Metal filled concentrate
US6194507A · kind A · utility
4Cited by
18References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 1999 |
| Grant date | Feb 27, 2001 |
| Priority date | — |
| Expiry date | Aug 30, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2003/0812
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a new and improved color concentrate comprising from about 10% to about 30% by weight metal particles component, from about 1% to about 15% by weight colorant material and from about 60% to about 90% by weight thermoplastic polymer. The metal particles component comprises aluminum particles having both a spherical and a lenticular shape. The concentrate can be utilized to color thermoplastic polymers and produce a matte metallic effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.