Plastic multicompartment package for solid and liquid products
US5170886A · kind A · utility
10Cited by
7References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 12, 1991 |
| Grant date | Dec 15, 1992 |
| Priority date | — |
| Expiry date | Nov 12, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S206/823
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A package consisting of a hermetically sealed ensemble in plastic material, under vacuum, intended for containing devices for perfuming or purifying ambient air or closed spaces, said devices having a wall of polymeric material for diffusing active odoriferous substances, the package being characterized in that said devices therein-contained are joined side by side by superposition, under subatmospheric pressure, of the surfaces of their diffusion walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.