Coating composition and thin film layer for optical parts
US6391433B1 · kind B1 · utility
4Cited by
3References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2001 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Jan 12, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31667
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides optical parts having good impact resistance, good adhesiveness between the substrate and a thin film layer coating formed thereon, good scratch resistance and good antireflection capabilities. The thin film layer coating composition comprises (1) a dithian ring containing sulfur compound and/or a benzene ring containing sulfur compound, and (2) a polyfunctional thiol compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.