Process for recovering post-consumer waste plastics
US5566890A · kind A · utility
17Cited by
9References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 1995 |
| Grant date | Oct 22, 1996 |
| Priority date | — |
| Expiry date | Feb 28, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S241/38
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Feed stock is made from an assortment of post-consumer polymer articles by assembling those articles of the assortment which are suitable for recycling into feed stock. The assemblage is granulated into particles of a size suitable for feed stock. A detergent solution of predetermined concentration is formed for cleaning the granulated particles. The solution is added to the particles during the granulating step to mix the detergent solution with the articles to facilitate cleaning during granulating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.