Thermochromic artificial nail
US4920991A · kind A · utility
54Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1988 |
| Grant date | May 1, 1990 |
| Priority date | — |
| Expiry date | Nov 21, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/913
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Disclosed is a thermochromic artificial nail comprising an artificial nail having provided thereon a thermochromic layer, which comprises a thermochromic material changeable in visible external color in response to a change in temperature, wherein said thermochromic layer has a thickness of at least 1 .mu.m.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.