Comparison sample for simulating an appearance of a keratinous element, and related methods
US6724480B2 · kind B2 · utility
4Cited by
7References
157Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2001 |
| Grant date | Apr 20, 2004 |
| Priority date | — |
| Expiry date | Feb 16, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N21/293
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system comprising a plurality of comparison samples configured to substantially simulate the appearance of a keratinous element. Each comparison sample may be configured to substantially simulate both a color and an appearance characteristic other than color of the keratinous element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.