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US 11,220,652 B2Granted
Method for inspecting lubricating oil composition and method for producing lubricating oil composition
AssigneeShowa Denko K.K.
InventorsRyuji Monden, Yu Gao, Masumi Kuritani, Kunio Kondo
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Abstract
A method for inspecting a lubricant oil composition containing a base oil and a fullerene, the method including: measuring at least one of a lamellar length of the lubricating oil composition and a most abundant diameter in a particle size distribution obtained by a dynamic light scattering method, and selecting the lubricating oil composition whose measured value is within a set range.
Claims8
A method for inspecting a lubricant oil composition containing a base oil and a fullerene, the method comprising:
- measuring at least one of a lamellar length of said lubricating oil composition and a most abundant diameter in a particle size distribution obtained by a dynamic light scattering method;
- and
- selecting said lubricating oil composition whose measured value is within a set range.
Dependencies are inferred from the claim text.