Drilling fluids containing novel compositions of matter

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

31/32, 260/507.1

C07C 63/00 (2006.01) C07C 63/33 (2006.01) C09K 8/22 (2006.01)

Patent

CA 1134855

ABSTRACT A drilling fluid containing a new composition of matter resulting from the reaction of (1) substantially water- insoluble polycyclic, polycarboxylic acids obtained as a result of the oxidation of coal with (2) a base. The new composition of matter is also claimed.

340182

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