Process for the production of an additive for lubricating...

Details Process for the production of an additive for lubricating... Process for the production of an additive for lubricating...

C - Chemistry, Metallurgy

11

D

134/30, 260/466.

C11D 1/12 (2006.01) C07C 68/04 (2006.01) C07C 69/96 (2006.01) C10M 159/22 (2006.01) C11D 7/34 (2006.01) D06L 1/12 (2006.01)

Patent

CA 1084800

A PROCESS FOR THE PRODUCTION OF AN ADDITIVE FOR LUBRICATING OILS AND RELATED PRODUCT ABSTRACT OF THE DISCLOSURE A detergent additive for lubricating oils is prepared by reacting an alkylphenolsulfide with an oxide or hydroxide of a earth-alkali metal and carbonating the reaction product with carbon dioxide, the reaction being carried out in the presence of a promoter, selected in the class of the organic nitrogen compounds, and possibly of a co-promoter; the temperature and the time of the reaction are depending on whether the co-promoter is present. The resulting product shows improved detergency and flow- ability properties.

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