Process for the treatment of ground polyolefin material, ground material obtained by this process and use thereof for the production of shaped objects
US6127435A · kind A · utility
2Cited by
0References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1997 |
| Grant date | Oct 3, 2000 |
| Priority date | — |
| Expiry date | May 23, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Process for the treatment of ground polyolefin material originating from scrap dairy product containers with at least one agent chosen from hydrogen peroxide, steam and sodium hydroxide in a quantity which is effective for deodorizing the polyolefin. Ground material obtained by this process and exhibiting an imperceptible level of residual odour of aged milk. Use of the deodorized ground material obtained by this process for the production of shaped objects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.