Lyotropic liquid crystal metalworking lubricant composition

Details Lyotropic liquid crystal metalworking lubricant composition Lyotropic liquid crystal metalworking lubricant composition

1987-05-21

1988-11-01

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

C10M17300

Patent

active

047818492

ABSTRACT:
A metalworking lubricant comprising about 1-20 wt % natural or synthetic oil; about 0.5-30 wt % of a water-soluble surfactant, preferably a nonionic surfactant; about 1-20 wt % of an organic cosurfactant, preferably 1,2-octanediol; and about 50-97.5 wt % water containing less than about 1 wt % dissolved inorganic salts. The lubricant is preferably a lyotropic liquid crystal.

REFERENCES:
patent: 2606874 (1952-08-01), Garner et al.
patent: 3296129 (1967-01-01), Scheidker et al.
patent: 3649538 (1972-03-01), Hatten
patent: 3928215 (1975-12-01), Dreher et al.
patent: 4337161 (1982-06-01), Stayner
patent: 4371447 (1983-02-01), Webb et al.
patent: 4654155 (1987-03-01), Kipp et al.
"PTO Practice: `Same Invention` Double Patenting", 69 JPOS 219-223, Examiner-in-Chief Alton D. Rollins.

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