C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
260/530.7
C11D 3/34 (2006.01)
Patent
CA 1131659
ABSTRACT Sulphonic Acids and Sulphonates Purification of sulphuric acid rich sulphonic acids particularly those prepared by oleum sulphonation by water washing, treatment with an olefine and final heat treatment.
318509
Laurent Robert M.
Prillieux Marcel
Tirtiaux Robert
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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