Process and mixture for applying a coating made of the precious stone lapis lazuli on a substrate and substrate thus produced
US5747168A · kind A · utility
3Cited by
5References
12Claims
0Family size
Inventor
Key dates
| Filing date | May 9, 1995 |
| Grant date | May 5, 1998 |
| Priority date | — |
| Expiry date | May 9, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31786
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The presently claimed process for applying a coating to a substrate and coating composition comprises coating on the substrate the composition comprising a mixture of the precious stone pigment lapis lazuli having a grain size of from 5 to 90 microns with a colorless vehicle comprising a lacquer system in an amount effective to encapsulate the stone pigment, the mixture also comprising a pyrite or pulverised material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.