Method for processing residue-containing packages
US5814674A · kind A · utility
1Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1996 |
| Grant date | Sep 29, 1998 |
| Priority date | — |
| Expiry date | Sep 3, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S422/901
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method is disclosed for processing residue-containing packages so as to receive valuable materials, in particular pressure containers for dispensing foams with propellant gases. For that purpose, extraction with a solvent is carried out essentially in atmosphere of propellant gas and/or solvent vapors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.