Chlorine-free silver protective lubricant composition (III)

Details Chlorine-free silver protective lubricant composition (III) Chlorine-free silver protective lubricant composition (III)

1987-09-30

1989-07-18

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

252 30, 252 482, 252 486, C10M10572, C10M10508

Patent

active

048491187

ABSTRACT:
Silver protective lubricant compositions essentially free of chlorine and zinc-containing compounds comprise a 1,3,4-thiadiazole, an overbased detergent and an ashless dispersant. The invention is also directed to a method of silver protection in engines which utilizes the above lubricant composition.

REFERENCES:
patent: 2719125 (1955-09-01), Roberts
patent: 2749311 (1956-06-01), Sabol
patent: 2764547 (1956-09-01), Fields
patent: 3775321 (1973-11-01), Turnquest
patent: 3909420 (1975-09-01), Turnquest
patent: 3966623 (1976-06-01), Krug
patent: 3969235 (1976-07-01), Sung et al.
patent: 4136043 (1979-01-01), Davis
patent: 4171269 (1979-10-01), Zoleski
patent: 4609480 (1986-09-01), Hata

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