C - Chemistry – Metallurgy – 07 – F
Patent
C - Chemistry, Metallurgy
07
F
260/460.3
C07F 9/165 (2006.01) C10M 137/10 (2006.01)
Patent
CA 2006020
PRODUCTION OF PHOSPHOROTHIOATE SALTS ABSTRACT OF THE DISCLOSURE Amine salts of phosphorothioic acids, useful for example in lubricant compositions, are made by forming a mixture of sulphur and an amine, and then adding a phos- phite ester. The reaction is controlled by the rate of addition of the ester.
James Barrie D.
Scattergood Roger
Ethyl Petroleum Additives Limited
Macrae & Co.
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