Low refractive index composition comprising fluoropolyether urethane compound
US7575847B2 · kind B2 · utility
30Cited by
15References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 29, 2006 |
| Grant date | Aug 18, 2009 |
| Priority date | — |
| Expiry date | Dec 20, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31971
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Antireflective films and low refractive index compositions are described. The low refractive index layer comprises the reaction product of a composition comprising at least one free-radically polymerizable material having a high fluorine content, and at least one free-radically polymerizable fluoropolyether urethane material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.