Alkoxyacrylamide photochromic coatings compositions and photochromic articles
US6060001A · kind A · utility
111Cited by
9References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1998 |
| Grant date | May 9, 2000 |
| Priority date | — |
| Expiry date | Dec 14, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31895
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Described are articles having an alkoxyacrylamide photochromic coating. The coatings exhibit a Fischer microhardness of from 50 to 130 Newtons per mm.sup.2 and desirable photochromic properties, i.e., the formation of darker activated colors and faster rates of photochromic activation and fade when irradiated with ultraviolet light. Also described are alkoxyacrylamide photochromic articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.