Invention Grant
- Patent Title: Cement and skinning material based on a water-swellable clay, and method for producing segmented or skinned ceramic honeycomb structures
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Application No.: US14362483Application Date: 2012-12-10
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Publication No.: US10214451B2Publication Date: 2019-02-26
- Inventor: Aleksander J. Pyzik , Sharon Allen , Peter C. Saucier
- Applicant: Dow Global Technologies LLC
- Applicant Address: US MI Midland
- Assignee: DOW GLOBAL TECHNOLOGIES LLC
- Current Assignee: DOW GLOBAL TECHNOLOGIES LLC
- Current Assignee Address: US MI Midland
- Agency: The Dobrusin Law Firm, P.C.
- International Application: PCT/US2012/068832 WO 20121210
- International Announcement: WO2013/090214 WO 20130620
- Main IPC: C04B28/00
- IPC: C04B28/00 ; C04B37/00 ; C04B35/185 ; C04B38/00 ; B29L31/60
Abstract:
Skins and/or adhesive layers are formed on a porous ceramic honeycomb by applying a layer of a cement composition to a surface of the honeycomb and firing the cement composition. The cement composition contains a water-swellable clay, high aspect inorganic filler particles and water, and are nearly or completely devoid of particles smaller than 100 nm and a cellulosic polymer.
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