Perfluoropolyether urethane additives having (meth)acryl groups and hard coats
US8729211B2 · kind B2 · utility
17Cited by
44References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 2013 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Jun 3, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31551
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Fluorocarbon- and urethane-(meth)acryl-containing additives and hardcoats. The hardcoats are particularly useful as a surface layer on an optical device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.