US 12,134,077 B2
Apparatus, systems, and methods for purifying a fluid with a silicon carbide membrane
Anthony L. Powell, London (CA); and Brian E. Butters, London (CA)
Assigned to 1934612 Ontario Inc.
Filed by 1934612 ONTARIO INC., London (CA)
Filed on May 25, 2023, as Appl. No. 18/202,166.
Application 17/160,485 is a division of application No. 15/356,098, filed on Nov. 18, 2016, granted, now 10,940,443, issued on Mar. 9, 2021.
Application 18/202,166 is a continuation of application No. 17/160,485, filed on Jan. 28, 2021, granted, now 11,697,097.
Claims priority of provisional application 62/258,274, filed on Nov. 20, 2015.
Prior Publication US 2023/0294048 A1, Sep. 21, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B01D 67/00 (2006.01); B01D 63/06 (2006.01); B01D 65/00 (2006.01); B01D 69/02 (2006.01); B01D 71/02 (2006.01)
CPC B01D 67/0039 (2013.01) [B01D 63/065 (2013.01); B01D 63/066 (2013.01); B01D 65/003 (2013.01); B01D 67/0046 (2013.01); B01D 67/0083 (2013.01); B01D 67/0088 (2013.01); B01D 69/02 (2013.01); B01D 71/0215 (2022.08); B01D 71/025 (2013.01); B01D 71/027 (2013.01); B01D 2315/10 (2013.01); B01D 2319/04 (2013.01); B01D 2325/20 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A ceramic membrane comprising:
a substrate comprising a binder and having a first face, a second face, one or more inner channels, and an elongate side connecting the first face to the second face;
a first membrane layer on at least a portion of the first face of the substrate; and
a second membrane layer on at least a portion of the second face of the substrate; and
a third membrane layer on at least a portion of the one or more inner channels, wherein:
each of the first membrane layer, the second membrane layer, and the third membrane layer comprises a larger pore size than the substrate, or
each of the first membrane layer, the second membrane layer, and the third membrane layer comprises a smaller pore size than the substrate.