Tin/cerium lignosulfonate compounds

Details Tin/cerium lignosulfonate compounds Tin/cerium lignosulfonate compounds

C - Chemistry, Metallurgy

09

K

C09K 8/20 (2006.01) C07G 99/00 (2009.01) C09K 7/02 (1990.01) C07G 17/00 (2006.01)

Patent

CA 2105256

This invention concerns tin-, cerium-, and base-treated tin-bearing lignosulfonates, a process for their preparation from calcium lignosulfonate, and a process for the use thereof as drilling fluid additives.

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