C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/30, 166/33
C11D 1/12 (2006.01)
Patent
CA 2002485
MFE-P-1483 ABSTRACT OF THE DISCLOSURE Divalent ion tolerant aromatic sulfonate suitable for enhanced oil recovery characterized by the formula: Image where x = O to 4 R'= H or CH3 R - CH3(CH,2)y and y = 1 to 15. Preferably, the composition comprises of second compound characterized by the formula Image wherein R, x, y, and R' are the same as defined in claim 1. P:AFO
Coffey Gerald P.
Cooper Arthur J.
Loza Roman
Coffey Gerald P.
Cooper Arthur J.
Gowling Lafleur Henderson Llp
Loza Roman
Standard Oil Company (the)
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