Cement-free porous substrate for plant germination and growth made of alkali-activated pozzolans
US11365152B2 · kind B2 · utility
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1References
15Claims
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Key dates
| Filing date | Nov 6, 2017 |
| Grant date | Jun 21, 2022 |
| Priority date | — |
| Expiry date | May 13, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01G24/44
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention concerns a Portland cement-free porous rigid mineral substrate made of alkali-activated pozzolans, a method for preparing the same, and use of said substrate to optimize plant germination and growth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.