Treatment of pigment
US4052223A · kind A · utility
17Cited by
4References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 1976 |
| Grant date | Oct 4, 1977 |
| Priority date | — |
| Expiry date | Aug 3, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2004/84
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for the production of the highly durable titanium dioxide pigment in which the pigment is coated with a phosphate, a silicate and a hydrous oxide of zirconium and aluminium in specified carefully controlled amounts and order of deposition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.