Assertion: pvc | /r/CreatedBy | german chemist
Facets:
value: in 1872
type: TEMPORAL
Source sentences:
text: Polyvinyl chloride or PVC was first created by the German chemist Eugen Baumann in 1872.
text: Polyvinyl chloride or PVC was first created by the German chemist Eugen Baumann in 1872.