Coating film, composition for coating film, film-forming agent, article having coating film, and method for forming coating film
US10767057B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Feb 24, 2017 |
| Grant date | Sep 8, 2020 |
| Priority date | — |
| Expiry date | Mar 8, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/265
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A coating film exhibiting excellent water and oil repellency is provided. The coating film comprises (a) calcium carbonate having an average particle diameter of 600-9,000 nm, (b) poly(vinyl alcohol), and (c) a copolymer including constituent units of a monomer having a C6 or lower perfluoroalkyl group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.