Solutions of fluoropolymers in carbon dioxide
US6034170A · kind A · utility
4Cited by
3References
12Claims
0Family size
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Inventors
Key dates
| Filing date | Oct 13, 1998 |
| Grant date | Mar 7, 2000 |
| Priority date | — |
| Expiry date | Oct 13, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/942
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Fluoropolymers containing a specified ratio of hydrogen to fluorine atoms attached to polymer backbone atoms dissolve in carbon dioxide under relatively mild conditions of temperature and pressure. The resulting solutions may be used for coatings or encapsulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.