Ornamental articles having coating membrane
US4835023A · kind A · utility
26Cited by
10References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1986 |
| Grant date | May 30, 1989 |
| Priority date | — |
| Expiry date | Jul 1, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An ornamental article comprising a natural ornamental material such as pearl and a cured coating membrane of a composition based on organic materials which is coated on the surface of said natural ornamental material in a thickness from 0.01 .mu.m to 30 .mu.m, with improved properties such as surface luster and resistivity to scratch, light, chemicals, etc.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.