| abstract |
NEW PRODUCTS OF THE DIHYDROCARBYL-DITHIOPHOSPHYL-DITHIOPHOSPHATES METAL TYPE, THEIR PREPARATION AND THEIR USE ARE DESCRIBED. THESE PRODUCTS MAY BE REPRESENTED BY THE GENERAL FORMULA: (CF DRAWING IN BOPI) IN WHICH R REPRESENTS A SUBSTANTIALLY HYDROCARBON MONOVALENT RADICAL WITH 1 TO 30 CARBON ATOMS, X AND Y EACH REPRESENTS A SUBSTANTIALLY HYDROCARBON MONOVALENT RADICAL, X AND Y EACH REPRESENTING A SUBSTANTIALLY HYDROCARBON MONOVALENT RADICAL OR A MONOVALENT HYDROCARBON ATOMES, X AND Y EACH REPRESENTING A SUBSTANTIALLY HYDROCARBON MONOVALENT HYDROCARBON ATOM, X AND Y EACH REPRESENTING A SUBSTANTIALLY HYDROCARBON HYDROCARBON ATOMES 1 TO 30 CARBON ATOMS, M REPRESENTS A METAL OF GROUPS IIA, IB, IIB, IVB TO VIIB, VIII, IVA AND VA OR MORE A METAL M. THE PRODUCTS OF THE INVENTION CAN BE USED AS ADDITIVES FOR LUBRICANTS IN WHICH THEY EXERCISE IN PARTICULAR VERY EFFECTIVE PROTECTION AGAINST WEAR. |