Process for the manufacture of a mineral wool plant growth substrate
US6562267B1 · kind B1 · utility
57Cited by
10References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 15, 2000 |
| Grant date | May 13, 2003 |
| Priority date | — |
| Expiry date | Sep 15, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G24/42
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a process for the manufacture of mineral wool plant growth substrate having a coherent hydrophilic matrix of mineral wool fibres connected by cured binder, comprising the steps of: providing mineral wool fibres; applying to the mineral wool fibres as a binder a phenol-formaldehyde resin and a furan resin; forming a matrix of the mineral wool fibres; and curing the binder and to the obtainable mineral wool plant growth substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.