Optical elements comprising a fluorinated surface treatment comprising urethane, ester or phosphate linkages
US6582759B1 · kind B1 · utility
12Cited by
21References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2002 |
| Grant date | Jun 24, 2003 |
| Priority date | — |
| Expiry date | Apr 26, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to optical elements comprising fluorochemical surface treatments. The invention further relates to materials such as retroreflective sheetings, pavement markings and beaded projection screens comprising a binder and the surface treated optical elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.