Pearlescent pigment for exterior use
US5759255A · kind A · utility
99Cited by
8References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1997 |
| Grant date | Jun 2, 1998 |
| Priority date | — |
| Expiry date | Feb 4, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/80
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A pearlescent pigment having improved humidity resistance and weatherability is realized by a metal oxide-coated mica pearlescent pigment which has an aluminum or an aluminum-cerium combined with a hydrolyzed silane coupling agent treated surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.