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公开(公告)号：US3810837A
公开(公告)日：1974-05-14
申请号：US26683672
申请日：1972-06-27
Applicant: TEXACO INC
Inventor： CHAFETZ H , CHANNING W , MORISSETTE B
IPC: C10M159/22 , C10M1/54
CPC classification number: C10M159/22
Abstract: A METHOD OF PREPARING OVERBASED SULFURIZED ALKYLPHENOLATE OF ANTIOXIDANT PROPERTIES IN HYDROCARBON LUBRICATING OIL COMPRISING FIRST HEATING A MIXTURE OF SULFURIZED NORMAL CALCIUM ALKYLPHENOLATE, CALCIUM OXIDE, ALKANOIC ACID OF FROM 2 TO 3 CARBONS, ALKOXYETHANOL OF THE FORMULA ROCH2CH2OH WHERE R IS ALKYL OF FROM 1 TO 4 CARBONS, AND LUBRICATING OIL AND SUBSEQUENTLY CONTACTING THE HEATED MIXTURE WITH CARBON DIOXIDE.
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