Assertion: zinsser shellac | /r/HasProperty | sold
Facets:
value: up to that point
type: TEMPORAL
Source sentences:
text: As word of this marvelous new varnish spread among tradesman of all nationalities the demand for shellac grew from a few pounds per day to thousands of gallons by the turn of the century; up to that point Zinsser shellac was sold to vendors who packaged the product under their own label and name.