Holographic flake pigment
US5500311A · kind A · utility
8Cited by
13References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1994 |
| Grant date | Mar 19, 1996 |
| Priority date | — |
| Expiry date | Dec 29, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Holographic flake pigments, processes for making the pigments, decorative coatings comprising the pigments, and articles comprising the decorative coatings are disclosed. The pigment comprises particles that (1) comprise an organic polymer and further comprise one or more volume phase holograms; and (2) have a thickness of about 1 micrometer to about 100 micrometers, an average diameter of about 10 micrometers to about 300 micrometers, and a thickness to diameter ratio of about 1:2 to about 1:60.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.