Growth substrate comprising short transversally extending mineral wool fibres
US5992093A · kind A · utility
8Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 1997 |
| Grant date | Nov 30, 1999 |
| Priority date | — |
| Expiry date | Apr 3, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G24/42
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a growth substrate comprising at least one layer of short transversally extending mineral wool fibers and at least one surface layer of mineral wool fibers, wherein preferably the layer of short transversally extending mineral wool fibers is interposed between two surface layers of mineral wool fibers, or wherein preferably the layer of short transversally extending mineral wool fibers is interposed between two surface layers of horizontally extending mineral wool fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.