Sterilizable PVC-free closures
US10189610B2 · kind B2 · utility
1Cited by
5References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 11, 2011 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | Apr 27, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2200/0642
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to compositions (compounds) which can be used as seal material in vessel caps under sterilization conditions. More specifically, the invention relates to such compositions that are suitable for vessel caps or vacuum caps that can be unscrewed, such as cam screw caps and in particular Press-on/Twist-off® caps, and that demonstrate a reduced migration of undesirable substances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.