High ESCR glossy plastic containers
US7514130B2 · kind B2 · utility
1Cited by
14References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 26, 2002 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | Dec 25, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1393
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Plastic containers including two or more layers wherein the external or the internal layer formed of of a metallocene-produced medium density polyethylene resin, said plastic container respectively an external or internal gloss of at least 40 and an environmental stress crack resistance, as measured by the time to rupture of at least 30 days.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.