- Agency: McKenna Long & Aldridge LLP
- Priority: KR10-2005-0067530 20050725
- Main IPC: B01D39/06
- IPC: B01D39/06 ; B01D24/00 ; B01D39/14

Abstract:
A ceramic filter and method for preparing the same. The method for preparing the ceramic filter according to the present invention is characterized in comprising the steps of: (a) coating firstly a ceramic green paper prepared by using a slurry solution comprising ceramic fiber of 0.1-10 mm length, with an aluminum silicate solution and drying the firstly coated paper; (b) coating secondly the dried ceramic green paper with an aluminum phosphate solution and drying the secondly coated paper; and (c) calcining the dried ceramic green paper obtained from the step (b). The ceramic filter according to the present invention has excellent mechanical strength since the bonding strength between ceramic fibers is very high, and shows good porosity, gas permeability, and efficiency for capturing microparticles since the pores between the ceramic fibers are less blocked, and thus can be very usefully applied to gas exhaustion system for automobile.
Public/Granted literature
- US20070017196A1 Method for preparing ceramic filter and ceramic filter prepared by the same Public/Granted day:2007-01-25
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