Fluoropolymer articles
US7569275B2 · kind B2 · utility
5Cited by
91References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2002 |
| Grant date | Aug 4, 2009 |
| Priority date | — |
| Expiry date | Dec 1, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31544
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention provides an article comprising a first layer comprising a first substantially solid partially-fluorinated thermoplastic polymer, and a second layer comprising a second substantially solid partially-fluorinated thermoplastic polymer, the second layer bonded to the first layer, wherein the first polymer and the second polymer have different compositions. The invention also provides layered articles and processes for preparing layered articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.