Lubricant Composition
AssigneeNok Klueber Co., Ltd.
InventorsTetsuhiro Miyamoto, Akihiko Shimura, Toshio Nitta, Jiro Yurimoto
Life of this patent
Estimating the term…
Abstract
A lubricant composition which is suitable as a fluorine oil, fluorine grease, and which is excellent in stabilizability, as well as a lubricant composition which is suitable as a fluorine oil, fluorine grease, and which has an excellent rust prevention property while keeping a heat resistance.
Claims8
A lubricant composition comprising a fluorine-containing diamide compound represented by the following Formula (I), and a lubricating oil including a perfluoropolyether oil:
- Y represents an oxygen atom (O), sulfur atom (S), CO group, SO group, or SO2 group;
- k is an integer of 1 to 5;
- m is an integer of 1 to 10;
- and
- n is an integer of 2 or more;
- and wherein substituting positions of two substitutional groups possessed by each phenyl group may be any one of an ortho-position, meta-position, and para-position.
A lubricant composition having an excellent rust prevention property, comprising a fluorine-containing diamide compound represented by the above Formula (I), and a lubricating oil:
- wherein,
- Y represents an oxygen atom (O), sulfur atom (S), CO group, SO group, or SO2 group;
- k is an integer of 1 to 5;
- m is an integer of 1 to 10;
- and
- n is an integer of 1 or more;
- and wherein substituting positions of two substitutional groups possessed by each phenyl group may be any one of an ortho-position, meta-position, and para-position.
Dependencies are inferred from the claim text.