Aqueous colorant system for incorporation into plastics
US6649122B1 · kind B1 · utility
5Cited by
17References
5Claims
0Family size
Inventors
Key dates
| Filing date | Apr 7, 2000 |
| Grant date | Nov 18, 2003 |
| Priority date | — |
| Expiry date | Apr 7, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/005
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A liquid colorant system for plastics comprising from about 10 percent to about 80 percent by weight colorant; from about 0.5 percent to about 30 percent dispersant; and, from about 25 percent to about 90 percent water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.