Method of preparing paperboard food and beverage containers for recycling
US5315923A · kind A · utility
8Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 14, 1992 |
| Grant date | May 31, 1994 |
| Priority date | — |
| Expiry date | Sep 14, 2012 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB09B2101/02
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
An apparatus for and method of preparing discarded food and beverage packagings for recycling. A moisture absorbent powder is added to the packagings prior to shipment to a recycling facility. The present invention may further include an apparatus for breaking open paperboard packages and then treating the open packages with a chemical additive such as baking soda to reduce microbial activity caused by leftover contents within the discarded packages. The packages may then be compressed and sent to a recycling facility.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.