Titanium dioxide pigment and process for producing same
US4405376A · kind A · utility
15Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1981 |
| Grant date | Sep 20, 1983 |
| Priority date | — |
| Expiry date | Nov 16, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention provides a titanium dioxide pigment improved in durability and dispersibility which a comprises pigmentary titanium dioxide core particle, an inner coating of hydrous oxides of tin and zirconium and an outer coating of hydrous oxide of aluminum, and a process for producing said titanium dioxide pigment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.