About: http://webisa.webdatacommons.org/293570736

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	In order to solve this problem, there is a need for a photothermographic element containing improved coupler systems that will exhibit a higher reactivity with oxidized developer than couplers heretofore discovered.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com