Black food containers
US7306836B2 · kind B2 · utility
0Cited by
7References
28Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 2, 2003 |
| Grant date | Dec 11, 2007 |
| Priority date | — |
| Expiry date | Feb 4, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31855
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A black pigmented disposable food container is preferably made from a polypropylene matrix polymer, optionally including polyethylene and further includes a mineral filler and a black colorant composition consisting essentially of a black iron oxide pigment and a green pigment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.