DIFF Subgroup
C04B 24/18 Lignin sulfonic acid or derivatives thereof, e.g. sulfite lye
Introduced: January 1985
Full Title
Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers > Sulfur-containing compounds > Lignin sulfonic acid or derivatives thereof, e.g. sulfite lye
No child classifications to compare. This is a leaf node in both IPC and CPC.