Assertion: epoxy | /r/HasProperty | introduced by pierre castan
Facets:
value: in the year of 1936
type: TEMPORAL
value: in switzerland
type: LOCATION
Source sentences:
text: Epoxy resins were first introduced by Pierre Castan in Switzerland, in the year of 1936, who synthesized the first epoxy polymer via the curing of it with phthalic acid anhydride.