Method for washing plastic returnable beverage bottles with alkaline solution and ultrasonic energy
US5858105A · kind A · utility
2Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 1996 |
| Grant date | Jan 12, 1999 |
| Priority date | — |
| Expiry date | Nov 21, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B9/28
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention relates to a method for cleaning returnable beverage bottles, particularly plastic bottles comprising the following steps: pre-treating the bottles with a concentrated cleaning formulation comprising more than about 0.5% by weight of an alkaline agent, followed by removing the cleaning formulation and soil in one or more subsequent stages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.