Syringe
US7648487B2 · kind B2 · utility
8Cited by
11References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2005 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Jun 7, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2040/50
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A syringe coated with a lubricant containing a silicone oil and a fine silica powder on the inner surface of the barrel of the syringe can be used for injection of a surface-active drug solution without oil droplet formation on the inner surface while preventing an increase of the gasket sliding friction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.