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US 2012/0238480 A1Published application
Additive agent, oil filter and lubricating device for machine
AssigneeToyota Jidosha Kabushiki Kaisha
InventorsIppei Fukutomi, Norio Inami, Kenichi Harada, Motoichi Murakami, Koji Morita, Takahiko Fujiwara
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Abstract
The present invention provides an additive agent to be added to oil and comprising weak basic hydrotalcite. At the time of adding a mixture of hydrotalcite of 1 weight % and water by 3 weight % to the oil where a hydrogen ion exponent is within a range of 6 to 7 for stirring, the weak basic hydrotalcite is hydrotalcite where the obtained oil indicates the hydrogen ion exponent within a range of 6 to 7. Such an additive agent can be accommodated in an oil filter (36) for use.
Claims10
An additive agent to be added to oil, comprising:
- weak basic hydrotalcite.
Dependencies are inferred from the claim text.