CPC Definition - Subclass C10N
Last Updated Version: 2024.01
INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
Definition statement
This place covers:
This subclass constitutes an Indexing Scheme associated with subclass C10M, relating to lubricating compositions:
- metals, as such, or in a compound (indexed according to Groups 1-8 of the Periodic Table) which are present in a lubricating composition;
- the properties of the lubricant composition or constituents thereof;
- the use or application of the lubricant composition;
- the form in which the lubricant composition is applied;
- chemical modification by after-treatment of lubricant constituents;
- special methods of preparation of lubricant compositions;
- special pretreatment of the material to be lubricated.
Relationships with other classification places
All documents indexed in this subclass must also have been classified in subclass C10M.
Synonyms and Keywords
In patent documents, the following words/expressions are often used as synonyms:
- "lubricant" or "lubricating composition" includes cutting oils, hydraulic fluids, metal drawing compositions, flushing oils, or the like.
- "aliphatic" includes "cycloaliphatic".