Compositions – Heat-exchange – low-freezing or pour point – or high boiling... – Organic components
Patent
1983-09-16
1985-05-28
Lieberman, Paul
Compositions
Heat-exchange, low-freezing or pour point, or high boiling...
Organic components
252 56D, 252 56S, 252 77, 252 781, 252 785, 252 79, 585 10, 585255, C10M 312, C10M 320, C07C 274
Patent
active
045199329
ABSTRACT:
Useful hydraulic fluids having low temperature properties comparable to MIL-H-5606 fluids but exhibiting markedly superior fire resistance due to their higher flash points are obtained by blending a two centistoke synthetic hydrocarbon oil obtained from the oligomerization of alpha-olefins with a mono- or diester and polymethacrylate viscosity index improver. The fluids of this invention typically have -65.degree. F. viscosities less than 3000 centistokes, 210.degree. F. viscosities of 3.45 or above, and flash points above 320.degree. F. and are readily formulated with conventional additives.
REFERENCES:
patent: 3629114 (1971-12-01), Fairing
patent: 3763244 (1973-10-01), Shubkin
patent: 3791976 (1974-02-01), Messina et al.
patent: 4032591 (1977-06-01), Cupples et al.
patent: 4144183 (1979-03-01), Koch et al.
Smalheer et al., Lubricant Additives, Cleveland, The Lezius-Hiles Co., 1967, p. 7.
Beimesch Bruce J.
Schnur Nicholas E.
Baracka Gerald A.
Lieberman Paul
National Distillers and Chemical Corporation
Tremain Kenneth D.
Wax Robert A.
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