Title:
VISCOSITYINDEX IMPROVING ADDITIVE FOR LUBRICATING OILS
Document Type and Number:
Japanese Patent JPS53121806
Kind Code:
A
Abstract:
The color and viscosity stability of copolymeric alpha -olefin viscosity index improvers and of oils containing same are improved by the incorporation therein of minor amounts of N,N'-bis(2-hydroxy-5-alkylbenzyl) alpha - OMEGA -diaminoethane wherein the alkyl group is a C4 to C30 alkyl group and the basic metal salts thereof.
Inventors:
JIEIMUSU OO UOORUDOBIRITSUGU
KARUMEN EMU KIYUZAANO
DEEBITSUDO DEII RIIDO
RICHIYAADO ERU UINSUTETSUDO
KARUMEN EMU KIYUZAANO
DEEBITSUDO DEII RIIDO
RICHIYAADO ERU UINSUTETSUDO
Application Number:
JP3180078A
Publication Date:
October 24, 1978
Filing Date:
March 22, 1978
Export Citation:
Assignee:
TEXACO DEVELOPMENT CORP
International Classes:
C10M161/00; C10M163/00; C10N30/00; C10N30/02; (IPC1-7): C10M1/32; C10M3/26