Seal for a dispensing apparatus
US8110633B2 · kind B2 · utility
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29Claims
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Assignee
Inventor
Key dates
| Filing date | Sep 4, 2007 |
| Grant date | Feb 7, 2012 |
| Priority date | — |
| Expiry date | Dec 1, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L23/0815
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A seal for a valve for use in a pharmaceutical dispensing device, which seal is formed from a blend comprising: a thermoplastic elastomer including a propylene component with isotactic crystallinity; and a polymer selected from one or more of polypropylene, polyethylene and copolymers thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.