Carpet reclamation process
US6379489B1 · kind B1 · utility
9Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 1997 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Jan 8, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1116
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for the reclamation of base materials from carpet is disclosed. The process includes contacting the carpet with a composition which contains a chemical softening agent for the binder material in the carpet and separating the carpet pile from the carpet backing(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.