Assertion: mapp gas | /r/PartOf | the dow chemical company
Facets:
value: previously
type: TEMPORAL
value: for a fuel gas
type: PURPOSE
Source sentences:
text: MAPP gas was a trademarked name, belonging to The Linde Group, and previously belonging to the Dow Chemical Company, for a fuel gas based on a stabilized mixture of methylacetylene (propyne) and propadiene.