Multimodal polyethylene for use in single piece beverage bottle caps and closures
US7592395B2 · kind B2 · utility
14Cited by
11References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 1, 2006 |
| Grant date | Sep 22, 2009 |
| Priority date | — |
| Expiry date | Nov 16, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2314/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to single piece beverage bottle caps containing and/or made from polyethylene polymers, polymer blends, and/or resins. These polymers/blends/resins have a multimodal molecular weight distribution, sufficient physico-chemical characteristics, and superior environmental stress cracking resistance, so as to be ideally suited for articles and applications such as caps and closures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.