| abstract |
DETAILS OF THE DISCLOSURE: New phosphosulfur compounds corresponding to the following general formula (I): (((R1-Sx-Oy-A-) rBv) pP (X) -Yt) qZm in which, for example, R1 represents a group alkyl or alkenyl, A represents the group - (CH2) nO-, B represents the group -P (S) -S-CH2-CH (CH3) -O-, X represents an oxygen atom or a sulfur atom; Y represents an oxygen atom, a sulfur atom or an oxygenated or sulfur-containing hydrocarbon chain; Z represents a hydrogen, chlorine, sulfur atom, a polysulphurized chain, a metal or an alkyl or alkenyl group, x = 1,2 or 3, y = 0, 1 or 2, v = 0 or 1, r = 1 (if v = O) or r = 2 (if v = 1), p = 2 or 3, t = 0 or 1, m = 0, 1 or 2, q = valence of Z if Z is a metal or q = 1 or 2; n being a number from 1 to 30. Use of said compounds as additives for lubricating oils. |