Device for dispensing liquid in the form of drops
US8986266B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2012 |
| Grant date | Mar 24, 2015 |
| Priority date | — |
| Expiry date | Sep 30, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2210/0612
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A device for dispensing liquid including a liquid reservoir which can be deformed so as to dispense liquid by pressing on the reservoir, a liquid-dispensing end piece fitted on the reservoir, a channel for the passage of liquid, a channel for the passage of air from the outside to the inside of the reservoir, the channel for the passage of air being closed off by a member made of an air-permeable polymeric material, this material being non-porous, the member being called the air-permeable member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.