Dispenser for at least one liquid or pasty product comprising a closure system that allows no ingress of air, and preservation process using the said dispenser
US5360145A · kind A · utility
92Cited by
5References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 28, 1993 |
| Grant date | Nov 1, 1994 |
| Priority date | — |
| Expiry date | Jun 28, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/0029
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Dispenser for cosmetic or pharmaceutical products, including a container and a dispensing head attached to the container. The dispensing head includes a dispensing channel connecting the container to an external dispensing orifice. Part of the dispensing head, which defines the channel, is made of a synthetic polymer material and at least one of an antiseptic agent and an antioxidant agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.