Assertion: petrolatum | /r/AtLocation | recent years
Facets:
value: synthetically
type: MANNER
Source sentences:
text: In recent years, petrolatum has been made synthetically by blending mineral oil and microcrystalline waxes or paraffinic waxes or both with the objective of yielding a semisolid mixture of hydrocarbons that after decolorization meets the physical standards of the U.S.P. and N.F. for White Petrolatum and Petrolatum respectively.