Method of forming anti-rust or anti-bacterial film containing tannic acid derivatives
US10538674B2 · kind B2 · utility
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3References
15Claims
0Family size
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Key dates
| Filing date | May 4, 2018 |
| Grant date | Jan 21, 2020 |
| Priority date | — |
| Expiry date | May 4, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05D2401/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of forming anti-rust or anti-bacterial film includes mixing a predetermined liquid and a film-forming composition which contains a tannic acid derivative in which hydrogen atoms in at least 10% of hydroxyl groups of tannic acid are substituted by a chain hydrocarbon group having 10 to 16 carbon atoms, and removing the liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.