Biodegradable lubricant
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United States of America Patent
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Jan 3, 1995
Grant Date -
N/A
app pub date -
Jun 28, 1993
filing date -
Jun 28, 1993
priority date (Note) -
Expired
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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.
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