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Compositions comprising lignin

  • US 9,255,188 B2
  • Filed: 10/08/2013
  • Issued: 02/09/2016
  • Est. Priority Date: 12/30/2011
  • Status: Active Grant
First Claim
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1. A phenolic resin:

  • wherein at least a portion of said phenolic resin is produced by a reaction with a phenol substitute;

    wherein said phenol substitute comprises;

    lignin; and

    less than about 2000 mg in total per kg of said lignin of elements;

    wherein said elements are Al, As, B, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Ni, P, Pb, S, Sb, Se, Si, Sn, Sr, Ti, Tl, V, and Zn.

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