Rust-preventive oil composition
US9102894B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Dec 10, 2009 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Mar 23, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/246
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A rust preventive oil composition comprising a nonionic surfactant with a hydrophilic-lipophilic index of 10-12 at 0.1-10% by mass based on the total amount of the composition, and at least one rust-preventing additive selected from among sarcosine compounds, sulfonic acid salts, esters, amines, carboxylic acids, fatty acid amine salts, carboxylic acid salts, paraffin waxes, oxidized wax salts, alkyl or alkenylsuccinic acid derivatives and boron compounds, the composition having a 40° C. kinematic viscosity of 1-50 mm2/s.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.