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US 12,054,691 B2Granted
Polyurea lubricating greases containing carbonates, and their use
AssigneeFuchs SE
InventorsHans Jürgen Erkel, Olaf Binkle, Torsten Goerz
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Abstract
The invention relates to polyurea lubricating grease compositions containing polyurea thickeners and at least one organic carbonate, to lubrication points or components containing the polyurea lubricating grease composition, to a seal comprising sealing material from fluorinated elastomers and to the use of the lubricating greases.
Claims23
A polyurea grease composition comprising:
- a) at least one base oil;
- b) at least one polyurea thickener;
- and
- c) at least one organic carbonate, wherein the organic carbonate comprises 4 to 8 carbon atoms,
- wherein the composition comprises:
- a) 55 to 95% by weight of the base oil;
- b) 1 to 20% by weight of the polyurea thickener;
- c) 0.1 to 10% by weight of the organic carbonate and
- d) 0.5 to 10% by weight additives.
6 more elements
Dependencies are inferred from the claim text.