DI forming water-based collant of laminated metal sheet and method for DI forming laminated metal sheet
US8962538B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | May 26, 2009 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Oct 18, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A DI forming water-based coolant of a laminated metal sheet includes at least one kind of base (a) selected from alkanolamines and alkali metal hydroxides, a fatty acid (b), and water (c), wherein the total content of the base (a) and the fatty acid (b) is 0.02 to 4% by mass and the ratio of a straight-chain fatty acid having a carbon number of 6 to 12 in the fatty acid (b) is 80 to 100% by mass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.