73295674
Feb 4, 1981
Oct 16, 1984
Chemical Products for the Paper Industry-Namely, Deposit Control Agents, Corrosion Control Agents, Felt Conditioners, Foam Control Agents, and Polymers for Water Clarification, Drainage and Retention
ChemicalsBacteriacides, Fungicides, and Algaecides for Use in the Treatment of Aqueous Systems Used in the Preparation of Wood Pulp, Paper and Paper Products
Pharmaceuticals