公开(公告)号：US3770854A

公开(公告)日：1973-11-06

申请号：US3770854D

申请日：1971-03-23

Applicant: EXXON RESEARCH ENGINEERING CO

Inventor： BROOKES R ,  MORRIS A ,  COLCLOUGH T

IPC: C07F9/165 ,  C07F9/6571 ,  C07F9/6578 ,  C10L1/26 ,  C10M137/10 ,  C07D105/04 ,  C07F9/16

CPC classification number: C10L1/265 ,  C07F9/1658 ,  C07F9/657127 ,  C07F9/6578 ,  C10M137/105 ,  C10M2203/00 ,  C10M2203/10 ,  C10M2203/102 ,  C10M2203/108 ,  C10M2207/282 ,  C10M2207/304 ,  C10M2207/34 ,  C10M2207/40 ,  C10M2207/402 ,  C10M2207/404 ,  C10M2209/086 ,  C10M2209/112 ,  C10M2219/044 ,  C10M2223/047 ,  C10N2260/04

Abstract: PHOSPHOROTHIONYL DISULPHIDES USEFUL AS ASHLESS LUBRICATING OIL ADDITIVES (ANTIOXIDANT, ANTI-WEAR AND EXTREME PRESSURE ADDITIVES) ARE PREPARED BY REACTING A THIOPHOSPHORIC ACID WITH AN ORGANIC COMPOUND CONTAINING THE GROUP >S=O (E.G. A SULPHOXIDE) PREFERABLY AT A TEMPERATURE LOWER THAN 140*C.