About: http://webisa.webdatacommons.org/250674205

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Accordingly, the presence in a timing layer of the invention of amounts of gelatin or other materials which promote rapid permeation of the layer by alkali and which effectively negate the hold character of the layer, are to be avoided.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com