BiOCl pigment
US6582507B1 · kind B1 · utility
4Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2002 |
| Grant date | Jun 24, 2003 |
| Priority date | — |
| Expiry date | Aug 19, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09C2200/505
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A bismuth oxychloride effect pigment has a zinc oxide or microfine titanium dioxide particulate at about the surface of the crystals of the bismuth oxychloride. The pigment is prepared by, for instance, growing the bismuth oxychloride crystals, and adding the particulate before the hydrolysis is complete.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.