C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/10, 400/1344,
C09K 8/24 (2006.01) E21B 21/00 (2006.01)
Patent
CA 1236608
ABSTRACT Materials for use in Drilling Muds Bentonites can be extended for use in drilling muds by addition of a novel polymer blend comprising a low molecular weight water soluble non-ionic or anionic polymer and a high molecular weight anionic polymer.
466611
Allied Colloids Limited
Mccarthy Tetrault Llp
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