Claims
- 1. A composition of matter comprising a porous, transparent titanium dioxide ceramic membrane having a mean pore diameter of less than 40 Angstroms and a surface area available for contact of a filtrate in excess of 200 sq. m/g.
- 2. A composition of matter as claimed in claim 1 wherein the mean pore diameter is greater than 5 Angstroms.
- 3. A composition of matter comprising a porous, transparent metal oxide ceramic membrane having a mean pore diameter of less than 40 Angstroms, a metal selected from the group consisting of transition metals and mixtures thereof and a surface area available for contact of a filtrate in excess of 200 sq. m/g.
- 4. A composition of matter as claimed in claim 3 wherein the mean pore diameter is greater than 15 Angstroms.
CROSS REFERENCE TO RELATED APPLICATION
This application is a continuation-in-part of application Ser. No. 07/425,668 filed Oct. 23, 1989.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4929406 |
Abe et al. |
May 1990 |
|
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
425668 |
Oct 1989 |
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