Container sealing means for air and moisture sensitive materials
US4867312A · kind A · utility
9Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1988 |
| Grant date | Sep 19, 1989 |
| Priority date | — |
| Expiry date | Oct 17, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D53/06
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Drums of moisture or air sensitive materials are protected by placing on the exposed surface of the material, a layer of a fluid second material that is essentially impervious to air and moisture and is neither soluble nor miscible in the material being protected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.