Fluorinated PVC copolymer compositions for increased ultraviolet protection
US11945890B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Mar 23, 2022 |
| Grant date | Apr 2, 2024 |
| Priority date | — |
| Expiry date | Mar 23, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Fluorinated compositions include a fluorinated copolymer formed from a fluorine-containing monomer and vinyl chloride, the fluorine-containing monomer in an amount of from 0.5 weight % to 10.0 weight % based on a combined weight % of fluorine-containing monomer and vinyl chloride. Methods of making a fluorinated copolymer are further provided. Ultraviolet-protective films formed from a mixture including a fluorinated copolymer are further provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.