Assertion: lignin's weight | /r/HasProperty | et al.
Facets:
Source sentences:
text: For purposes of the instant invention, the lignin has a number- average or weight- average molecular weight (i.e., M n or M w , respectively) of about, up to, or less than 300, 500, 1,000, 3,000, 5,000, 8,000, 10,000, 50,000, 100,000, 500,000 or 1,000,000 g/mol, [G. Fredheim, et al., J. Chromatogr.