Ester fluids with high temperature stability

Details Ester fluids with high temperature stability Ester fluids with high temperature stability

1993-06-01

1994-11-29

Niebling, John

Compositions

X-ray or neutron shield

252 482, 252 484, C10M13500

Patent

active

053687590

ABSTRACT:
An ester-containing reaction product of a carbonyl compound, preferably an acyl halide and a thiodiphenol has high temperature antioxidant properties. The reaction product is useful as a synthetic lubricant base fluid or as an antioxidant additive when used in minor amounts of 0.01 to 10 wt. % in a mineral oil or hydrocracked oil lubricant base fluid. The reaction product can also be used in a fuel.

REFERENCES:
patent: 4181617 (1980-01-01), Elrod et al.
patent: 4211663 (1980-07-01), Braid
patent: 4305832 (1981-12-01), Braid
patent: 4393241 (1983-07-01), Hanson et al.
patent: 4440655 (1984-04-01), Gemmill et al.
patent: 4460486 (1984-07-01), Newkirk
patent: 4906390 (1990-03-01), Horodysky
March, Advanced Organic Chemistry, pp. 346-347 (1985) (no month).

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