Spirooxindole-copper complex as novel efficient anticorrosion agent for C-steel
US11840545B1 · kind B1 · utility
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16Claims
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Key dates
| Filing date | Jul 14, 2023 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Jul 14, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F1/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New spirooxindole compounds are described herein, as well as the use of such spirooxindole compounds in forming copper complexes that act as efficient anticorrosion agents for C-steel. Also described are methods for forming the new spirooxindole compounds as well as anti-corrosion coatings containing the spirooxindole-copper complexes, CuL.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.