公开(公告)号：US3686243A

公开(公告)日：1972-08-22

申请号：US3686243D

申请日：1970-11-12

Applicant: TEXACO INC

Inventor： RIGDON ORVILLE W ,  EDWARDS ROBERT S ,  POWERS WILLIAM J

IPC: C07F9/165 ,  C07F3/06

CPC classification number: C10M1/08 ,  C07F9/165 ,  C10M2207/281 ,  C10M2207/282 ,  C10M2207/283 ,  C10M2207/286 ,  C10M2207/34 ,  C10M2207/40 ,  C10M2207/402 ,  C10M2207/404 ,  C10M2209/105 ,  C10M2223/045 ,  C10N2210/02

Abstract: A PROCESS FOR PREPARATION OF ZINC DIALKYL DITHIOPHOSPHATES WHICH COMPRISES REACTING, IN A CLOSED SYSTEM, DIALKYLDITHIOPHOSPHORIC ACIDS WITH A BASIC ZINC SALT IN A HEPTANE SLURRY AT TEMPERATURES RANGING FROM ABOUT 180*300*F. AND UNDER AUTOGENOUS PRESSURE CONDITIONS, THE RESULTING ZINC DIALKYLDITHIOPHOSPHATES SERVING AS ANTIOXIDANTS AND AS ANTICORROSION AND ANTIWEAR AGENTS IN A VARIETY OF LUBRICATING OIL COMPOSITIONS.