| http://www.w3.org/ns/prov#value | - The hydrophobic polymer binder which can be used in the present invention is a transparent synthetic polymer, examples of which include those described in U.S. Pat. Nos. 3,142,586, 3,193,386, 3,062,674, 3,220,844, 3,287,289 and 3,411,911.
|
