Process for reduced crude sediment in metal salts of...

Details Process for reduced crude sediment in metal salts of... Process for reduced crude sediment in metal salts of...

C - Chemistry, Metallurgy

07

F

C07F 9/165 (2006.01) C10M 137/10 (2006.01)

Patent

CA 2509131

A process for the manufacture of a low sediment overbased metal dithiophosphate composition is disclosed. The process uses delayed addition of a C1 to C5 mono-carboxylic acid promoter during the neutralization of a primary dialkyl dithiophosphoric acid. The process results in reducing crude sediment whereby the resulting overbased metal dithiophosphate may need not undergo additional filtration steps prior to its intended use.

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