Closure cap liners having oxygen barrier properties
US6677397B1 · kind B1 · utility
39Cited by
23References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2000 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Aug 14, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Liners with improved oxygen barrier properties for use with closure caps are disclosed. The liners are made of a composition that includes a thermoplastic elastomer, polyisobutylene and polybutylene. The liner is adhered to the inner facing surface of a closure cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.