Process for making metallic leafing pigments
US4321087A · kind A · utility
82Cited by
12References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 29, 1980 |
| Grant date | Mar 23, 1982 |
| Priority date | — |
| Expiry date | Feb 29, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/61
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A continuous process for preparing finely divided thin, bright metal particles which comprises applying a release coating to at least one side of a carrier sheet, depositing a metal film of from 350 to 450 angstroms thickness onto the release coating solubilizing the release coating, removing the metal film from the carrier sheet, and breaking the thin metal film into particles having a diameter of between 25 to 50 microns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.