Methods and compositions related to pearlescent pigments
US6056815A · kind A · utility
9Cited by
26References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 8, 1999 |
| Grant date | May 2, 2000 |
| Priority date | — |
| Expiry date | Mar 8, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2993
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed herein is a method of producing pearlescent pigments comprised of a platelet substrate and a TiO.sub.2 coating, which has a rutile structure and which does not contain foreign metal species. The method entails the deposition of Ti(III), followed by the deposition of a Ti(IV), onto the platelet substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.