| http://www.w3.org/ns/prov#value | - Optionally, a film forming agent such as a polyalkylene oxide film forming agent comprising repeating units of ##STR3## where R is hydrogen or alkyl of from 1 to 3 carbon atoms and x is an integer such that the number average molecular weight of the film forming agent is at least about 100,000 and preferably from about 100,000 to about 5,000,000 and even more preferably from about 500,000 to about
|
