Biodegradable lubricant

Details Biodegradable lubricant Biodegradable lubricant

1993-06-28

1995-01-03

Willis, Jr., Prince

Fuel and related compositions

Liquid fuels

Containing organic -c

44389, 252 56S, 252 56R, C10L 102, C10M10532

Patent

active

053782496

ABSTRACT:
A biodegradable two-cycle engine oil composition comprises about (a) 20 to 85 wt. % of a heavy ester or a mixture of heavy ester oils characterized by a kinematic viscosity of at least about 7.0 cSt at 100.degree. C., (b) 10 to 85 wt. % of a light ester oil or a mixture of light ester oils characterized by a kinematic viscosity of less than about 6.0 cSt at 100.degree. C., and optionally an additive, wherein the composition has a biodegradability of at least about 66% as measured by the CEC L-33-T-82 method.

REFERENCES:
patent: 2757139 (1956-07-01), Matuszak et al.
patent: 4402841 (1983-09-01), Schieman
patent: 4601840 (1986-07-01), Zehler et al.
patent: 4994196 (1991-02-01), Mineo et al.
Kenbeek et al. "High Performance Ester-Based Two-Stroke Engine Oil", J. Synth. Lubr., vol. 8 (1991) pp. 83-101.
"Henkel Develops Biodegradable Engine Oil", Lubication Engineering, (Feb. 1993) p. 88.
"Two Cycle Lubricants", Henkel publication, (Apr. 1991) 4 pages.
"Biodegradable Lubricants", Unichema International publication, 26 pages year and month unknown.
"High Performance Ester Based Two-Stroke Oils", Unichema International publication, (Feb. 1990) 18 pages.
Kenbeek, D. et al. "High-Performance Ester-Based Two-Stroke Engine Oil", J. Synth. Lubr., vol. 8, (1991) pp. 83-101 month unknown.
Randles, S. J. et al. "Environmentally Considerate Lubricants for the Automotive and Engineering Industries", Spec. Publ.-R. Soc. Chem., 93 (Chem. Automot. Ind.), (1991) pp. 165-178 month unknown.
Kenbeek, D. et al. "Development of High Dilution, Low Pollution Outboard Oils", J. Syntyh. Lubr., vol. 5, (1988) pp. 215-226 month unknown.
Versino, C. et al. "Biodegradability Test for Synthetic Esters", J. Synth. Lubr, vol. 4, (1987) pp. 3-23 month unknown.
van der Waal, G. "Priolube 3999: Synthetic Base Fluid for Outboard 2-Stroke Engine Lubricants", Unichema International publication, (Feb. 1987) 11 pages.

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