Water-soluble metal processing oil composition
US11760955B2 · kind B2 · utility
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4References
15Claims
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Key dates
| Filing date | Mar 25, 2020 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Mar 25, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a water-soluble metalworking oil composition, including: 5.0 to 20.0 mass % of a sulfur compound (A) that is one or more kinds selected from the group consisting of a sulfurized fat and oil and a sulfurized ester and has a kinematic viscosity of 10 to 800 mm2/s at 40° C.; 0.5 to 20.0 mass % of the nonionic surfactant (B) having an HLB of 6 to 18; 7.0 to 30.0 mass % of an unsaturated fatty acid polymer (C); and an amine compound (D) selected from the group consisting of a tertiary amine and a secondary amine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.