Treatment of aqueous systems using a chemically modified tannin

Assignee

• Betzdearborn

Inventors

• David B. Mitchell (16 patents)
• Ralph L. Minnis (15 patents)
• Thomas Peter Curran (6 patents)
• Steven M Deboo (4 patents)
• John A. Kelly (22 patents)
• Rashmi Patwardhan (4 patents)
• Wun Ten Tai (7 patents)

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