| http://www.w3.org/ns/prov#value | - By way of an example, the prior art of using a 20% super-addition of a coarse graphite pore former [median particle size (???MPS???) of 90 microns] to a cordierite composition talc, clay, silica, and alumina (and optionally additional materials such as plasticizer, lubricants, and other materials as is known in the art) containing composition to make porous cellular ceramic structures resulted in
|
